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
11-10-2023 05:49
Behavioral task
behavioral1
Sample
2023-08-26_b4e62e6fd6152ef0c38bb682dbfe96fa_cobalt-strike_cobaltstrike_meterpreter_JC.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2023-08-26_b4e62e6fd6152ef0c38bb682dbfe96fa_cobalt-strike_cobaltstrike_meterpreter_JC.dll
Resource
win10v2004-20230915-en
General
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Target
2023-08-26_b4e62e6fd6152ef0c38bb682dbfe96fa_cobalt-strike_cobaltstrike_meterpreter_JC.dll
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Size
208KB
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MD5
b4e62e6fd6152ef0c38bb682dbfe96fa
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SHA1
fca949d2c42fa43b72f266554f8169ef128b7a35
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SHA256
06dadd6e272350aead7c342bdbe5e06987b9fda584a199082dec69c4d4b4e480
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SHA512
315b677c949def06940e122cfed0aa3fd3a5edb232c2b56499e25ae880b8a3e8bd0d023b696b35c0abad4084d4a14c6e03d5445fe07a301fa3e9d65fb0c6e171
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SSDEEP
3072:LI6CqRCxffkClZ8Ccn7LQlRw6x+Y3CxT2DtK5jdUEJY5K:LIDff9D8C6XYRw6MT2DEjp
Malware Config
Signatures
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2488 2492 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2124 wrote to memory of 2492 2124 rundll32.exe rundll32.exe PID 2124 wrote to memory of 2492 2124 rundll32.exe rundll32.exe PID 2124 wrote to memory of 2492 2124 rundll32.exe rundll32.exe PID 2124 wrote to memory of 2492 2124 rundll32.exe rundll32.exe PID 2124 wrote to memory of 2492 2124 rundll32.exe rundll32.exe PID 2124 wrote to memory of 2492 2124 rundll32.exe rundll32.exe PID 2124 wrote to memory of 2492 2124 rundll32.exe rundll32.exe PID 2492 wrote to memory of 2488 2492 rundll32.exe WerFault.exe PID 2492 wrote to memory of 2488 2492 rundll32.exe WerFault.exe PID 2492 wrote to memory of 2488 2492 rundll32.exe WerFault.exe PID 2492 wrote to memory of 2488 2492 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2023-08-26_b4e62e6fd6152ef0c38bb682dbfe96fa_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\2023-08-26_b4e62e6fd6152ef0c38bb682dbfe96fa_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 2492 -s 2323⤵
- Program crash