Overview

overview

10

Static

static

3

fb8b03b7bd...85.exe

windows7-x64

10

fb8b03b7bd...85.exe

windows10-2004-x64

10

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General

  • Target

    fb8b03b7bd6928ebbdb2fd6affa3fd01c66cd8d2dab3df04ae084d2479ebf385

  • Size

    1.9MB

  • Sample

    250126-3p7tbazjh1

  • MD5

    4293d8058eb0a9efb4de1fd1b2aa9ab9

  • SHA1

    089905eaaecc4b0183bb6857383c905da0ab62f8

  • SHA256

    fb8b03b7bd6928ebbdb2fd6affa3fd01c66cd8d2dab3df04ae084d2479ebf385

  • SHA512

    a8adb087dcf7652a895a0c0e9902ce7939c0262498a5c7110694a16742407091f3e23e33288659114cc6078549a3ea2baa8c8750cf1098ed6aa43f2cf2008ffc

  • SSDEEP

    49152:UuyVeljQKsJCjIwtjZgmfeO02WpFxPYGWx+:mVeljQKsJCj9j+mG7FPYGk

Score
10/10
gcleanerdefense_evasiondiscoveryloader

Malware Config

Targets

    • Target

      fb8b03b7bd6928ebbdb2fd6affa3fd01c66cd8d2dab3df04ae084d2479ebf385

    • Size

      1.9MB

    • MD5

      4293d8058eb0a9efb4de1fd1b2aa9ab9

    • SHA1

      089905eaaecc4b0183bb6857383c905da0ab62f8

    • SHA256

      fb8b03b7bd6928ebbdb2fd6affa3fd01c66cd8d2dab3df04ae084d2479ebf385

    • SHA512

      a8adb087dcf7652a895a0c0e9902ce7939c0262498a5c7110694a16742407091f3e23e33288659114cc6078549a3ea2baa8c8750cf1098ed6aa43f2cf2008ffc

    • SSDEEP

      49152:UuyVeljQKsJCjIwtjZgmfeO02WpFxPYGWx+:mVeljQKsJCj9j+mG7FPYGk

    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