General

  • Target

    file.exe

  • Size

    1.9MB

  • Sample

    241206-bklazaskc1

  • MD5

    623d073b8d01e00cbb5294ff07fe238a

  • SHA1

    c3aeeb4de6cd38209944e7a1c3ecaa3f411f8775

  • SHA256

    ce50862f51244b9dce6dbde2bc96fa852cff8ca84b720797894a3f43f4e293ca

  • SHA512

    dc1fe9e39173bfd1e2722125b1385cf8c15e2570b65c1d5acb320a70d073d39a1a25f3665a87ccb3b8a0aaf7b7e63edb21e8e3cd4c3ac27e9cda237b54979824

  • SSDEEP

    49152:d6OzazY5q+Tu+Th986JcoR7nQviAea6gw8AmrnT1Fh:8OOzTpEhzKEmiAvw8HnT/h

Malware Config

Extracted

Family

gcleaner

C2

92.63.197.221

45.91.200.135

Targets

    • Target

      file.exe

    • Size

      1.9MB

    • MD5

      623d073b8d01e00cbb5294ff07fe238a

    • SHA1

      c3aeeb4de6cd38209944e7a1c3ecaa3f411f8775

    • SHA256

      ce50862f51244b9dce6dbde2bc96fa852cff8ca84b720797894a3f43f4e293ca

    • SHA512

      dc1fe9e39173bfd1e2722125b1385cf8c15e2570b65c1d5acb320a70d073d39a1a25f3665a87ccb3b8a0aaf7b7e63edb21e8e3cd4c3ac27e9cda237b54979824

    • SSDEEP

      49152:d6OzazY5q+Tu+Th986JcoR7nQviAea6gw8AmrnT1Fh:8OOzTpEhzKEmiAvw8HnT/h

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks