Gen.Trojan.Heur.9y1vqu9UYmi_afb29b4fb8
Trojan.Win32.Agent.icgh (Kaspersky), Gen:Trojan.Heur.9y1@vqu9UYmi (B) (Emsisoft), Gen:Trojan.Heur.9y1@vqu9UYmi (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.
| Requires JavaScript enabled! |
|---|
MD5: afb29b4fb824f60e16f835cf880563e8
SHA1: 409626f662a2e01182b873f1c67a0e33039fed18
SHA256: 9948e3c253ab52b16a4605d74855f3e1cb6360414a7486723356cae82dc784b7
SSDeep: 24576:/1/aGLDCM4D8ayGMZo8/p0Rq4wR7TG5SHBN7:wD8ayGMZog0Rq4wR7V
Size: 1010903 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: no data
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):
afb29b4fb824f60:1072
yjngaj.exe:1420
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 afb29b4fb824f60:1072 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 (960207 bytes)
%Documents and Settings%\All Users\Application Data\yjngaj.exe (1018898 bytes)
The process yjngaj.exe:1420 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
C:\AUTOEXEC.BAT .exe (1963130 bytes)
C:\MSDOS.SYS .exe (1963130 bytes)
C:\IO.SYS .exe (1963130 bytes)
C:\boot.ini .exe (1963130 bytes)
%Documents and Settings% .exe (1963130 bytes)
C:\RECYCLER .exe (1963130 bytes)
C:\%original file name%.exe .exe (1963130 bytes)
C:\ntldr .exe (1963130 bytes)
C:\original .exe (1963130 bytes)
C:\totalcmd .exe (1963130 bytes)
C:\NTDETECT.COM .exe (1963130 bytes)
C:\System Volume Information .exe (1963130 bytes)
C:\CONFIG.SYS .exe (1963130 bytes)
C:\marker .exe (1963130 bytes)
%Program Files% .exe (1963130 bytes)
%WinDir% .exe (1963130 bytes)
C:\pagefile.sys .exe (1963130 bytes)
The Trojan deletes the following file(s):
C:\Mirat (0 bytes)
C:\Mirau (0 bytes)
C:\Mirav (0 bytes)
C:\Mirap (0 bytes)
C:\Miraq (0 bytes)
C:\Mirar (0 bytes)
C:\Miras (0 bytes)
C:\Miral (0 bytes)
C:\Miram (0 bytes)
C:\Miran (0 bytes)
C:\Mirao (0 bytes)
C:\Mirai (0 bytes)
C:\Miraj (0 bytes)
C:\Mirak (0 bytes)
C:\Mirae (0 bytes)
Registry activity
The process afb29b4fb824f60:1072 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "A9 49 0F 57 BF EB 9B ED 13 E0 D4 0F B3 E6 67 CC"
[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 yjngaj.exe:1420 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\yjngaj.exe"
Dropped PE files
| MD5 | File path |
|---|---|
| 9cc15baa91c3d4aba76c5ca171141b11 | c:\AUTOEXEC.BAT .exe |
| 479c0c58da3d145c14732d1119164400 | c:\CONFIG.SYS .exe |
| dcb25a09a9b8036ec8f7833fc49ae7c0 | c:\Documents and Settings .exe |
| 2549139ceeb2c40c2ea0aeb04527d833 | c:\Documents and Settings\All Users\Application Data\Saaaalamm\Mira.h |
| afec91f0f0de9c2000072e06abb90518 | c:\Documents and Settings\All Users\Application Data\yjngaj.exe |
| 21fde11c81fbec29f2469e02554ec122 | c:\IO.SYS .exe |
| 928ff12264637b39c446ec2c95a5fc71 | c:\MSDOS.SYS .exe |
| f110b044caacb0456e8c028a95351dde | c:\NTDETECT.COM .exe |
| c9db2b6d48c36f067ebf472c99b6da9e | c:\Perl .exe |
| 6d892a5b63c8045cc6138aa6945da6eb | c:\Program Files .exe |
| 36a76967e2be5f614b2d4fd56a8749c5 | c:\RECYCLER .exe |
| b8d4a009b5fd5d3212782bb28a92d213 | c:\System Volume Information .exe |
| deb7470bbffb16cc96c9056b3ea1b6b9 | c:\WINDOWS .exe |
| e9ca83e4c10097c2764ddcffc6a92692 | c:\%original file name%.exe .exe |
| fd57f08f1208b29550e164bb91a8feff | c:\boot.ini .exe |
| bc5a81496c017493c706b981b3e2cc56 | c:\marker .exe |
| 9a7a37b2e51cf8aa849e90398a92291c | c:\ntldr .exe |
| b45ed80a7cf194acbbac3bc109ecba76 | c:\original .exe |
| bb5f2ca9c40740a641dbbb04cd1a5a09 | c:\pagefile.sys .exe |
| e86ceed9e41b1419bb6a6bbe64fcc9dd | 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: English (United States)
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 | 750807 | 4.86882 | 660c296d0ac70433fe21933a4b730024 |
Dropped from:
3f618e70a4da49ea8ef5385dc45892a9
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\yjngaj.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):
afb29b4fb824f60:1072
yjngaj.exe:1420 - 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 (960207 bytes)
%Documents and Settings%\All Users\Application Data\yjngaj.exe (1018898 bytes)
C:\AUTOEXEC.BAT .exe (1963130 bytes)
C:\MSDOS.SYS .exe (1963130 bytes)
C:\IO.SYS .exe (1963130 bytes)
C:\boot.ini .exe (1963130 bytes)
%Documents and Settings% .exe (1963130 bytes)
C:\RECYCLER .exe (1963130 bytes)
C:\%original file name%.exe .exe (1963130 bytes)
C:\ntldr .exe (1963130 bytes)
C:\original .exe (1963130 bytes)
C:\totalcmd .exe (1963130 bytes)
C:\NTDETECT.COM .exe (1963130 bytes)
C:\System Volume Information .exe (1963130 bytes)
C:\CONFIG.SYS .exe (1963130 bytes)
C:\marker .exe (1963130 bytes)
%Program Files% .exe (1963130 bytes)
%WinDir% .exe (1963130 bytes)
C:\pagefile.sys .exe (1963130 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\yjngaj.exe"
*Manual removal may cause unexpected system behaviour and should be performed at your own risk.