Overview

overview

10

Static

static

10

2024-05-21...ar.exe

windows7-x64

10

2024-05-21...ar.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-05-21_69549ba6726b11795cef2523f6785e83_hiddentear

  • Size

    170KB

  • Sample

    240521-a7q93acg43

  • MD5

    69549ba6726b11795cef2523f6785e83

  • SHA1

    2be4cc46afd01c8a20c7ebf2bc9b399439e52e50

  • SHA256

    2a620cb7417ffe3a32db5fdd6a398e13035e347a68e258c169375696bc26b259

  • SHA512

    4fd12c8184ee4fc6003cf1b425e0592a61108eb43e9f19923d66ebdf69fcc3942c5c958df8b790360de6a8ceb2e96dfbde6b00812c81cafeedc0b430574be50f

  • SSDEEP

    3072:N1f02TotIbgC+S2OIXZSlmOE1M+lmsolAIrRuw+mqv9j1MWLQv:NjT2IbgU2wr+lDAA

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

147.185.221.18:59689

Attributes
  • Install_directory

    %AppData%

  • install_file

    Taask.exe

Targets

    • Target

      2024-05-21_69549ba6726b11795cef2523f6785e83_hiddentear

    • Size

      170KB

    • MD5

      69549ba6726b11795cef2523f6785e83

    • SHA1

      2be4cc46afd01c8a20c7ebf2bc9b399439e52e50

    • SHA256

      2a620cb7417ffe3a32db5fdd6a398e13035e347a68e258c169375696bc26b259

    • SHA512

      4fd12c8184ee4fc6003cf1b425e0592a61108eb43e9f19923d66ebdf69fcc3942c5c958df8b790360de6a8ceb2e96dfbde6b00812c81cafeedc0b430574be50f

    • SSDEEP

      3072:N1f02TotIbgC+S2OIXZSlmOE1M+lmsolAIrRuw+mqv9j1MWLQv:NjT2IbgU2wr+lDAA

    Score
    10/10
    xwormexecutionpersistencerattrojan

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Detects Windows executables referencing non-Windows User-Agents

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks