Analysis

  • max time kernel
    6s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    09/06/2024, 19:41

General

  • Target
    Steam Cracked Game.exe
  • Size 342KB
  • Sample240609-yekhtaec2w
  • SHA256 838dd21722f8cae52adcb57145a66e34a0607419a8d747442f1398eaf49e3613
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • 5.tcp.eu.ngrok.io:19862

Attributes
  • Install_directory

    %Temp%

  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • 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).

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Steam Cracked Game.exe
    "C:\Users\Admin\AppData\Local\Temp\Steam Cracked Game.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2916
    • 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\Steam Cracked Game.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:2856
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Steam Cracked Game.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:2492
    • 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\Roblox'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:2520
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Roblox'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:2004
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp9B1.tmp.bat""
      2⤵
        PID:616
        • C:\Windows\system32\timeout.exe
          timeout 3
          3⤵
          • Delays execution with timeout.exe
          PID:2268

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          tmp9B1.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmp9B1.tmp.bat
          • Size 169B
          • SHA256 b6604debf1d70767091eb669930a813204a6773c59d66665b2adf9b4ab68c07b
          • MD5 SHA1 SHA512

          CZ82KLJMGQ98YNW5SSB8.temp

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\CZ82KLJMGQ98YNW5SSB8.temp
          • Size 7KB
          • SHA256 bf89a2c636be8d9c9caa92ae9b30309173521a63ac717015098cfe2ba990533a
          • MD5 SHA1 SHA512 SSDEEP

          memory/2492-15-0x000000001B5E0000-0x000000001B8C2000-memory.dmp

          memory/2492-16-0x00000000026A0000-0x00000000026A8000-memory.dmp

          memory/2856-8-0x000000001B760000-0x000000001BA42000-memory.dmp

          memory/2856-7-0x0000000002A70000-0x0000000002AF0000-memory.dmp

          memory/2856-9-0x0000000002790000-0x0000000002798000-memory.dmp

          memory/2916-0-0x000007FEF5353000-0x000007FEF5354000-memory.dmp

          memory/2916-2-0x000007FEF5350000-0x000007FEF5D3C000-memory.dmp

          memory/2916-28-0x000007FEF5353000-0x000007FEF5354000-memory.dmp

          memory/2916-29-0x000007FEF5350000-0x000007FEF5D3C000-memory.dmp

          memory/2916-40-0x000007FEF5350000-0x000007FEF5D3C000-memory.dmp

          memory/2916-1-0x0000000000380000-0x00000000003DC000-memory.dmp