Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/06/2024, 08:43

General

  • Target
    312d836a9f6dc81cc96ca2d75f1cc09fc15a1741b3ba7c85f6ae3a62edc39def.exe
  • Size 2.5MB
  • Sample240625-km4prssfkm
  • SHA256 312d836a9f6dc81cc96ca2d75f1cc09fc15a1741b3ba7c85f6ae3a62edc39def
  • 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
  • Server Software Component: Terminal Services DLL 1 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 39 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 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\312d836a9f6dc81cc96ca2d75f1cc09fc15a1741b3ba7c85f6ae3a62edc39def.exe
    "C:\Users\Admin\AppData\Local\Temp\312d836a9f6dc81cc96ca2d75f1cc09fc15a1741b3ba7c85f6ae3a62edc39def.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2164
    • 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:4792
      • 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:512
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:5032
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2156
    • C:\Users\Admin\AppData\Local\Temp\HD_312d836a9f6dc81cc96ca2d75f1cc09fc15a1741b3ba7c85f6ae3a62edc39def.exe
      C:\Users\Admin\AppData\Local\Temp\HD_312d836a9f6dc81cc96ca2d75f1cc09fc15a1741b3ba7c85f6ae3a62edc39def.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1940
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:464
    • 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:4252
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:1604
    • 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:5060
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240609453.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1348

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          HD_312d836a9f6dc81cc96ca2d75f1cc09fc15a1741b3ba7c85f6ae3a62edc39def.exe

          • Path C:\Users\Admin\AppData\Local\Temp\HD_312d836a9f6dc81cc96ca2d75f1cc09fc15a1741b3ba7c85f6ae3a62edc39def.exe
          • Size 954KB
          • SHA256 e098dcdd02aa25d43f671f76d430b28ad46cb0ec089a85fe205a7bb22219e5bf
          • MD5 SHA1 SHA512 SSDEEP

          HD_X.dat

          • Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
          • Size 1.6MB
          • SHA256 c8f8caac239c625d774546ebec95167d13c73af92fdae3b79db309c8380c9e6a
          • 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

          240609453.txt

          • Path C:\Windows\SysWOW64\240609453.txt
          • Size 50KB
          • SHA256 5c27486b11620f26e4659c0453f53728550a618fac10554eed26bd6f9b7e3fdc
          • 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/464-31-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/464-13-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/464-17-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/464-16-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/464-15-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/1940-66-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-78-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-140-0x0000000000400000-0x00000000006B8000-memory.dmp

          memory/1940-60-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-72-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-51-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-49-0x0000000000400000-0x00000000006B8000-memory.dmp

          memory/1940-50-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-54-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-88-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-92-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-90-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-52-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-86-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-84-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-82-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-80-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-57-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-76-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-74-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-70-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-69-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-58-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-64-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/1940-62-0x0000000010000000-0x000000001003E000-memory.dmp

          memory/4252-32-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4252-45-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4252-33-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4252-37-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4792-7-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4792-4-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4792-10-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4792-6-0x0000000010000000-0x00000000101B6000-memory.dmp