Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 18:55

General

  • Target

    d92a861166537695dd39d088e41f7ff457668dbdb80ef3dbe166cc1959f31e8d.exe

  • Size

    2.2MB

  • MD5

    dc482b8b52fddda63b2dca5504ef10e9

  • SHA1

    2a5f5e10fce9ac7e89fdae4c60bcaf3255953a58

  • SHA256

    d92a861166537695dd39d088e41f7ff457668dbdb80ef3dbe166cc1959f31e8d

  • SHA512

    a545d584fa731c35d88927973568bc0cf1a24154a469ce282449abb59736b868ffcd9c001055d291493eaccf3d80309c2ee9d6a4917d104e9206ccb1acc4464f

  • SSDEEP

    49152:UQZAdVyVT9n/Gg0P+Who5KJXXxU3QsR0MhSvnxTLuiiJ7Px:FGdVyVT9nOgmhRXX9g0MhSvxLrY

Malware Config

Signatures

  • Detect PurpleFox Rootkit 10 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 11 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 7 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d92a861166537695dd39d088e41f7ff457668dbdb80ef3dbe166cc1959f31e8d.exe
    "C:\Users\Admin\AppData\Local\Temp\d92a861166537695dd39d088e41f7ff457668dbdb80ef3dbe166cc1959f31e8d.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1256
    • 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:3316
      • 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:3536
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2816
    • 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:2344
    • C:\Users\Admin\AppData\Local\Temp\HD_d92a861166537695dd39d088e41f7ff457668dbdb80ef3dbe166cc1959f31e8d.exe
      C:\Users\Admin\AppData\Local\Temp\HD_d92a861166537695dd39d088e41f7ff457668dbdb80ef3dbe166cc1959f31e8d.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4608
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3492
    • 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:1740
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:3424
    • 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:2892
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240601265.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4036

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1.3MB

      MD5

      b8ad39ec9dd3f7b8235103e91794d057

      SHA1

      351aa84a2dcb5e6a52370765dda8d8e39b5e6516

      SHA256

      6d41db589c8f7e8a20d36b1cb27272c324cb5150cd4fe2e9bd3e3b26d2f29bc6

      SHA512

      a28838c002614361cfa790aa396d8272c3bb45c953a2ed30e117cdb2266a4aee2e41022a5ade2d75f9232831949ffd0b77c7c0f87aca5020756b30abe35845fe

    • C:\Users\Admin\AppData\Local\Temp\HD_d92a861166537695dd39d088e41f7ff457668dbdb80ef3dbe166cc1959f31e8d.exe

      Filesize

      911KB

      MD5

      fa87583712eb87b20b95df5be3542a05

      SHA1

      0eb0ef402df0a83af573b4da67e34b86af0a03ec

      SHA256

      245e0fb503326e4751ca938a5038a1f2822bc442d62725b2d56294f74c9003df

      SHA512

      6b246c2c9f2fa3571d8c62c3d4fe07d2d264db96d8a578167b6c98cbd465a925a2bc4e206966cfe2b6ca249027320a261e44ee2f22c17da0b0c6d95a14e7c891

    • 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\240601265.txt

      Filesize

      50KB

      MD5

      d51da959b56f5f5cf5d45551cde55099

      SHA1

      867aba0e5d9c326405baac733f3c72779159df6f

      SHA256

      ee5c9261277d9aaca550b39a97fb6bd137ae1c46932da3b4e52f1d50a0855053

      SHA512

      11a3251978f36d2f9b74ca3552543b4db227df8890527d06fa22baba9c890a19d8be7f2d09f645cf7b852e270c30fa01162452baaee46f7616b73fb6d100d882

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

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/1740-40-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1740-46-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1740-48-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3316-10-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3316-4-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3316-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3316-6-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3492-13-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3492-25-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3492-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3492-16-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3492-15-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4608-44-0x0000000000400000-0x0000000000637000-memory.dmp

      Filesize

      2.2MB

    • memory/4608-98-0x0000000000400000-0x0000000000637000-memory.dmp

      Filesize

      2.2MB