General

  • Target

    37b9b2836d520f80072446950646e5263f7c038d725dce9095fbd3702ca0ba6bN.exe

  • Size

    66KB

  • Sample

    250124-arwvlssmcr

  • MD5

    529d7dd2ee40e162ee1e452266cf3370

  • SHA1

    31753fd788e5aa7691983822b5f6bd54ec966e67

  • SHA256

    37b9b2836d520f80072446950646e5263f7c038d725dce9095fbd3702ca0ba6b

  • SHA512

    5e0e8b1f950fd97bb86cf04f70ca393fb99624fd4061485e9110bac61d55450bcd38dedf494fdc4678d932000cd1984c69804e85f21e083154aade9427d2c6a6

  • SSDEEP

    1536:3neHSDcksj3CGVAfBeVjFu/fWHE0uGxvV6PG:3neHgfsjFVAfBcvce

Malware Config

Extracted

Family

xworm

C2

perfect-ringtones.gl.at.ply.gg:15597

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      37b9b2836d520f80072446950646e5263f7c038d725dce9095fbd3702ca0ba6bN.exe

    • Size

      66KB

    • MD5

      529d7dd2ee40e162ee1e452266cf3370

    • SHA1

      31753fd788e5aa7691983822b5f6bd54ec966e67

    • SHA256

      37b9b2836d520f80072446950646e5263f7c038d725dce9095fbd3702ca0ba6b

    • SHA512

      5e0e8b1f950fd97bb86cf04f70ca393fb99624fd4061485e9110bac61d55450bcd38dedf494fdc4678d932000cd1984c69804e85f21e083154aade9427d2c6a6

    • SSDEEP

      1536:3neHSDcksj3CGVAfBeVjFu/fWHE0uGxvV6PG:3neHgfsjFVAfBcvce

    • 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