Gen.Variant.Kazy.77730_a942bf4bc4

by malwarelabrobot on July 12th, 2017 in Malware Descriptions.

Gen:Variant.Kazy.77730 (BitDefender), PWS:Win32/Zbot (Microsoft), HEUR:Trojan.Win32.Generic (Kaspersky), Trojan.Win32.Generic.pak!cobra (VIPRE), Trojan.SMSSend.2363 (DrWeb), Gen:Variant.Kazy.77730 (B) (Emsisoft), PWS-Zbot.gen.ael (McAfee), Packed.Generic.382 (Symantec), Trojan-Spy.Win32.Zbot (Ikarus), Gen:Variant.Kazy.77730 (FSecure), Win32:Susn-AU [Trj] (AVG), Win32:Susn-AU [Trj] (Avast), TSPY_ZBOT.SMAR (TrendMicro), Gen:Variant.Kazy.77730 (AdAware), Trojan-PSW.Win32.Zbot.6.FD, GenericInjector.YR, BackdoorCaphaw_QKKBAL.YR, TrojanPSWZbot.YR, BankerGeneric.YR (Lavasoft MAS)
Behaviour: Trojan-Spy, Trojan-PSW, Banker, Trojan, Backdoor, Packed


The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

Requires JavaScript enabled!

Summary
Dynamic Analysis
Static Analysis
Network Activity
Map
Strings from Dumps
Removals

MD5: a942bf4bc453fd6d2b81dfab8a631235
SHA1: 76f12eab2354377e16ea08deab028582c16aa4ca
SHA256: 33ca689b95df6bc6b5b16eefa807e3236a7a0a6a94b415941852c1725a02ac62
SSDeep: 3072:zLU0Z0VEvklI 8uxA9t4G67zHKi5Zc1XtbVcdDCIZjISI 4as9j:zLUWYEvkC 8ua9t4G6n9ZqR0DCccOoj
Size: 198657 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 1992-06-20 01:22:17
Analyzed on: Windows7 SP1 32-bit


Summary:

Trojan-Spy. Spy program intended for stealing user's confidential data.

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

%original file name%.exe:1704

The Trojan injects its code into the following process(es):

taskhost.exe:872
Dwm.exe:1376
Explorer.EXE:1440
conhost.exe:1648
TPAutoConnect.exe:2160
conhost.exe:2168

Mutexes

The following mutexes were created/opened:
No objects were found.

File activity

The process %original file name%.exe:1704 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Roaming\Ahycm\socoe.exe (398 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\tmp09a0e988.bat (179 bytes)

Registry activity

The process %original file name%.exe:1704 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKCU\Software\Microsoft\Piveke]
"Yzoteqd" = "C2 B5 67 CD 3B A5 59 45 78 29 57 12 57 00 27 DD"

Dropped PE files

MD5 File path
cb36eab96439463ff527b111f40223ec c:\Users\"%CurrentUserName%"\AppData\Roaming\Ahycm\socoe.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

The Trojan installs the following user-mode hooks in WININET.dll:

HttpSendRequestExA
HttpSendRequestA
HttpSendRequestW
HttpSendRequestExW
InternetReadFileExA
InternetQueryDataAvailable
InternetReadFile
HttpQueryInfoA
InternetCloseHandle

The Trojan installs the following user-mode hooks in CRYPT32.dll:

PFXImportCertStore

The Trojan installs the following user-mode hooks in USER32.dll:

SetCursorPos
ReleaseCapture
SetCapture
GetMessagePos
DefDlgProcW
CallWindowProcA
DefMDIChildProcA
DefFrameProcA
GetUpdateRgn
DefFrameProcW
DefMDIChildProcW
DefDlgProcA
GetClipboardData
GetMessageW
TranslateMessage
PeekMessageW
EndPaint
BeginPaint
GetDC
ReleaseDC
DefWindowProcW
GetWindowDC
GetDCEx
CallWindowProcW
PeekMessageA
GetMessageA
RegisterClassExW
RegisterClassW
RegisterClassA
DefWindowProcA
GetUpdateRect
GetCursorPos
GetCapture
RegisterClassExA
OpenInputDesktop
SwitchDesktop

The Trojan installs the following user-mode hooks in WS2_32.dll:

send
WSASend
closesocket

The Trojan installs the following user-mode hooks in kernel32.dll:

GetFileAttributesExW

The Trojan installs the following user-mode hooks in ntdll.dll:

LdrLoadDll
ZwCreateUserProcess

Propagation

VersionInfo

No information is available.

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
CODE 4096 179116 179200 4.59042 5d9d74a1cba4c41a4698f4c3d1e9e560
DATA 184320 8540 8704 1.9383 8a8bc0c7e60e5e4d0a8b4c0e489cea91
BSS 196608 844 0 0 d41d8cd98f00b204e9800998ecf8427e
.idata 200704 1786 2048 3.05862 8f286517e664fda29b3a0473c52c7c7a
.reloc 204800 4252 4608 4.57997 3fac693d752bece86188eb1d6658ab42
.rsrc 212992 4096 2560 1.81701 f782c6748d6eec868aadf837cb418cc8

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

URLs

No activity has been detected.

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Web Traffic was not found.

The Trojan connects to the servers at the folowing location(s):

taskhost.exe_872_rwx_00580000_00028000:

.text
`.data
.reloc
!timeout=%s&value=%s
gdiplus.dll
GdiplusShutdown
ole32.dll
gdi32.dll
PR_OpenTCPSocket
hXXp://VVV.google.com/webhp
HTTP/1.1
hXXp://
hXXps://
HTTP/1.
RapportUtil
echo "Press any key to run Internet Explorer (32-bit OS)."
"%PROGRAMFILES%\Internet Explorer\iexplore.exe" hXXps://bankieren.rabobank.nl/klanten
echo "Press any key to run Internet Explorer (64-bit OS)."
"%PROGRAMFILES(X86)%\Internet Explorer\iexplore.exe" hXXps://bankieren.rabobank.nl/klanten
.info
userenv.dll
del "%s"
if exist "%s" goto d
del /F "%s"
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)
HTTP/1.0
urlmon.dll
cabinet.dll
%> 0!}40*
<7!="?):
"?5&"5%3%5
%sX-ID: %u=%s=%s
X-ID: %u=%s=%s
HTTP/1.1 200 OK
Content-Length: %u
GetProcessHeap
KERNEL32.dll
ExitWindowsEx
GetKeyboardState
MapVirtualKeyW
OpenWindowStationW
GetProcessWindowStation
CreateWindowStationW
CloseWindowStation
SetProcessWindowStation
SetKeyboardState
MsgWaitForMultipleObjects
USER32.dll
RegOpenKeyExW
RegEnumKeyExW
RegCloseKey
RegCreateKeyExW
ADVAPI32.dll
PathIsURLW
UrlUnescapeA
SHDeleteKeyW
SHLWAPI.dll
ShellExecuteW
SHELL32.dll
Secur32.dll
SetViewportOrgEx
GDI32.dll
WS2_32.dll
PFXImportCertStore
CertDeleteCertificateFromStore
CertOpenSystemStoreW
CertCloseStore
CertEnumCertificatesInStore
CertDuplicateCertificateContext
PFXExportCertStoreEx
CRYPT32.dll
HttpSendRequestExA
HttpQueryInfoA
HttpSendRequestExW
HttpSendRequestW
HttpSendRequestA
InternetCrackUrlA
HttpOpenRequestA
HttpAddRequestHeadersA
GetUrlCacheEntryInfoW
HttpAddRequestHeadersW
WININET.dll
OLEAUT32.dll
NETAPI32.dll
11%2=2H3g3n3{3
4W5S5Z5w5
nspr4.dll
e.dat
cGlobal\XXX
SysShadow
kernel32.dll
"%s" %s
/c "%s"
%sx.%s
%sx
C:\Users\"%CurrentUserName%"\AppData\Roaming\Ixikap\ysyxm.pup
C:\Users\"%CurrentUserName%"\AppData\Roaming\Ixikap
ysyxm.pup
C:\Users\"%CurrentUserName%"\AppData\Roaming
{02106CE3-BC8D-83FE-1B40-3488A5272D7D}
Global\{946BDEC6-0EA8-1585-1B40-3488A5272D7D}

Dwm.exe_1376_rwx_00110000_00028000:

.text
`.data
.reloc
!timeout=%s&value=%s
gdiplus.dll
GdiplusShutdown
ole32.dll
gdi32.dll
PR_OpenTCPSocket
hXXp://VVV.google.com/webhp
HTTP/1.1
hXXp://
hXXps://
HTTP/1.
RapportUtil
echo "Press any key to run Internet Explorer (32-bit OS)."
"%PROGRAMFILES%\Internet Explorer\iexplore.exe" hXXps://bankieren.rabobank.nl/klanten
echo "Press any key to run Internet Explorer (64-bit OS)."
"%PROGRAMFILES(X86)%\Internet Explorer\iexplore.exe" hXXps://bankieren.rabobank.nl/klanten
.info
userenv.dll
del "%s"
if exist "%s" goto d
del /F "%s"
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)
HTTP/1.0
urlmon.dll
cabinet.dll
%> 0!}40*
<7!="?):
"?5&"5%3%5
%sX-ID: %u=%s=%s
X-ID: %u=%s=%s
HTTP/1.1 200 OK
Content-Length: %u
GetProcessHeap
KERNEL32.dll
ExitWindowsEx
GetKeyboardState
MapVirtualKeyW
OpenWindowStationW
GetProcessWindowStation
CreateWindowStationW
CloseWindowStation
SetProcessWindowStation
SetKeyboardState
MsgWaitForMultipleObjects
USER32.dll
RegOpenKeyExW
RegEnumKeyExW
RegCloseKey
RegCreateKeyExW
ADVAPI32.dll
PathIsURLW
UrlUnescapeA
SHDeleteKeyW
SHLWAPI.dll
ShellExecuteW
SHELL32.dll
Secur32.dll
SetViewportOrgEx
GDI32.dll
WS2_32.dll
PFXImportCertStore
CertDeleteCertificateFromStore
CertOpenSystemStoreW
CertCloseStore
CertEnumCertificatesInStore
CertDuplicateCertificateContext
PFXExportCertStoreEx
CRYPT32.dll
HttpSendRequestExA
HttpQueryInfoA
HttpSendRequestExW
HttpSendRequestW
HttpSendRequestA
InternetCrackUrlA
HttpOpenRequestA
HttpAddRequestHeadersA
GetUrlCacheEntryInfoW
HttpAddRequestHeadersW
WININET.dll
OLEAUT32.dll
NETAPI32.dll
11%2=2H3g3n3{3
4W5S5Z5w5
nspr4.dll
e.dat
cGlobal\XXX
SysShadow
kernel32.dll
"%s" %s
/c "%s"
%sx.%s
%sx
C:\Users\"%CurrentUserName%"\AppData\Roaming
{02106CE3-BC8D-83FE-1B40-3488A5272D7D}
Global\{946BDEC6-0EA8-1585-1B40-3488A5272D7D}

Explorer.EXE_1440_rwx_020D0000_00028000:

.text
`.data
.reloc
!timeout=%s&value=%s
gdiplus.dll
GdiplusShutdown
ole32.dll
gdi32.dll
PR_OpenTCPSocket
hXXp://VVV.google.com/webhp
HTTP/1.1
hXXp://
hXXps://
HTTP/1.
RapportUtil
echo "Press any key to run Internet Explorer (32-bit OS)."
"%PROGRAMFILES%\Internet Explorer\iexplore.exe" hXXps://bankieren.rabobank.nl/klanten
echo "Press any key to run Internet Explorer (64-bit OS)."
"%PROGRAMFILES(X86)%\Internet Explorer\iexplore.exe" hXXps://bankieren.rabobank.nl/klanten
.info
userenv.dll
del "%s"
if exist "%s" goto d
del /F "%s"
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)
HTTP/1.0
urlmon.dll
cabinet.dll
%> 0!}40*
<7!="?):
"?5&"5%3%5
%sX-ID: %u=%s=%s
X-ID: %u=%s=%s
HTTP/1.1 200 OK
Content-Length: %u
GetProcessHeap
KERNEL32.dll
ExitWindowsEx
GetKeyboardState
MapVirtualKeyW
OpenWindowStationW
GetProcessWindowStation
CreateWindowStationW
CloseWindowStation
SetProcessWindowStation
SetKeyboardState
MsgWaitForMultipleObjects
USER32.dll
RegOpenKeyExW
RegEnumKeyExW
RegCloseKey
RegCreateKeyExW
ADVAPI32.dll
PathIsURLW
UrlUnescapeA
SHDeleteKeyW
SHLWAPI.dll
ShellExecuteW
SHELL32.dll
Secur32.dll
SetViewportOrgEx
GDI32.dll
WS2_32.dll
PFXImportCertStore
CertDeleteCertificateFromStore
CertOpenSystemStoreW
CertCloseStore
CertEnumCertificatesInStore
CertDuplicateCertificateContext
PFXExportCertStoreEx
CRYPT32.dll
HttpSendRequestExA
HttpQueryInfoA
HttpSendRequestExW
HttpSendRequestW
HttpSendRequestA
InternetCrackUrlA
HttpOpenRequestA
HttpAddRequestHeadersA
GetUrlCacheEntryInfoW
HttpAddRequestHeadersW
WININET.dll
OLEAUT32.dll
NETAPI32.dll
11%2=2H3g3n3{3
4W5S5Z5w5
nspr4.dll
e.dat
cGlobal\XXX
SysShadow
kernel32.dll
"%s" %s
/c "%s"
%sx.%s
%sx
C:\Users\"%CurrentUserName%"\AppData\Roaming
{02106CE3-BC8D-83FE-1B40-3488A5272D7D}
Global\{946BDEC6-0EA8-1585-1B40-3488A5272D7D}

conhost.exe_1648_rwx_002E0000_00028000:

.text
`.data
.reloc
!timeout=%s&value=%s
gdiplus.dll
GdiplusShutdown
ole32.dll
gdi32.dll
PR_OpenTCPSocket
hXXp://VVV.google.com/webhp
HTTP/1.1
hXXp://
hXXps://
HTTP/1.
RapportUtil
echo "Press any key to run Internet Explorer (32-bit OS)."
"%PROGRAMFILES%\Internet Explorer\iexplore.exe" hXXps://bankieren.rabobank.nl/klanten
echo "Press any key to run Internet Explorer (64-bit OS)."
"%PROGRAMFILES(X86)%\Internet Explorer\iexplore.exe" hXXps://bankieren.rabobank.nl/klanten
.info
userenv.dll
del "%s"
if exist "%s" goto d
del /F "%s"
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)
HTTP/1.0
urlmon.dll
cabinet.dll
%> 0!}40*
<7!="?):
"?5&"5%3%5
%sX-ID: %u=%s=%s
X-ID: %u=%s=%s
HTTP/1.1 200 OK
Content-Length: %u
GetProcessHeap
KERNEL32.dll
ExitWindowsEx
GetKeyboardState
MapVirtualKeyW
OpenWindowStationW
GetProcessWindowStation
CreateWindowStationW
CloseWindowStation
SetProcessWindowStation
SetKeyboardState
MsgWaitForMultipleObjects
USER32.dll
RegOpenKeyExW
RegEnumKeyExW
RegCloseKey
RegCreateKeyExW
ADVAPI32.dll
PathIsURLW
UrlUnescapeA
SHDeleteKeyW
SHLWAPI.dll
ShellExecuteW
SHELL32.dll
Secur32.dll
SetViewportOrgEx
GDI32.dll
WS2_32.dll
PFXImportCertStore
CertDeleteCertificateFromStore
CertOpenSystemStoreW
CertCloseStore
CertEnumCertificatesInStore
CertDuplicateCertificateContext
PFXExportCertStoreEx
CRYPT32.dll
HttpSendRequestExA
HttpQueryInfoA
HttpSendRequestExW
HttpSendRequestW
HttpSendRequestA
InternetCrackUrlA
HttpOpenRequestA
HttpAddRequestHeadersA
GetUrlCacheEntryInfoW
HttpAddRequestHeadersW
WININET.dll
OLEAUT32.dll
NETAPI32.dll
11%2=2H3g3n3{3
4W5S5Z5w5
nspr4.dll
e.dat
cGlobal\XXX
SysShadow
kernel32.dll
"%s" %s
/c "%s"
%sx.%s
%sx
C:\Users\"%CurrentUserName%"\AppData\Roaming
{02106CE3-BC8D-83FE-1B40-3488A5272D7D}
Global\{946BDEC6-0EA8-1585-1B40-3488A5272D7D}

