General

  • Target

    Vclient3.12-loader.bat

  • Size

    337KB

  • Sample

    250304-d22emayqw6

  • MD5

    b0b26501fa33bc553f9a54ca28a89a85

  • SHA1

    9f868d7d464375d1ea60c5234f4dd057ea85fce1

  • SHA256

    f60cc29ba04d75d31227e8f0417640ed962d2cbfb537072b1b00aa89df9be473

  • SHA512

    fcd9680de0ce271730f9cc5968d3172ed03e2463e53af66b19c898e7ac0e6c97717f8948d27e329f30f78ba051bb4a81acb4dc837ce602964e64470a6a0f3069

  • SSDEEP

    6144:7rVhpfca9iHDDTI3nozeFFDNwPlxR+RG7PrwzZ0qw/FU1qBIEhY:dbaHDunIxoRWrOZ05U11EhY

Malware Config

Extracted

Family

xworm

C2

45.88.91.55:8893

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    sys-32.exe

Targets

    • Target

      Vclient3.12-loader.bat

    • Size

      337KB

    • MD5

      b0b26501fa33bc553f9a54ca28a89a85

    • SHA1

      9f868d7d464375d1ea60c5234f4dd057ea85fce1

    • SHA256

      f60cc29ba04d75d31227e8f0417640ed962d2cbfb537072b1b00aa89df9be473

    • SHA512

      fcd9680de0ce271730f9cc5968d3172ed03e2463e53af66b19c898e7ac0e6c97717f8948d27e329f30f78ba051bb4a81acb4dc837ce602964e64470a6a0f3069

    • SSDEEP

      6144:7rVhpfca9iHDDTI3nozeFFDNwPlxR+RG7PrwzZ0qw/FU1qBIEhY:dbaHDunIxoRWrOZ05U11EhY

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • 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