Overview

overview

10

Static

static

3

633fa2a9a7...e4.exe

windows7-x64

10

633fa2a9a7...e4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    633fa2a9a7898aa8b4820c77e04c8b66c68dd9da0b9214a9e6de478b5c1534e4

  • Size

    1.9MB

  • Sample

    250127-epewjazmfy

  • MD5

    c4d5a305d2a90b39059a30dbd2310107

  • SHA1

    9a3194e8c19fe6de03623075550775be623a786c

  • SHA256

    633fa2a9a7898aa8b4820c77e04c8b66c68dd9da0b9214a9e6de478b5c1534e4

  • SHA512

    ebbf621ed618eaa3cb0944b3d26f920382e33557cadc5d6b8bf825ded5041ab041b40a6e7f9e26329f5f6a3816e8908a2ec1272d4e375830b6851796ee2bfd8a

  • SSDEEP

    49152:N6AywSAjpJAR7CVVyECU3SWzbe79RB3/u7cY:N6AQAjAeV7LvMzJ

Score
10/10
gcleanerdefense_evasiondiscoveryloader

Malware Config

Targets

    • Target

      633fa2a9a7898aa8b4820c77e04c8b66c68dd9da0b9214a9e6de478b5c1534e4

    • Size

      1.9MB

    • MD5

      c4d5a305d2a90b39059a30dbd2310107

    • SHA1

      9a3194e8c19fe6de03623075550775be623a786c

    • SHA256

      633fa2a9a7898aa8b4820c77e04c8b66c68dd9da0b9214a9e6de478b5c1534e4

    • SHA512

      ebbf621ed618eaa3cb0944b3d26f920382e33557cadc5d6b8bf825ded5041ab041b40a6e7f9e26329f5f6a3816e8908a2ec1272d4e375830b6851796ee2bfd8a

    • SSDEEP

      49152:N6AywSAjpJAR7CVVyECU3SWzbe79RB3/u7cY:N6AQAjAeV7LvMzJ

    Score
    10/10
    gcleanerdefense_evasiondiscoveryloader

    • GCleaner

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

      loadergcleaner

    • Gcleaner family

      gcleaner

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

      defense_evasion

    • 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.

      defense_evasion

    • Loads dropped DLL

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks