Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 07:28

General

  • Target

    8fc82ac0223d2a839376deaddefa96e715708157ba483121601119d23790eed4.exe

  • Size

    4.8MB

  • MD5

    b13109c0a0e825cd0e79c60291709522

  • SHA1

    8836c4d20644d26f5a5f3028969fcc26bc3d686f

  • SHA256

    8fc82ac0223d2a839376deaddefa96e715708157ba483121601119d23790eed4

  • SHA512

    aabf21c7d4cf58285016dc89afe1e2b0834ad7b7841b17ae26c44d74fbefb8c89aadc414d382ce4578a680f6be856db1bd6cd6b511229e820503cbdc10d45eec

  • SSDEEP

    98304:KGdVyVT9nOgmhM5dyWRudqIqf7UbXsPN5kiQaZ56:5WT9nO7Iol7S7z5VP6

Malware Config

Signatures

  • Detect PurpleFox Rootkit 12 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 13 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 15 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 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8fc82ac0223d2a839376deaddefa96e715708157ba483121601119d23790eed4.exe
    "C:\Users\Admin\AppData\Local\Temp\8fc82ac0223d2a839376deaddefa96e715708157ba483121601119d23790eed4.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4280
    • 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:744
      • 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:1232
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2468
    • 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:1576
    • C:\Users\Admin\AppData\Local\Temp\HD_8fc82ac0223d2a839376deaddefa96e715708157ba483121601119d23790eed4.exe
      C:\Users\Admin\AppData\Local\Temp\HD_8fc82ac0223d2a839376deaddefa96e715708157ba483121601119d23790eed4.exe
      2⤵
      • Executes dropped EXE
      PID:1604
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4884
    • 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:4844
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:4376
    • 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:4896
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240601625.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2020

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_8fc82ac0223d2a839376deaddefa96e715708157ba483121601119d23790eed4.exe

      Filesize

      3.1MB

      MD5

      fb083acd60fe5c3156dc25442be815e3

      SHA1

      61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

      SHA256

      f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

      SHA512

      7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

    • C:\Users\Admin\AppData\Local\Temp\HD_X.dat

      Filesize

      1.7MB

      MD5

      4a52670696808889ad856e058ab8ef3d

      SHA1

      3bfc27027d27aa9a136173edf1679b3502411151

      SHA256

      749be5dc22530b4709e3f4c298638bcdd28fc9aa4a5f6cd0ad42b1450811e739

      SHA512

      eb1c35c09c6a8b25ce4840b393b1d3beb16222921eddb52449101d1756a75b9683222d23f7ab16b5075d08bb18243748c9db9b21ff783f81f5577e5ac6b0156a

    • C:\Users\Admin\AppData\Local\Temp\svchos.exe

      Filesize

      93KB

      MD5

      3b377ad877a942ec9f60ea285f7119a2

      SHA1

      60b23987b20d913982f723ab375eef50fafa6c70

      SHA256

      62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

      SHA512

      af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

    • C:\Users\Admin\AppData\Local\Temp\svchost.exe

      Filesize

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

    • C:\Windows\SysWOW64\240601625.txt

      Filesize

      50KB

      MD5

      9ccddd59f4e2f410ca7deecc1a812b49

      SHA1

      f9b891488db714060209bf9d9b67a4fca253e630

      SHA256

      53cec28f0fe68200f49a95028fabc6f745f4909d5a7a049329373bd86341d213

      SHA512

      07ad5e38ac70253f1beea371fe0b63792e41445bac7c438a5f7438c7f9bb3e58fe87cb59bfdfeb968a21a2cfabd7ad113430454ae27163853e6771c1f4ec344a

    • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/744-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/744-10-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/744-4-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/744-6-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4844-84-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4844-89-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4844-88-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4844-83-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4844-82-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4844-80-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4884-16-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4884-15-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4884-13-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4884-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4884-27-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB