Analysis

  • max time kernel
    120s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2024, 19:14

General

  • Target

    cb7af949c9637c2a951057f68f2bcc10d8aacc4fdcfa687ebdb4181c68118af2.exe

  • Size

    1.2MB

  • MD5

    7f223fd8879b2c6fb86cb2c7c0b683b2

  • SHA1

    d75286ab62030f489fe2a2cd5a6f6b4c2f3ddf41

  • SHA256

    cb7af949c9637c2a951057f68f2bcc10d8aacc4fdcfa687ebdb4181c68118af2

  • SHA512

    ed6e026943941b25da720c2ea07c14b85d7086996d4141afa374e2253433f2cc68bd37cbec66c22a1b451ccfaf05022660f8ee061bde5ce00778711a90480c09

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiP:WIwgMEuy+inDfp3/XoCw57XYBwKP

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.

  • PurpleFox

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

  • 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 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 14 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\cb7af949c9637c2a951057f68f2bcc10d8aacc4fdcfa687ebdb4181c68118af2.exe
    "C:\Users\Admin\AppData\Local\Temp\cb7af949c9637c2a951057f68f2bcc10d8aacc4fdcfa687ebdb4181c68118af2.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:2204
    • 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:1844
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 460
        3⤵
        • Program crash
        PID:3076
    • 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:4088
    • 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:3388
      • 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:2284
        • 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:1352
    • 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:4732
    • 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:2692
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:3352
    • 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:4216
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240629468.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1844 -ip 1844
      1⤵
        PID:2924
      • 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:1380
        • 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:3164

      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

              79fb90edbae89806ad46d598eb371131

              SHA1

              a49928ecfab7caf735b712953c98e8e0fced75d6

              SHA256

              f1d86b0f414ee58da86564ec02a4b63d8575caf3ce2c7184beab147f4b1bed61

              SHA512

              1b0b0baad09298de1b8ba83288dfbdaa5abbb05a8f027e6b003004bdfc85d6ad7b3b56a8199474454a02fe4174456e2659d61e445cecb047e60e98228c300102

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

              Filesize

              1.2MB

              MD5

              2e2987a317f172b5e62ec2ba765fa946

              SHA1

              7078f471ac5885fa9b1a12332155cd84fb9f48f2

              SHA256

              c1dcbccdf3ea29973337c692e4175aa3c54eefd29ad8d27a995326d29520f381

              SHA512

              ead189d1bb76a9f74c1d322e3098ff306b2c8b7f4a5ad0a3cf8a79fcb61586027cf00a6fc51287381c637cb433cfe1a76ee90da394cb3e8785effed2fbd822a6

            • C:\Windows\SysWOW64\240629453.txt

              Filesize

              49KB

              MD5

              75a51b93190e38ee7816b3a27744906c

              SHA1

              3373af7c069e990713cba7f9e14c3375180c8cde

              SHA256

              b21684c11130a4584496d7777a47553a93e9e744de70bdea7fca1015da752b62

              SHA512

              6dd3702019048dae957bfb093ba6b65ca4c92d07067ebbeaa81ee21b7cbd3f00dd32998d5e0588e502e139b6b7657f18acd066dae2c36aea8262bdc65c61c993

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

              Filesize

              60KB

              MD5

              889b99c52a60dd49227c5e485a016679

              SHA1

              8fa889e456aa646a4d0a4349977430ce5fa5e2d7

              SHA256

              6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

              SHA512

              08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

            • memory/1380-42-0x0000000010000000-0x00000000101BA000-memory.dmp

              Filesize

              1.7MB

            • memory/1380-43-0x0000000010000000-0x00000000101BA000-memory.dmp

              Filesize

              1.7MB

            • memory/1380-40-0x0000000010000000-0x00000000101BA000-memory.dmp

              Filesize

              1.7MB

            • memory/2204-81-0x0000000000400000-0x0000000000760000-memory.dmp

              Filesize

              3.4MB

            • memory/2204-88-0x0000000000400000-0x0000000000760000-memory.dmp

              Filesize

              3.4MB

            • memory/2204-0-0x0000000000400000-0x0000000000760000-memory.dmp

              Filesize

              3.4MB

            • memory/2204-85-0x0000000000400000-0x0000000000760000-memory.dmp

              Filesize

              3.4MB

            • memory/2204-91-0x0000000000400000-0x0000000000760000-memory.dmp

              Filesize

              3.4MB

            • memory/2204-95-0x0000000000400000-0x0000000000760000-memory.dmp

              Filesize

              3.4MB

            • memory/2204-1-0x0000000000400000-0x0000000000760000-memory.dmp

              Filesize

              3.4MB

            • memory/2204-75-0x0000000000400000-0x0000000000760000-memory.dmp

              Filesize

              3.4MB

            • memory/2204-78-0x0000000000400000-0x0000000000760000-memory.dmp

              Filesize

              3.4MB

            • memory/3164-55-0x0000000010000000-0x00000000101BA000-memory.dmp

              Filesize

              1.7MB

            • memory/3164-58-0x0000000010000000-0x00000000101BA000-memory.dmp

              Filesize

              1.7MB

            • memory/3164-49-0x0000000010000000-0x00000000101BA000-memory.dmp

              Filesize

              1.7MB

            • memory/3388-34-0x0000000010000000-0x00000000101BA000-memory.dmp

              Filesize

              1.7MB

            • memory/3388-35-0x0000000010000000-0x00000000101BA000-memory.dmp

              Filesize

              1.7MB

            • memory/3388-32-0x0000000010000000-0x00000000101BA000-memory.dmp

              Filesize

              1.7MB