Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 17:05

General

  • Target

    975bd24f432ef6fb752135929172444d5f4602725d6a11d6ef04580212f4bbd9.exe

  • Size

    1.8MB

  • MD5

    2ecaad895fd81f043b09fc3fe37bdf32

  • SHA1

    7ba3c0b70adbb9671cc4a800bcc515cd2352d04b

  • SHA256

    975bd24f432ef6fb752135929172444d5f4602725d6a11d6ef04580212f4bbd9

  • SHA512

    f31cdf0b9b79b33f7348a13f78fc80e7741ea627b489d909f8dbd8f181edecad414214110f8e74e80559c6ac1eb4dcee67a861e0151d68d89dcb36b669b9537c

  • SSDEEP

    24576:ZQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVoI4HArOZDIXwqglte:ZQZAdVyVT9n/Gg0P+WhogrOKwqAw

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 8 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 7 IoCs
  • Loads dropped DLL 8 IoCs
  • UPX packed file 8 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 3 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\975bd24f432ef6fb752135929172444d5f4602725d6a11d6ef04580212f4bbd9.exe
    "C:\Users\Admin\AppData\Local\Temp\975bd24f432ef6fb752135929172444d5f4602725d6a11d6ef04580212f4bbd9.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1640
    • 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:2076
      • 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:1388
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2524
    • 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:2776
    • C:\Users\Admin\AppData\Local\Temp\HD_975bd24f432ef6fb752135929172444d5f4602725d6a11d6ef04580212f4bbd9.exe
      C:\Users\Admin\AppData\Local\Temp\HD_975bd24f432ef6fb752135929172444d5f4602725d6a11d6ef04580212f4bbd9.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2500
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2812
    • 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:3024
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2592
    • 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:2632
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259436105.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2844

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\VideoLAN\VLC\vlc.exe
      Filesize

      2.2MB

      MD5

      40450e32dbeb6cf0dd9d1dada6d642dc

      SHA1

      94d0bbadedb827b6ef50fd04c3246f908b567c5b

      SHA256

      a182319b52700801102f48bfd08f6f8db7c102ccaf3242bff691a8e5124d4d93

      SHA512

      9fc77ec616ea907acda5cd551eef396058a8f0220ebe40e645ab511111cdde0c643b473b9bb8e15aa2479a219e63b806bf6722e49666960cc12d20f62b2bc705

    • C:\Users\Admin\AppData\Local\Temp\HD_975bd24f432ef6fb752135929172444d5f4602725d6a11d6ef04580212f4bbd9.exe
      Filesize

      551KB

      MD5

      b65ea506c7a0d4b311f2b9feb351bec8

      SHA1

      1877ab89f073585c35748e5c46d5f3b958e81a99

      SHA256

      8a0fbca6cbfd1d70779cf177423f02924354f4edc30f1ba8ab18d044b2a26173

      SHA512

      fd2f906d30dface15ccf9527ef20f0195bcde1ff6b1400ab59c3bc73e5963ca317045b2abca7158bc86215f1629033272e30839fe4edb6e5422bcc4f481e6d7a

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

      1.2MB

      MD5

      76fc2bbff11f94e47f0ecd70ecc2da6f

      SHA1

      1dd2806048b4eac4256bab3b3322508e3bb4c51a

      SHA256

      e0a583d4db7adc48236b1cbe70dac1ee631dff1c18e44ad178c3b84012176e90

      SHA512

      ac3700b6223d89cdcee6e597f290850732678192bfeb0d7d792a4fd5436f1232005dc8fe19822671534851daa506c6d4521e0a023a1cf4b2a2542f3d2139beaf

    • C:\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\259436105.txt
      Filesize

      50KB

      MD5

      cf51af2aa9f677ec8e2af91fd45bf937

      SHA1

      e45841385cfafc9791de516fd241f97be1b95442

      SHA256

      ef4f4749a99fbd7e7c08d4b80cd17cd81e0d5fb9b3894c5804d39c21c85fba20

      SHA512

      dfdc6bfbc4f3b48094e1bce7e59b080466e6a35bb8cc4403b56ab490566d1ffa7a2979d919ca15158f3f125edc3a2fc6bf792bdfc5ce53ed761a75cac2891721

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

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2076-5-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2076-8-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2076-7-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2076-11-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2812-27-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/3024-34-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/3024-37-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/3024-49-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB