Analysis
- max time kernel
148s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
01/01/2025, 09:43
General
- Target rivalsanticheat.exe
- Size 71KB
- Sample250101-lp2tmatpdn
- SHA256 011c10551a4fa592185fd99631ab98f194282638b3a4c072f386ca3f67509cd9
Malware Config
Extracted
-
xworm
-
jholo.duckdns.org:7777
-
Install_directory
%AppData%
-
install_file
rivalsanticheat.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 2 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 use of AdjustPrivilegeToken 4 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\rivalsanticheat.exe"C:\Users\Admin\AppData\Local\Temp\rivalsanticheat.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "rivalsanticheat" /tr "C:\Users\Admin\AppData\Roaming\rivalsanticheat.exe"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\rivalsanticheat.exeC:\Users\Admin\AppData\Roaming\rivalsanticheat.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\rivalsanticheat.exeC:\Users\Admin\AppData\Roaming\rivalsanticheat.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
rivalsanticheat.exe.log
rivalsanticheat.exe
memory/684-7-0x00007FFC4F9C0000-0x00007FFC50481000-memory.dmp
memory/684-9-0x00007FFC4F9C0000-0x00007FFC50481000-memory.dmp
memory/1324-0-0x00007FFC4F9C3000-0x00007FFC4F9C5000-memory.dmp
memory/1324-1-0x0000000000AB0000-0x0000000000AC8000-memory.dmp
memory/1324-2-0x00007FFC4F9C0000-0x00007FFC50481000-memory.dmp
memory/1324-4-0x00007FFC4F9C0000-0x00007FFC50481000-memory.dmp