Analysis
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max time kernel
156s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-20220310-en -
submitted
11-03-2022 03:54
General
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Target
0cc485ab5c00ba95759d821215475fa2ef7d6e682cb53b97a3a7c90dd0d42c3b.exe
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Size
732KB
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MD5
32f6f764b86b1a3ad33e2c1b66f691c6
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SHA1
7baadaa212daf9fa2ef6646410cf28a8301b9db4
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SHA256
0cc485ab5c00ba95759d821215475fa2ef7d6e682cb53b97a3a7c90dd0d42c3b
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SHA512
64ff433c41803196e88dd4de4825edac36a99a936600db350ac360c96f40532c8544006d6d4cf84c7d09158cf35d5e68995a9f828945fb000fee99081a23281f
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\0cc485ab5c00ba95759d821215475fa2ef7d6e682cb53b97a3a7c90dd0d42c3b.exe"C:\Users\Admin\AppData\Local\Temp\0cc485ab5c00ba95759d821215475fa2ef7d6e682cb53b97a3a7c90dd0d42c3b.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\SopDPdfDSAaSDfgokaDSOpdSFoogFlgkdSMkOSkkFLskeF.sfx.exeSopDPdfDSAaSDfgokaDSOpdSFoogFlgkdSMkOSkkFLskeF.sfx.exe -pSopDPdfDSAaSDfgokaDSOpdSFoogFlgkdSMkOSkkFLskeF.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\SopDPdfDSAaSDfgokaDSOpdSFoogFlgkdSMkOSkkFLskeF.exe"C:\Users\Admin\AppData\Local\Temp\SopDPdfDSAaSDfgokaDSOpdSFoogFlgkdSMkOSkkFLskeF.exe"5⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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