Analysis
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max time kernel
142s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-20230831-en -
resource tags
arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system -
submitted
07-09-2023 19:46
Behavioral task
behavioral1
Sample
2023-08-23_bc79d08dd924f6385a7d0f5fe2143a84_cobalt-strike_cobaltstrike_meterpreter_JC.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2023-08-23_bc79d08dd924f6385a7d0f5fe2143a84_cobalt-strike_cobaltstrike_meterpreter_JC.dll
Resource
win10v2004-20230831-en
General
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Target
2023-08-23_bc79d08dd924f6385a7d0f5fe2143a84_cobalt-strike_cobaltstrike_meterpreter_JC.dll
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Size
203KB
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MD5
bc79d08dd924f6385a7d0f5fe2143a84
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SHA1
2702bb507ddddd2499e7b3c8032e3d0251a146af
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SHA256
8a91a5d6b395eb58411fc11ef64d73721f51bd80d8da193910a690f3e791a16b
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SHA512
be08d6c022c7df07eb072803722099c6e909251e9fd391cd9f12e68c1a52cbfeebb21d4d5e8e844feebf7de66a64f3b5b3e5f4390a8c941932e4a13c730a0550
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SSDEEP
3072:PYaW8qUEflaASmkDs1oo8CUS5D+u73vqQ+z+F62hAxquMfgj5jdUPx589:PFHEfoAaDQoo8CUwxTvhU+F66fgVj
Malware Config
Signatures
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4920 2780 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 1856 wrote to memory of 2780 1856 rundll32.exe rundll32.exe PID 1856 wrote to memory of 2780 1856 rundll32.exe rundll32.exe PID 1856 wrote to memory of 2780 1856 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2023-08-23_bc79d08dd924f6385a7d0f5fe2143a84_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_bc79d08dd924f6385a7d0f5fe2143a84_cobalt-strike_cobaltstrike_meterpreter_JC.dll,#12⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 6323⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2780 -ip 27801⤵