Overview

overview

10

Static

static

3

645898ef1a...c8.exe

windows7-x64

10

645898ef1a...c8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    645898ef1a72ce7cf0273e2c8ea35ad8f97deae39a761d9902bc9feb8b8eb5c8.exe

  • Size

    1.8MB

  • Sample

    250111-wmf49axpgl

  • MD5

    409f5a8a1d6f4784927da1683aac188e

  • SHA1

    4836617c21e379d7cf7b5b9705af88adbbaa0272

  • SHA256

    645898ef1a72ce7cf0273e2c8ea35ad8f97deae39a761d9902bc9feb8b8eb5c8

  • SHA512

    614efebe2a22d4c7ab616a04ec89c191ad9a8dae5e8a0dc032e8fa4661c3c7631bd2be0133522f710bcb2c3fa9582d1d707c410523591d03c0a935d07fb2082a

  • SSDEEP

    49152:ahUfVzpziZRVenJhyM5CtqW1t4+8lIQmCk+98Nux5aQ7d5ZilQ:ahUfgRVchy1qFlHkdux5BdcQ

Score
10/10
gcleanerdiscoveryevasionloader

Malware Config

Targets

    • Target

      645898ef1a72ce7cf0273e2c8ea35ad8f97deae39a761d9902bc9feb8b8eb5c8.exe

    • Size

      1.8MB

    • MD5

      409f5a8a1d6f4784927da1683aac188e

    • SHA1

      4836617c21e379d7cf7b5b9705af88adbbaa0272

    • SHA256

      645898ef1a72ce7cf0273e2c8ea35ad8f97deae39a761d9902bc9feb8b8eb5c8

    • SHA512

      614efebe2a22d4c7ab616a04ec89c191ad9a8dae5e8a0dc032e8fa4661c3c7631bd2be0133522f710bcb2c3fa9582d1d707c410523591d03c0a935d07fb2082a

    • SSDEEP

      49152:ahUfVzpziZRVenJhyM5CtqW1t4+8lIQmCk+98Nux5aQ7d5ZilQ:ahUfgRVchy1qFlHkdux5BdcQ

    Score
    10/10
    gcleanerdiscoveryevasionloader

    • 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)

      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.

      evasion

    • Loads dropped DLL

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks