General

  • Target
    e4eae60e94508ef4d6d731be014afe6dd143b5b683e4cd9459d84db208249648.gz
  • Size 418KB
  • Sample240625-cc2tesxgrq
  • SHA256 e4eae60e94508ef4d6d731be014afe6dd143b5b683e4cd9459d84db208249648
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      SCAN00381638.vbe
    • Size 646KB
    • SHA256 411d7a0d9d268daa710bbd8af48825e3227be7ed743c50c68afc05b71a940e83
    • MD5 SHA1 SHA512 SSDEEP
    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Detects executables built or packed with MPress PE compressor

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Checks computer location settings

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

    • 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

MITRE ATT&CK Enterprise v15

Tasks