General

  • Target
    WindowsCodecs.dll
  • Size 2.7MB
  • Sample260511-w354bab18l
  • SHA256 30ef7cbd5835c6d6e8b014f6658905797bfcb278ed1bc1282e77f10a9a1d357a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      WindowsCodecs.dll
    • Size 2.7MB
    • SHA256 30ef7cbd5835c6d6e8b014f6658905797bfcb278ed1bc1282e77f10a9a1d357a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Badlisted process makes network request

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

    • A potential corporate email address has been identified in the URL: [email protected]

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks