Analysis

  • max time kernel
    137s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/12/2024, 04:51

General

  • Target

    7249c26a6b3771492f8a1404fe54468e635a361bede8833d9815bfd099f31843.exe

  • Size

    1.2MB

  • MD5

    aa4700449810cdacd82ea5c9c2e73de9

  • SHA1

    492b2bb7408c406b2f0475de2fe85a107e42ca05

  • SHA256

    7249c26a6b3771492f8a1404fe54468e635a361bede8833d9815bfd099f31843

  • SHA512

    7670414ce03de37e318c4db695f5a8de2b80b581b5bd73595d37d1c6c36e17864ca40ee4f55955fd8b6f7636f608289425439ddb21d375330e7289dc1e6a405f

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiH:WIwgMEuy+inDfp3/XoCw57XYBwKH

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 1 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 14 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7249c26a6b3771492f8a1404fe54468e635a361bede8833d9815bfd099f31843.exe
    "C:\Users\Admin\AppData\Local\Temp\7249c26a6b3771492f8a1404fe54468e635a361bede8833d9815bfd099f31843.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:1928
    • 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:1980
    • 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:4796
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4796 -s 420
        3⤵
        • Program crash
        PID:1396
    • 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:556
      • 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:4964
        • 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:2372
    • 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:4696
    • 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:2780
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240645312.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4796 -ip 4796
      1⤵
        PID:4788
      • 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:2036
        • 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:1856

      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

        bcc9b9b03fb2a6b2d2299d1b8bb88df3

        SHA1

        82c053cece9e754963b9dd6601e2da6b9da3679c

        SHA256

        d91ee0487adc2fba538a9e731ca24e98978b961689139497ab52c8f2a6d992e6

        SHA512

        8098d117fd1fe08d0e13ab55b89ac8fb44ba80f5eba0cfb9776ac5cecfad9822489822ef77ecfe7599af98677a0a2dc3a80f3a6e28390525f965f79f4daf44c4

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

        Filesize

        1.2MB

        MD5

        a796ebe6ae1b6e870dd2dac9182df00f

        SHA1

        4e43498f6cdc6f24cdc790ad87351a5f0c4d1a25

        SHA256

        e8e82fc20c82f7dc3fd12b1d610463b9acb272a379c6eba0a836eb9d76f79b52

        SHA512

        648d821d64d661a9241e8f78f175804f98dc90acf1907c72c145e6456f0b9905b5aca006f1c4cf424663da15ca42536f270b3854609efd7780789e65071c0006

      • C:\Windows\SysWOW64\240645281.txt

        Filesize

        49KB

        MD5

        5b86ded3e8d510b0f6773cefcddcaf22

        SHA1

        2781ad75844b1fd3cbc59c7b77dd99e2e6db450a

        SHA256

        7494e4d9c94c52bd049dff8d130f27faea28db8b5c4407db135be0e12a8dadeb

        SHA512

        2271bf51030c525e4096eebd34acf0d12cf09c0cf44031a29c847369239ab13cc3534d2657586b02fc6b5447e475ba075064e98083110223ec4369d0dc43a3fb

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

        Filesize

        60KB

        MD5

        889b99c52a60dd49227c5e485a016679

        SHA1

        8fa889e456aa646a4d0a4349977430ce5fa5e2d7

        SHA256

        6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

        SHA512

        08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

      • memory/556-34-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/556-32-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/556-35-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/1856-64-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/1856-65-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/1856-55-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/1928-73-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1928-0-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1928-76-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1928-79-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1928-83-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1928-1-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1928-86-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1928-89-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1928-92-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/2036-42-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/2036-43-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/2036-40-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB