Analysis
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max time kernel
139s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
23-09-2023 11:40
Behavioral task
behavioral1
Sample
2023-08-26_29351f1e6a63bd430094ce1156a72c03_cobalt-strike_cobaltstrike_JC.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2023-08-26_29351f1e6a63bd430094ce1156a72c03_cobalt-strike_cobaltstrike_JC.dll
Resource
win10v2004-20230915-en
General
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Target
2023-08-26_29351f1e6a63bd430094ce1156a72c03_cobalt-strike_cobaltstrike_JC.dll
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Size
208KB
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MD5
29351f1e6a63bd430094ce1156a72c03
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SHA1
fc5aac3031eb9169b903059e347fa58e7c976183
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SHA256
2521c36107a687d21bc17d6603ef51de9daa4e212c3d749b57683ba804e3534d
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SHA512
d2fea0afb7a2df96b6d7eaf0e6cfe9e0e589b628277ee8a908159c0c330277fee9ebec8f7c0c96932ceb08468276697ff40b5cee3183702000838d75fc6c9331
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SSDEEP
3072:z+FcIvEbJvYdGVWwk4Kj6olpR2B5f4dS/L4jjZUWk5Iw6E:AHEbJAZwBqplpAX/Lmj3jbE
Malware Config
Signatures
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1484 3572 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 3944 wrote to memory of 3572 3944 rundll32.exe rundll32.exe PID 3944 wrote to memory of 3572 3944 rundll32.exe rundll32.exe PID 3944 wrote to memory of 3572 3944 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2023-08-26_29351f1e6a63bd430094ce1156a72c03_cobalt-strike_cobaltstrike_JC.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2023-08-26_29351f1e6a63bd430094ce1156a72c03_cobalt-strike_cobaltstrike_JC.dll,#12⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 6803⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3572 -ip 35721⤵