Gen.Trojan.Heur.Vy1vuXPjoji_bdcd361747
Trojan.Win32.Agent.icgh (Kaspersky), Gen:Trojan.Heur.Vy1@vuXPjoji (B) (Emsisoft), Gen:Trojan.Heur.Vy1@vuXPjoji (AdAware), Trojan.Win32.Swrort.4.FD, TrojanSwrort.YR (Lavasoft MAS)
Behaviour: Trojan
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
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MD5: bdcd361747fc1145d98739d25168bfcf
SHA1: 81a676c88daa260c60978ee6f8f91925b279fb01
SHA256: ba5e243e79c4febc545bcd00de7c87cca6e383f1b35be8937e224ecc124a814d
SSDeep: 12288:B1/aGLDCMNpNAkoSzZWD8ayX2MQCw7D0gstfSZgv1/mrGq1D5:B1/aGLDCM4D8ayGMcstfSZgN/CGW
Size: 785647 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2001-06-29 11:09:11
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).
Payload
No specific payload has been found.
Process activity
The Trojan creates the following process(es):
pejgx.exe:884
%original file name%.exe:1156
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 pejgx.exe:884 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
C:\AUTOEXEC.BAT .exe (1540319 bytes)
C:\MSDOS.SYS .exe (1540319 bytes)
C:\IO.SYS .exe (1540319 bytes)
C:\boot.ini .exe (1540319 bytes)
%Documents and Settings% .exe (1540319 bytes)
C:\RECYCLER .exe (1540319 bytes)
C:\ntldr .exe (1540319 bytes)
C:\%original file name%.exe .exe (1540319 bytes)
C:\original .exe (1540319 bytes)
C:\totalcmd .exe (1540319 bytes)
C:\NTDETECT.COM .exe (1540319 bytes)
C:\System Volume Information .exe (1540319 bytes)
C:\CONFIG.SYS .exe (1540319 bytes)
C:\marker .exe (1540319 bytes)
%Program Files% .exe (1540319 bytes)
%WinDir% .exe (1540319 bytes)
C:\pagefile.sys .exe (1540319 bytes)
The Trojan deletes the following file(s):
C:\Mirax (0 bytes)
C:\Miray (0 bytes)
C:\Mirat (0 bytes)
C:\Mirav (0 bytes)
C:\Mirap (0 bytes)
C:\Mirar (0 bytes)
C:\Miras (0 bytes)
C:\Miram (0 bytes)
C:\Miran (0 bytes)
C:\Mirai (0 bytes)
C:\Miraj (0 bytes)
C:\Mirag (0 bytes)
C:\Miraa (0 bytes)
C:\Mirab (0 bytes)
C:\Mirac (0 bytes)
The process %original file name%.exe:1156 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 (559962 bytes)
%Documents and Settings%\All Users\Application Data\pejgx.exe (975394 bytes)
Registry activity
The process pejgx.exe:884 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\pejgx.exe"
The process %original file name%.exe:1156 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F4 C3 8B 75 CB 26 52 DD 1A 6B 3B E7 70 11 49 E3"
[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"
Dropped PE files
| MD5 | File path |
|---|---|
| 747223088ed2ea304a98b52d72903ace | c:\AUTOEXEC.BAT .exe |
| 984fc236b52da2e26378ba711183ed4e | c:\CONFIG.SYS .exe |
| 7c62e1b9aa2f3428b23e3e912f368cce | c:\Documents and Settings .exe |
| c126447d0756d3843fe21bc8d1b35083 | c:\Documents and Settings\All Users\Application Data\Saaaalamm\Mira.h |
| 59086292585abaa1b6c117fd74b3e4c2 | c:\Documents and Settings\All Users\Application Data\pejgx.exe |
| c23cc55b8b1c11e74bb8968ab3ec903b | c:\IO.SYS .exe |
| 504dea50bc88b2e483a0ef5fe5ff6bff | c:\MSDOS.SYS .exe |
| a96fbd97456699220aa587080e44936c | c:\NTDETECT.COM .exe |
| 61f103c61f41b184dbf7ed1795ce4522 | c:\Perl .exe |
| bf0690c3d649103f1c3efe14821f4408 | c:\Program Files .exe |
| 1ac895103e829eba0e5262babbb0f570 | c:\RECYCLER .exe |
| 0364fa18ecc8770618647713d58b5d5a | c:\System Volume Information .exe |
| 9982f3263fbd89dbe8faf37b420ed800 | c:\WINDOWS .exe |
| 035408221fa7f13eeaf5f194210c459b | c:\%original file name%.exe .exe |
| 35aa67afb31a4df513b9dafe07184de1 | c:\boot.ini .exe |
| 1ef6fbef8d8c5f3841b785c64c402113 | c:\marker .exe |
| 92e8616e35085866b8239e487155c135 | c:\ntldr .exe |
| e8275c3b63d103a8c1a96e31159bc75c | c:\original .exe |
| 84832806123c20192d64905d8abc3fa2 | c:\pagefile.sys .exe |
| d7ae1417db34f8de48bdfcc2c5bd4819 | 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 | 527252 | 525551 | 4.96713 | 5de56c664a0484eadb03d7c41a0cbd71 |
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):
.text
`.data
.rdata
@.bss
.idata
%Documents and Settings%\All Users\Application Data\pejgx.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
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):
pejgx.exe:884
%original file name%.exe:1156 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
C:\AUTOEXEC.BAT .exe (1540319 bytes)
C:\MSDOS.SYS .exe (1540319 bytes)
C:\IO.SYS .exe (1540319 bytes)
C:\boot.ini .exe (1540319 bytes)
%Documents and Settings% .exe (1540319 bytes)
C:\RECYCLER .exe (1540319 bytes)
C:\ntldr .exe (1540319 bytes)
C:\%original file name%.exe .exe (1540319 bytes)
C:\original .exe (1540319 bytes)
C:\totalcmd .exe (1540319 bytes)
C:\NTDETECT.COM .exe (1540319 bytes)
C:\System Volume Information .exe (1540319 bytes)
C:\CONFIG.SYS .exe (1540319 bytes)
C:\marker .exe (1540319 bytes)
%Program Files% .exe (1540319 bytes)
%WinDir% .exe (1540319 bytes)
C:\pagefile.sys .exe (1540319 bytes)
%Documents and Settings%\All Users\Application Data\Saaaalamm\Mira.h (559962 bytes)
%Documents and Settings%\All Users\Application Data\pejgx.exe (975394 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\pejgx.exe"
*Manual removal may cause unexpected system behaviour and should be performed at your own risk.