Analysis
- max time kernel
149s - max time network
155s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
04/08/2026, 12:58
General
- Target dlKivxrZVK.js
- Size 204KB
- Sample260804-p7vd2sxtev
- SHA256 8197237b06055f3fa7a894f432be8be8cef747dae31fe66f52bda252b0966457
Malware Config
Extracted
-
xworm
-
5.0
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217.60.195.237:443
-
9ohoM5sHp0HAGE86
-
install_file
USB.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- 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.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 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.
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\dlKivxrZVK.js1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\u903xzgm\cfg_39960_63c.vbs"2⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -NoP -EP Bypass -NonInteractive -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\u903xzgm\tmp_78108_61e.ps1"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- 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\lrwwhnfx\lrwwhnfx.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\RESB1E1.tmp" "c:\Users\Admin\AppData\Local\Temp\lrwwhnfx\CSC798D4B292BAD40E3AF69ACDBEB2BF5C5.TMP"5⤵
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-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\system32\wscript.exewscript.exe1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
RESB1E1.tmp
lrwwhnfx.dll
cfg_39960_63c.vbs
clr_17762_61d
tmp_33431_61c
tmp_78108_61e.ps1
CSC798D4B292BAD40E3AF69ACDBEB2BF5C5.TMP
lrwwhnfx.0.cs
lrwwhnfx.cmdline
memory/1688-13-0x0000000006420000-0x000000000677B000-memory.dmp
memory/1688-7-0x0000000005BB0000-0x00000000061FA000-memory.dmp
memory/1688-14-0x00000000069A0000-0x00000000069BE000-memory.dmp
memory/1688-19-0x00000000081F0000-0x000000000886C000-memory.dmp
memory/1688-20-0x0000000006F80000-0x0000000006F9A000-memory.dmp
memory/1688-21-0x0000000007BB0000-0x0000000007BCA000-memory.dmp
memory/1688-10-0x0000000006370000-0x00000000063D6000-memory.dmp
memory/1688-9-0x0000000006300000-0x0000000006366000-memory.dmp
memory/1688-8-0x0000000005AB0000-0x0000000005AD2000-memory.dmp
memory/1688-15-0x00000000069F0000-0x0000000006A3C000-memory.dmp
memory/1688-6-0x00000000054B0000-0x00000000054E6000-memory.dmp
memory/1688-34-0x0000000007BE0000-0x0000000007BE8000-memory.dmp
memory/1688-35-0x0000000007C00000-0x0000000007C08000-memory.dmp
memory/1688-40-0x0000000008E30000-0x00000000093EA000-memory.dmp
memory/1688-39-0x0000000007C70000-0x0000000007C92000-memory.dmp
memory/1688-38-0x0000000007D70000-0x0000000007E06000-memory.dmp
memory/2300-37-0x0000000005620000-0x00000000056BC000-memory.dmp
memory/2300-36-0x0000000000400000-0x000000000040E000-memory.dmp