Analysis
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max time kernel
9s -
max time network
15s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
12-11-2020 13:50
Static task
static1
Behavioral task
behavioral1
Sample
7cd57ffb39c4dd953e8963ce4a3efe7f8c746fe818cd1fc1010ae90f818130e8.dll
Resource
win7v20201028
Behavioral task
behavioral2
Sample
7cd57ffb39c4dd953e8963ce4a3efe7f8c746fe818cd1fc1010ae90f818130e8.dll
Resource
win10v20201028
General
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Target
7cd57ffb39c4dd953e8963ce4a3efe7f8c746fe818cd1fc1010ae90f818130e8.dll
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Size
199KB
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MD5
1c90d601ceb9064f920d1eb73940aeea
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SHA1
79e3eeb484dfde1707d9fa3f9bc8194309a5950b
-
SHA256
7cd57ffb39c4dd953e8963ce4a3efe7f8c746fe818cd1fc1010ae90f818130e8
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SHA512
fc42a1b063509ee0bf7dceca1f750f72655d747939bb7944e11eb10da5e043c8f552555cf48e3c3e949a094f6c585c6b3db623faa7a804570744b2aa794e2717
Malware Config
Signatures
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Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1256 1244 WerFault.exe rundll32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
WerFault.exepid process 1256 WerFault.exe 1256 WerFault.exe 1256 WerFault.exe 1256 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 1256 WerFault.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1816 wrote to memory of 1244 1816 rundll32.exe rundll32.exe PID 1816 wrote to memory of 1244 1816 rundll32.exe rundll32.exe PID 1816 wrote to memory of 1244 1816 rundll32.exe rundll32.exe PID 1816 wrote to memory of 1244 1816 rundll32.exe rundll32.exe PID 1816 wrote to memory of 1244 1816 rundll32.exe rundll32.exe PID 1816 wrote to memory of 1244 1816 rundll32.exe rundll32.exe PID 1816 wrote to memory of 1244 1816 rundll32.exe rundll32.exe PID 1244 wrote to memory of 1256 1244 rundll32.exe WerFault.exe PID 1244 wrote to memory of 1256 1244 rundll32.exe WerFault.exe PID 1244 wrote to memory of 1256 1244 rundll32.exe WerFault.exe PID 1244 wrote to memory of 1256 1244 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\7cd57ffb39c4dd953e8963ce4a3efe7f8c746fe818cd1fc1010ae90f818130e8.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1816 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\7cd57ffb39c4dd953e8963ce4a3efe7f8c746fe818cd1fc1010ae90f818130e8.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1244 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 2243⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1256
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/1244-0-0x0000000000000000-mapping.dmp
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memory/1244-3-0x0000000000000000-mapping.dmp
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memory/1256-1-0x0000000000000000-mapping.dmp
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memory/1256-2-0x0000000002010000-0x0000000002021000-memory.dmpFilesize
68KB
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memory/1256-4-0x00000000024D0000-0x00000000024E1000-memory.dmpFilesize
68KB