General

  • Target

    https://d1vdn3r1396bak.cloudfront.net/installer/103517162641006686/74786417

  • Sample

    240509-dykbyaag84

Malware Config

Targets

    • Target

      https://d1vdn3r1396bak.cloudfront.net/installer/103517162641006686/74786417

    • Detect ZGRat V1

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Downloads MZ/PE file

    • Stops running service(s)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks for any installed AV software in registry

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

MITRE ATT&CK Enterprise v15

Tasks