Analysis

  • max time kernel
    79s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-11-2024 05:43

General

  • Target

    106a5b1f45aa3c0858e3b10176e4713f4c50f2f84c9dd7a001005212e474e1fe.exe

  • Size

    1.2MB

  • MD5

    0e1f9f70dd67ccb54d99ee6cd7b63b8a

  • SHA1

    09cfe5054415f8bfb7b48ae381625aae6408857d

  • SHA256

    106a5b1f45aa3c0858e3b10176e4713f4c50f2f84c9dd7a001005212e474e1fe

  • SHA512

    36b9c3c0d3686de9a8c5488ab1170223c71281508d4142340541261870fc216ef695d0ca1b29e058e74aa66ab26b172245cec2ef91545c986a35aa4c8ef0c3b7

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiq:WIwgMEuy+inDfp3/XoCw57XYBwKq

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.

  • Gh0strat family
  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Purplefox family
  • Drops file in Drivers directory 1 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 4 IoCs
  • VMProtect packed file 10 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 7 IoCs
  • UPX packed file 12 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\106a5b1f45aa3c0858e3b10176e4713f4c50f2f84c9dd7a001005212e474e1fe.exe
    "C:\Users\Admin\AppData\Local\Temp\106a5b1f45aa3c0858e3b10176e4713f4c50f2f84c9dd7a001005212e474e1fe.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1572
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      "C:\Users\Admin\AppData\Local\Temp\AK47.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:4728
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 460
        3⤵
        • Program crash
        PID:3932
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 440
        3⤵
        • Program crash
        PID:4476
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      C:\Users\Admin\AppData\Local\Temp\\AK47.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:3872
    • C:\Users\Admin\AppData\Local\Temp\AK74.exe
      C:\Users\Admin\AppData\Local\Temp\\AK74.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2024
      • 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\AK74.exe > nul
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:848
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:964
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3052
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3580
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:4900
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1348
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240629406.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1220
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4728 -ip 4728
      1⤵
        PID:2408
      • C:\Windows\SysWOW64\Ghiya.exe
        C:\Windows\SysWOW64\Ghiya.exe -auto
        1⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3064
        • C:\Windows\SysWOW64\Ghiya.exe
          C:\Windows\SysWOW64\Ghiya.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:628
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4728 -ip 4728
        1⤵
          PID:2732

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\AK47.exe

          Filesize

          91KB

          MD5

          423eb994ed553294f8a6813619b8da87

          SHA1

          eca6a16ccd13adcfc27bc1041ddef97ec8081255

          SHA256

          050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218

          SHA512

          fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095

        • C:\Users\Admin\AppData\Local\Temp\AK74.exe

          Filesize

          400KB

          MD5

          b0998aa7d5071d33daa5b60b9c3c9735

          SHA1

          9365a1ff0c6de244d6f36c8d84072cc916665d3c

          SHA256

          3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

          SHA512

          308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

        • C:\Users\Admin\AppData\Roaming\Microsoft\Config.ini

          Filesize

          92B

          MD5

          29ce53e2a4a446614ccc8d64d346bde4

          SHA1

          39a7aa5cc1124842aa0c25abb16ea94452125cbe

          SHA256

          56225be6838bc6e93ea215891eacf28844ae27a9f8b2b29bf19d3a8c2b1f58df

          SHA512

          b2c5a2708c427171a5715801f8ea733ffe88d73aaaaf59c5c752ea32cbe7aae8526cc26eabe84ad5043174c0c69b1d6b15a9fb125c15accfac3462d5d08a0faa

        • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs

          Filesize

          753B

          MD5

          c035010ae0d66f9d06ff86dd3adc3d38

          SHA1

          05aa396526daadabe3a616a0f02f90970a1a23b2

          SHA256

          d1da5b8f93c96b5236d8321b82efa7e046caaadf211ece943d3bbafc162789ed

          SHA512

          908f4eb7c2a084395ecc4a7812f6e649e8a1268494897f76fe1e84e4761d90ab856c91652c511240c4039c4c0528199c65781c660b862d28ef800657e757a306

        • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe

          Filesize

          1.2MB

          MD5

          f73db0e8cfc1887d893c83ba1102e3ca

          SHA1

          76b83d465efec4e8395b3c74b7f5ea0baa810c2b

          SHA256

          f809655a0c6b7afd622ff81d52f9399a89b054f2631349c8728cd35539c1cfee

          SHA512

          07289fa360385f2bb156fa6489869b57846ceeb6ad3d517169e7782cb674927d4fb6aca5b9fa9cb2cacedb4758ef4fe2b8b4e68e1da768f8bb38fa9751ad301e

        • C:\Windows\SysWOW64\240629421.txt

          Filesize

          49KB

          MD5

          e3528ca069533447fe30eb65310b6bf7

          SHA1

          e9d344d28fa9d33b15faeb0930b0ee7d09f67683

          SHA256

          b67c7304fc8743b69c193b83e9c20bc8f6e5e84af4f69b2140f47ead99765314

          SHA512

          43364c07ee37bc1290349c05250a50075f02044f580d9054eb78c1ef4ed70e5c20794528f67d80c5ce7e32368cfbdd7ebac2e46a79c5a124683fa6e5e5298162

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

          Filesize

          60KB

          MD5

          889b99c52a60dd49227c5e485a016679

          SHA1

          8fa889e456aa646a4d0a4349977430ce5fa5e2d7

          SHA256

          6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

          SHA512

          08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

        • memory/628-47-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/628-58-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/628-56-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/628-53-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/628-48-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/628-45-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/1572-77-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/1572-84-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/1572-93-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/1572-90-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/1572-87-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/1572-1-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/1572-80-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/1572-74-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/1572-0-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/2024-35-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/2024-34-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/2024-32-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/3064-42-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/3064-40-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/3064-43-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB