Analysis

  • max time kernel
    61s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-11-2024 08:02

General

  • Target

    64d7758d89651147a620fd3570161f163f84d1313dea7013d920dbdca33db4f9.exe

  • Size

    1.2MB

  • MD5

    bec9ea769b41030154aed162b3467631

  • SHA1

    4f91d78b85e934937c6f4ca590d786fffe04769e

  • SHA256

    64d7758d89651147a620fd3570161f163f84d1313dea7013d920dbdca33db4f9

  • SHA512

    24ebe9c3199922020875a6e63b8386e437ea91f596481a37c09ab767b1d6875b907b8ecdb3c18516d38cb43c7eb9120959ad980b0d09fbd768d1fda127ad0366

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiL:WIwgMEuy+inDfp3/XoCw57XYBwKL

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.

  • 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 9 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 10 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 8 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\64d7758d89651147a620fd3570161f163f84d1313dea7013d920dbdca33db4f9.exe
    "C:\Users\Admin\AppData\Local\Temp\64d7758d89651147a620fd3570161f163f84d1313dea7013d920dbdca33db4f9.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:4240
    • 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:524
    • 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:2996
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 428
        3⤵
        • Program crash
        PID:4708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 368
        3⤵
        • Program crash
        PID:3396
    • 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:1528
      • 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:3472
        • 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:876
    • 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:2768
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:3032
    • 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:32
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240618359.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2600
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2996 -ip 2996
      1⤵
        PID:1452
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2996 -ip 2996
        1⤵
          PID:1728
        • 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:2728
          • 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:556

        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

          bf66b21b9df0e04db0472c1c6d922f95

          SHA1

          42093d96276970d51cccd01e8550eba980fe6f2b

          SHA256

          e85c788b7c4f5fa557bfa35d44905272c00700c37022ce8ba8b08274006adedc

          SHA512

          e2589c5d2198e262fced9de09ad3f5eb5d2c431419d5fd6fc8b69029f0a627a0fc2790f43b52437237abaf84240cfe73b5f37f845f0ea099c231b4c7c6068bf9

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

          Filesize

          1.2MB

          MD5

          2c1cc220fac4973fb5f42eeb01c6a077

          SHA1

          431d85ccc5e4b69de1512a8da0912c33fe6d7a0b

          SHA256

          507753c45ce869ed169745ebf68aa9265634b01814d7e52d7bb5c1c5f5a4c151

          SHA512

          0134b5de9c6c473ac3d6ac2dbf9cf8db2890c5f896d7620f1041d8873aa4372db9bdf77d5f37ecd75367cfd6658980ba90bfb56695f3c42fd3df1bc89fea4ed9

        • C:\Windows\SysWOW64\240618375.txt

          Filesize

          49KB

          MD5

          87447b2d4e289d730cd2bb3f1e3c571d

          SHA1

          af740bdb7b9ae60bcf5b7c95c838fde0104bcf93

          SHA256

          8902ba12bd4a503e84302572c2a3167050562e485d12a1ba74994999791d3696

          SHA512

          0495b3b97f6bae43aadd6ec4e758ed6e134608ed8eaefb0c878b0eb5b6532dd0f06e981734372dd44430c8bfe56752a2a5a05049ce665b09c365727d9a7b291f

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

          Filesize

          60KB

          MD5

          889b99c52a60dd49227c5e485a016679

          SHA1

          8fa889e456aa646a4d0a4349977430ce5fa5e2d7

          SHA256

          6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

          SHA512

          08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

        • memory/556-53-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/556-58-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/556-57-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/1528-32-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/1528-35-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/1528-34-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/2728-43-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/2728-40-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/2728-42-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/4240-0-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/4240-72-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/4240-75-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/4240-78-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/4240-82-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/4240-1-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/4240-85-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/4240-88-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/4240-92-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB