Analysis
- max time kernel
150s - max time network
119s - platform
windows7_x64 - resource
win7-20240611-en - resource tags
- submitted
29/06/2024, 02:06
General
- Target 17a6cf62409d259d281c82ae00259d66.exe
- Size 700KB
- Sample240629-cjst4aydmc
- SHA256 1ccaafea3b64fe2c5e7859d550ade584d93e7bdc28472317022693456c6f2c64
Malware Config
Extracted
-
darkcomet
-
åååååååååå
-
ogdd.servemp3.com:4433
-
DC_MUTEX-LGYC4QH
-
InstallPath
MSDCSC\msdcsc.exe
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gencode
7UYk2EHbmDiQ
-
install
true
-
offline_keylogger
true
-
persistence
true
-
reg_key
MicroUpdate
Signatures
- Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- Drops file in Drivers directory 1 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 3 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 46 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 34 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\17a6cf62409d259d281c82ae00259d66.exe"C:\Users\Admin\AppData\Local\Temp\17a6cf62409d259d281c82ae00259d66.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\17a6cf62409d259d281c82ae00259d66.exe"C:\Users\Admin\AppData\Local\Temp\17a6cf62409d259d281c82ae00259d66.exe"2⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
msdcsc.exe
memory/2396-68-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2396-24-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2396-23-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2396-22-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2396-21-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2396-20-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-79-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-78-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-76-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-75-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-74-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-73-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-72-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-71-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-70-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-77-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-65-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-63-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-80-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-81-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-82-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-83-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-84-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-66-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-67-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2724-64-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2844-16-0x0000000000370000-0x0000000000380000-memory.dmp
memory/2844-1-0x0000000000230000-0x0000000000240000-memory.dmp
memory/2844-10-0x0000000000310000-0x0000000000320000-memory.dmp
memory/2844-9-0x0000000000300000-0x0000000000310000-memory.dmp
memory/2844-8-0x00000000002F0000-0x0000000000300000-memory.dmp
memory/2844-7-0x00000000002E0000-0x00000000002F0000-memory.dmp
memory/2844-6-0x00000000002D0000-0x00000000002E0000-memory.dmp
memory/2844-5-0x00000000002C0000-0x00000000002D0000-memory.dmp
memory/2844-4-0x0000000000260000-0x0000000000270000-memory.dmp
memory/2844-3-0x0000000000250000-0x0000000000260000-memory.dmp
memory/2844-2-0x0000000000240000-0x0000000000250000-memory.dmp
memory/2844-0-0x0000000000220000-0x0000000000230000-memory.dmp
memory/2844-15-0x0000000000360000-0x0000000000370000-memory.dmp
memory/2844-17-0x0000000000390000-0x00000000003A0000-memory.dmp
memory/2844-11-0x0000000000320000-0x0000000000330000-memory.dmp
memory/2844-12-0x0000000000330000-0x0000000000340000-memory.dmp
memory/2844-14-0x0000000000350000-0x0000000000360000-memory.dmp
memory/2844-13-0x0000000000340000-0x0000000000350000-memory.dmp
memory/3000-48-0x0000000000480000-0x0000000000490000-memory.dmp
memory/3000-42-0x0000000000420000-0x0000000000430000-memory.dmp
memory/3000-45-0x0000000000450000-0x0000000000460000-memory.dmp
memory/3000-44-0x0000000000440000-0x0000000000450000-memory.dmp
memory/3000-43-0x0000000000430000-0x0000000000440000-memory.dmp
memory/3000-41-0x0000000000410000-0x0000000000420000-memory.dmp
memory/3000-51-0x00000000004B0000-0x00000000004C0000-memory.dmp
memory/3000-47-0x0000000000470000-0x0000000000480000-memory.dmp
memory/3000-46-0x0000000000460000-0x0000000000470000-memory.dmp
memory/3000-52-0x00000000004C0000-0x00000000004D0000-memory.dmp
memory/3000-53-0x00000000004D0000-0x00000000004E0000-memory.dmp
memory/3000-54-0x00000000004E0000-0x00000000004F0000-memory.dmp
memory/3000-50-0x00000000004A0000-0x00000000004B0000-memory.dmp
memory/3000-49-0x0000000000490000-0x00000000004A0000-memory.dmp