General

  • Target

    Output.exe

  • Size

    100KB

  • Sample

    250126-g9rryavkfw

  • MD5

    440e99fa2695592de7acddebcde9e87c

  • SHA1

    a5fb9a09d6221514b0534d53899a745ae0113487

  • SHA256

    766d4211a15e33590c533f76bcd7436457088f9d1425f4035051a7e84c919b35

  • SHA512

    cc93740535c5eaa7910fdf5df58c5b4a7103077cbcac6ef3905179be3feb55266e2c464ec605e21373ed632e31a7ea29a724b0606904a1350d35091f9af7b94f

  • SSDEEP

    1536:kWJXbxecjQSbDbwZPmyKqlB7kxrEYq4tGqqAErfnz+z67w48nloE46SQpEX:kWJXblrlMar4zvz+zyco16fpi

Malware Config

Extracted

Family

xworm

C2

feb-arrested.gl.at.ply.gg:1512

Attributes
  • Install_directory

    %Temp%

  • install_file

    svchost.exe

Targets

    • Target

      Output.exe

    • Size

      100KB

    • MD5

      440e99fa2695592de7acddebcde9e87c

    • SHA1

      a5fb9a09d6221514b0534d53899a745ae0113487

    • SHA256

      766d4211a15e33590c533f76bcd7436457088f9d1425f4035051a7e84c919b35

    • SHA512

      cc93740535c5eaa7910fdf5df58c5b4a7103077cbcac6ef3905179be3feb55266e2c464ec605e21373ed632e31a7ea29a724b0606904a1350d35091f9af7b94f

    • SSDEEP

      1536:kWJXbxecjQSbDbwZPmyKqlB7kxrEYq4tGqqAErfnz+z67w48nloE46SQpEX:kWJXblrlMar4zvz+zyco16fpi

    • 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.

    • 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