Analysis
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max time kernel
150s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
02-12-2024 22:39
Static task
static1
Behavioral task
behavioral1
Sample
67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe
Resource
win7-20240708-en
General
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Target
67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe
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Size
822KB
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MD5
17862e1bb7c4b9fb784867e8c65c2e7b
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SHA1
3bd7ae06e686c2c9c3895c6bde4486628735964e
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SHA256
67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35
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SHA512
ea5f85a8aba818c5f40748bb8d8b9157307d8db2f920519d19b27e143df8f31207a0456b554a88da376f8acddb3b12fb351a3b47a6a26ca4bf3d56ecab614457
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SSDEEP
12288:9x9KMW9cK0ise8kqkvdmWP9Fe4IUGSq6F9e6NI4Avt+Mbi/NR+/C6sV:9x9KMs8yJe4NGSXM0I/vXinOBsV
Malware Config
Extracted
darkcomet
Guest16
xaniar.ddns.net:1604
DC_MUTEX-GC4NGLU
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InstallPath
MSDCSC\windows.exe
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gencode
aZHDx03jSchl
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install
true
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offline_keylogger
true
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password
111
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persistence
false
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reg_key
MicroUpdate
Signatures
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Darkcomet family
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\windows.exe" 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE -
Executes dropped EXE 2 IoCs
pid Process 2628 windows.exe 696 windows.EXE -
Loads dropped DLL 2 IoCs
pid Process 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\windows.exe" 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3032 set thread context of 2760 3032 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe 30 PID 2628 set thread context of 696 2628 windows.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windows.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windows.EXE -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeSecurityPrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeTakeOwnershipPrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeLoadDriverPrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeSystemProfilePrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeSystemtimePrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeProfSingleProcessPrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeIncBasePriorityPrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeCreatePagefilePrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeBackupPrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeRestorePrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeShutdownPrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeDebugPrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeSystemEnvironmentPrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeChangeNotifyPrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeRemoteShutdownPrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeUndockPrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeManageVolumePrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeImpersonatePrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeCreateGlobalPrivilege 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: 33 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: 34 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: 35 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE Token: SeIncreaseQuotaPrivilege 696 windows.EXE Token: SeSecurityPrivilege 696 windows.EXE Token: SeTakeOwnershipPrivilege 696 windows.EXE Token: SeLoadDriverPrivilege 696 windows.EXE Token: SeSystemProfilePrivilege 696 windows.EXE Token: SeSystemtimePrivilege 696 windows.EXE Token: SeProfSingleProcessPrivilege 696 windows.EXE Token: SeIncBasePriorityPrivilege 696 windows.EXE Token: SeCreatePagefilePrivilege 696 windows.EXE Token: SeBackupPrivilege 696 windows.EXE Token: SeRestorePrivilege 696 windows.EXE Token: SeShutdownPrivilege 696 windows.EXE Token: SeDebugPrivilege 696 windows.EXE Token: SeSystemEnvironmentPrivilege 696 windows.EXE Token: SeChangeNotifyPrivilege 696 windows.EXE Token: SeRemoteShutdownPrivilege 696 windows.EXE Token: SeUndockPrivilege 696 windows.EXE Token: SeManageVolumePrivilege 696 windows.EXE Token: SeImpersonatePrivilege 696 windows.EXE Token: SeCreateGlobalPrivilege 696 windows.EXE Token: 33 696 windows.EXE Token: 34 696 windows.EXE Token: 35 696 windows.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3032 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe 2628 windows.exe 696 windows.EXE -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 3032 wrote to memory of 2760 3032 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe 30 PID 3032 wrote to memory of 2760 3032 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe 30 PID 3032 wrote to memory of 2760 3032 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe 30 PID 3032 wrote to memory of 2760 3032 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe 30 PID 3032 wrote to memory of 2760 3032 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe 30 PID 3032 wrote to memory of 2760 3032 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe 30 PID 3032 wrote to memory of 2760 3032 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe 30 PID 3032 wrote to memory of 2760 3032 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe 30 PID 3032 wrote to memory of 2760 3032 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe 30 PID 3032 wrote to memory of 2760 3032 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe 30 PID 3032 wrote to memory of 2760 3032 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe 30 PID 3032 wrote to memory of 2760 3032 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe 30 PID 3032 wrote to memory of 2760 3032 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe 30 PID 2760 wrote to memory of 2628 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE 31 PID 2760 wrote to memory of 2628 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE 31 PID 2760 wrote to memory of 2628 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE 31 PID 2760 wrote to memory of 2628 2760 67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE 31 PID 2628 wrote to memory of 696 2628 windows.exe 32 PID 2628 wrote to memory of 696 2628 windows.exe 32 PID 2628 wrote to memory of 696 2628 windows.exe 32 PID 2628 wrote to memory of 696 2628 windows.exe 32 PID 2628 wrote to memory of 696 2628 windows.exe 32 PID 2628 wrote to memory of 696 2628 windows.exe 32 PID 2628 wrote to memory of 696 2628 windows.exe 32 PID 2628 wrote to memory of 696 2628 windows.exe 32 PID 2628 wrote to memory of 696 2628 windows.exe 32 PID 2628 wrote to memory of 696 2628 windows.exe 32 PID 2628 wrote to memory of 696 2628 windows.exe 32 PID 2628 wrote to memory of 696 2628 windows.exe 32 PID 2628 wrote to memory of 696 2628 windows.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe"C:\Users\Admin\AppData\Local\Temp\67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Users\Admin\AppData\Local\Temp\67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE"C:\Users\Admin\AppData\Local\Temp\67278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35.EXE"2⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\Users\Admin\Documents\MSDCSC\windows.exe"C:\Users\Admin\Documents\MSDCSC\windows.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Users\Admin\Documents\MSDCSC\windows.EXE"C:\Users\Admin\Documents\MSDCSC\windows.EXE"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:696
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
822KB
MD517862e1bb7c4b9fb784867e8c65c2e7b
SHA13bd7ae06e686c2c9c3895c6bde4486628735964e
SHA25667278e924fbf238c50afb940de4e6ada4a59d31e4a1426f0dc55fcbc861f9f35
SHA512ea5f85a8aba818c5f40748bb8d8b9157307d8db2f920519d19b27e143df8f31207a0456b554a88da376f8acddb3b12fb351a3b47a6a26ca4bf3d56ecab614457