Gen.Trojan.Heur.9y1vqu9UYmi_58f90ced36

by malwarelabrobot on November 10th, 2016 in Malware Descriptions.

Gen:Trojan.Heur.9y1@vqu9UYmi (BitDefender), Worm:Win32/Mira!rfn (Microsoft), Trojan.Win32.Agent.icgh (Kaspersky), Worm.Win32.Mira.a (v) (VIPRE), Trojan.MulDrop5.32888 (DrWeb), Gen:Trojan.Heur.9y1@vqu9UYmi (B) (Emsisoft), W32/Worm-FUC!58F90CED3608 (McAfee), W32.SillyFDC (Symantec), Trojan-Spy.Zbot (Ikarus), Gen:Trojan.Heur.9y1@vqu9UYmi (FSecure), SHeur4.BVDT (AVG), Win32:Malware-gen (Avast), WORM_MIRAS.SMN (TrendMicro), Gen:Trojan.Heur.9y1@vqu9UYmi (AdAware), Trojan.Win32.Swrort.4.FD, TrojanSwrort.YR (Lavasoft MAS)
Behaviour: Trojan-Spy, Trojan, Worm, Malware


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: 58f90ced3608ddc05348313f10dc5e81
SHA1: 71283cc7c2d83580f13922797aefa93ba3773c37
SHA256: 2755de3213228f87157db0c7f1256c1e730c1e25e59b5eba022553d58e567f13
SSDeep: 12288:/1/aGLDCMNpNAkoSzZWD8ayX2MQCw7D0FoWxJpcEi0/3IWV//7cSdy0Oq1sB/X7n:/1/aGLDCM4D8ayGMZo8/mLrX2jc
Size: 1010923 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: ??????????? ???????????, 2007-2009
Created at: no data
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:268
rjmwiv.exe:1908

The Trojan injects its code into the following process(es):
No processes have been created.

Mutexes

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

File activity

The process %original file name%.exe:268 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\ProgramData\Saaaalamm\Mira.h (960208 bytes)
C:\ProgramData\rjmwiv.exe (1019423 bytes)

The process rjmwiv.exe:1908 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\config.sys .exe (1963131 bytes)
C:\bootmgr .exe (1963131 bytes)
C:\Boot .exe (1963131 bytes)
C:\Windows .exe (1963131 bytes)
C:\ProgramData .exe (1963131 bytes)
C:\$Recycle.Bin .exe (1963131 bytes)
C:\BOOTSECT.BAK .exe (1963131 bytes)
%Documents and Settings% .exe (1963131 bytes)
C:\%original file name%.exe .exe (1963131 bytes)
C:\original .exe (1963131 bytes)
C:\totalcmd .exe (1963131 bytes)
C:\Users .exe (1963131 bytes)
C:\XELDZ .exe (1963131 bytes)
C:\autoexec.bat .exe (1963131 bytes)
C:\System Volume Information .exe (1963131 bytes)
C:\marker .exe (1963131 bytes)
%Program Files% .exe (1963131 bytes)
C:\pagefile.sys .exe (1963131 bytes)

The Trojan deletes the following file(s):

C:\Mirax (0 bytes)
C:\Miraw (0 bytes)
C:\Mirar (0 bytes)
C:\Miral (0 bytes)
C:\Miram (0 bytes)
C:\Miran (0 bytes)
C:\Mirao (0 bytes)
C:\Mirah (0 bytes)
C:\Mirai (0 bytes)
C:\Mirak (0 bytes)
C:\Mirad (0 bytes)
C:\Miraf (0 bytes)
C:\Mirag (0 bytes)
C:\Miraa (0 bytes)
C:\Mirac (0 bytes)

Registry activity

The process rjmwiv.exe:1908 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Microsoft® Windows® Operating System" = "C:\ProgramData\rjmwiv.exe"

Dropped PE files

MD5 File path
4843298109de934feefe5bfdc3eb90be c:\$Recycle.Bin .exe
3c05f3df0e48aaa87d471f7568bd9121 c:\%original file name%.exe .exe
84d03a4c77f9ed9ff9a03e8d5ab388ca c:\BOOTSECT.BAK .exe
f2c4d5222f356129accee5a7ac0ddcc5 c:\Boot .exe
4bbf7d8253371eba8213a3f80017feec c:\Documents and Settings .exe
5cbf2d650bce8a001f0b12ce8880fd70 c:\Perl .exe
cdd825afa244e64fa08e0b598222de5b c:\Program Files .exe
c620757e13e739051723107e0413e34e c:\ProgramData .exe
2549139ceeb2c40c2ea0aeb04527d833 c:\ProgramData\Saaaalamm\Mira.h
21b281d413f4534140954aa4f1d49bdc c:\ProgramData\rjmwiv.exe
78da4626236663ea7945dc1ec6a286f3 c:\System Volume Information .exe
486d0ed9b7bf586462c59f32a583b803 c:\Users .exe
2549139ceeb2c40c2ea0aeb04527d833 c:\Users\All Users\Saaaalamm\Mira.h
21b281d413f4534140954aa4f1d49bdc c:\Users\All Users\rjmwiv.exe
eac2513da212300029c9f8fa1724884b c:\Windows .exe
546073f51515a17104722ff337830b41 c:\XELDZ .exe
44e644c89878f81adb3cd4270da0fa4d c:\autoexec.bat .exe
0bdfdc3df7cfd64b670d7cc7bfa8f0fc c:\bootmgr .exe
8b27a742351a24558b52b4d64e4ed029 c:\config.sys .exe
a9093b0d940147b70d12e6f4ad87f384 c:\marker .exe
21a2d6b5244f577a03614d008c826fc8 c:\original .exe
d6b4561b758217c337eb151d3c683dab c:\pagefile.sys .exe
15dbbfaf3730f46f98b7686d6cda18ed c:\totalcmd .exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

Company Name: Microsoft Corporation
Product Name: Mira Malware
Product Version: 1.0.0.155
Legal Copyright: Microsoft Corporation
Legal Trademarks:
Original Filename:
Internal Name:
File Version: 1.0.0.155
File Description: Mira Malware
Comments:
Language: Language Neutral

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
.text 4096 245368 245760 4.21465 8b164ac8ef3742f37830dc1842275667
.data 249856 608 1024 0.488703 6fda88cf7188a8245a53dfde927250fd
.rdata 253952 9384 9728 3.47165 dbe852009dbd077a9976cb0ecfb9aadf
.bss 266240 18576 0 0 d41d8cd98f00b204e9800998ecf8427e
.idata 286720 2212 2560 2.97703 5e5242c565219f3bd33a6568632559dc
.rsrc 290816 758300 750827 4.88309 3924d485b118c3f3019b86b5ceaa71fa

Dropped from:

2f6fb4894885ffa0aaa886c79216e5d1

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):

rjmwiv.exe_1908:

.text
`.data
.rdata
@.bss
.idata
C:\ProgramData\rjmwiv.exe
Software\Microsoft\Windows\CurrentVersion\Run
Windows
Operating System
%H:%M:%S
%m/%d/%y
-0123456789
%s:%u: failed assertion `%s'
RegCloseKey
RegOpenKeyA
ADVAPI32.DLL
KERNEL32.dll
msvcrt.dll
SHELL32.DLL

SearchProtocolHost.exe_684:

.text
`.data
.rsrc
@.reloc
ADVAPI32.dll
ntdll.DLL
KERNEL32.dll
msvcrt.dll
USER32.dll
ole32.dll
OLEAUT32.dll
TQUERY.DLL
MSSHooks.dll
IMM32.dll
SHLWAPI.dll
SrchCollatorCatalogInfo
SrchDSSLogin
SrchDSSPortManager
SrchPHHttp
SrchIndexerQuery
SrchIndexerProperties
SrchIndexerPlugin
SrchIndexerClient
SrchIndexerSchema
Msidle.dll
Failed to get REGKEY_FLTRDMN_MS_TO_IDLE, using default
pfps->psProperty.ulKind is LPWSTR but psProperty.lpwstr is NULL or empty
d:\win7sp1_gdr\enduser\mssearch2\common\utils\crchash.cxx
d:\win7sp1_gdr\enduser\mssearch2\search\search\gather\fltrdmn\fltrdaemon.cxx
d:\win7sp1_gdr\enduser\mssearch2\search\common\include\secutil.hxx
d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracerhelpers.h
d:\win7sp1_gdr\enduser\mssearch2\common\tracer\mutex.cpp
d:\win7sp1_gdr\enduser\mssearch2\common\include\srchxcpt.hxx
RegDeleteKeyW
RegDeleteKeyExW
8%uiP
Invalid parameter passed to C runtime function.
d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracersecutil.h
d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracmain.cpp
-d-d-d-d-d-d-d-%d
d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracmain.h
</MSG></TRC>
<MSG>
<ERR> 0xx=
<LOC> %s(%d) </LOC>
tid="0x%x"
pid="0x%x"
tagname="%s"
tagid="0x%x"
el="0x%x"
time="d/d/d d:d:d.d"
logname="%s"
d:\win7sp1_gdr\enduser\mssearch2\common\tracer\sysimprs.cxx
SHELL32.dll
PROPSYS.dll
ntdll.dll
RegCloseKey
RegCreateKeyExW
RegOpenKeyExW
RegQueryInfoKeyW
RegEnumKeyExW
ReportEventW
_amsg_exit
MsgWaitForMultipleObjects
SearchProtocolHost.pdb
2 2(20282|2
4%5S5
Software\Microsoft\Windows Search
https
kernel32.dll
msTracer.dll
msfte.dll
lX-X-X-XX-XXXXXX
SOFTWARE\Microsoft\Windows Search
tquery.dll
%s\%s
HKEY_CLASSES_ROOT
HKEY_CURRENT_USER
HKEY_LOCAL_MACHINE
HKEY_USERS
HKEY_PERFORMANCE_DATA
HKEY_DYN_DATA
HKEY_CURRENT_CONFIG
Windows Search Service
<Exception><HR>0xx</HR><eip>%p</eip><module>%S</module><line>%d</line></Exception>
advapi32.dll
WAPI-MS-Win-Core-LocalRegistry-L1-1-0.dll
winhttp.dll
Software\Microsoft\Windows Search\Tracing
Software\Microsoft\Windows Search\Tracing\EventThrottleLastReported
Software\Microsoft\Windows Search\Tracing\EventThrottleState
<MSG>
<LOC> %S(%d) </LOC>
tagname="%S"
logname="%S"
Software\Microsoft\Active Setup\Installed Components\{89820200-ECBD-11CF-8B85-00AA005B4383}
.\%s.mui
.\%s\%s.mui
%s\%s.mui
%s\%s\%s.mui
Microsoft Windows Search Protocol Host
7.00.7601.17610 (win7sp1_gdr.110503-1502)
SearchProtocolHost.exe
Windows
7.00.7601.17610

SearchFilterHost.exe_2044:

.text
`.data
.rsrc
@.reloc
ADVAPI32.dll
ntdll.DLL
KERNEL32.dll
msvcrt.dll
USER32.dll
ole32.dll
OLEAUT32.dll
TQUERY.DLL
IMM32.dll
MSSHooks.dll
mscoree.dll
SHLWAPI.dll
d:\win7sp1_gdr\enduser\mssearch2\search\search\gather\fltrhost\bufstm.cxx
d:\win7sp1_gdr\enduser\mssearch2\common\tracer\mutex.cpp
RegDeleteKeyW
RegDeleteKeyExW
8%uiP
d:\win7sp1_gdr\enduser\mssearch2\common\include\srchxcpt.hxx
Invalid parameter passed to C runtime function.
d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracersecutil.h
d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracmain.cpp
-d-d-d-d-d-d-d-%d
d:\win7sp1_gdr\enduser\mssearch2\common\tracer\tracmain.h
d:\win7sp1_gdr\enduser\mssearch2\common\tracer\sysimprs.cxx
RegCloseKey
RegCreateKeyExW
RegOpenKeyExW
RegQueryInfoKeyW
RegEnumKeyExW
ReportEventW
_amsg_exit
SearchFilterHost.pdb
version="5.1.0.0"
name="Microsoft.Windows.Search.MSSFH"
<requestedExecutionLevel
3 3(30383|3
kernel32.dll
Software\Microsoft\Windows Search
SOFTWARE\Microsoft\Windows Search
HKEY_CLASSES_ROOT
HKEY_CURRENT_USER
HKEY_LOCAL_MACHINE
HKEY_USERS
HKEY_PERFORMANCE_DATA
HKEY_DYN_DATA
HKEY_CURRENT_CONFIG
Windows Search Service
tquery.dll
advapi32.dll
API-MS-Win-Core-LocalRegistry-L1-1-0.dll
<Exception><HR>0xx</HR><eip>%p</eip><module>%S</module><line>%d</line></Exception>
Software\Microsoft\Windows Search\Tracing
Software\Microsoft\Windows Search\Tracing\EventThrottleLastReported
Software\Microsoft\Windows Search\Tracing\EventThrottleState
<MSG>
<ERR> 0xx=
<LOC> %S(%d) </LOC>
tid="0x%x"
pid="0x%x"
tagname="%S"
tagid="0x%x"
el="0x%x"
time="d/d/d d:d:d.d"
logname="%S"
</MSG></TRC>
Software\Microsoft\Active Setup\Installed Components\{89820200-ECBD-11CF-8B85-00AA005B4383}
.\%s.mui
.\%s\%s.mui
%s\%s.mui
%s\%s\%s.mui
%s\%s
winhttp.dll
Microsoft Windows Search Filter Host
7.00.7601.17610 (win7sp1_gdr.110503-1502)
SearchFilterHost.exe
Windows
7.00.7601.17610


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. Terminate malicious process(es) (How to End a Process With the Task Manager):

    %original file name%.exe:268
    rjmwiv.exe:1908

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

    C:\ProgramData\Saaaalamm\Mira.h (960208 bytes)
    C:\ProgramData\rjmwiv.exe (1019423 bytes)
    C:\config.sys .exe (1963131 bytes)
    C:\bootmgr .exe (1963131 bytes)
    C:\Boot .exe (1963131 bytes)
    C:\Windows .exe (1963131 bytes)
    C:\ProgramData .exe (1963131 bytes)
    C:\$Recycle.Bin .exe (1963131 bytes)
    C:\BOOTSECT.BAK .exe (1963131 bytes)
    %Documents and Settings% .exe (1963131 bytes)
    C:\%original file name%.exe .exe (1963131 bytes)
    C:\original .exe (1963131 bytes)
    C:\totalcmd .exe (1963131 bytes)
    C:\Users .exe (1963131 bytes)
    C:\XELDZ .exe (1963131 bytes)
    C:\autoexec.bat .exe (1963131 bytes)
    C:\System Volume Information .exe (1963131 bytes)
    C:\marker .exe (1963131 bytes)
    %Program Files% .exe (1963131 bytes)
    C:\pagefile.sys .exe (1963131 bytes)

  4. Delete the following value(s) in the autorun key (How to Work with System Registry):

    [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
    "Microsoft® Windows® Operating System" = "C:\ProgramData\rjmwiv.exe"

  5. Reboot the computer.

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

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