General

  • Target
    222t.exe
  • Size 181.0MB
  • Sample261026-tt29ysty6r
  • SHA256 4c2739344a5eb37cbf3de6196965a1cca4823e0368bf26ad8bcffdaec59ff14d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      222t.exe
    • Size 181.0MB
    • SHA256 4c2739344a5eb37cbf3de6196965a1cca4823e0368bf26ad8bcffdaec59ff14d
    • 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

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

    • Disables RegEdit via registry modification

    • Modifies Windows Firewall

    • Creates new service(s)

    • Executes a file named after a Windows system binary

      The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

    • 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 new Windows logon scripts automatically executed at logon.

    • Stops running service(s)

    • Windows security modification

    • Adds Run key to start application

    • 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.

    • Drops file in System32 directory

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Enterprise v16

Tasks