Analysis
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max time kernel
183s -
max time network
186s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2022 15:40
Static task
static1
Behavioral task
behavioral1
Sample
7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe
Resource
win10v2004-20220812-en
General
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Target
7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe
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Size
587KB
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MD5
76ecab3fa165c8b446cd0de5e9009ec0
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SHA1
429af4beb3a3da790c53b013f8b48efb4ff8c2d1
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SHA256
7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384
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SHA512
48f0beb1440c7babebc1e463d2785bccdc28db417eddaa31d38d716fa643cce99e35704bff9d5a7e211b38e4e81f03ca692675258aa7d3525f427e8bd4393458
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SSDEEP
12288:M5WhWc8LTfQOts3Ljn680bItwsp9ccBuyzyaB1VEUR:M7LTknn6ZbItn7ccnWaB1VZ
Malware Config
Extracted
darkcomet
Victime
cocohack2.ddns.net:84
DC_MUTEX-RWNPZNT
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gencode
hePlLnZsUypb
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install
false
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offline_keylogger
true
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persistence
false
Signatures
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Uses the VBS compiler for execution 1 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows update = "C:\\Users\\Admin\\AppData\\Roaming\\Windows update\\j4x67y2eC5tA.exe" 7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exedescription pid process target process PID 4800 set thread context of 4112 4800 7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exepid process 4800 7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe 4800 7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe -
Suspicious use of AdjustPrivilegeToken 25 IoCs
Processes:
7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exevbc.exedescription pid process Token: SeDebugPrivilege 4800 7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe Token: SeIncreaseQuotaPrivilege 4112 vbc.exe Token: SeSecurityPrivilege 4112 vbc.exe Token: SeTakeOwnershipPrivilege 4112 vbc.exe Token: SeLoadDriverPrivilege 4112 vbc.exe Token: SeSystemProfilePrivilege 4112 vbc.exe Token: SeSystemtimePrivilege 4112 vbc.exe Token: SeProfSingleProcessPrivilege 4112 vbc.exe Token: SeIncBasePriorityPrivilege 4112 vbc.exe Token: SeCreatePagefilePrivilege 4112 vbc.exe Token: SeBackupPrivilege 4112 vbc.exe Token: SeRestorePrivilege 4112 vbc.exe Token: SeShutdownPrivilege 4112 vbc.exe Token: SeDebugPrivilege 4112 vbc.exe Token: SeSystemEnvironmentPrivilege 4112 vbc.exe Token: SeChangeNotifyPrivilege 4112 vbc.exe Token: SeRemoteShutdownPrivilege 4112 vbc.exe Token: SeUndockPrivilege 4112 vbc.exe Token: SeManageVolumePrivilege 4112 vbc.exe Token: SeImpersonatePrivilege 4112 vbc.exe Token: SeCreateGlobalPrivilege 4112 vbc.exe Token: 33 4112 vbc.exe Token: 34 4112 vbc.exe Token: 35 4112 vbc.exe Token: 36 4112 vbc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
vbc.exepid process 4112 vbc.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exedescription pid process target process PID 4800 wrote to memory of 4112 4800 7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe vbc.exe PID 4800 wrote to memory of 4112 4800 7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe vbc.exe PID 4800 wrote to memory of 4112 4800 7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe vbc.exe PID 4800 wrote to memory of 4112 4800 7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe vbc.exe PID 4800 wrote to memory of 4112 4800 7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe vbc.exe PID 4800 wrote to memory of 4112 4800 7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe vbc.exe PID 4800 wrote to memory of 4112 4800 7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe vbc.exe PID 4800 wrote to memory of 4112 4800 7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe vbc.exe PID 4800 wrote to memory of 4112 4800 7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe vbc.exe PID 4800 wrote to memory of 4112 4800 7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe vbc.exe PID 4800 wrote to memory of 4112 4800 7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe vbc.exe PID 4800 wrote to memory of 4112 4800 7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe"C:\Users\Admin\AppData\Local\Temp\7ebbb8104150be68eae24f47a73022722945f3167d3811155991838427570384.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/4112-134-0x0000000000000000-mapping.dmp
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memory/4112-135-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
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memory/4112-136-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
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memory/4112-137-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
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memory/4112-139-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
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memory/4112-140-0x0000000000400000-0x00000000004B2000-memory.dmpFilesize
712KB
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memory/4800-132-0x0000000074E80000-0x0000000075431000-memory.dmpFilesize
5.7MB
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memory/4800-133-0x0000000074E80000-0x0000000075431000-memory.dmpFilesize
5.7MB
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memory/4800-138-0x0000000074E80000-0x0000000075431000-memory.dmpFilesize
5.7MB