Overview

overview

10

Static

static

3

random.exe

windows10-ltsc 2021-x64

10

random.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    random.exe
  • Size 3.8MB
  • Sample250301-r2gbcatp13
  • SHA256 a37fb612a18009d2508a94170a2464bb7c7acd57fa9fcb23b28a0d2e4c45a6e6
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
gcleanerdefense_evasiondiscoveryloader

Malware Config

Extracted

Family

  • gcleaner

C2

  • 185.156.73.73

Targets

    • Target
      random.exe
    • Size 3.8MB
    • SHA256 a37fb612a18009d2508a94170a2464bb7c7acd57fa9fcb23b28a0d2e4c45a6e6
    • MD5 SHA1 SHA512 SSDEEP
    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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks