Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2024 07:14

General

  • Target

    850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe

  • Size

    1.2MB

  • MD5

    f1ed9f07750ceb3cc2988e48151e99ed

  • SHA1

    61c487e001e704364922f8fdb7e597489b1a2324

  • SHA256

    850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c

  • SHA512

    1bb8ce2449f7f7ebd3dc625cab962e61f34e7dd958a6ffe69df0c1e62e936f56568e09623d7a2f80dd45cf5b1b8fb509ff8299b2077c760d878f0cd668b26fda

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtis:WIwgMEuy+inDfp3/XoCw57XYBwKs

Malware Config

Signatures

  • Detect PurpleFox Rootkit 5 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 6 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 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 11 IoCs
  • VMProtect packed file 11 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 8 IoCs
  • UPX packed file 6 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 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.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 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 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe
    "C:\Users\Admin\AppData\Local\Temp\850e99739395a2a55510169af87de5d2103771baad1e86ac7b71bb592389030c.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1736
    • 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:2156
    • 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:1224
    • 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:2304
      • 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:2812
        • 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:1872
    • 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:1444
    • 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:1652
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2160
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
      1⤵
        PID:2168
      • 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:2960
        • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
          C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259497273.txt",MainThread
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:1632
      • C:\Windows\SysWOW64\Ghiya.exe
        C:\Windows\SysWOW64\Ghiya.exe -auto
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2832
        • 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:2824

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • 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

        fb9feb1e5ff65a92c0bfdec3b4c07e39

        SHA1

        761c096d335140d12f85006a076f3c3d2e7925f0

        SHA256

        c959d07f31db251edd4a3392b3894e06848de4c729a78ccc6a4343abd8a191b1

        SHA512

        cf1f7a2bbadd8c51218e01e157ed27fe1965c896b8efcae52d42ded599473d89b9544195c874bb16836664e250a3473b6c66dd0ca2c20a3192683ad844372a26

      • C:\Windows\SysWOW64\ini.ini

        Filesize

        45B

        MD5

        1308bbba70fa554d85912aab91f41d09

        SHA1

        a2d4ad9b8c93953de5422bf39fabc53151c00a10

        SHA256

        0831ad244f2e87cc5e59ea5ae80d69f1019978d27c5ecc559f563f43bf9c963d

        SHA512

        71fbafe55e4cef42cd9c8d5d36de5dc1551a4a2fadb0c6debd1ac1912b374c2f32728160bf038bd7627c7dca6a51f7172625c3085f1c9fd049bc682ada359f9f

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

        Filesize

        91KB

        MD5

        423eb994ed553294f8a6813619b8da87

        SHA1

        eca6a16ccd13adcfc27bc1041ddef97ec8081255

        SHA256

        050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218

        SHA512

        fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095

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

        Filesize

        400KB

        MD5

        b0998aa7d5071d33daa5b60b9c3c9735

        SHA1

        9365a1ff0c6de244d6f36c8d84072cc916665d3c

        SHA256

        3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

        SHA512

        308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

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

        Filesize

        1.2MB

        MD5

        ac58cefeed9dd4ed5bd08ab02e62504c

        SHA1

        082f98f0907488ea601cd75be1df8743578f433f

        SHA256

        f7912c2c19dc443a4d3ce86e8f47a4f1046ce80e3094381f798f38f5c9a5425e

        SHA512

        216f540c693161d5de2c4942d87c6dee7624ab60856c1c596114b7129171ba04caadcc68f54a950875880cee8a5b9aca2a13e98c49da2147cbf1f4a49537b006

      • \Windows\SysWOW64\259497273.txt

        Filesize

        49KB

        MD5

        0bbff31d8f7015c8aef35c1e09de476f

        SHA1

        3c941d6b9f08a60164b40336b5ba05bedfdd5309

        SHA256

        d9222c71dd613c7d0b9a06b22fc73f2e0c0a691eaec8d4329fdf18a360f900a0

        SHA512

        7fae991d17685801eb7e5673f1fa4d0a4b81c6a969f223bbdb32c5ef2ae4310f2f12ccf6b8fbec72f839bf21da7ed1cefd8982ac73ddea3083dbf5b240d52763

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

        Filesize

        43KB

        MD5

        51138beea3e2c21ec44d0932c71762a8

        SHA1

        8939cf35447b22dd2c6e6f443446acc1bf986d58

        SHA256

        5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

        SHA512

        794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

      • memory/1736-1-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1736-97-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1736-100-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1736-90-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1736-94-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1736-67-0x00000000026D0000-0x00000000026E0000-memory.dmp

        Filesize

        64KB

      • memory/1736-72-0x00000000026D0000-0x00000000026E0000-memory.dmp

        Filesize

        64KB

      • memory/1736-104-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1736-0-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1736-82-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/1736-84-0x00000000026D0000-0x00000000026E0000-memory.dmp

        Filesize

        64KB

      • memory/1736-87-0x0000000000400000-0x0000000000760000-memory.dmp

        Filesize

        3.4MB

      • memory/2304-33-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/2304-35-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/2304-34-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/2824-64-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/2824-59-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB

      • memory/2824-55-0x0000000010000000-0x00000000101BA000-memory.dmp

        Filesize

        1.7MB