General

  • Target

    c4a071a267dabdb052c37972911874070424f210cd7f3aa6e33cf4e08efbd87d

  • Size

    1.9MB

  • Sample

    241205-s5zsjaxjep

  • MD5

    972aeaccbec56da479e178a53d3b24ff

  • SHA1

    af7d676bf5c59c2ac6cfaaaaad067ed34090e675

  • SHA256

    c4a071a267dabdb052c37972911874070424f210cd7f3aa6e33cf4e08efbd87d

  • SHA512

    53599df300461312f499a4c8ef303724d74417b5d26a9cf189a35dcf6a76d0aa686c8341af6e50c35182d769c2223407cf9076878fbaf52e0f6c2933dff319e1

  • SSDEEP

    49152:v3vSAMDPdFsFXqhfMs9pUhC0JoRhXApc3HtA:PvSLFOqhfxpWC0pG3NA

Malware Config

Extracted

Family

gcleaner

C2

92.63.197.221

45.91.200.135

Targets

    • Target

      c4a071a267dabdb052c37972911874070424f210cd7f3aa6e33cf4e08efbd87d

    • Size

      1.9MB

    • MD5

      972aeaccbec56da479e178a53d3b24ff

    • SHA1

      af7d676bf5c59c2ac6cfaaaaad067ed34090e675

    • SHA256

      c4a071a267dabdb052c37972911874070424f210cd7f3aa6e33cf4e08efbd87d

    • SHA512

      53599df300461312f499a4c8ef303724d74417b5d26a9cf189a35dcf6a76d0aa686c8341af6e50c35182d769c2223407cf9076878fbaf52e0f6c2933dff319e1

    • SSDEEP

      49152:v3vSAMDPdFsFXqhfMs9pUhC0JoRhXApc3HtA:PvSLFOqhfxpWC0pG3NA

    • 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