Analysis
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max time kernel
148s -
max time network
153s -
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, 12:34
Behavioral task
behavioral1
Sample
2023-08-26_3387813562a3ecb15c9695d7d63838ea_cobalt-strike_cobaltstrike_JC.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2023-08-26_3387813562a3ecb15c9695d7d63838ea_cobalt-strike_cobaltstrike_JC.dll
Resource
win10v2004-20230915-en
General
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Target
2023-08-26_3387813562a3ecb15c9695d7d63838ea_cobalt-strike_cobaltstrike_JC.dll
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Size
208KB
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MD5
3387813562a3ecb15c9695d7d63838ea
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SHA1
41f8179b785fb78e0900efeefdbae9aaa97d4e58
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SHA256
69a11a096a22fd51630e3f3a93b5a1fbb9c9f86ec8a968ea31457ddecf843f10
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SHA512
224378fc62c9b585de9355a23864de3bb8a1beb84ad6648bb05acf98890987dd089e237b801d51793aa798b13c4124157f1b4d41bb8109e3fa3ba54c470c883f
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SSDEEP
3072:z+FcIvEbJvYdGVWwk4Kj6olpR2B5f4dS/L4jjZUKGf5zw6E:AHEbJAZwBqplpAX/LmjbubE
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 3528 4344 WerFault.exe 81 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeManageVolumePrivilege 4192 svchost.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3748 wrote to memory of 4344 3748 rundll32.exe 81 PID 3748 wrote to memory of 4344 3748 rundll32.exe 81 PID 3748 wrote to memory of 4344 3748 rundll32.exe 81
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2023-08-26_3387813562a3ecb15c9695d7d63838ea_cobalt-strike_cobaltstrike_JC.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3748 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2023-08-26_3387813562a3ecb15c9695d7d63838ea_cobalt-strike_cobaltstrike_JC.dll,#12⤵PID:4344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 6803⤵
- Program crash
PID:3528
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4344 -ip 43441⤵PID:3800
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵PID:3396
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4192