Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/05/2024, 14:56

General

  • Target
    15fd2ff5c69d2d2da4bb498da07e48dfb647ad07ce30e0121bb6b1712298d399.exe
  • Size 2.3MB
  • Sample240526-sa6btsba88
  • SHA256 15fd2ff5c69d2d2da4bb498da07e48dfb647ad07ce30e0121bb6b1712298d399
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect PurpleFox Rootkit 10 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 11 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 4 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 12 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\15fd2ff5c69d2d2da4bb498da07e48dfb647ad07ce30e0121bb6b1712298d399.exe
    "C:\Users\Admin\AppData\Local\Temp\15fd2ff5c69d2d2da4bb498da07e48dfb647ad07ce30e0121bb6b1712298d399.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:1544
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 460
        3⤵
        • Program crash
        PID:3484
    • C:\Users\Admin\AppData\Local\Temp\N.exe
      C:\Users\Admin\AppData\Local\Temp\\N.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5044
      • 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\N.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4152
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2304
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1544 -ip 1544
    1⤵
      PID:3752
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4080
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.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:3024

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          HD_X.dat

          • Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
          • Size 2.3MB
          • SHA256 15fd2ff5c69d2d2da4bb498da07e48dfb647ad07ce30e0121bb6b1712298d399
          • MD5 SHA1 SHA512 SSDEEP

          N.exe

          • Path C:\Users\Admin\AppData\Local\Temp\N.exe
          • Size 377KB
          • SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
          • MD5 SHA1 SHA512 SSDEEP

          R.exe

          • Path C:\Users\Admin\AppData\Local\Temp\R.exe
          • Size 941KB
          • SHA256 bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
          • MD5 SHA1 SHA512 SSDEEP

          240612515.txt

          • Path C:\Windows\SysWOW64\240612515.txt
          • Size 899KB
          • SHA256 7d71866de1669cc5767f859ad50da2873f54d8bcda2792269bccae7c96d0bc49
          • MD5 SHA1 SHA512 SSDEEP

          memory/3024-51-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/3024-49-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/3024-46-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4080-25-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4080-24-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4080-21-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4080-23-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4080-45-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/5044-14-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/5044-18-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/5044-15-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/5044-12-0x0000000010000000-0x00000000101B6000-memory.dmp