Overview

overview

10

Static

static

3

538d321fa6...b6.exe

windows10-2004-x64

10

538d321fa6...b6.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/04/2025, 17:44

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General

  • Target

    538d321fa6e0fae3d2e7b1a41834208f55e3f81572f8e26058f52d665c87bbb6.exe

  • Size

    1.4MB

  • MD5

    bf6bbdc60d441d65ab49df5b236e53a7

  • SHA1

    42648a5a921e3374ba762e2c8da78bdf9a65a250

  • SHA256

    538d321fa6e0fae3d2e7b1a41834208f55e3f81572f8e26058f52d665c87bbb6

  • SHA512

    5b25139ef1ea73a0205b8d5f2505f0b6cdf51b486db09700b793be46b112aa3d57ef6d990a0cfe472905a55763f2c7ff34648fe4c90576ad190eb00cf6ace6b0

  • SSDEEP

    24576:F39WaOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN:598HPkVOBTK

Score
10/10
gh0stratpurplefoxdiscoverypersistenceratrootkittrojan

Malware Config

Signatures

  • Detect PurpleFox Rootkit 3 IoCs

    Detect PurpleFox Rootkit.

    rootkit
  • Gh0st RAT payload 3 IoCs
  • Gh0strat

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

    ratgh0strat
  • Gh0strat family
    gh0strat
  • PurpleFox

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

    rootkittrojanpurplefox
  • Purplefox family
    purplefox
  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 5 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\538d321fa6e0fae3d2e7b1a41834208f55e3f81572f8e26058f52d665c87bbb6.exe
    "C:\Users\Admin\AppData\Local\Temp\538d321fa6e0fae3d2e7b1a41834208f55e3f81572f8e26058f52d665c87bbb6.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2980
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\538D32~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4480
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 2 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3436
  • C:\Windows\SysWOW64\Telegram.exe
    C:\Windows\SysWOW64\Telegram.exe -auto
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:624
    • C:\Windows\SysWOW64\Telegram.exe
      C:\Windows\SysWOW64\Telegram.exe -acsi
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:1984

Network

MITRE ATT&CK Enterprise v16

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Downloads

  • C:\Windows\SysWOW64\Telegram.exe
    Filesize

    1.4MB

    MD5

    bf6bbdc60d441d65ab49df5b236e53a7

    SHA1

    42648a5a921e3374ba762e2c8da78bdf9a65a250

    SHA256

    538d321fa6e0fae3d2e7b1a41834208f55e3f81572f8e26058f52d665c87bbb6

    SHA512

    5b25139ef1ea73a0205b8d5f2505f0b6cdf51b486db09700b793be46b112aa3d57ef6d990a0cfe472905a55763f2c7ff34648fe4c90576ad190eb00cf6ace6b0

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  • memory/624-10-0x0000000010000000-0x000000001019F000-memory.dmp

    Filesize

    1.6MB

    Download

  • memory/1984-17-0x0000000010000000-0x000000001019F000-memory.dmp

    Filesize

    1.6MB

    Download

  • memory/2980-0-0x0000000010000000-0x000000001019F000-memory.dmp

    Filesize

    1.6MB

    Download