Analysis
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max time kernel
133s -
max time network
31s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
28-01-2022 19:36
Static task
static1
Behavioral task
behavioral1
Sample
933210a9d19b25e0711ae88eece1ba06bb035a01ab2880cc707ff55bdd3b8dd0.dll
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
933210a9d19b25e0711ae88eece1ba06bb035a01ab2880cc707ff55bdd3b8dd0.dll
Resource
win10-en-20211208
General
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Target
933210a9d19b25e0711ae88eece1ba06bb035a01ab2880cc707ff55bdd3b8dd0.dll
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Size
130KB
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MD5
0b33e34e26c6e53c346517edd3dd9841
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SHA1
cc96c9bf2226aacc5064fed104bc173dc09ddd6b
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SHA256
933210a9d19b25e0711ae88eece1ba06bb035a01ab2880cc707ff55bdd3b8dd0
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SHA512
d58df66c4192d1f734b28a28296d08037fb74fb01bbf6bb3761079850370ffe8288602882142636604ec9cc7d0b89ac9e4fc46fb280cb4fe8c9f23e1c219c4e2
Malware Config
Signatures
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Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
rundll32.exedescription ioc process File opened (read-only) \??\E: rundll32.exe File opened (read-only) \??\K: rundll32.exe File opened (read-only) \??\P: rundll32.exe File opened (read-only) \??\R: rundll32.exe File opened (read-only) \??\W: rundll32.exe File opened (read-only) \??\Y: rundll32.exe File opened (read-only) \??\A: rundll32.exe File opened (read-only) \??\B: rundll32.exe File opened (read-only) \??\F: rundll32.exe File opened (read-only) \??\H: rundll32.exe File opened (read-only) \??\N: rundll32.exe File opened (read-only) \??\S: rundll32.exe File opened (read-only) \??\X: rundll32.exe File opened (read-only) \??\Z: rundll32.exe File opened (read-only) \??\G: rundll32.exe File opened (read-only) \??\L: rundll32.exe File opened (read-only) \??\M: rundll32.exe File opened (read-only) \??\O: rundll32.exe File opened (read-only) \??\U: rundll32.exe File opened (read-only) \??\V: rundll32.exe File opened (read-only) \??\I: rundll32.exe File opened (read-only) \??\J: rundll32.exe File opened (read-only) \??\Q: rundll32.exe File opened (read-only) \??\T: rundll32.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 516 1588 WerFault.exe rundll32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
rundll32.exeWerFault.exepid process 1588 rundll32.exe 1588 rundll32.exe 516 WerFault.exe 516 WerFault.exe 516 WerFault.exe 516 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 516 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 516 WerFault.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1368 wrote to memory of 1588 1368 rundll32.exe rundll32.exe PID 1368 wrote to memory of 1588 1368 rundll32.exe rundll32.exe PID 1368 wrote to memory of 1588 1368 rundll32.exe rundll32.exe PID 1368 wrote to memory of 1588 1368 rundll32.exe rundll32.exe PID 1368 wrote to memory of 1588 1368 rundll32.exe rundll32.exe PID 1368 wrote to memory of 1588 1368 rundll32.exe rundll32.exe PID 1368 wrote to memory of 1588 1368 rundll32.exe rundll32.exe PID 1588 wrote to memory of 516 1588 rundll32.exe WerFault.exe PID 1588 wrote to memory of 516 1588 rundll32.exe WerFault.exe PID 1588 wrote to memory of 516 1588 rundll32.exe WerFault.exe PID 1588 wrote to memory of 516 1588 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\933210a9d19b25e0711ae88eece1ba06bb035a01ab2880cc707ff55bdd3b8dd0.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\933210a9d19b25e0711ae88eece1ba06bb035a01ab2880cc707ff55bdd3b8dd0.dll,#12⤵
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1588 -s 2803⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken