General

  • Target
    f58c41d83c0f1c1e8c1c3bd99ab6deabb14a763b54a3c5f1e821210c0536c3ff
  • Size 4.8MB
  • Sample240410-sa76esfb3v
  • SHA256 f58c41d83c0f1c1e8c1c3bd99ab6deabb14a763b54a3c5f1e821210c0536c3ff
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      f58c41d83c0f1c1e8c1c3bd99ab6deabb14a763b54a3c5f1e821210c0536c3ff
    • Size 4.8MB
    • SHA256 f58c41d83c0f1c1e8c1c3bd99ab6deabb14a763b54a3c5f1e821210c0536c3ff
    • MD5 SHA1 SHA512 SSDEEP
    • Detect ZGRat V2

    • Modifies Windows Defender Real-time Protection settings

    • Modifies security service

    • OutSteel

      OutSteel is a file uploader and document stealer written in AutoIT.

    • SaintBot

      Saint Bot is a malware dropper being used to deliver secondary payloads such as information stealers.

    • SaintBot payload

    • UAC bypass

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Registers COM server for autorun

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks