General

  • Target
    q14jm3ujudnhavhk.exe
  • Size 419KB
  • Sample261012-vps16acz4z
  • SHA256 c45648ee5976322420aeb6ca7adb0d853fc0f77068f620016e22846bfebe0043
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      q14jm3ujudnhavhk.exe
    • Size 419KB
    • SHA256 c45648ee5976322420aeb6ca7adb0d853fc0f77068f620016e22846bfebe0043
    • 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 boot configuration data using bcdedit

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • 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

    • Modifies file permissions

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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

    • Accesses Microsoft Outlook profiles

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • 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

MITRE ATT&CK Enterprise v16

Tasks