Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2024 01:44

General

  • Target

    e55b977b8b0fcaa1b1326e1bad0fbb18a8e8cf5560b30e6e994ad9716bfc7ecf.exe

  • Size

    1.2MB

  • MD5

    6f7ad4a723c4f4a3bdf400ad638d1661

  • SHA1

    465ae1b01a9d30e3e9cf5f78ca5bb98954e3ca29

  • SHA256

    e55b977b8b0fcaa1b1326e1bad0fbb18a8e8cf5560b30e6e994ad9716bfc7ecf

  • SHA512

    45eae460b29dbd8e8f759947ebda99d28d2100d1349244373135d094637cac36e042d1e76c4376d2e41559bcc3d4f960870803073d5ef6c5b20797e27ccf604b

  • 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 3 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).

  • 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 16 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\e55b977b8b0fcaa1b1326e1bad0fbb18a8e8cf5560b30e6e994ad9716bfc7ecf.exe
    "C:\Users\Admin\AppData\Local\Temp\e55b977b8b0fcaa1b1326e1bad0fbb18a8e8cf5560b30e6e994ad9716bfc7ecf.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:1284
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      "C:\Users\Admin\AppData\Local\Temp\AK47.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:2188
    • 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:1020
    • 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:4804
      • 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:1588
        • 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:1888
    • 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:984
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:5036
    • 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:664
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240621656.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4828
    • 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:232
      • 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:4208

    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

      45bbc5409a8da2aec17ac9cd1fa11859

      SHA1

      0ea3f45fe0138386fba760e807fd1ff97aa585ac

      SHA256

      3583226b11700ba777cd8c9e8a864c162f258136dc382346811129c763dd4808

      SHA512

      08eabcf0633ddfc5200d92a144e9870e2eb04cceb80fdee6c977f3ed173636f9f64560a7c4b1666619630ee9db54db710ca79867a32758d4a32419e4d2e793a4

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

      Filesize

      1.2MB

      MD5

      b2c6783eabc8446617e105e3778ceaf9

      SHA1

      c8690f8fe4cd290903a95b4391e26e3533486275

      SHA256

      b98394168c5a3fe1275f77e5be797c79c30a72be57c6852f518a15f371dc5943

      SHA512

      6cd1d3a16d821241bcc7b67359f4b47d3e08ad84383abb228aea666c3a6be8f2eee2dd13fd9494fc58dc9d0bf758056119e74ce21fca250b047a69cbe7356f32

    • C:\Windows\SysWOW64\240621656.txt

      Filesize

      49KB

      MD5

      1667c3aeb27851b1da97bb9df49c0748

      SHA1

      0fca9ce00d97caa2237ee47673e4993042293341

      SHA256

      8484eed3a3f34a3eb7c5b9dd2ce826a35ec14e257de74032c4b4ebd02183832d

      SHA512

      9ea500313a62845e1ae40c8573a526fb6146ab011e99107a551af72fd91c907578c6c9cc7f1e4401027246066122094499fa24b684be68bddf61164bcd0b81d7

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

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/232-36-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/232-39-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/232-38-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/1284-75-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/1284-82-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/1284-0-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/1284-85-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/1284-79-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/1284-88-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/1284-1-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/1284-69-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/1284-72-0x0000000000400000-0x0000000000760000-memory.dmp

      Filesize

      3.4MB

    • memory/4208-54-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/4208-61-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/4208-51-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/4804-30-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/4804-31-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB

    • memory/4804-28-0x0000000010000000-0x00000000101BA000-memory.dmp

      Filesize

      1.7MB