Overview

overview

10

Static

static

3

ac8bd68378...72.exe

windows7-x64

10

ac8bd68378...72.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72

  • Size

    8.5MB

  • Sample

    240526-fxmrsagc3y

  • MD5

    0f67cc2e42069cb24164a7c3a2b3e9cd

  • SHA1

    686c7573dceba02a5e49327521dcb7134c809225

  • SHA256

    ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72

  • SHA512

    adc182784d20037b4aff44592bad44139a6bc60cd7da0e96bf456ee32f8503b708fe4dec98f65bf7037e8cc91ef595837b2ea695989618005081ad9470c25a3b

  • SSDEEP

    196608:DWT9nO7MzOJRCsU3lHOYhE0dutEcKEmmI1nzH59a3K2ZXVVoVeB:Z7EO3xatvE05EW1zH5V2ZFVoVeB

Score
10/10
gh0stratpurplefoxbootkitevasionpersistenceratrootkittrojanupx

Malware Config

Targets

    • Target

      ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72

    • Size

      8.5MB

    • MD5

      0f67cc2e42069cb24164a7c3a2b3e9cd

    • SHA1

      686c7573dceba02a5e49327521dcb7134c809225

    • SHA256

      ac8bd683789d6db878e85696e43346bc92d468e4524a1aa0ae319975d6dd2c72

    • SHA512

      adc182784d20037b4aff44592bad44139a6bc60cd7da0e96bf456ee32f8503b708fe4dec98f65bf7037e8cc91ef595837b2ea695989618005081ad9470c25a3b

    • SSDEEP

      196608:DWT9nO7MzOJRCsU3lHOYhE0dutEcKEmmI1nzH59a3K2ZXVVoVeB:Z7EO3xatvE05EW1zH5V2ZFVoVeB

    Score
    10/10
    gh0stratpurplefoxbootkitevasionpersistenceratrootkittrojanupx

    • Detect PurpleFox Rootkit

      Detect PurpleFox Rootkit.

      rootkit

    • Gh0st RAT payload

    • Gh0strat

      Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

      ratgh0strat

    • PurpleFox

      PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

      rootkittrojanpurplefox

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Drops file in Drivers directory

    • Sets DLL path for service in the registry

      persistence

    • Sets service image path in registry

      persistence

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks whether UAC is enabled

      evasiontrojan

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks