Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 11:41

General

  • Target

    27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe

  • Size

    4.8MB

  • MD5

    7c672c41261ad5cf3f534db962c05d5f

  • SHA1

    9c0899ac6388aa4b6924846700bba7ba8e8fc002

  • SHA256

    27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544

  • SHA512

    7bac404612c6ba8ab85e5c46e49f12c7bd38649de16fbe18c1e6234e4071e30cc111c115ec2934c9df95810f9bc74b887ee32dadb4ae5bd142707710b922f7fb

  • SSDEEP

    49152:sQZAdVyVT9n/Gg0P+WhoogTbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8w:NGdVyVT9nOgmh6TbXsPN5kiQaZ56

Malware Config

Signatures

  • Detect PurpleFox Rootkit 9 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 10 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 8 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 4 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 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe
    "C:\Users\Admin\AppData\Local\Temp\27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2872
    • 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:2320
      • 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:2616
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2536
    • 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:2532
    • C:\Users\Admin\AppData\Local\Temp\HD_27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe
      C:\Users\Admin\AppData\Local\Temp\HD_27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe
      2⤵
      • Executes dropped EXE
      PID:2892
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2340
    • 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:2556
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2396
    • 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:2408
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259397058.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1560

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1.8MB

      MD5

      160ac924f24cce97b633b0414ba77aab

      SHA1

      6b9d7899d732aa04a56538d2e469e37bf72639a3

      SHA256

      67d9ca458535e85d6430943a6963ca588939daf6f6bb9abb09cdfca4d325d69b

      SHA512

      b4d40ad983b0144c795ffb22dd50376fee927d8ead14545dd3a9d97b1a1bd762fdd7fced4a62d2c3832254553015b07c3b8eeb04171c50db1d1358798b8317cc

    • \Users\Admin\AppData\Local\Temp\HD_27e621422d7a5bd1eae3c6de5f331b9c17ded935b56d4ccf6224457f34714544.exe

      Filesize

      3.1MB

      MD5

      fb083acd60fe5c3156dc25442be815e3

      SHA1

      61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

      SHA256

      f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

      SHA512

      7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

      Filesize

      93KB

      MD5

      3b377ad877a942ec9f60ea285f7119a2

      SHA1

      60b23987b20d913982f723ab375eef50fafa6c70

      SHA256

      62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

      SHA512

      af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

      Filesize

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

    • \Windows\SysWOW64\259397058.txt

      Filesize

      50KB

      MD5

      cdabecc5423561aa1bb2fed4f09af95f

      SHA1

      3eff68684e2be19d06ec9a5c12f38d09967875e5

      SHA256

      7c85a5815fc18e0bd49880c9f7c88ff7d4a1e71417895d079115569952cce4e4

      SHA512

      2933ead37c3e9ca2d5a33e7beea5e992d145cb5999ca36940904a3479408965bdc21e17abeb96b865357d7a5030789bfd0f84f83648a441ce478fa0327446265

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2320-5-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2320-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2320-12-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2320-8-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2340-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2340-32-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2556-33-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2556-41-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2556-37-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2556-30-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB