Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/06/2024, 17:15

General

  • Target
    c87d90a0b1dc224a814c877f5a525c76585096c7a0ad00a57fc141ea088ffe7f.exe
  • Size 2.9MB
  • Sample240625-vszccavgnp
  • SHA256 c87d90a0b1dc224a814c877f5a525c76585096c7a0ad00a57fc141ea088ffe7f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect PurpleFox Rootkit 9 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
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 12 IoCs

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

  • Checks system information in the registry 2 TTPs 2 IoCs

    System information is often read in order to detect sandboxing environments.

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c87d90a0b1dc224a814c877f5a525c76585096c7a0ad00a57fc141ea088ffe7f.exe
    "C:\Users\Admin\AppData\Local\Temp\c87d90a0b1dc224a814c877f5a525c76585096c7a0ad00a57fc141ea088ffe7f.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3380
    • 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:2412
      • 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:5108
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:3964
    • 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:3748
    • C:\Users\Admin\AppData\Local\Temp\HD_c87d90a0b1dc224a814c877f5a525c76585096c7a0ad00a57fc141ea088ffe7f.exe
      C:\Users\Admin\AppData\Local\Temp\HD_c87d90a0b1dc224a814c877f5a525c76585096c7a0ad00a57fc141ea088ffe7f.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:60
      • C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
        "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks system information in the registry
        PID:1524
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:208
    • 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:2348
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2224
    • 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:640
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240601265.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        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 1.3MB
          • SHA256 0cd9997c8ff6d348235ba2dca048238a22b17890b5b79eddd0e2db0cc4cd9e23
          • MD5 SHA1 SHA512 SSDEEP

          HD_c87d90a0b1dc224a814c877f5a525c76585096c7a0ad00a57fc141ea088ffe7f.exe

          • Path C:\Users\Admin\AppData\Local\Temp\HD_c87d90a0b1dc224a814c877f5a525c76585096c7a0ad00a57fc141ea088ffe7f.exe
          • Size 1.5MB
          • SHA256 0629d624639ada69818546593f3b172155f7a2e2ecb3a46f7503b52fcbdb29c5
          • MD5 SHA1 SHA512 SSDEEP

          System.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsw4A39.tmp\System.dll
          • Size 23KB
          • SHA256 98fc3368ede123d2626bb7aa561da05971eee0cbae59b3d68d8cee92214cf454
          • MD5 SHA1 SHA512 SSDEEP

          nsis_plugin.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsw4A39.tmp\nsis_plugin.dll
          • Size 2.1MB
          • SHA256 b3acedc0a099322ff50dba7f9dfc3d89bf1bca6824791a43c3b9c8bab544c44e
          • 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

          240601265.txt

          • Path C:\Windows\SysWOW64\240601265.txt
          • Size 50KB
          • SHA256 40b31ebd88c08aee0e9c8068c248165fdaed929117208a3152ef8aca811ac5b0
          • 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/208-13-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/208-46-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/208-15-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/208-17-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2348-22-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2348-47-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2348-61-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2348-102-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2412-10-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2412-5-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2412-7-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2412-6-0x0000000010000000-0x00000000101B6000-memory.dmp