Overview

overview

10

Static

static

3

4fa1ce39b5...8c.exe

windows7-x64

10

4fa1ce39b5...8c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4fa1ce39b5f29fdae146f1e6a5b120c39f0dc07a9a312a453f235221cde8328c

  • Size

    1.9MB

  • Sample

    250127-jybbxsynez

  • MD5

    afba61fad6890456661c035c83e5ff76

  • SHA1

    e8e2405e5b619b222b4605fb8857b6f932db8deb

  • SHA256

    4fa1ce39b5f29fdae146f1e6a5b120c39f0dc07a9a312a453f235221cde8328c

  • SHA512

    bf84a0bede5623bb70e98a76a8ba23e1c48eb9291b9e4991b750035071f45a2929b719f401ecfe7fb64ef3d9d70e41f174cd65f3fc63f760c235cb8ebf69c4ce

  • SSDEEP

    49152:F0FrJzukZeAAtBPrgzq+KIn6+mBzxCxUv5eJm3I17:uVJztZenhkzq+VnEzxCxOeJm3I7

Score
10/10
gcleanerdefense_evasiondiscoveryloader

Malware Config

Targets

    • Target

      4fa1ce39b5f29fdae146f1e6a5b120c39f0dc07a9a312a453f235221cde8328c

    • Size

      1.9MB

    • MD5

      afba61fad6890456661c035c83e5ff76

    • SHA1

      e8e2405e5b619b222b4605fb8857b6f932db8deb

    • SHA256

      4fa1ce39b5f29fdae146f1e6a5b120c39f0dc07a9a312a453f235221cde8328c

    • SHA512

      bf84a0bede5623bb70e98a76a8ba23e1c48eb9291b9e4991b750035071f45a2929b719f401ecfe7fb64ef3d9d70e41f174cd65f3fc63f760c235cb8ebf69c4ce

    • SSDEEP

      49152:F0FrJzukZeAAtBPrgzq+KIn6+mBzxCxUv5eJm3I17:uVJztZenhkzq+VnEzxCxOeJm3I7

    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