Analysis
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max time kernel
174s -
max time network
179s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
07-03-2022 08:19
General
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Target
568d57010dccfb07b197bf77fbdc499c37d8addbc411da6e5725ea20714906cb.exe
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Size
732KB
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MD5
80a78957acf8c76491ec63b609047c13
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SHA1
f9baa60988ce6be300184a38903b353d590b6ded
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SHA256
568d57010dccfb07b197bf77fbdc499c37d8addbc411da6e5725ea20714906cb
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SHA512
3fe59945343eeab85817b03e00a4104458404bd9af7fd467d442ddf8b674365f5b8ddbdca0ca0b1d84a28839b028a9fc6d7efdca664db182544cd6164447cbce
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\568d57010dccfb07b197bf77fbdc499c37d8addbc411da6e5725ea20714906cb.exe"C:\Users\Admin\AppData\Local\Temp\568d57010dccfb07b197bf77fbdc499c37d8addbc411da6e5725ea20714906cb.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\SSSSSSDpDooqaDKoAFpASDFKpklSAFpsSSsSSS.sfx.exeSSSSSSDpDooqaDKoAFpASDFKpklSAFpsSSsSSS.sfx.exe -pSSSSSSDpDooqaDKoAFpASDFKpklSAFpsSSsSSS.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\SSSSSSDpDooqaDKoAFpASDFKpklSAFpsSSsSSS.exe"C:\Users\Admin\AppData\Local\Temp\SSSSSSDpDooqaDKoAFpASDFKpklSAFpsSSsSSS.exe"5⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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