Overview

overview

10

Static

static

10

Gbeta.exe

windows7-x64

10

Gbeta.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    35s
  • max time network
    35s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/05/2024, 15:12

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General

  • Target
    Gbeta.exe
  • Size 620KB
  • Sample240526-slmnvsbe77
  • SHA256 e14916b5552020906ba0c25450f9dcb0c5ab6bcf58d5042c26edde8c6289a1d8
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

  • xworm

C2

  • valid-saint.gl.at.ply.gg:23570

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    GBeta.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

    execution
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 46 IoCs
  • Suspicious use of SendNotifyMessage 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\Gbeta.exe
    "C:\Users\Admin\AppData\Local\Temp\Gbeta.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3248
    • 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\Gbeta.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4340
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Gbeta.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3768
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\GBeta.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:636
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'GBeta.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4420
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "GBeta" /tr "C:\ProgramData\GBeta.exe"
      2⤵
      • Creates scheduled task(s)
      PID:4468
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4580

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        GBeta.exe
        • Path C:\ProgramData\GBeta.exe
        • Size 620KB
        • SHA256 e14916b5552020906ba0c25450f9dcb0c5ab6bcf58d5042c26edde8c6289a1d8
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        powershell.exe.log
        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
        • MD5 SHA1 SHA512
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233
        • MD5 SHA1 SHA512
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961
        • MD5 SHA1 SHA512
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 55b1d8021c4eb4c3c0d75e3ed7a4eb30cd0123e3d69f32eeb596fe4ffec05abf
        • MD5 SHA1 SHA512
        Submit Download

        __PSScriptPolicyTest_rpls41a4.0th.ps1
        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rpls41a4.0th.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512
        Submit Download

        GBeta.lnk
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\GBeta.lnk
        • Size 658B
        • SHA256 ee5bf60072f929a07f91b9987a6a70d5fc4b3d89787e6504952c0ef4cdde02bd
        • MD5 SHA1 SHA512
        Submit Download

        memory/3248-69-0x00007FF83DF30000-0x00007FF83E9F1000-memory.dmp
        Download

        memory/3248-68-0x00007FF83DF33000-0x00007FF83DF35000-memory.dmp
        Download

        memory/3248-0-0x00007FF83DF33000-0x00007FF83DF35000-memory.dmp
        Download

        memory/3248-2-0x00007FF83DF30000-0x00007FF83E9F1000-memory.dmp
        Download

        memory/3248-1-0x0000000000D70000-0x0000000000E10000-memory.dmp
        Download

        memory/4340-3-0x0000020405B70000-0x0000020405B92000-memory.dmp
        Download

        memory/4580-17-0x000001A45DF80000-0x000001A45DF81000-memory.dmp
        Download

        memory/4580-21-0x000001A45DF80000-0x000001A45DF81000-memory.dmp
        Download

        memory/4580-22-0x000001A45DF80000-0x000001A45DF81000-memory.dmp
        Download

        memory/4580-23-0x000001A45DF80000-0x000001A45DF81000-memory.dmp
        Download

        memory/4580-24-0x000001A45DF80000-0x000001A45DF81000-memory.dmp
        Download

        memory/4580-25-0x000001A45DF80000-0x000001A45DF81000-memory.dmp
        Download

        memory/4580-26-0x000001A45DF80000-0x000001A45DF81000-memory.dmp
        Download

        memory/4580-27-0x000001A45DF80000-0x000001A45DF81000-memory.dmp
        Download

        memory/4580-15-0x000001A45DF80000-0x000001A45DF81000-memory.dmp
        Download

        memory/4580-16-0x000001A45DF80000-0x000001A45DF81000-memory.dmp
        Download