General

  • Target

    ParadoxChecker.exe

  • Size

    76KB

  • Sample

    241116-we464s1bpf

  • MD5

    4e76b80bce10eb03176bf60a3188b06c

  • SHA1

    35168f494bb45abeec007385eb86b6790230bbea

  • SHA256

    c21bad2416025fef7aeb09ae4f47d9f9b29c0b44515aa1fe2e5e056b8758985c

  • SHA512

    f4076e47762783a6190efdddfc96067850582eacb09dc4e88ba874662df73570e01ecc683b90f15ed0402091e73eda6b35f1f1510bc545e5cf49231c30f12024

  • SSDEEP

    1536:bBhkVrLNTPIjlHgb3xvzcB+CUK678VOnbnSeayShAf:1haNTPO2b3JzFwOnXShA

Malware Config

Extracted

Family

xworm

C2

left-noon.gl.at.ply.gg:60705

Attributes
  • Install_directory

    %AppData%

  • install_file

    US11B.exe

Targets

    • Target

      ParadoxChecker.exe

    • Size

      76KB

    • MD5

      4e76b80bce10eb03176bf60a3188b06c

    • SHA1

      35168f494bb45abeec007385eb86b6790230bbea

    • SHA256

      c21bad2416025fef7aeb09ae4f47d9f9b29c0b44515aa1fe2e5e056b8758985c

    • SHA512

      f4076e47762783a6190efdddfc96067850582eacb09dc4e88ba874662df73570e01ecc683b90f15ed0402091e73eda6b35f1f1510bc545e5cf49231c30f12024

    • SSDEEP

      1536:bBhkVrLNTPIjlHgb3xvzcB+CUK678VOnbnSeayShAf:1haNTPO2b3JzFwOnXShA

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

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

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks