Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
21/03/2024, 02:11
General
- Target da6bea50172c88c1d039076c50e98d30.exe
- Size 1.3MB
- Sample240321-cmpxlshd94
- SHA256 c123f17bd52abcacbe551d2835576ea26d225c03524c45c5cc60d8691d988278
Malware Config
Extracted
-
darkcomet
-
80
-
museru.noip.me:82
-
DC_MUTEX-819NYFC
-
gencode
u9sYh90soDtX
-
install
false
-
offline_keylogger
true
-
password
12345678
-
persistence
false
Signatures
- Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- UPX packed file 23 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Uses the VBS compiler for execution 1 TTPs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 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 24 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\da6bea50172c88c1d039076c50e98d30.exe"C:\Users\Admin\AppData\Local\Temp\da6bea50172c88c1d039076c50e98d30.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\XNPtzqtHnqWT.exe"C:\Users\Admin\AppData\Local\Temp\XNPtzqtHnqWT.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\wwHnwwcmiaTKTwMSfrcp.VBS"3⤵
- Adds Run key to start application
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
XNPtzqtHnqWT.exe
wwHnwwcmiaTKTwMSfrcp.VBS
memory/2880-21-0x0000000074B30000-0x00000000750E1000-memory.dmp
memory/2880-17-0x0000000074B30000-0x00000000750E1000-memory.dmp
memory/2880-19-0x0000000001810000-0x0000000001820000-memory.dmp
memory/2880-32-0x0000000074B30000-0x00000000750E1000-memory.dmp
memory/4456-2-0x0000000000F80000-0x0000000000F90000-memory.dmp
memory/4456-16-0x0000000074B30000-0x00000000750E1000-memory.dmp
memory/4456-0-0x0000000074B30000-0x00000000750E1000-memory.dmp
memory/4456-1-0x0000000074B30000-0x00000000750E1000-memory.dmp
memory/4528-35-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-37-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-25-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-28-0x0000000000B10000-0x0000000000B11000-memory.dmp
memory/4528-29-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-30-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-34-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-20-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-23-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-18-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-36-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-24-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-38-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-39-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-40-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-41-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-42-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-43-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-44-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-45-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-46-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-47-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-48-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4528-49-0x0000000000400000-0x00000000004B7000-memory.dmp