Analysis
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max time kernel
4s -
max time network
9s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
12-11-2020 13:56
Static task
static1
Behavioral task
behavioral1
Sample
a32821288e4c9ec67ad293f67135d868db184fb8063f0febcceca8d76e198095.dll
Resource
win7v20201028
Behavioral task
behavioral2
Sample
a32821288e4c9ec67ad293f67135d868db184fb8063f0febcceca8d76e198095.dll
Resource
win10v20201028
General
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Target
a32821288e4c9ec67ad293f67135d868db184fb8063f0febcceca8d76e198095.dll
-
Size
244KB
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MD5
ef7cb9b6a3e813fffe9ce5eaf18ca10f
-
SHA1
a3397580a3de6ea2235ac52909832816be701921
-
SHA256
a32821288e4c9ec67ad293f67135d868db184fb8063f0febcceca8d76e198095
-
SHA512
3f9db572a97a1b7c00b3bcb463854e2a27b09cd29b9ff9dc2f2462809f57d4a84dc5b8e031f394b21707b8493558589ee506c80813e67aa182ae9eae60882587
Malware Config
Signatures
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Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1200 904 WerFault.exe rundll32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
WerFault.exepid process 1200 WerFault.exe 1200 WerFault.exe 1200 WerFault.exe 1200 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 1200 WerFault.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1744 wrote to memory of 904 1744 rundll32.exe rundll32.exe PID 1744 wrote to memory of 904 1744 rundll32.exe rundll32.exe PID 1744 wrote to memory of 904 1744 rundll32.exe rundll32.exe PID 1744 wrote to memory of 904 1744 rundll32.exe rundll32.exe PID 1744 wrote to memory of 904 1744 rundll32.exe rundll32.exe PID 1744 wrote to memory of 904 1744 rundll32.exe rundll32.exe PID 1744 wrote to memory of 904 1744 rundll32.exe rundll32.exe PID 904 wrote to memory of 1200 904 rundll32.exe WerFault.exe PID 904 wrote to memory of 1200 904 rundll32.exe WerFault.exe PID 904 wrote to memory of 1200 904 rundll32.exe WerFault.exe PID 904 wrote to memory of 1200 904 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a32821288e4c9ec67ad293f67135d868db184fb8063f0febcceca8d76e198095.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a32821288e4c9ec67ad293f67135d868db184fb8063f0febcceca8d76e198095.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:904 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 1963⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1200
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/904-0-0x0000000000000000-mapping.dmp
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memory/904-3-0x0000000000000000-mapping.dmp
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memory/1200-1-0x0000000000000000-mapping.dmp
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memory/1200-2-0x0000000001F00000-0x0000000001F11000-memory.dmpFilesize
68KB
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memory/1200-4-0x00000000025D0000-0x00000000025E1000-memory.dmpFilesize
68KB