General

  • Target

    e9f3259c65410aeaf495ff2955029ed6.exe

  • Size

    3.8MB

  • Sample

    250226-xn9zdsyzgv

  • MD5

    e9f3259c65410aeaf495ff2955029ed6

  • SHA1

    e19cb0381709b796dcd6ca64ee3e5ef38fd0216d

  • SHA256

    442d7774797f498ef0afefda6a6f4482fc61dab1950cad7158e79569f5a3d063

  • SHA512

    dae85ddeaa83bc100117f1b6cea1a06094d613544ad0f2bd39ebd50f4850190262f3708596eafd1ddc429f58ce37a70269b737504c587823966226feae3e50ee

  • SSDEEP

    98304:/euWR/qF4xZTMRW2OkGNFygVrZ9OWNKR:GuWB4WFbZ9OWNK

Malware Config

Extracted

Family

gcleaner

C2

185.156.73.73

Targets

    • Target

      e9f3259c65410aeaf495ff2955029ed6.exe

    • Size

      3.8MB

    • MD5

      e9f3259c65410aeaf495ff2955029ed6

    • SHA1

      e19cb0381709b796dcd6ca64ee3e5ef38fd0216d

    • SHA256

      442d7774797f498ef0afefda6a6f4482fc61dab1950cad7158e79569f5a3d063

    • SHA512

      dae85ddeaa83bc100117f1b6cea1a06094d613544ad0f2bd39ebd50f4850190262f3708596eafd1ddc429f58ce37a70269b737504c587823966226feae3e50ee

    • SSDEEP

      98304:/euWR/qF4xZTMRW2OkGNFygVrZ9OWNKR:GuWB4WFbZ9OWNK

    • 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.

    • 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