General

  • Target
    PolysealsSdnBhdStatementReceipts1111.exe
  • Size 674KB
  • Sample241111-vzb6dsseqh
  • SHA256 18bfaa34bea9797ca82ffa02adc900f70ad24ad9663afacf0d963ff41d3a0c17
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      PolysealsSdnBhdStatementReceipts1111.exe
    • Size 674KB
    • SHA256 18bfaa34bea9797ca82ffa02adc900f70ad24ad9663afacf0d963ff41d3a0c17
    • MD5 SHA1 SHA512 SSDEEP
    • Guloader family

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Loads dropped DLL

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks