Analysis
- max time kernel
147s - max time network
154s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
02/04/2024, 08:27
General
- Target 9e5865fd21de52ffdfed7301c0542693d1a5a066c49dfb197ddce0acab589b7b.exe
- Size 427KB
- Sample240402-kce9escc65
- SHA256 9e5865fd21de52ffdfed7301c0542693d1a5a066c49dfb197ddce0acab589b7b
Malware Config
Extracted
-
xworm
-
210.246.215.82:7000
-
Install_directory
%ProgramData%
-
install_file
WindowsNT.exe
Signatures
- Detect Xworm Payload 2 IoCs
- Xworm
Xworm is a remote access trojan written in C#.
- 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 5 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
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Downloads
Macro_Easy.exe
s.exe
memory/2780-27-0x00007FFED7FC0000-0x00007FFED8A82000-memory.dmp
memory/2780-2-0x00007FFED7FC0000-0x00007FFED8A82000-memory.dmp
memory/2780-0-0x0000000000720000-0x0000000000790000-memory.dmp
memory/4108-33-0x00007FFED7FC0000-0x00007FFED8A82000-memory.dmp
memory/4108-26-0x00007FFED7FC0000-0x00007FFED8A82000-memory.dmp
memory/4108-31-0x000000001B1B0000-0x000000001B1C0000-memory.dmp
memory/4108-25-0x00000000004D0000-0x000000000052A000-memory.dmp
memory/4164-28-0x0000000074B60000-0x0000000075111000-memory.dmp
memory/4164-29-0x0000000074B60000-0x0000000075111000-memory.dmp
memory/4164-30-0x0000000000920000-0x0000000000930000-memory.dmp
memory/4164-32-0x0000000000920000-0x0000000000930000-memory.dmp
memory/4164-34-0x0000000074B60000-0x0000000075111000-memory.dmp
memory/4164-35-0x0000000074B60000-0x0000000075111000-memory.dmp
memory/4164-36-0x0000000000920000-0x0000000000930000-memory.dmp
memory/4164-37-0x0000000000920000-0x0000000000930000-memory.dmp