Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 09:39

General

  • Target

    7c1c9845c85642a097838bbc9181ecc8616d8fd39523bb38d63daf538722e996.exe

  • Size

    7.7MB

  • MD5

    692e547937d11a2b7550fa48d25bb1b0

  • SHA1

    189bb06fcb16f630527ecda41e7382644c3888eb

  • SHA256

    7c1c9845c85642a097838bbc9181ecc8616d8fd39523bb38d63daf538722e996

  • SHA512

    3c7833a4f73d72c0c1747b6bdd4a4f5465ff2bbe05f15909e66f576f7764f5fbdb35bacf945cccca51472d18a23aba29b44d0cb8650621d49eb4d8580b937344

  • SSDEEP

    196608:bWT9nO7ytmnD6JuSTE+iAuC89UVZ5T7GKkfkt:R7ytQ6XvpV8CVZ57G1fkt

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 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 9 IoCs
  • UPX packed file 9 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).

  • Modifies registry class 64 IoCs
  • 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\7c1c9845c85642a097838bbc9181ecc8616d8fd39523bb38d63daf538722e996.exe
    "C:\Users\Admin\AppData\Local\Temp\7c1c9845c85642a097838bbc9181ecc8616d8fd39523bb38d63daf538722e996.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2400
    • 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:2760
      • 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:2676
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2472
    • 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:2844
    • C:\Users\Admin\AppData\Local\Temp\HD_7c1c9845c85642a097838bbc9181ecc8616d8fd39523bb38d63daf538722e996.exe
      C:\Users\Admin\AppData\Local\Temp\HD_7c1c9845c85642a097838bbc9181ecc8616d8fd39523bb38d63daf538722e996.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies registry class
      PID:2924
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2624
    • 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:2732
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2492
    • 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:2596
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259402502.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:264

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1.7MB

      MD5

      b0b84b7cc318d8558955b30e997fd35c

      SHA1

      ba2dd328a62b6ff8828f076ba34c19ff02751315

      SHA256

      6c10b91f363906cfb76a3289a5b644ced84db47a7e7b7f0061cd265f5869d889

      SHA512

      d3148bb6f19fba5eb5228a45c30d059f3f92b63252ad4fc5bfbc52c1ab00737e6021e2d3ca2c5b3d863471d9b414c97b04aa546c4bd50fa9d214a1270fe1698a

    • C:\Users\Admin\AppData\Local\Temp\data\fdrecord.dat

      Filesize

      35B

      MD5

      e1693263e58c0dab1f69199e06bf1612

      SHA1

      3a5fb5bb73ebdbd0a542049a7444e68f98ecde6e

      SHA256

      67b049319f61f823bfbbc1bb5f7a4ed9c1ffca34ea789eb5852688720b6d54c5

      SHA512

      8cdf9c0d3d743d90dfc59eb5086d496231c19df5eb1b4a642a7b42df8e10464c77a8556cdd1507c267606c505e41c3d4a73be6bc423bb0bc4d2b334fe5161e93

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

      Filesize

      93KB

      MD5

      3b377ad877a942ec9f60ea285f7119a2

      SHA1

      60b23987b20d913982f723ab375eef50fafa6c70

      SHA256

      62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

      SHA512

      af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

    • \??\c:\program files\videolan\vlc\vlc.exe

      Filesize

      2.7MB

      MD5

      b3a34cbbcf456ca9b1bc0b0970a50783

      SHA1

      bbefcef6e872acb96817a9018cdb06b2979f60e1

      SHA256

      06060e18e2ebcb82981162ecce3b5db83e6b49a5e7c1780de7c764117d4c067f

      SHA512

      e553a61951b5e25db016631a66ae3f96fa18ba185c6436cf7569c399fe0dc3374108435662732b5439e12698727def85c2cf3b61ea9d7617d3f3869341f5843c

    • \Users\Admin\AppData\Local\Temp\HD_7c1c9845c85642a097838bbc9181ecc8616d8fd39523bb38d63daf538722e996.exe

      Filesize

      6.0MB

      MD5

      514332af338681daabc95adad85092bb

      SHA1

      897cfccbb378650ebfd0bd0a89ef97f851c67697

      SHA256

      0839cafa0aa27b970db779bba0490b330a538cc98535c4c8a961ede318572043

      SHA512

      6b7179a036cd9ee49841a7b79169d6e56bdc6b8b5c57a6a58a96be7df1a0820e62f4ab361759056ad394706ed1ee2e13fe581c8c826f08c96717f4a2191dd552

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

      Filesize

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

    • \Windows\SysWOW64\259402502.txt

      Filesize

      50KB

      MD5

      d44086cc6ffdcd865601bf8e8994fef0

      SHA1

      5f258636d2cb4a9d1c9479078d7f8fb56949dd45

      SHA256

      6ed8cb971461b379404684ceb4688ea945cd06448d4b750b05819f30ea7b2001

      SHA512

      5050a9c62a7f6bf8506992b3128bd056bc3167be0d29b7f7cf673912dc258f3c263d15f5a19b2a6f0f8b6a8f9f594203fddadc8a904930d796f8334ae430afdf

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2624-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2624-22-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2732-35-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2732-39-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2732-44-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2760-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2760-8-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2760-9-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2760-5-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB