Analysis
- max time kernel
120s - max time network
118s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
19/10/2024, 22:50
General
- Target 168d2bb706157fa1f41824f8ab3c8cac5468a846aafc1118b8ff183c2457bb61N.exe
- Size 391KB
- Sample241019-2seq9stere
- SHA256 168d2bb706157fa1f41824f8ab3c8cac5468a846aafc1118b8ff183c2457bb61
Malware Config
Extracted
-
darkcomet
-
Guest16
-
delaye76.no-ip.biz:1604
-
DC_MUTEX-1S484EP
-
InstallPath
MSDCSC\msdcsc.exe
-
gencode
Jcne53J3qPl9
-
install
true
-
offline_keylogger
true
-
persistence
true
-
reg_key
����������.b
Signatures
- Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- UPX packed file 24 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Suspicious use of AdjustPrivilegeToken 50 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\168d2bb706157fa1f41824f8ab3c8cac5468a846aafc1118b8ff183c2457bb61N.exe"C:\Users\Admin\AppData\Local\Temp\168d2bb706157fa1f41824f8ab3c8cac5468a846aafc1118b8ff183c2457bb61N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\168d2bb706157fa1f41824f8ab3c8cac5468a846aafc1118b8ff183c2457bb61N.exeC:\Users\Admin\AppData\Local\Temp\168d2bb706157fa1f41824f8ab3c8cac5468a846aafc1118b8ff183c2457bb61N.exe2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- 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
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\Documents\MSDCSC\msdcsc.exeC:\Users\Admin\Documents\MSDCSC\msdcsc.exe4⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
-
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
msdcsc.exe
memory/1744-49-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1744-47-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1744-54-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1744-53-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1744-52-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1744-51-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1744-50-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1744-38-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1744-55-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1744-46-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1744-48-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1744-45-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1744-56-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1744-44-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1744-36-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1744-37-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1744-39-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4056-40-0x00000000743D0000-0x0000000074B80000-memory.dmp
memory/4056-28-0x0000000000400000-0x000000000046A000-memory.dmp
memory/4056-29-0x00000000743D0000-0x0000000074B80000-memory.dmp
memory/4056-27-0x00000000743DE000-0x00000000743DF000-memory.dmp
memory/4448-11-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4448-43-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4448-6-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4448-9-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4448-12-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4448-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4448-14-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4452-13-0x0000000075230000-0x00000000759E0000-memory.dmp
memory/4452-0-0x000000007523E000-0x000000007523F000-memory.dmp
memory/4452-5-0x0000000005270000-0x000000000530C000-memory.dmp
memory/4452-4-0x0000000075230000-0x00000000759E0000-memory.dmp
memory/4452-3-0x00000000049C0000-0x0000000004AD4000-memory.dmp
memory/4452-2-0x0000000004AF0000-0x0000000005094000-memory.dmp
memory/4452-1-0x0000000000400000-0x000000000046A000-memory.dmp