General

  • Target

    FROZENLOADER.lol.exe

  • Size

    41KB

  • Sample

    240530-bvt1vshe61

  • MD5

    8e256af90e17c9c3e2cd0b0b87cec7bd

  • SHA1

    50471f49c19f18dfd5b426146bdc6e723aef7c00

  • SHA256

    17fbbdbef331b237cd11a2744937e9c75e3b65f0180869a64b37bd3624a27394

  • SHA512

    ef211d13d369a360ffb75fb6651494c16a3111d492f519c80eec7a884b94e655154ef3480b9b6214b2389400a47f23eabfbc962066b513f72cedc60887381ac6

  • SSDEEP

    768:kd4LOwcmOsGuECAr43MxfJF5Pa9p+OPf6iOwhv3/ibZ:kkHcmOFrRrNRF49IOPf6iOwJad

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:7000

192.168.0.247:7000

98.160.133.172:7000

Mutex

Np311RwRmY3E1pmV

Attributes
  • Install_directory

    %Public%

  • install_file

    svchost.exe

aes.plain

Targets

    • Target

      FROZENLOADER.lol.exe

    • Size

      41KB

    • MD5

      8e256af90e17c9c3e2cd0b0b87cec7bd

    • SHA1

      50471f49c19f18dfd5b426146bdc6e723aef7c00

    • SHA256

      17fbbdbef331b237cd11a2744937e9c75e3b65f0180869a64b37bd3624a27394

    • SHA512

      ef211d13d369a360ffb75fb6651494c16a3111d492f519c80eec7a884b94e655154ef3480b9b6214b2389400a47f23eabfbc962066b513f72cedc60887381ac6

    • SSDEEP

      768:kd4LOwcmOsGuECAr43MxfJF5Pa9p+OPf6iOwhv3/ibZ:kkHcmOFrRrNRF49IOPf6iOwJad

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • 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