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General

  • Target

    Boostrapper.exe

  • Size

    27.6MB

  • Sample

    240930-rxgrbavanc

  • MD5

    58c1371464d97d7d81cd2befb0591a25

  • SHA1

    93e0a424730d228db4cf5a140c131a2368756e9e

  • SHA256

    d99ad8a5da3079b1993cbe5141081257dc715d0b2c38e7b8a7231fdb0b51b2f1

  • SHA512

    b71f9d86a120003337e0f45b117fe636a1fe2089b2a5042c10a5ce78a3ec2ced110737ff033c640206ffb6dae7fa8c319052df5fe49ffbe58c607366af1c1346

  • SSDEEP

    786432:+hQiXgPQEErUlqsA3XTg52cP57vDACrv3FqbqS:KQE89Ed3XTg5l57v0eqbP

Malware Config

Extracted

Family

xworm

C2

22.ip.gl.ply.gg:55064

Attributes
  • Install_directory

    %AppData%

  • install_file

    Console Windows App.exe

Targets

    • Target

      Boostrapper.exe

    • Size

      27.6MB

    • MD5

      58c1371464d97d7d81cd2befb0591a25

    • SHA1

      93e0a424730d228db4cf5a140c131a2368756e9e

    • SHA256

      d99ad8a5da3079b1993cbe5141081257dc715d0b2c38e7b8a7231fdb0b51b2f1

    • SHA512

      b71f9d86a120003337e0f45b117fe636a1fe2089b2a5042c10a5ce78a3ec2ced110737ff033c640206ffb6dae7fa8c319052df5fe49ffbe58c607366af1c1346

    • SSDEEP

      786432:+hQiXgPQEErUlqsA3XTg52cP57vDACrv3FqbqS:KQE89Ed3XTg5l57v0eqbP

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

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

    • Enumerates processes with tasklist

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks