Analysis
- max time kernel
143s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
11/01/2025, 03:05
General
- Target Xworm-5.6/._cache_svchost.exe
- Size 40KB
- Sample250111-dk8sdatlcq
- SHA256 48ca5393cc5f72125e9677a9833e86b4bd65aa4a9c167c6171a2d38359b100d9
Malware Config
Extracted
-
xworm
-
5.0
-
45.141.26.134:7000
-
CcojtGUool4u0Nw2
-
Install_directory
%Userprofile%
-
install_file
svchost.exe
Signatures
- Detect Xworm Payload 2 IoCs
- Xworm
Xworm is a remote access trojan written in C#.
- Xworm family
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\Xworm-5.6\._cache_svchost.exe"C:\Users\Admin\AppData\Local\Temp\Xworm-5.6\._cache_svchost.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\svchost.exe"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\svchost.exeC:\Users\Admin\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\svchost.exeC:\Users\Admin\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\svchost.exeC:\Users\Admin\svchost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
svchost.exe.log
svchost.exe
memory/644-0-0x00007FFB67ED3000-0x00007FFB67ED5000-memory.dmp
memory/644-1-0x0000000000900000-0x0000000000910000-memory.dmp
memory/644-2-0x00007FFB67ED0000-0x00007FFB68991000-memory.dmp
memory/644-4-0x00007FFB67ED3000-0x00007FFB67ED5000-memory.dmp
memory/644-5-0x00007FFB67ED0000-0x00007FFB68991000-memory.dmp
memory/4936-8-0x00007FFB67ED0000-0x00007FFB68991000-memory.dmp
memory/4936-10-0x00007FFB67ED0000-0x00007FFB68991000-memory.dmp