General

  • Target

    random.exe

  • Size

    4.3MB

  • Sample

    250327-sej96awkz6

  • MD5

    963a03c861940396943babbeb18b9a0a

  • SHA1

    c727eb82edb57d3148e1a0c3bb0d5680ee82fae5

  • SHA256

    2969b6de959aa9ba346aac7784ac87c787b651dad3f25e7608cfc9d346b30509

  • SHA512

    31a0809298c292fc97eec28a3f1b9beba8250708adb3036502503575fa77f3f5e4a651a42f159184e8e7566c13831aa8eb2e9b855b954c15316bdb3346a98a9a

  • SSDEEP

    98304:TBpHMYm8FZ/VPPQJdhmqnSTKCdPzjFenKYcPZbdFE:TBpsYTgmqSeCdP1eKYcPVd

Malware Config

Targets

    • Target

      random.exe

    • Size

      4.3MB

    • MD5

      963a03c861940396943babbeb18b9a0a

    • SHA1

      c727eb82edb57d3148e1a0c3bb0d5680ee82fae5

    • SHA256

      2969b6de959aa9ba346aac7784ac87c787b651dad3f25e7608cfc9d346b30509

    • SHA512

      31a0809298c292fc97eec28a3f1b9beba8250708adb3036502503575fa77f3f5e4a651a42f159184e8e7566c13831aa8eb2e9b855b954c15316bdb3346a98a9a

    • SSDEEP

      98304:TBpHMYm8FZ/VPPQJdhmqnSTKCdPzjFenKYcPZbdFE:TBpsYTgmqSeCdP1eKYcPVd

    • 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)

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

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

    • Loads dropped DLL

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks