Overview

overview

10

Static

static

3

bb6c99ea9c...c7.exe

windows7-x64

10

bb6c99ea9c...c7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bb6c99ea9cbc5ba48e6e463599b6d4b77e1474510a95ecc63012589f52ea03c7

  • Size

    1.8MB

  • Sample

    250126-ekhrma1mhs

  • MD5

    6b7ebea08280ece2d639a25500562931

  • SHA1

    5bde8d9461386e7b8564046f1a7daa86c878e877

  • SHA256

    bb6c99ea9cbc5ba48e6e463599b6d4b77e1474510a95ecc63012589f52ea03c7

  • SHA512

    b0a4f096fbb94b3ca2fa6f70ff86e06d9548c8a487c34165dacd1a70e684d2a5157f866614d3f3d2dc4423858f011304898e4403af2db4e63e341732edac16bc

  • SSDEEP

    49152:tOoAU+BU3e4P9K3UMD3hxG58HF2l6eiI/VF8iPvf:kBXaJPInqgFSXjj

Score
10/10
gcleanerdefense_evasiondiscoveryloader

Malware Config

Targets

    • Target

      bb6c99ea9cbc5ba48e6e463599b6d4b77e1474510a95ecc63012589f52ea03c7

    • Size

      1.8MB

    • MD5

      6b7ebea08280ece2d639a25500562931

    • SHA1

      5bde8d9461386e7b8564046f1a7daa86c878e877

    • SHA256

      bb6c99ea9cbc5ba48e6e463599b6d4b77e1474510a95ecc63012589f52ea03c7

    • SHA512

      b0a4f096fbb94b3ca2fa6f70ff86e06d9548c8a487c34165dacd1a70e684d2a5157f866614d3f3d2dc4423858f011304898e4403af2db4e63e341732edac16bc

    • SSDEEP

      49152:tOoAU+BU3e4P9K3UMD3hxG58HF2l6eiI/VF8iPvf:kBXaJPInqgFSXjj

    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