General

  • Target
    de52002c9566018c61b816f862325c681c756758e693c9d40b70670caf22a2c4.rar
  • Size 242KB
  • Sample240627-b43dlayflr
  • SHA256 de52002c9566018c61b816f862325c681c756758e693c9d40b70670caf22a2c4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      SMKT_COPY20240604.exe
    • Size 314KB
    • SHA256 144540da6bfc395bdd8726b156099a7f7b27240321424411ba8af877cbdcbe86
    • MD5 SHA1 SHA512 SSDEEP
    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • 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.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/nsExec.dll
    • Size 7KB
    • SHA256 01e72332362345c415a7edcb366d6a1b52be9ac6e946fb9da49785c140ba1a4b
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks