Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/08/2023, 17:03

General

  • Target
    49d9514b57c50aa44bd4076e881f210f9e7cc583a185e3cfa0e80cd8b6ed2fca.exe
  • Size 650KB
  • Sample230827-vkpg6sdf41
  • SHA256 49d9514b57c50aa44bd4076e881f210f9e7cc583a185e3cfa0e80cd8b6ed2fca
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 13 IoCs
  • Gh0strat

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

  • PurpleFox

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

  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 15 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Runs ping.exe 1 TTPs 1 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\49d9514b57c50aa44bd4076e881f210f9e7cc583a185e3cfa0e80cd8b6ed2fca.exe
    "C:\Users\Admin\AppData\Local\Temp\49d9514b57c50aa44bd4076e881f210f9e7cc583a185e3cfa0e80cd8b6ed2fca.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2692
    • 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\49D951~1.EXE > nul
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2204
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 2 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1184
  • C:\Windows\SysWOW64\Phxph.exe
    C:\Windows\SysWOW64\Phxph.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\SysWOW64\Phxph.exe
      C:\Windows\SysWOW64\Phxph.exe -acsi
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:4564

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Phxph.exe

        • Path C:\Windows\SysWOW64\Phxph.exe
        • Size 650KB
        • SHA256 49d9514b57c50aa44bd4076e881f210f9e7cc583a185e3cfa0e80cd8b6ed2fca
        • MD5 SHA1 SHA512 SSDEEP

        Phxph.exe

        • Path C:\Windows\SysWOW64\Phxph.exe
        • Size 650KB
        • SHA256 49d9514b57c50aa44bd4076e881f210f9e7cc583a185e3cfa0e80cd8b6ed2fca
        • MD5 SHA1 SHA512 SSDEEP

        Phxph.exe

        • Path C:\Windows\SysWOW64\Phxph.exe
        • Size 650KB
        • SHA256 49d9514b57c50aa44bd4076e881f210f9e7cc583a185e3cfa0e80cd8b6ed2fca
        • MD5 SHA1 SHA512 SSDEEP

        memory/1708-11-0x0000000010000000-0x00000000101BA000-memory.dmp

        memory/1708-13-0x0000000010000000-0x00000000101BA000-memory.dmp

        memory/1708-17-0x0000000010000000-0x00000000101BA000-memory.dmp

        memory/1708-9-0x0000000010000000-0x00000000101BA000-memory.dmp

        memory/1708-12-0x0000000010000000-0x00000000101BA000-memory.dmp

        memory/2692-2-0x0000000010000000-0x00000000101BA000-memory.dmp

        memory/2692-0-0x0000000010000000-0x00000000101BA000-memory.dmp

        memory/2692-3-0x0000000010000000-0x00000000101BA000-memory.dmp

        memory/2692-14-0x0000000010000000-0x00000000101BA000-memory.dmp

        memory/2692-4-0x0000000010000000-0x00000000101BA000-memory.dmp

        memory/4564-20-0x0000000010000000-0x00000000101BA000-memory.dmp

        memory/4564-21-0x0000000010000000-0x00000000101BA000-memory.dmp

        memory/4564-22-0x0000000010000000-0x00000000101BA000-memory.dmp

        memory/4564-24-0x0000000010000000-0x00000000101BA000-memory.dmp

        memory/4564-27-0x0000000010000000-0x00000000101BA000-memory.dmp