TPAutoConnect.exe_2160_rwx_00390000_00028000:

.text
`.data
.reloc
!timeout=%s&value=%s
gdiplus.dll
GdiplusShutdown
ole32.dll
gdi32.dll
PR_OpenTCPSocket
hXXp://VVV.google.com/webhp
HTTP/1.1
hXXp://
hXXps://
HTTP/1.
RapportUtil
echo "Press any key to run Internet Explorer (32-bit OS)."
"%PROGRAMFILES%\Internet Explorer\iexplore.exe" hXXps://bankieren.rabobank.nl/klanten
echo "Press any key to run Internet Explorer (64-bit OS)."
"%PROGRAMFILES(X86)%\Internet Explorer\iexplore.exe" hXXps://bankieren.rabobank.nl/klanten
.info
userenv.dll
del "%s"
if exist "%s" goto d
del /F "%s"
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)
HTTP/1.0
urlmon.dll
cabinet.dll
%> 0!}40*
<7!="?):
"?5&"5%3%5
%sX-ID: %u=%s=%s
X-ID: %u=%s=%s
HTTP/1.1 200 OK
Content-Length: %u
GetProcessHeap
KERNEL32.dll
ExitWindowsEx
GetKeyboardState
MapVirtualKeyW
OpenWindowStationW
GetProcessWindowStation
CreateWindowStationW
CloseWindowStation
SetProcessWindowStation
SetKeyboardState
MsgWaitForMultipleObjects
USER32.dll
RegOpenKeyExW
RegEnumKeyExW
RegCloseKey
RegCreateKeyExW
ADVAPI32.dll
PathIsURLW
UrlUnescapeA
SHDeleteKeyW
SHLWAPI.dll
ShellExecuteW
SHELL32.dll
Secur32.dll
SetViewportOrgEx
GDI32.dll
WS2_32.dll
PFXImportCertStore
CertDeleteCertificateFromStore
CertOpenSystemStoreW
CertCloseStore
CertEnumCertificatesInStore
CertDuplicateCertificateContext
PFXExportCertStoreEx
CRYPT32.dll
HttpSendRequestExA
HttpQueryInfoA
HttpSendRequestExW
HttpSendRequestW
HttpSendRequestA
InternetCrackUrlA
HttpOpenRequestA
HttpAddRequestHeadersA
GetUrlCacheEntryInfoW
HttpAddRequestHeadersW
WININET.dll
OLEAUT32.dll
NETAPI32.dll
11%2=2H3g3n3{3
4W5S5Z5w5
nspr4.dll
e.dat
cGlobal\XXX
SysShadow
kernel32.dll
"%s" %s
/c "%s"
%sx.%s
%sx
C:\Users\"%CurrentUserName%"\AppData\Roaming
{02106CE3-BC8D-83FE-1B40-3488A5272D7D}
Global\{946BDEC6-0EA8-1585-1B40-3488A5272D7D}

conhost.exe_2168_rwx_000B0000_00028000:

