Overview

overview

10

Static

static

3

bdc0648dfb...30.exe

windows10-2004-x64

10

bdc0648dfb...30.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    bdc0648dfb856f8f5da0a338de5188e16a7aedbf099e9f223ad78eea0341bd30
  • Size 4.0MB
  • Sample261011-yfwbpscv8t
  • SHA256 bdc0648dfb856f8f5da0a338de5188e16a7aedbf099e9f223ad78eea0341bd30
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
gh0stratpurplefoxdefense_evasiondiscoveryexecutionpersistenceratrootkittrojanupx

Malware Config

Targets

    • Target
      bdc0648dfb856f8f5da0a338de5188e16a7aedbf099e9f223ad78eea0341bd30
    • Size 4.0MB
    • SHA256 bdc0648dfb856f8f5da0a338de5188e16a7aedbf099e9f223ad78eea0341bd30
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutiongh0stratpurplefoxpersistenceratrootkittrojanupx

    • Detect PurpleFox Rootkit

      Detect PurpleFox Rootkit.

      rootkit

    • Family: Gh0strat

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

      ratgh0strat

    • Family: PurpleFox

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

      rootkittrojanpurplefox

    • Gh0st RAT payload

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

      defense_evasion

    • Drops file in Drivers directory

    • Server Software Component: Terminal Services DLL

      persistence

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

      persistence

    • Executes dropped EXE

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

      defense_evasion

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Server Software Component

1
T1505

Terminal Services DLL

1
T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Debugger Evasion

1
T1622

Modify Registry

1
T1112

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Debugger Evasion

1
T1622

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

1
T1016.001

Virtualization/Sandbox Evasion

2
T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks