Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    01/06/2026, 04:20

General

  • Target
    BFFGG.exe
  • Size 80KB
  • Sample260601-ex3mkaev6m
  • SHA256 60b35cb123bb23647b06acab4bf9006aaf5ed6ffcdf0faa027ef9383b89ccda8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

C2
  • 7326.info:2686

Attributes
  • install_file

    USB.exe

  • localhost

    127.0.0.1

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BFFGG.exe
    "C:\Users\Admin\AppData\Local\Temp\BFFGG.exe"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\BFFGG.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3288
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'BFFGG.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5004

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 4KB
        • SHA256 e27390d57580e3dfba07bec3d8e430203bbc91e90f6937079b3fd52abc721bd4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 93fd3c992521cef182e6847f4f6658c58cfd5bdde16d4732d1c055b3c9e34398
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_eyh3xdbq.jel.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eyh3xdbq.jel.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        memory/2508-0-0x00000000000C0000-0x00000000000DA000-memory.dmp

        memory/2508-45-0x000000001C280000-0x000000001C290000-memory.dmp

        memory/2508-44-0x000000001C280000-0x000000001C290000-memory.dmp

        memory/3288-21-0x000001D0B3C70000-0x000001D0B3C7A000-memory.dmp

        memory/3288-24-0x000001D0B3E10000-0x000001D0B3E16000-memory.dmp

        memory/3288-19-0x000001D0B3C60000-0x000001D0B3C6A000-memory.dmp

        memory/3288-20-0x000001D0B3C90000-0x000001D0B3CAC000-memory.dmp

        memory/3288-17-0x000001D0B3B80000-0x000001D0B3B9C000-memory.dmp

        memory/3288-22-0x000001D0B3E30000-0x000001D0B3E4A000-memory.dmp

        memory/3288-23-0x000001D0B3C80000-0x000001D0B3C88000-memory.dmp

        memory/3288-18-0x000001D0B3BA0000-0x000001D0B3C53000-memory.dmp

        memory/3288-25-0x000001D0B3E20000-0x000001D0B3E2A000-memory.dmp

        memory/3288-26-0x000001D096370000-0x000001D096380000-memory.dmp

        memory/3288-10-0x000001D096370000-0x000001D096380000-memory.dmp

        memory/3288-9-0x000001D0B38D0000-0x000001D0B38F2000-memory.dmp

        memory/3288-1-0x000001D096370000-0x000001D096380000-memory.dmp

        memory/3288-2-0x000001D096370000-0x000001D096380000-memory.dmp