Analysis
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max time kernel
148s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
19-03-2022 21:22
General
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Target
13624ffe8cd64d5c30602bf57f83245235e251ba2f92d81a7f7c2d1530c5a309.exe
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Size
737KB
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MD5
549ff20a80778cb9367e1bf98950ed2c
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SHA1
faf24d282d0fe762e9094d77f2c9823490dcc776
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SHA256
13624ffe8cd64d5c30602bf57f83245235e251ba2f92d81a7f7c2d1530c5a309
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SHA512
6e94a4b95b37ead2cac4dea2a23af5f11e02ae450fded489b5af720615e6c4699723105af20979c5c7cc4b11fab2c10717e668bfa09820681d6d77f0eb91f95b
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\13624ffe8cd64d5c30602bf57f83245235e251ba2f92d81a7f7c2d1530c5a309.exe"C:\Users\Admin\AppData\Local\Temp\13624ffe8cd64d5c30602bf57f83245235e251ba2f92d81a7f7c2d1530c5a309.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\SSFoprOgoFejFkSGjDDsSSSsSFPgoSjAgVN.sfx.exeSSFoprOgoFejFkSGjDDsSSSsSFPgoSjAgVN.sfx.exe -pSSFoprOgoFejFkSGjDDsSSSsSFPgoSjAgVN.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\SSFoprOgoFejFkSGjDDsSSSsSFPgoSjAgVN.exe"C:\Users\Admin\AppData\Local\Temp\SSFoprOgoFejFkSGjDDsSSSsSFPgoSjAgVN.exe"5⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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