Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2024 01:28

General

  • Target

    a8d7b41d9eb4b409c1f9dd1e4d66e55f3daa88170f07cbc9e027f199051db90e.exe

  • Size

    1.2MB

  • MD5

    11140565acdd1ca67397acd24affa6cd

  • SHA1

    b782110c9f903fed148704c3384013d2ecd4d6d0

  • SHA256

    a8d7b41d9eb4b409c1f9dd1e4d66e55f3daa88170f07cbc9e027f199051db90e

  • SHA512

    712b7eda9303870f3221e1e8e29675d3fbf0d0f71f3028f176c1ae469dcce1a254f52bcf8e8bb5136c8abd4953151f410c28d17118db753c79d645662b526cbc

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiz:WIwgMEuy+inDfp3/XoCw57XYBwKz

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
  • 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 5 IoCs
  • Loads dropped DLL 1 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 4 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 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 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 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a8d7b41d9eb4b409c1f9dd1e4d66e55f3daa88170f07cbc9e027f199051db90e.exe
    "C:\Users\Admin\AppData\Local\Temp\a8d7b41d9eb4b409c1f9dd1e4d66e55f3daa88170f07cbc9e027f199051db90e.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:1072
    • 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:5016
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5016 -s 376
        3⤵
        • Program crash
        PID:2160
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5016 -s 500
        3⤵
        • Program crash
        PID:608
    • 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:348
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 348 -s 432
        3⤵
        • Program crash
        PID:3412
    • 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:4964
      • 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:2468
        • 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:3208
    • 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:3192
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 348 -ip 348
    1⤵
      PID:3436
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5016 -ip 5016
      1⤵
        PID:4120
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 5016 -ip 5016
        1⤵
          PID:1600
        • 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:4472
          • 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:3188

        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

          be2d078111761c466e15b8b7f189c914

          SHA1

          f5b814d748172b9ee6a64c879d47bf8d20ac3b17

          SHA256

          ca48084b381b1e7bc7206eeb5f01de3c7a0abd4bae1baa6564126809b72bf899

          SHA512

          b61f959ef41840a5203c545350383704d0808ea628f37dc9b4f4a193705e698ac62156e619d28a5f381694f7ab0115be700112d1b6eef3b1175a795ebd37d3cd

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

          Filesize

          1.2MB

          MD5

          6da81e568d4c9cc56a8a955ea260657a

          SHA1

          5590c7c08cf0ba2d93d2e727011015aac2c4e5de

          SHA256

          78fd0da41604099531574a14ed0d169b7120519c8d18db7aa7e99ccedd101619

          SHA512

          6c6809eb201a4eea1f9119c126fd1f893aa0fc32825cfe26c096065ed0ec2579abb3b64a94668233dd04947fef7cf4608e0c7303d93c732a235e44c8786b47f5

        • C:\Windows\SysWOW64\240624328.txt

          Filesize

          49KB

          MD5

          da81f13cb8f147a5bc1212ae160ef054

          SHA1

          082dd86f1eee121c78f63938fc3b8bf7c455d469

          SHA256

          a1e7a625da26c7d416e35cbff4d1751d1af2b62b23d1b1a9f0adbe5907941d39

          SHA512

          57cda7440961be7b9ae5e0d2e4ff6adb8000c260e7de28f4f93791f92295bf74ee4613291bc859a744390a010af88a578f88e817f7752c01e18da450405565af

        • memory/1072-75-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/1072-72-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/1072-78-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/1072-69-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/1072-65-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/1072-62-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/1072-0-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/1072-59-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/1072-1-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/3188-48-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/3188-49-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/3188-44-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/4472-31-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/4472-34-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/4472-33-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/4964-23-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/4964-26-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/4964-25-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB