Gen:Heur.Minggy.1 (BitDefender), Trojan:Win32/Beaugrit.gen!AAA (Microsoft), Trojan.Win32.Agent.icgh (Kaspersky), Trojan.MulDrop5.32888 (DrWeb), Gen:Heur.Minggy.1 (B) (Emsisoft), W32/Worm-FUC!843C90B5BD04 (McAfee), Virus.Win32.Vbinder (Ikarus), Gen:Heur.Minggy.1 (FSecure), SHeur4.BVDT (AVG), Win32:Malware-gen (Avast), TROJ_GEN.R0CBC0DF814 (TrendMicro), Gen:Heur.Minggy.1 (AdAware), Trojan.Win32.Swrort.4.FD, TrojanSwrort.YR (Lavasoft MAS)Behaviour: Trojan, Worm, Virus, Malware
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 843c90b5bd04ec5de6ade866afc03640
SHA1: 55003aa9c88d21397182c712f826a57c927ed09d
SHA256: 236e14e178b6621dd5450fa97a13e636085914a41b88297b26c049d513f2becb
SSDeep: 12288:P1/aGLDCMNpNAkoSzZWD8ayX2MQCw7D0vdE8FY0zt5eozZ jsD8F:P1/aGLDCM4D8ayGMLW0ztnsjsD8F
Size: 740203 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2014-02-27 08:41:59
Analyzed on: WindowsXP SP3 32-bit
Summary: Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).
Dynamic Analysis
Payload
No specific payload has been found.
Process activity
The Trojan creates the following process(es):
%original file name%.exe:576
bmfit.exe:1372
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:576 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\All Users\Application Data\Saaaalamm\Mira.h (537850 bytes)
%Documents and Settings%\All Users\Application Data\bmfit.exe (914498 bytes)
The process bmfit.exe:1372 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
C:\AUTOEXEC.BAT .exe (1452114 bytes)
C:\MSDOS.SYS .exe (1452114 bytes)
C:\IO.SYS .exe (1452114 bytes)
C:\boot.ini .exe (1452114 bytes)
%Documents and Settings% .exe (1452114 bytes)
C:\RECYCLER .exe (1452114 bytes)
C:\ntldr .exe (1452114 bytes)
C:\original .exe (1452114 bytes)
C:\totalcmd .exe (1452114 bytes)
C:\NTDETECT.COM .exe (1452114 bytes)
C:\System Volume Information .exe (1452114 bytes)
C:\CONFIG.SYS .exe (1452114 bytes)
C:\marker .exe (1452114 bytes)
C:\%original file name%.exe .exe (1452114 bytes)
%Program Files% .exe (1452114 bytes)
%WinDir% .exe (1452114 bytes)
C:\pagefile.sys .exe (1452114 bytes)
The Trojan deletes the following file(s):
C:\Mirat (0 bytes)
C:\Mirau (0 bytes)
C:\Mirav (0 bytes)
C:\Miraw (0 bytes)
C:\Mirap (0 bytes)
C:\Miraq (0 bytes)
C:\Mirar (0 bytes)
C:\Miras (0 bytes)
C:\Mirah (0 bytes)
C:\Mirai (0 bytes)
C:\Miraj (0 bytes)
C:\Mirak (0 bytes)
C:\Mirad (0 bytes)
C:\Miraa (0 bytes)
C:\Mirab (0 bytes)
Registry activity
The process %original file name%.exe:576 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "3E 3B F9 C7 78 9C 4B 4B 43 CB EE A6 3D 6D 29 17"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
The process bmfit.exe:1372 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
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" = "%Documents and Settings%\All Users\Application Data\bmfit.exe"
Dropped PE files
MD5 | File path |
---|---|
84a83e742d54f933109e1356d90c5c06 | c:\%original file name%.exe .exe |
1afd396c9d4b1b92ed474eecf000d488 | c:\AUTOEXEC.BAT .exe |
4077a8345cd003bf5f6d5243f9acf6b2 | c:\CONFIG.SYS .exe |
691f420eae668e6123e033003b9fe39f | c:\Documents and Settings .exe |
15cccb964efeeb58f9cd8ebf5757b3a1 | c:\Documents and Settings\All Users\Application Data\Saaaalamm\Mira.h |
050adce300f59b3f31656f9614608e03 | c:\Documents and Settings\All Users\Application Data\bmfit.exe |
0b18bbdaa8b7dbca8148b6be38316a8b | c:\IO.SYS .exe |
4ae1eab4906aad3ad9585628275ac6c4 | c:\MSDOS.SYS .exe |
5912823c260b112deb691bcfa8832d15 | c:\NTDETECT.COM .exe |
f2a31a936ee581023438f6344e09f0c6 | c:\Perl .exe |
7790d791d7195a237dcea879242f7306 | c:\Program Files .exe |
483a52b8163f28459df9b4370506e511 | c:\RECYCLER .exe |
831a92046aca4bdc8d613ebd3b62b174 | c:\System Volume Information .exe |
ab915d366a4f40ce5232fc76d99117e4 | c:\WINDOWS .exe |
809bc07dc46172ac596d3ad4000ec559 | c:\boot.ini .exe |
a062029266531c9b086d3d999ce66e4a | c:\marker .exe |
a3b3de0c6489cecea5b309b7d9b366b3 | c:\ntldr .exe |
c8323a438a1483d8d911afe1212ab573 | c:\original .exe |
9cc55c9c2d857fb131e6d214ed554702 | c:\pagefile.sys .exe |
983cc485175d8b21826d2ab479ab584c | c:\totalcmd .exe |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
No anomalies have been detected.
Propagation
Removals
Remove it with Ad-Aware
- Click (here) to download and install Ad-Aware Free Antivirus.
- Update the definition files.
- Run a full scan of your computer.
Manual removal*
- Terminate malicious process(es) (How to End a Process With the Task Manager):
%original file name%.exe:576
bmfit.exe:1372 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\All Users\Application Data\Saaaalamm\Mira.h (537850 bytes)
%Documents and Settings%\All Users\Application Data\bmfit.exe (914498 bytes)
C:\AUTOEXEC.BAT .exe (1452114 bytes)
C:\MSDOS.SYS .exe (1452114 bytes)
C:\IO.SYS .exe (1452114 bytes)
C:\boot.ini .exe (1452114 bytes)
%Documents and Settings% .exe (1452114 bytes)
C:\RECYCLER .exe (1452114 bytes)
C:\ntldr .exe (1452114 bytes)
C:\original .exe (1452114 bytes)
C:\totalcmd .exe (1452114 bytes)
C:\NTDETECT.COM .exe (1452114 bytes)
C:\System Volume Information .exe (1452114 bytes)
C:\CONFIG.SYS .exe (1452114 bytes)
C:\marker .exe (1452114 bytes)
C:\%original file name%.exe .exe (1452114 bytes)
%Program Files% .exe (1452114 bytes)
%WinDir% .exe (1452114 bytes)
C:\pagefile.sys .exe (1452114 bytes) - 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" = "%Documents and Settings%\All Users\Application Data\bmfit.exe"
Static Analysis
VersionInfo
No information is available.
No information is available.
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 | 26552 | 26624 | 4.28628 | 9ad058408721cc9b90b9060077a1c139 |
Dropped from:
ef79edb6c3a591728202e26b0e5fde84
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Total found: 6
b8fded3e584cf2df9e993c0d5aa2a230
b4e515b7eaec106d074cbbfd17052f77
a0126baf86a4cdd25abca8c48c9fdb42
c840d8f434a02d73f15b45d451d68d57
27925457f2da84350fba1f77e44130d1
246a4efd6658e00044a5bfc8e16eb8f2
Network Activity
URLs
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
Map
The Trojan connects to the servers at the folowing location(s):
Strings from Dumps
bmfit.exe_1372:
.text
.text
`.data
`.data
.rdata
.rdata
@.bss
@.bss
.idata
.idata
%Documents and Settings%\All Users\Application Data\bmfit.exe
%Documents and Settings%\All Users\Application Data\bmfit.exe
Software\Microsoft\Windows\CurrentVersion\Run
Software\Microsoft\Windows\CurrentVersion\Run
Windows
Windows
Operating System
Operating System
%H:%M:%S
%H:%M:%S
%m/%d/%y
%m/%d/%y
-0123456789
-0123456789
%s:%u: failed assertion `%s'
%s:%u: failed assertion `%s'
RegCloseKey
RegCloseKey
RegOpenKeyA
RegOpenKeyA
ADVAPI32.DLL
ADVAPI32.DLL
KERNEL32.dll
KERNEL32.dll
msvcrt.dll
msvcrt.dll
SHELL32.DLL
SHELL32.DLL