Overview

overview

10

Static

static

3

83af939d75...67.exe

windows7-x64

10

83af939d75...67.exe

windows10-2004-x64

10

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General

  • Target

    83af939d7561cc9657b48bc91b33e353553415a64044fdc49ff784b7b53dce67.exe

  • Size

    1.9MB

  • Sample

    250121-c28y2a1rfp

  • MD5

    2c8a5fea060265c4a888008a31c41a9f

  • SHA1

    f39f5203a06859b2ec060799118716429cb69755

  • SHA256

    83af939d7561cc9657b48bc91b33e353553415a64044fdc49ff784b7b53dce67

  • SHA512

    6ed694c27b605b6f82d39bfe75f110fc9c3e4e47364ba1be8b8a451a7c274aded6273c616ba99354addf362de5557695cca3558aa98b8a20f43923bb0cf6b51c

  • SSDEEP

    49152:KYs2rGlafYVN+pXbIBRnWs1aDOLb0b6FEHunJz:56l82N+pX83nWs1ayLbkiEHo

Score
10/10
gcleanerdefense_evasiondiscoveryloader

Malware Config

Targets

    • Target

      83af939d7561cc9657b48bc91b33e353553415a64044fdc49ff784b7b53dce67.exe

    • Size

      1.9MB

    • MD5

      2c8a5fea060265c4a888008a31c41a9f

    • SHA1

      f39f5203a06859b2ec060799118716429cb69755

    • SHA256

      83af939d7561cc9657b48bc91b33e353553415a64044fdc49ff784b7b53dce67

    • SHA512

      6ed694c27b605b6f82d39bfe75f110fc9c3e4e47364ba1be8b8a451a7c274aded6273c616ba99354addf362de5557695cca3558aa98b8a20f43923bb0cf6b51c

    • SSDEEP

      49152:KYs2rGlafYVN+pXbIBRnWs1aDOLb0b6FEHunJz:56l82N+pX83nWs1ayLbkiEHo

    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