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
    29/05/2024, 05:10

General

  • Target
    d13e2518559d3b675211d3084878a9e9015fda966ea44b673b6486d66eaf7352.exe
  • Size 9.5MB
  • Sample240529-ft4k5abe3s
  • SHA256 d13e2518559d3b675211d3084878a9e9015fda966ea44b673b6486d66eaf7352
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect PurpleFox Rootkit 10 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).

  • Program crash 1 IoCs
  • 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 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d13e2518559d3b675211d3084878a9e9015fda966ea44b673b6486d66eaf7352.exe
    "C:\Users\Admin\AppData\Local\Temp\d13e2518559d3b675211d3084878a9e9015fda966ea44b673b6486d66eaf7352.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3428
    • 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:4448
      • 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:464
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2700
    • 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:2992
    • C:\Users\Admin\AppData\Local\Temp\HD_d13e2518559d3b675211d3084878a9e9015fda966ea44b673b6486d66eaf7352.exe
      C:\Users\Admin\AppData\Local\Temp\HD_d13e2518559d3b675211d3084878a9e9015fda966ea44b673b6486d66eaf7352.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4820
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4820 -s 924
        3⤵
        • Program crash
        PID:2308
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4896
    • 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:3976
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:1080
    • 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:60
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240606890.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4252
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4820 -ip 4820
      1⤵
        PID:2980

      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 1.5MB
            • SHA256 251416b1d6e77f81408d7c97a12d55740eb7d5725543c76f04495239c53f4975
            • MD5 SHA1 SHA512 SSDEEP

            HD_d13e2518559d3b675211d3084878a9e9015fda966ea44b673b6486d66eaf7352.exe

            • Path C:\Users\Admin\AppData\Local\Temp\HD_d13e2518559d3b675211d3084878a9e9015fda966ea44b673b6486d66eaf7352.exe
            • Size 8.0MB
            • SHA256 6fbe48bd6ebfccb43dedc63cc12eb0e52da3fecf84069c27ac51fc503df447e4
            • MD5 SHA1 SHA512 SSDEEP

            X.ico

            • Path C:\Users\Admin\AppData\Local\Temp\X.ico
            • Size 71KB
            • SHA256 f2a78e76259bc8fd4ab6af7b4e16dfb49a10643308aca3d14c09e61ac0ebd487
            • 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

            240606890.txt

            • Path C:\Windows\SysWOW64\240606890.txt
            • Size 50KB
            • SHA256 ae2cbccc6aa836f98b267f38f2b7ec57d251658c62a46c67b1c9c1c4d45c70a9
            • 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/3976-22-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/3976-37-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/3976-44-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/3976-48-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4448-7-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4448-5-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4448-10-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4448-6-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4820-49-0x0000000010000000-0x0000000010116000-memory.dmp

            memory/4896-41-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4896-17-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4896-16-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4896-13-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4896-15-0x0000000010000000-0x00000000101B6000-memory.dmp