Overview

overview

10

Static

static

3

92a8a8f5fb...db.exe

windows7-x64

10

92a8a8f5fb...db.exe

windows10-2004-x64

10

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General

  • Target

    92a8a8f5fbf19f583536f9c3bb70e5db.exe

  • Size

    4.5MB

  • Sample

    250326-sjkrgsxtbw

  • MD5

    92a8a8f5fbf19f583536f9c3bb70e5db

  • SHA1

    8c4fd01541cdf56c2d24a0323b25855efdc0f02d

  • SHA256

    d3b494428053c4d255f7d092850f73d944d609675f7c4b1a56d400fd4d2b8813

  • SHA512

    68d14aa14da43cfdfa539833d44362cc22b8500c9c2bfb8579636e6649821ea575d242bdf282e8957ccca49869be74b55dd99cdfb6d014ea6824361a84203a47

  • SSDEEP

    98304:76oKhEPphKTL5yya2wuE+RpJq8dXRt6zJ2cG8UlBCY:7KqSTPaCE4q8/MzXGFlBCY

Score
10/10
gcleanerdefense_evasiondiscoveryloader

Malware Config

Targets

    • Target

      92a8a8f5fbf19f583536f9c3bb70e5db.exe

    • Size

      4.5MB

    • MD5

      92a8a8f5fbf19f583536f9c3bb70e5db

    • SHA1

      8c4fd01541cdf56c2d24a0323b25855efdc0f02d

    • SHA256

      d3b494428053c4d255f7d092850f73d944d609675f7c4b1a56d400fd4d2b8813

    • SHA512

      68d14aa14da43cfdfa539833d44362cc22b8500c9c2bfb8579636e6649821ea575d242bdf282e8957ccca49869be74b55dd99cdfb6d014ea6824361a84203a47

    • SSDEEP

      98304:76oKhEPphKTL5yya2wuE+RpJq8dXRt6zJ2cG8UlBCY:7KqSTPaCE4q8/MzXGFlBCY

    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.

    • 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.

      defense_evasion

    • Loads dropped DLL

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks