Sinowal_80095735f2

by malwarelabrobot on March 26th, 2014 in Malware Descriptions.

Trojan.Win32.Generic!BT (VIPRE), Sinowal.YR, GenericInjector.YR, BackdoorCaphaw_QKKBAL.YR, TrojanPSWZbot.YR (Lavasoft MAS)
Behaviour: Trojan-PSW, Trojan, Backdoor


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

Summary
Technical Details
Removal Recommendations

MD5: 80095735f295ecbcc18f4a3b72097526
SHA1: 0058ca5fd278414f28919b267193df501c314941
SHA256: a44044373fa78e89dcdeb02013621f4010395935283c2e382ea3dca01f30bcf7
SSDeep: 6144:UTymhcDH6x7MdMWMsFVFCZrMAqqV4UQ874yLjg56J5:Ohgy77WMsFVFnALJQTyK6n
Size: 279552 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: Armadillov171, MicrosoftVisualC, MicrosoftVisualCv50v60MFC, MicrosoftVisualC50, UPolyXv05_v6
Company: apps installer
Created at: 2014-03-17 20:35:10
Analyzed on: WindowsXP SP3 32-bit


Summary:

Trojan-PSW. Trojan program intended for stealing users passwords.

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

ipconfig.exe:304
%original file name%.exe:3416
%original file name%.exe:1732
tasklist.exe:2740
hostname.exe:4008
asam.exe:176
asam.exe:628
netsh.exe:1200

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

ctfmon.exe:252

File activity

The process %original file name%.exe:3416 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Application Data\Rakin\asam.exe (279 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmpd4ac2da7.bat (177 bytes)

Registry activity

The process ipconfig.exe:304 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy\traceIdentifier]
"Guid" = "5f31090b-d990-4e91-b16d-46121d0255aa"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil\traceIdentifier]
"Guid" = "8aefce96-4618-42ff-a057-3536aa78233e"

[HKLM\System\CurrentControlSet\Services\Eventlog\Application\ESENT]
"EventMessageFile" = "%System%\ESENT.dll"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKLM\System\CurrentControlSet\Services\Eventlog\Application\ESENT]
"CategoryCount" = "16"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy]
"Active" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg\traceIdentifier]
"BitNames" = " Error Unusual Info Debug"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg]
"Active" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy\traceIdentifier]
"BitNames" = " Error Unusual Info Debug"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg]
"ControlFlags" = "1"
"LogSessionName" = "stdout"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil]
"Active" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy]
"LogSessionName" = "stdout"
"ControlFlags" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg\traceIdentifier]
"Guid" = "5f31090b-d990-4e91-b16d-46121d0255aa"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil\traceIdentifier]
"BitNames" = " Error Unusual Info Debug"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "25 76 97 0D 95 77 D5 A3 E0 BC 1E 32 82 67 B6 A2"

[HKLM\System\CurrentControlSet\Services\Eventlog\Application\ESENT]
"CategoryMessageFile" = "%System%\ESENT.dll"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil]
"LogSessionName" = "stdout"

[HKLM\System\CurrentControlSet\Services\Eventlog\Application\ESENT]
"TypesSupported" = "7"

[HKCU\Software\Microsoft\Upqo]
"Posok" = "25 EF 43 FA 47 FE AC EE E2 57 6D 04 76 F4 EA C2"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil]
"ControlFlags" = "1"

The process %original file name%.exe:3416 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F6 28 4D BD D3 B1 D3 C9 F5 D2 C8 4E 90 EF 03 D9"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

The process %original file name%.exe:1732 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "65 18 B5 0B 1F 10 B6 41 F2 72 49 9C E4 C1 26 47"

The process ctfmon.exe:252 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "64 03 DA CB 13 33 10 F3 AD DC 82 2C 7C D2 D8 78"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKCU\Software\Microsoft\Upqo]
"Posok" = "25 EF 43 FA 47 FE AC EE E2 57 6D 04 76 F4 EA C2"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"

The Trojan deletes the following value(s) in system registry:
The Trojan disables automatic startup of the application by deleting the following autorun value:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"internat.exe"

The process tasklist.exe:2740 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "A8 C7 B5 28 08 F1 C9 30 AC 96 7B 13 D0 10 BB 95"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKCU\Software\Microsoft\Upqo]
"Posok" = "25 EF 43 FA 47 FE AC EE E2 57 6D 04 76 F4 EA C2"

The process hostname.exe:4008 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "AC AD 1D BB E6 5E A0 A0 25 8F 29 00 D0 77 73 A7"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKCU\Software\Microsoft\Upqo]
"Posok" = "25 EF 43 FA 47 FE AC EE E2 57 6D 04 76 F4 EA C2"

The process asam.exe:176 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "E5 C7 EF B2 98 13 DF EB C6 D4 43 0A 60 E0 27 60"

The process asam.exe:628 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "69 AB 21 42 36 D0 5F 17 4A 2E 1D 04 52 71 3C CD"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

The process netsh.exe:1200 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy\traceIdentifier]
"Guid" = "5f31090b-d990-4e91-b16d-46121d0255aa"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\qagent]
"Active" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil\traceIdentifier]
"Guid" = "8aefce96-4618-42ff-a057-3536aa78233e"

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"DoNotAllowExceptions" = "0"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\NAP\Netsh]
"ControlFlags" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\qagent]
"ControlFlags" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\NAP\Netsh]
"Active" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\NAP\Netsh\Napmontr]
"BitNames" = " NAP_TRACE_BASE NAP_TRACE_NETSH"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy]
"Active" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg\traceIdentifier]
"BitNames" = " Error Unusual Info Debug"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg]
"Active" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy\traceIdentifier]
"BitNames" = " Error Unusual Info Debug"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg]
"ControlFlags" = "1"
"LogSessionName" = "stdout"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\NAP\Netsh\Napmontr]
"Guid" = "710adbf0-ce88-40b4-a50d-231ada6593f0"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil]
"Active" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\qagent\traceIdentifier]
"BitNames" = " Error Unusual Info Debug"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappprxy]
"LogSessionName" = "stdout"
"ControlFlags" = "1"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\qagent\traceIdentifier]
"Guid" = "b0278a28-76f1-4e15-b1df-14b209a12613"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\eappcfg\traceIdentifier]
"Guid" = "5f31090b-d990-4e91-b16d-46121d0255aa"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil\traceIdentifier]
"BitNames" = " Error Unusual Info Debug"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "94 F6 A0 4E A8 35 03 14 05 EB E3 6C B3 7C 7D 86"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\NAP\Netsh]
"LogSessionName" = "stdout"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\qagent]
"LogSessionName" = "stdout"

[HKCU\Software\Microsoft\Upqo]
"Posok" = "25 EF 43 FA 47 FE AC EE E2 57 6D 04 76 F4 EA C2"

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Tracing\Microsoft\QUtil]
"LogSessionName" = "stdout"
"ControlFlags" = "1"

A firewall is disabled:

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"EnableFirewall" = "0"

Network activity (URLs)

URL IP
hxxp://targetcanada.su/NwTagCa/nwpnl/file.php 62.122.110.119
hxxp://www.google.com/webhp 74.125.226.240
hxxp://www.google.ca/webhp?gfe_rd=ctrl&ei=AdAxU6XkJ4XO8gf-y4DIBA&gws_rd=cr 74.125.226.247
hxxp://e6845.ce.akamaiedge.net/crls/secureca.crl
hxxp://e6845.ce.akamaiedge.net/crls/gtglobal.crl
hxxp://www3.l.google.com/GIAG2.crl
hxxp://targetcanada.su/NwTagCa/nwpnl/contr.php
crl.geotrust.com 23.35.165.163
pki.google.com 74.125.226.229


HOSTS file anomalies

No changes have been detected.

Rootkit activity

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

PlaySoundW

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

HttpEndRequestW
HttpEndRequestA
HttpSendRequestExW
HttpSendRequestExA
InternetSetFilePointer
InternetReadFileExA
HttpSendRequestA
HttpOpenRequestW
HttpSendRequestW
HttpOpenRequestA
InternetQueryDataAvailable
InternetCloseHandle
HttpQueryInfoA
InternetReadFile

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

PFXImportCertStore

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

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

The Trojan installs the following user-mode hooks in ADVAPI32.dll:

CreateProcessAsUserA
CreateProcessAsUserW

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

WSASend
gethostbyname
send
closesocket
getaddrinfo

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

ExitProcess
GetFileAttributesExW

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

NtCreateThread

Propagation


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):

    ipconfig.exe:304
    %original file name%.exe:3416
    %original file name%.exe:1732
    tasklist.exe:2740
    hostname.exe:4008
    asam.exe:176
    asam.exe:628
    netsh.exe:1200

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

    %Documents and Settings%\%current user%\Application Data\Rakin\asam.exe (279 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\tmpd4ac2da7.bat (177 bytes)

  5. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
  6. Reboot the computer.

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

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