.text
`.data
.reloc
!timeout=%s&value=%s
gdiplus.dll
GdiplusShutdown
ole32.dll
gdi32.dll
PR_OpenTCPSocket
hXXp://VVV.google.com/webhp
HTTP/1.1
hXXp://
hXXps://
HTTP/1.
RapportUtil
echo "Press any key to run Internet Explorer (32-bit OS)."
"%PROGRAMFILES%\Internet Explorer\iexplore.exe" hXXps://bankieren.rabobank.nl/klanten
echo "Press any key to run Internet Explorer (64-bit OS)."
"%PROGRAMFILES(X86)%\Internet Explorer\iexplore.exe" hXXps://bankieren.rabobank.nl/klanten
.info
userenv.dll
del "%s"
if exist "%s" goto d
del /F "%s"
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)
HTTP/1.0
urlmon.dll
cabinet.dll
%> 0!}40*
<7!="?):
"?5&"5%3%5
%sX-ID: %u=%s=%s
X-ID: %u=%s=%s
HTTP/1.1 200 OK
Content-Length: %u
GetProcessHeap
KERNEL32.dll
ExitWindowsEx
GetKeyboardState
MapVirtualKeyW
OpenWindowStationW
GetProcessWindowStation
CreateWindowStationW
CloseWindowStation
SetProcessWindowStation
SetKeyboardState
MsgWaitForMultipleObjects
USER32.dll
RegOpenKeyExW
RegEnumKeyExW
RegCloseKey
RegCreateKeyExW
ADVAPI32.dll
PathIsURLW
UrlUnescapeA
SHDeleteKeyW
SHLWAPI.dll
ShellExecuteW
SHELL32.dll
Secur32.dll
SetViewportOrgEx
GDI32.dll
WS2_32.dll
PFXImportCertStore
CertDeleteCertificateFromStore
CertOpenSystemStoreW
CertCloseStore
CertEnumCertificatesInStore
CertDuplicateCertificateContext
PFXExportCertStoreEx
CRYPT32.dll
HttpSendRequestExA
HttpQueryInfoA
HttpSendRequestExW
HttpSendRequestW
HttpSendRequestA
InternetCrackUrlA
HttpOpenRequestA
HttpAddRequestHeadersA
GetUrlCacheEntryInfoW
HttpAddRequestHeadersW
WININET.dll
OLEAUT32.dll
NETAPI32.dll
11%2=2H3g3n3{3
4W5S5Z5w5
nspr4.dll
e.dat
cGlobal\XXX
SysShadow
kernel32.dll
"%s" %s
/c "%s"
%sx.%s
%sx
C:\Users\"%CurrentUserName%"\AppData\Roaming
{02106CE3-BC8D-83FE-1B40-3488A5272D7D}
Global\{946BDEC6-0EA8-1585-1B40-3488A5272D7D}


Remove it with Ad-Aware

  1. Click (here) to download and install Ad-Aware Free Antivirus.
  2. Update the definition files.
  3. Run a full scan of your computer.


Manual removal*

  1. Scan a system with an anti-rootkit tool.
  2. Terminate malicious process(es) (How to End a Process With the Task Manager):

    %original file name%.exe:1704

  3. Delete the original Trojan file.
  4. Delete or disinfect the following files created/modified by the Trojan:

    C:\Users\"%CurrentUserName%"\AppData\Roaming\Ahycm\socoe.exe (398 bytes)
    C:\Users\"%CurrentUserName%"\AppData\Local\Temp\tmp09a0e988.bat (179 bytes)

  5. Reboot the computer.

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

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