General

  • Target

    ratka.exe

  • Size

    80KB

  • Sample

    250302-vxqwrszmv6

  • MD5

    39ffa7b287f2d822703a6deea560dcbd

  • SHA1

    34ae6406ec73ad02955cb7676b37489fdab1695b

  • SHA256

    9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05

  • SHA512

    7efa49f3c9ba846d6382e7683d64a5b00232c459028a177b07c0e4f28f06682bd3a219421a355515766007bee9e0dfcce5e243afba73290487057542a644cc40

  • SSDEEP

    1536:GeKbbG1+cDVWr5hLbwWV5hcEW07Z4E+bCXsEN9qtgq6rLs4ORpmcG1h:GeKbb60r5hLbwWVcPk1+b8JY4ORpmth

Malware Config

Extracted

Family

xworm

C2

cause-indexes.gl.at.ply.gg:17210

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      ratka.exe

    • Size

      80KB

    • MD5

      39ffa7b287f2d822703a6deea560dcbd

    • SHA1

      34ae6406ec73ad02955cb7676b37489fdab1695b

    • SHA256

      9465f48edb12c0ecfe182d5d6a91be86afd52c152b61c3916efb09df3a90cb05

    • SHA512

      7efa49f3c9ba846d6382e7683d64a5b00232c459028a177b07c0e4f28f06682bd3a219421a355515766007bee9e0dfcce5e243afba73290487057542a644cc40

    • SSDEEP

      1536:GeKbbG1+cDVWr5hLbwWV5hcEW07Z4E+bCXsEN9qtgq6rLs4ORpmcG1h:GeKbb60r5hLbwWVcPk1+b8JY4ORpmth

    • 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.

    • Deletes itself

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks