Analysis

  • max time kernel
    150s
  • max time network
    150s
  • 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 11:06

General

  • Target

    47693bfe4cfbb84f7d582b50cdb43f13791d1b2b7996f2c342091814bbdd7f82.exe

  • Size

    9.5MB

  • MD5

    b0f7d9f58ea4a05269b88f330c82a500

  • SHA1

    2bf8eb173b1959b54f5d2b52f504341f8b6fcde7

  • SHA256

    47693bfe4cfbb84f7d582b50cdb43f13791d1b2b7996f2c342091814bbdd7f82

  • SHA512

    2a89db94e60cd2ccb58ab1dcf3d9397ff9ff9912f825c57ff9e8f8a791927a541116070708823ce08cde1cfaf829649b826abb312fad2e240a25ac25b6a14fbb

  • SSDEEP

    98304:3GdVyVT9nOgmhrluL5dyWRudqIqf7mR31gvfTn5IGAW8ZZWAIxnqODAMLwJBAUZr:EWT9nO7Gol7S70wAJWAW1UJVr

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 12 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 13 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).

  • Program crash 1 IoCs
  • 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 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\47693bfe4cfbb84f7d582b50cdb43f13791d1b2b7996f2c342091814bbdd7f82.exe
    "C:\Users\Admin\AppData\Local\Temp\47693bfe4cfbb84f7d582b50cdb43f13791d1b2b7996f2c342091814bbdd7f82.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:888
    • 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:3444
      • 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:224
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2156
    • 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:3432
    • C:\Users\Admin\AppData\Local\Temp\HD_47693bfe4cfbb84f7d582b50cdb43f13791d1b2b7996f2c342091814bbdd7f82.exe
      C:\Users\Admin\AppData\Local\Temp\HD_47693bfe4cfbb84f7d582b50cdb43f13791d1b2b7996f2c342091814bbdd7f82.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 912
        3⤵
        • Program crash
        PID:2144
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3220
    • 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:4032
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:1552
    • 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:3592
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240596828.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2696
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4920 -ip 4920
      1⤵
        PID:2504

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Boot or Logon Autostart Execution

      2
      T1547

      Registry Run Keys / Startup Folder

      2
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      2
      T1547

      Registry Run Keys / Startup Folder

      2
      T1547.001

      Defense Evasion

      Modify Registry

      2
      T1112

      Discovery

      System Information Discovery

      1
      T1082

      Remote System Discovery

      1
      T1018

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\HD_47693bfe4cfbb84f7d582b50cdb43f13791d1b2b7996f2c342091814bbdd7f82.exe
        Filesize

        7.9MB

        MD5

        b41849196494f96020fc8b86d73f4e2b

        SHA1

        43d260823059fa04493984559e11af766e7acf6f

        SHA256

        982c049b039501564f25bf23bd5737a4082273427affa5759bd1b3e2184977be

        SHA512

        baf94f17e1ea991d40e562b5f5a8bbf3dec52b880badd9249695cdcbf087286f0adf8244bd73d762222207ff2138b635bf8f18d76868dfb28d293ffb6f2abb4d

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

        1.6MB

        MD5

        251a802e8bb13e39fe89ac035ed6fefd

        SHA1

        f429ee4243604981679ee4cba673773f2060ef23

        SHA256

        7c82c3d5b87d76d7efb561d75e845b866ba009f5e3f6d61b46c9d6fe0fe93e1a

        SHA512

        fb520d84b406bdf877e68fd9de6da9484c0f58bf5344045113099ac19d444b45f0c898ff4a6f7b93ad2784aba2400023f9242c4ed5edcf03b56d4b03e07ff838

      • 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\240596828.txt
        Filesize

        50KB

        MD5

        c24d21458865d6a090ea168151d5fb7b

        SHA1

        ce068224257d12e7412b0651aab7bbe7a5a48ce9

        SHA256

        ca3d7fd64a3d4f0fee4360bd424d8238c5585e87f2668c9a513a4409b1bafa76

        SHA512

        dc067dfe7a0b03a7bf78128a215dde2b94ea19aa7dadf521d5b8440dcba7b8ca82011643942e562e79444894ebc2977dbef7663fade0f01de7e24da4d22bea42

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

        60KB

        MD5

        889b99c52a60dd49227c5e485a016679

        SHA1

        8fa889e456aa646a4d0a4349977430ce5fa5e2d7

        SHA256

        6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

        SHA512

        08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

      • memory/3220-13-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3220-32-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3220-15-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3220-16-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3220-19-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3444-10-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3444-7-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3444-6-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3444-4-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4032-30-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4032-45-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4032-40-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4032-33-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4920-54-0x0000000000400000-0x0000000000C03000-memory.dmp
        Filesize

        8.0MB

      • memory/4920-93-0x0000000010000000-0x00000000101A5000-memory.dmp
        Filesize

        1.6MB

      • memory/4920-97-0x0000000000400000-0x0000000000C03000-memory.dmp
        Filesize

        8.0MB