Analysis
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max time kernel
122s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
31-10-2023 18:04
Behavioral task
behavioral1
Sample
NEAS.2023-09-08_cb1027b42acff35113f28f35ec66a20a_cobalt-strike_cobaltstrike_meterpreter_JC.dll
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.2023-09-08_cb1027b42acff35113f28f35ec66a20a_cobalt-strike_cobaltstrike_meterpreter_JC.dll
Resource
win10v2004-20231023-en
General
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Target
NEAS.2023-09-08_cb1027b42acff35113f28f35ec66a20a_cobalt-strike_cobaltstrike_meterpreter_JC.dll
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Size
208KB
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MD5
cb1027b42acff35113f28f35ec66a20a
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SHA1
b12cc3446390835e8cd8e7ae105c11fa0bf41534
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SHA256
6170520c214de6d208bd57f5bd3cf860403bd36b994bdb3841f8633143e9ecd2
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SHA512
98192d9345586bf321d5a5208e1f03bf7360c4d2df05ba89a59769b017e721d18c254639d04be1a4409e520bca3b5ef8294c02e910b38e0af33ed63da5b59cb0
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SSDEEP
3072:LI6CqRCxffkClZ8Ccn7LQlRw6x+Y3CxT2DtK5jdU5Y5c:LIDff9D8C6XYRw6MT2DEj
Malware Config
Signatures
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2436 2116 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2040 wrote to memory of 2116 2040 rundll32.exe rundll32.exe PID 2040 wrote to memory of 2116 2040 rundll32.exe rundll32.exe PID 2040 wrote to memory of 2116 2040 rundll32.exe rundll32.exe PID 2040 wrote to memory of 2116 2040 rundll32.exe rundll32.exe PID 2040 wrote to memory of 2116 2040 rundll32.exe rundll32.exe PID 2040 wrote to memory of 2116 2040 rundll32.exe rundll32.exe PID 2040 wrote to memory of 2116 2040 rundll32.exe rundll32.exe PID 2116 wrote to memory of 2436 2116 rundll32.exe WerFault.exe PID 2116 wrote to memory of 2436 2116 rundll32.exe WerFault.exe PID 2116 wrote to memory of 2436 2116 rundll32.exe WerFault.exe PID 2116 wrote to memory of 2436 2116 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-08_cb1027b42acff35113f28f35ec66a20a_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\NEAS.2023-09-08_cb1027b42acff35113f28f35ec66a20a_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 2116 -s 2323⤵
- Program crash