Analysis
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max time kernel
119s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
08-09-2023 11:33
Behavioral task
behavioral1
Sample
2023-08-23_d12d9bcdb6f25681c8b84907e440f5ab_cobalt-strike_cobaltstrike_meterpreter_JC.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2023-08-23_d12d9bcdb6f25681c8b84907e440f5ab_cobalt-strike_cobaltstrike_meterpreter_JC.dll
Resource
win10v2004-20230831-en
General
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Target
2023-08-23_d12d9bcdb6f25681c8b84907e440f5ab_cobalt-strike_cobaltstrike_meterpreter_JC.dll
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Size
203KB
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MD5
d12d9bcdb6f25681c8b84907e440f5ab
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SHA1
a83407324e2f5c70c7fb9e9c03869942bddc3b5f
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SHA256
4a8862d41d74bb81df8aaad2664922e2afc22b0cbfe682894441f7ddbf07f30a
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SHA512
02ae948f4744f22d0e9543b24774c5ff8bbd9f60e9d7f7f1debb1aa5ce051afbb4dc95340aa3428164a430fc448f11383f197b56a0b25edac2780de8f4603390
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SSDEEP
3072:PYaW8qUEflaASmkDs1oo8CUS5D+u73vqQ+z+F62hAxquMfgj5jdUH57R:PFHEfoAaDQoo8CUwxTvhU+F66fgVj
Malware Config
Signatures
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2308 1736 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2932 wrote to memory of 1736 2932 rundll32.exe rundll32.exe PID 2932 wrote to memory of 1736 2932 rundll32.exe rundll32.exe PID 2932 wrote to memory of 1736 2932 rundll32.exe rundll32.exe PID 2932 wrote to memory of 1736 2932 rundll32.exe rundll32.exe PID 2932 wrote to memory of 1736 2932 rundll32.exe rundll32.exe PID 2932 wrote to memory of 1736 2932 rundll32.exe rundll32.exe PID 2932 wrote to memory of 1736 2932 rundll32.exe rundll32.exe PID 1736 wrote to memory of 2308 1736 rundll32.exe WerFault.exe PID 1736 wrote to memory of 2308 1736 rundll32.exe WerFault.exe PID 1736 wrote to memory of 2308 1736 rundll32.exe WerFault.exe PID 1736 wrote to memory of 2308 1736 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2023-08-23_d12d9bcdb6f25681c8b84907e440f5ab_cobalt-strike_cobaltstrike_meterpreter_JC.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2023-08-23_d12d9bcdb6f25681c8b84907e440f5ab_cobalt-strike_cobaltstrike_meterpreter_JC.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1736 -s 2323⤵
- Program crash