Analysis
- max time kernel
120s - max time network
121s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
03/04/2024, 01:37
General
- Target 9e5865fd21de52ffdfed7301c0542693d1a5a066c49dfb197ddce0acab589b7b.exe
- Size 427KB
- Sample240403-b13vyscc53
- SHA256 9e5865fd21de52ffdfed7301c0542693d1a5a066c49dfb197ddce0acab589b7b
Malware Config
Extracted
-
xworm
-
210.246.215.82:7000
-
Install_directory
%ProgramData%
-
install_file
WindowsNT.exe
Signatures
- Detect Xworm Payload 3 IoCs
- Xworm
Xworm is a remote access trojan written in C#.
- Detects Windows executables referencing non-Windows User-Agents 3 IoCs
- 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).
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9e5865fd21de52ffdfed7301c0542693d1a5a066c49dfb197ddce0acab589b7b.exe"C:\Users\Admin\AppData\Local\Temp\9e5865fd21de52ffdfed7301c0542693d1a5a066c49dfb197ddce0acab589b7b.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\Macro_Easy.exe"C:\ProgramData\Macro_Easy.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
-
-
C:\ProgramData\s.exe"C:\ProgramData\s.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Macro_Easy.exe
s.exe
memory/2004-19-0x0000000000C20000-0x0000000000C60000-memory.dmp
memory/2004-25-0x0000000000C20000-0x0000000000C60000-memory.dmp
memory/2004-24-0x0000000000C20000-0x0000000000C60000-memory.dmp
memory/2004-23-0x0000000000C20000-0x0000000000C60000-memory.dmp
memory/2004-22-0x0000000074710000-0x0000000074CBB000-memory.dmp
memory/2004-16-0x0000000074710000-0x0000000074CBB000-memory.dmp
memory/2004-17-0x0000000074710000-0x0000000074CBB000-memory.dmp
memory/2004-18-0x0000000000C20000-0x0000000000C60000-memory.dmp
memory/2524-13-0x000007FEF5A30000-0x000007FEF641C000-memory.dmp
memory/2524-0-0x0000000000260000-0x00000000002D0000-memory.dmp
memory/2524-1-0x000007FEF5A30000-0x000007FEF641C000-memory.dmp
memory/3060-20-0x000000001B130000-0x000000001B1B0000-memory.dmp
memory/3060-21-0x000007FEF5A30000-0x000007FEF641C000-memory.dmp
memory/3060-15-0x00000000003C0000-0x000000000041A000-memory.dmp
memory/3060-14-0x000007FEF5A30000-0x000007FEF641C000-memory.dmp