Analysis
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max time kernel
129s -
max time network
183s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
01/12/2022, 10:22
Static task
static1
Behavioral task
behavioral1
Sample
6782096df96e79c66161440a1226f01f2b63880eef6356cdd759f6408d28cbfc.dll
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
6782096df96e79c66161440a1226f01f2b63880eef6356cdd759f6408d28cbfc.dll
Resource
win10v2004-20221111-en
General
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Target
6782096df96e79c66161440a1226f01f2b63880eef6356cdd759f6408d28cbfc.dll
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Size
610KB
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MD5
8cd355ccd75ac1b337831911d5a226e4
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SHA1
30a08f5a2b57c59099d54f261fbcfc15b8dc5a8e
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SHA256
6782096df96e79c66161440a1226f01f2b63880eef6356cdd759f6408d28cbfc
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SHA512
1f922771fcb5133bfb1b79ef6e978ce916fe6b1030fadb77a89e49241eefc9164d18a75218890e2260983dcc03e2f4a29159bc7f704bba86844049d19fbcdf94
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SSDEEP
12288:TjG/5NwYkK19iOCr+TMoO30mYn0YaAsGhQHxM5DKTrH5eZQ2x:TjGAK19iOCr+TMoO30mYn0YaAstHxM51
Malware Config
Signatures
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Blocklisted process makes network request 5 IoCs
flow pid Process 3 1496 rundll32.exe 4 1496 rundll32.exe 5 1496 rundll32.exe 6 1496 rundll32.exe 7 1496 rundll32.exe -
Sets DLL path for service in the registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\.Net CaLR\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\6782096df96e79c66161440a1226f01f2b63880eef6356cdd759f6408d28cbfc.dll" rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2004 rundll32.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1816 wrote to memory of 2004 1816 rundll32.exe 28 PID 1816 wrote to memory of 2004 1816 rundll32.exe 28 PID 1816 wrote to memory of 2004 1816 rundll32.exe 28 PID 1816 wrote to memory of 2004 1816 rundll32.exe 28 PID 1816 wrote to memory of 2004 1816 rundll32.exe 28 PID 1816 wrote to memory of 2004 1816 rundll32.exe 28 PID 1816 wrote to memory of 2004 1816 rundll32.exe 28 PID 952 wrote to memory of 1496 952 svchost.exe 30 PID 952 wrote to memory of 1496 952 svchost.exe 30 PID 952 wrote to memory of 1496 952 svchost.exe 30 PID 952 wrote to memory of 1496 952 svchost.exe 30 PID 952 wrote to memory of 1496 952 svchost.exe 30 PID 952 wrote to memory of 1496 952 svchost.exe 30 PID 952 wrote to memory of 1496 952 svchost.exe 30 PID 2004 wrote to memory of 1492 2004 rundll32.exe 31 PID 2004 wrote to memory of 1492 2004 rundll32.exe 31 PID 2004 wrote to memory of 1492 2004 rundll32.exe 31 PID 2004 wrote to memory of 1492 2004 rundll32.exe 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6782096df96e79c66161440a1226f01f2b63880eef6356cdd759f6408d28cbfc.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1816 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6782096df96e79c66161440a1226f01f2b63880eef6356cdd759f6408d28cbfc.dll,#12⤵
- Sets DLL path for service in the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2004 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del "C:\Windows\SysWOW64\rundll32.exe" > nul3⤵PID:1492
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k ".Net CaLR"1⤵
- Suspicious use of WriteProcessMemory
PID:952 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe c:\users\admin\appdata\local\temp\6782096df96e79c66161440a1226f01f2b63880eef6356cdd759f6408d28cbfc.dll, Launch2⤵
- Blocklisted process makes network request
PID:1496
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