General

  • Target
    oo1neescdivyhajn.scr
  • Size 12.0MB
  • Sample260720-prl3qsat5j
  • SHA256 d40e0bdc29b1f16108f6651a3812c2f862682e6ae2ac097ba221751c433a34ad
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      oo1neescdivyhajn.scr
    • Size 12.0MB
    • SHA256 d40e0bdc29b1f16108f6651a3812c2f862682e6ae2ac097ba221751c433a34ad
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects Sheetrat Payload

      Sheetrat aka NonEuclid RAT is a trojan written in C#.

    • Family: Sheetrat, NonEuclid rat

      Sheetrat aka NonEuclid RAT is a trojan written in C#.

    • Modifies Windows Defender DisableAntiSpyware settings

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Indicator Removal: Clear Windows Event Logs

      Clear Windows Event Logs to hide the activity of an intrusion.

    • Checks whether UAC is enabled

    • Enumerates connected drives

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

    • Looks up external IP address via web service

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

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks