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.
Summary
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).
Dynamic Analysis
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
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):
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"
Static Analysis
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)
Company Name: Microsoft CorporationProduct Name: Mira MalwareProduct Version: 1.0.0.155Legal Copyright: Microsoft CorporationLegal Trademarks: Original Filename: Internal Name: File Version: 1.0.0.155File Description: Mira MalwareComments: 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:
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
yjngaj.exe_1420:
.text
.text
`.data
`.data
.rdata
.rdata
@.bss
@.bss
.idata
.idata
%Documents and Settings%\All Users\Application Data\yjngaj.exe
%Documents and Settings%\All Users\Application Data\yjngaj.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