Analysis
- max time kernel
150s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
25/09/2026, 12:53
General
- Target 57139_REVB_25-Mar-2024.js
- Size 75KB
- Sample260925-p44tbaec56
- SHA256 1260cc0f823f61271a535ecdb4c1deb6d2de5f3bd8e4bfc3128e1347bba5fc7a
Malware Config
Extracted
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xworm
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5.0
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46.151.182.34:7007
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cqxaS0bvODBQjP8M
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install_file
USB.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 IoCs
- Executes dropped EXE 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 13 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.
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\57139_REVB_25-Mar-2024.js1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\wscript.exe"C:\Windows\system32\wscript.exe" //B //NoLogo "C:\Users\Admin\AppData\Local\Microsoft\pub10472.js"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -File "cache54518.ps1"3⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\tglnkcpn\tglnkcpn.cmdline"4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES3C05.tmp" "c:\Users\Admin\AppData\Local\Temp\tglnkcpn\CSC26C5065C429449D4AD66D7457A9CF73C.TMP"5⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"4⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /target:exe /out:"C:\Users\Admin\AppData\Local\Temp\MSBuild.exe" "C:\Users\Admin\AppData\Local\Temp\guardian_src_44e8a1d9f50848e694ce4e54ddc97c06.cs"5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES6306.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCA900CF88E8FB4E13A445A78165FF539D.TMP"6⤵
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C:\Users\Admin\AppData\Local\Temp\MSBuild.exe"C:\Users\Admin\AppData\Local\Temp\MSBuild.exe" 13605⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn "ChannelIndex32" /xml "C:\Users\Admin\AppData\Local\Temp\8281003.xml" /f3⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\wscript.exewscript.exe1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
cache54518.ps1
pub10472.js
8281003.xml
MSBuild.exe
RES3C05.tmp
RES6306.tmp
tglnkcpn.dll
CSCA900CF88E8FB4E13A445A78165FF539D.TMP
guardian_src_44e8a1d9f50848e694ce4e54ddc97c06.cs
CSC26C5065C429449D4AD66D7457A9CF73C.TMP
tglnkcpn.0.cs
tglnkcpn.cmdline
memory/1360-37-0x00000000070F0000-0x0000000007182000-memory.dmp
memory/1360-31-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1360-52-0x0000000008130000-0x00000000082F2000-memory.dmp
memory/1360-40-0x0000000007220000-0x0000000007228000-memory.dmp
memory/1360-39-0x0000000007190000-0x000000000720C000-memory.dmp
memory/1360-38-0x0000000007750000-0x0000000007D0A000-memory.dmp
memory/1360-32-0x0000000005750000-0x00000000057EC000-memory.dmp
memory/3492-8-0x0000000005A60000-0x0000000005AC6000-memory.dmp
memory/3492-13-0x0000000006010000-0x000000000602E000-memory.dmp
memory/3492-9-0x0000000005AD0000-0x0000000005B36000-memory.dmp
memory/3492-34-0x0000000075080000-0x000000007583C000-memory.dmp
memory/3492-17-0x00000000065D0000-0x00000000065EA000-memory.dmp
memory/3492-7-0x0000000005260000-0x0000000005282000-memory.dmp
memory/3492-12-0x0000000005BA0000-0x0000000005EFB000-memory.dmp
memory/3492-30-0x0000000006630000-0x0000000006638000-memory.dmp
memory/3492-14-0x00000000063B0000-0x00000000063FC000-memory.dmp
memory/3492-6-0x00000000053A0000-0x00000000059EA000-memory.dmp
memory/3492-5-0x0000000075080000-0x000000007583C000-memory.dmp
memory/3492-4-0x00000000027B0000-0x00000000027E6000-memory.dmp
memory/3492-3-0x0000000075092000-0x0000000075093000-memory.dmp
memory/3492-16-0x0000000007880000-0x0000000007EFC000-memory.dmp
memory/5816-51-0x00000000001B0000-0x00000000001B8000-memory.dmp