Analysis
- max time kernel
149s - max time network
122s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
30/10/2026, 07:29
General
- Target 904379458934.JS.js
- Size 2.4MB
- Sample261030-jbe2laxsbx
- SHA256 4dcfd3d9646adabd5f4a444deea0085ddf86ae0c401e72e283352890b5329c83
Malware Config
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 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.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Program crash 1 IoCs
- 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.
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- NTFS ADS 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\904379458934.JS.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c echo. > "C:\Users\Admin\AppData\Local\Temp\904379458934.JS.js:Zone.Identifier"2⤵
- Executes a command shell one-liner
- NTFS ADS
-
-
C:\Users\Admin\Documents\ARMDQFZGJGCVJRQK.exe"C:\Users\Admin\Documents\ARMDQFZGJGCVJRQK.exe" C:\Users\Admin\Documents\KQRJVCGJGZFQDMRA2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 14963⤵
- Program crash
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1700 -ip 17001⤵
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2JavaScript
1Windows Command Shell
1Replay Monitor
Loading Replay Monitor...
Downloads
ARMDQFZGJGCVJRQK.exe
KQRJVCGJGZFQDMRA
memory/1700-10-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-11-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-12-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-13-0x0000000000860000-0x0000000000861000-memory.dmp
memory/1700-14-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-15-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-16-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-18-0x0000000000870000-0x0000000000871000-memory.dmp
memory/1700-17-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-20-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-19-0x0000000000880000-0x0000000000881000-memory.dmp
memory/1700-21-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-22-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-25-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-35-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-34-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-33-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-32-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-31-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-30-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-29-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-73-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-72-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-71-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-70-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-69-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-68-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-67-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-66-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-65-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-64-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-63-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-62-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-61-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-60-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-59-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-58-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-57-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-56-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-55-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-54-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-53-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-52-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-51-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-50-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-49-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-48-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-47-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-46-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-45-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-44-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-43-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-42-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-41-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-40-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-39-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-38-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-37-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-36-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-28-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-27-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-26-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-24-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-23-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1700-154-0x0000000029900000-0x0000000029910000-memory.dmp
memory/1700-155-0x0000000027020000-0x0000000027030000-memory.dmp
memory/1700-156-0x0000000029900000-0x0000000029910000-memory.dmp
memory/1700-157-0x0000000029800000-0x000000002989C000-memory.dmp
memory/1700-158-0x0000000029910000-0x0000000029976000-memory.dmp
memory/1700-159-0x0000000029900000-0x0000000029910000-memory.dmp