Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/05/2024, 17:03

General

  • Target
    35ee90b7ab8222acce64331236de7c0d2ec4e8b051f8607a9e0152916d54b13b.exe
  • Size 6.2MB
  • Sample240528-vkxtjsdg43
  • SHA256 35ee90b7ab8222acce64331236de7c0d2ec4e8b051f8607a9e0152916d54b13b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 12 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 DLL path for service in the registry 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 13 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\35ee90b7ab8222acce64331236de7c0d2ec4e8b051f8607a9e0152916d54b13b.exe
    "C:\Users\Admin\AppData\Local\Temp\35ee90b7ab8222acce64331236de7c0d2ec4e8b051f8607a9e0152916d54b13b.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\\svchost.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3592
      • 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\svchost.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:208
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:4576
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:384
    • C:\Users\Admin\AppData\Local\Temp\HD_35ee90b7ab8222acce64331236de7c0d2ec4e8b051f8607a9e0152916d54b13b.exe
      C:\Users\Admin\AppData\Local\Temp\HD_35ee90b7ab8222acce64331236de7c0d2ec4e8b051f8607a9e0152916d54b13b.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4672
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4516
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.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:1644
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2560
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:508
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240597343.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1060

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          HD_35ee90b7ab8222acce64331236de7c0d2ec4e8b051f8607a9e0152916d54b13b.exe

          • Path C:\Users\Admin\AppData\Local\Temp\HD_35ee90b7ab8222acce64331236de7c0d2ec4e8b051f8607a9e0152916d54b13b.exe
          • Size 4.5MB
          • SHA256 c34da741e82529ec5942079ecff532ad10e03d8882de262a6f0ac31842c4d20d
          • MD5 SHA1 SHA512 SSDEEP

          HD_X.dat

          • Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
          • Size 1.6MB
          • SHA256 d5a25cecece4a7bd489e867803e0039314c1ea21d235b465ec7056f4e6f039e3
          • MD5 SHA1 SHA512 SSDEEP

          svchos.exe

          • Path C:\Users\Admin\AppData\Local\Temp\svchos.exe
          • Size 93KB
          • SHA256 62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
          • MD5 SHA1 SHA512 SSDEEP

          svchost.exe

          • Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
          • Size 377KB
          • SHA256 6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
          • MD5 SHA1 SHA512 SSDEEP

          240597343.txt

          • Path C:\Windows\SysWOW64\240597343.txt
          • Size 50KB
          • SHA256 31cd0fb4621e1dad2398041e8e36fd3cdaebf7c3743fee8b6eccf3eff771e838
          • MD5 SHA1 SHA512 SSDEEP

          Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

          • Path C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
          • Size 60KB
          • SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
          • MD5 SHA1 SHA512 SSDEEP

          memory/1644-26-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/1644-40-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/1644-37-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/1644-33-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/3592-7-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/3592-10-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/3592-6-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/3592-4-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4516-23-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4516-16-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4516-17-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4516-13-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4516-15-0x0000000010000000-0x00000000101B6000-memory.dmp