Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
01/03/2024, 04:03
General
- Target b047298429343f88760520a85955bc4e.exe
- Size 1.2MB
- Sample240301-emrgjscd88
- SHA256 c4b3d1247b805af8c8417678a163a8e523e22410c6fd5e9ca2b472840850581e
Malware Config
Signatures
- Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
- Checks BIOS information in registry 2 TTPs 3 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 12 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b047298429343f88760520a85955bc4e.exe"C:\Users\Admin\AppData\Local\Temp\b047298429343f88760520a85955bc4e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\b047298429343f88760520a85955bc4e.exeC:\Users\Admin\AppData\Local\Temp\b047298429343f88760520a85955bc4e.exe2⤵
- Checks BIOS information in registry
- Checks computer location settings
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\TESTSERVER.EXE"C:\Users\Admin\AppData\Local\Temp\TESTSERVER.EXE"3⤵
- Checks BIOS information in registry
- Executes dropped EXE
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\TESTSERVER.EXE"C:\Users\Admin\AppData\Local\Temp\TESTSERVER.EXE"3⤵
- Checks BIOS information in registry
- Executes dropped EXE
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
TESTSERVER.EXE
memory/1452-1-0x0000000000400000-0x0000000000545000-memory.dmp
memory/3412-18-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3412-17-0x0000000002190000-0x0000000002191000-memory.dmp
memory/3636-20-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-23-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-5-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-4-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-49-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-3-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-2-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-19-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-35-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-21-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-47-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-6-0x0000000002450000-0x0000000002451000-memory.dmp
memory/3636-24-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-45-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-43-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-27-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-0-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-29-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-41-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-31-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-39-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-33-0x0000000000400000-0x000000000054E000-memory.dmp
memory/3636-37-0x0000000000400000-0x000000000054E000-memory.dmp
memory/4112-28-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/4112-36-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/4112-34-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/4112-38-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/4112-32-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/4112-40-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/4112-30-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/4112-42-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/4112-26-0x00000000005E0000-0x00000000005E1000-memory.dmp
memory/4112-44-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/4112-25-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/4112-46-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/4112-22-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/4112-48-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/4112-15-0x00000000005E0000-0x00000000005E1000-memory.dmp
memory/4112-50-0x0000000000400000-0x00000000004B0000-memory.dmp