General

  • Target
    x8e5f732c14ec30e0cc27d276b8cd68eead3e5704c4656341f870995b13b842ca.exe
  • Size 374KB
  • Sample260705-fvd2vsdv7r
  • SHA256 8e5f732c14ec30e0cc27d276b8cd68eead3e5704c4656341f870995b13b842ca
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      x8e5f732c14ec30e0cc27d276b8cd68eead3e5704c4656341f870995b13b842ca.exe
    • Size 374KB
    • SHA256 8e5f732c14ec30e0cc27d276b8cd68eead3e5704c4656341f870995b13b842ca
    • 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 WinLogon for persistence

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender TamperProtection settings

    • Modifies security service

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • 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.

    • Loads dropped DLL

    • Stops running service(s)

    • Windows security modification

    • 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