Analysis

  • max time kernel
    150s
  • max time network
    136s
  • 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, 13:06

General

  • Target
    04dcfc6b2a2176f840813e0e446e6194eebf8130b01fa0bee732d920853875e3.exe
  • Size 2.4MB
  • Sample240526-qcaa3afb4x
  • SHA256 04dcfc6b2a2176f840813e0e446e6194eebf8130b01fa0bee732d920853875e3
  • 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 2 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\04dcfc6b2a2176f840813e0e446e6194eebf8130b01fa0bee732d920853875e3.exe
    "C:\Users\Admin\AppData\Local\Temp\04dcfc6b2a2176f840813e0e446e6194eebf8130b01fa0bee732d920853875e3.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3508
    • 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:1228
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1228 -s 448
        3⤵
        • Program crash
        PID:2792
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1228 -s 488
        3⤵
        • Program crash
        PID:4616
    • 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:3348
      • 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:4832
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:4880
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1228 -ip 1228
    1⤵
      PID:4284
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1228 -ip 1228
      1⤵
        PID:4344
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.exe -auto
        1⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:5104
        • 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:4772

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            HD_X.dat

            • Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
            • Size 2.4MB
            • SHA256 04dcfc6b2a2176f840813e0e446e6194eebf8130b01fa0bee732d920853875e3
            • 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

            240603828.txt

            • Path C:\Windows\SysWOW64\240603828.txt
            • Size 899KB
            • SHA256 d691aeeeab548aa41824f0a9215e2bb10f0b7ed6568ce92e52d6dc3a14a93e74
            • MD5 SHA1 SHA512 SSDEEP

            memory/3348-13-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/3348-18-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/3348-15-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/3348-14-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4772-44-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4772-48-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4772-49-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/5104-23-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/5104-25-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/5104-24-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/5104-43-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/5104-21-0x0000000010000000-0x00000000101B6000-memory.dmp