General

  • Target

    c346655d32844eda0a9ec3d3d9b16c1c27248bda424fc8b91804d26cd8986454.exe

  • Size

    77KB

  • Sample

    241117-wtql9svlfv

  • MD5

    a307d64f791cb555d029c214364162d8

  • SHA1

    04f134fd1a0b71e0b4b745a97e9a08ed1ee45c74

  • SHA256

    c346655d32844eda0a9ec3d3d9b16c1c27248bda424fc8b91804d26cd8986454

  • SHA512

    d432bcf7874ea3f74ec7e4fc51b400f7c3492b06479fd12949b7cde698e513bbabd08afae8d0ffc2efbe3d7d0cb44e08c5b2bba3f116b9fd6120713e2cd5f96e

  • SSDEEP

    1536:x5sFO8g/9VM5dQ+aomobhr3KXg6wzOB1SmOnU7Ua+G:x5sU9Vv4bbhr6SOB1S5nU7MG

Malware Config

Extracted

Family

xworm

C2

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

Attributes
  • Install_directory

    %AppData%

  • install_file

    US11B.exe

Targets

    • Target

      c346655d32844eda0a9ec3d3d9b16c1c27248bda424fc8b91804d26cd8986454.exe

    • Size

      77KB

    • MD5

      a307d64f791cb555d029c214364162d8

    • SHA1

      04f134fd1a0b71e0b4b745a97e9a08ed1ee45c74

    • SHA256

      c346655d32844eda0a9ec3d3d9b16c1c27248bda424fc8b91804d26cd8986454

    • SHA512

      d432bcf7874ea3f74ec7e4fc51b400f7c3492b06479fd12949b7cde698e513bbabd08afae8d0ffc2efbe3d7d0cb44e08c5b2bba3f116b9fd6120713e2cd5f96e

    • SSDEEP

      1536:x5sFO8g/9VM5dQ+aomobhr3KXg6wzOB1SmOnU7Ua+G:x5sU9Vv4bbhr6SOB1S5nU7MG

    • 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