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
    29/12/2024, 18:50

General

  • Target

    1aeb146c5cf9bff6c6d4956912c92c1474215eaa7c0999d4dc179f5a8a7c8794.exe

  • Size

    1.2MB

  • MD5

    2b721be7f5f8d6446b7f622c7a9f846d

  • SHA1

    b2b761316ed28f49291689691a4459c9d7bf539f

  • SHA256

    1aeb146c5cf9bff6c6d4956912c92c1474215eaa7c0999d4dc179f5a8a7c8794

  • SHA512

    21b7dc45a1015d5e58ed35f8a66c1f25ea9d7e049323c12bdb2af5c5a259951386d242a1f3033bb128f6267278c1bfae25e722a4a75873141fcbf00bb3782a6c

  • 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.

  • 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\1aeb146c5cf9bff6c6d4956912c92c1474215eaa7c0999d4dc179f5a8a7c8794.exe
    "C:\Users\Admin\AppData\Local\Temp\1aeb146c5cf9bff6c6d4956912c92c1474215eaa7c0999d4dc179f5a8a7c8794.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:2180
    • 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:4616
    • 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:2228
    • 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:3376
      • 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:2608
        • 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:5024
    • 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:4804
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:216
    • 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:1968
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240624265.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2212
    • 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:3508
      • 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:1536

    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

            0a353122cbbf156be41d5db3548019e1

            SHA1

            9e80c96cef5fa3a6209d8301c10828dea7c558a7

            SHA256

            77fdd1f95e27c393f8e9e0de17240cfe5f3425cc3fb1d62e238e7c12667699b1

            SHA512

            c801a0a102ed3493421db2dd5ada9a61b3a3611d457f724cc7b8cc5f58536a67467af8db2dfebac3deeb9f47edf773d38cdc7fa8b775e4e39c83a53d88be0295

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

            Filesize

            1.2MB

            MD5

            080d49155b2a1c3eddd27a418c7a5d3e

            SHA1

            006391ca5d19c0b51ddf4a25eada69eb20de41f3

            SHA256

            25b8987d96aec5a094009114c802dda111704fd5e174a07cc6994ce8c48cc734

            SHA512

            016ae258b8c6f297be7e188b57211c70fd78a6c3959cf9c6d273e44c008002cd7fea1ef2d4dd354f6971f9efaf6ce17b65fc060726fd77d45ee7930e1c18acdd

          • C:\Windows\SysWOW64\240624265.txt

            Filesize

            49KB

            MD5

            ed4b6f82791b03e5a65aebf5c7de58c3

            SHA1

            6df18ad5f0f1f5bd5d0f568cb245ccb44f611841

            SHA256

            9051beab1991cdb2d1c3c03132f0642e28b09b6e0c4925a3445ab0c9020b932f

            SHA512

            72781f91ef29b27369fdfde98d5790adf08e4dc1353d2823f1f9c6f5db51f0e7a76e312e2e8be82f50ca8067b8237e68d8990d25ce055fea6ff68c820ae1b516

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

            Filesize

            60KB

            MD5

            889b99c52a60dd49227c5e485a016679

            SHA1

            8fa889e456aa646a4d0a4349977430ce5fa5e2d7

            SHA256

            6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

            SHA512

            08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

          • memory/1536-53-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/1536-62-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/1536-61-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/2180-72-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2180-79-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2180-88-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2180-85-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2180-82-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2180-2-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2180-75-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2180-69-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/2180-0-0x0000000000400000-0x0000000000760000-memory.dmp

            Filesize

            3.4MB

          • memory/3376-24-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/3376-27-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/3376-26-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/3508-37-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/3508-40-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/3508-39-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB