Analysis
- max time kernel
900s - max time network
465s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
03/10/2026, 15:38
General
- Target XWormClient.exe
- Size 41KB
- Sample261003-s24mbaea49
- SHA256 25097d482f95021ae938c34a9e7465b048b1b11dd06110cd59312def641624e6
Malware Config
Extracted
-
xworm
-
5.0
-
sjguezwbi9.localto.net:1679
-
kxA939OzAEItP9dI
-
Install_directory
%AppData%
-
install_file
check3.exe
-
localhost
127.0.0.1
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 IoCs
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\XWormClient.exe"C:\Users\Admin\AppData\Local\Temp\XWormClient.exe"1⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
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C:\Windows\System32\SecurityHealthHost.exe\\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/4852-0-0x00007FF960FDF000-0x00007FF960FE0000-memory.dmp
memory/4852-1-0x00000000002B0000-0x00000000002C0000-memory.dmp
memory/4852-2-0x00007FF960E50000-0x00007FF9617F4000-memory.dmp
memory/4852-3-0x00007FF960E50000-0x00007FF9617F4000-memory.dmp
memory/4852-4-0x00007FF960E50000-0x00007FF9617F4000-memory.dmp
memory/4852-5-0x00007FF960E50000-0x00007FF9617F4000-memory.dmp
memory/4852-6-0x00007FF960E50000-0x00007FF9617F4000-memory.dmp
memory/4852-7-0x00007FF960E50000-0x00007FF9617F4000-memory.dmp
memory/4852-8-0x00007FF960E50000-0x00007FF9617F4000-memory.dmp
memory/4852-9-0x00007FF960E50000-0x00007FF9617F4000-memory.dmp
memory/4852-10-0x00007FF960E50000-0x00007FF9617F4000-memory.dmp
memory/4852-11-0x00007FF960E50000-0x00007FF9617F4000-memory.dmp
memory/4852-12-0x00007FF960E50000-0x00007FF9617F4000-memory.dmp