Analysis
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max time kernel
136s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
06-03-2022 20:34
General
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Target
02dc23d65a2d31b758defd3f43d5ba64dce3229ff4cdbf9cec5e63915ba4d20e.exe
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Size
732KB
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MD5
05e7d8ed8b7301e8e4bf2a08aeef2e0a
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SHA1
6b51a2ee1e058167de7877c4a6c4a6d2e1bed711
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SHA256
02dc23d65a2d31b758defd3f43d5ba64dce3229ff4cdbf9cec5e63915ba4d20e
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SHA512
8eb45f9a947e51d8c6f4c76b04962c67df2b3b843975cc86231e0ad00ee3dcd7dcfdfdc97331ccf2900b76e0c619d4d4d8b73ffe17261b3fa297b3836b8be335
Score
10/10
Malware Config
Signatures
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Shurk
Shurk is an infostealer, written in C++ which appeared in 2021.
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Shurk Stealer Payload 2 IoCs
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Executes dropped EXE 2 IoCs
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Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\02dc23d65a2d31b758defd3f43d5ba64dce3229ff4cdbf9cec5e63915ba4d20e.exe"C:\Users\Admin\AppData\Local\Temp\02dc23d65a2d31b758defd3f43d5ba64dce3229ff4cdbf9cec5e63915ba4d20e.exe"1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\vbs.vbs"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c bat.bat3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SpdoSPofdsafpASFPpasFkkdsfkokEFGg.sfx.exeSpdoSPofdsafpASFPpasFkkdsfkokEFGg.sfx.exe -pSpdoSPofdsafpASFPpasFkkdsfkokEFGg.exe -dC:\Users\Admin\AppData\Local\Temp4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SpdoSPofdsafpASFPpasFkkdsfkokEFGg.exe"C:\Users\Admin\AppData\Local\Temp\SpdoSPofdsafpASFPpasFkkdsfkokEFGg.exe"5⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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