Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
13/07/2024, 17:23
General
- Target 42a356666df8a9e0df68011915aaf00c_JaffaCakes118.exe
- Size 596KB
- Sample240713-vygpgsscrd
- SHA256 5593d6e49f631f8c5b0a632aceb3f3a5c79bb9d5b5902e95a3a8f448c78d928b
Malware Config
Extracted
-
darkcomet
-
Guest16
-
loveayada.zapto.org:82
-
DC_MUTEX-QLHXCM9
-
InstallPath
MSDCSC\msdcsc.exe
-
gencode
t4ncNQbXdKme
-
install
true
-
offline_keylogger
true
-
password
ayada
-
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
- Modifies firewall policy service 3 TTPs 3 IoCs
- Modifies security service 2 TTPs 1 IoCs
- Windows security bypass 2 TTPs 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- UPX packed file 25 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Windows security modification 2 TTPs 2 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).
- Modifies registry class 1 IoCs
- Suspicious use of AdjustPrivilegeToken 48 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
- System policy modification 1 TTPs 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\42a356666df8a9e0df68011915aaf00c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\42a356666df8a9e0df68011915aaf00c_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\42a356666df8a9e0df68011915aaf00c_JaffaCakes118.exe2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- 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
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe4⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
-
-
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Replay Monitor
Loading Replay Monitor...
Downloads
msdcsc.exe
memory/1628-69-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1628-136-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1628-75-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1628-71-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1628-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2736-38-0x0000000002D10000-0x0000000002D11000-memory.dmp
memory/2736-26-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-58-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-56-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-55-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-53-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-52-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-51-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-50-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-49-0x0000000002CA0000-0x0000000002CA1000-memory.dmp
memory/2736-47-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-13-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-45-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-44-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-43-0x0000000002D40000-0x0000000002D41000-memory.dmp
memory/2736-41-0x0000000002D30000-0x0000000002D31000-memory.dmp
memory/2736-40-0x0000000002CF0000-0x0000000002CF1000-memory.dmp
memory/2736-39-0x0000000002D00000-0x0000000002D01000-memory.dmp
memory/2736-0-0x0000000000400000-0x000000000055E000-memory.dmp
memory/2736-37-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-36-0x0000000002CD0000-0x0000000002CD1000-memory.dmp
memory/2736-35-0x0000000002C80000-0x0000000002C81000-memory.dmp
memory/2736-34-0x0000000002CB0000-0x0000000002CB1000-memory.dmp
memory/2736-33-0x0000000002C40000-0x0000000002C41000-memory.dmp
memory/2736-32-0x0000000002C50000-0x0000000002C51000-memory.dmp
memory/2736-31-0x0000000002C60000-0x0000000002C61000-memory.dmp
memory/2736-30-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-29-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-28-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-27-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-14-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-66-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-68-0x0000000000820000-0x0000000000821000-memory.dmp
memory/2736-67-0x0000000000700000-0x0000000000701000-memory.dmp
memory/2736-25-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-24-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-23-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-22-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-21-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-20-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-19-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-18-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-17-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-16-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-59-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-15-0x0000000002480000-0x0000000002481000-memory.dmp
memory/2736-46-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-12-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-11-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-10-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-9-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-8-0x00000000024D0000-0x00000000024D1000-memory.dmp
memory/2736-7-0x00000000024B0000-0x00000000024B1000-memory.dmp
memory/2736-6-0x00000000024C0000-0x00000000024C1000-memory.dmp
memory/2736-5-0x0000000000870000-0x0000000000871000-memory.dmp
memory/2736-4-0x0000000000830000-0x0000000000831000-memory.dmp
memory/2736-3-0x0000000000840000-0x0000000000841000-memory.dmp
memory/2736-54-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-48-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-42-0x0000000003AF0000-0x0000000003AF1000-memory.dmp
memory/2736-2-0x0000000000850000-0x0000000000851000-memory.dmp
memory/2736-60-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-61-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-62-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-73-0x0000000000400000-0x000000000055E000-memory.dmp
memory/2736-74-0x0000000000880000-0x00000000008DA000-memory.dmp
memory/2736-63-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-57-0x0000000003AE0000-0x0000000003AE1000-memory.dmp
memory/2736-1-0x0000000000880000-0x00000000008DA000-memory.dmp
memory/2812-147-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-148-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-144-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-163-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-145-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-149-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-153-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-152-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-150-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-154-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-143-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-151-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-162-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-155-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-156-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-157-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-158-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-159-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-160-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2812-161-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3076-137-0x0000000000400000-0x000000000055E000-memory.dmp
memory/3076-146-0x0000000000400000-0x000000000055E000-memory.dmp