Analysis

  • max time kernel
    150s
  • 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
    17-10-2024 18:51

General

  • Target

    13ca934e65ef47d900f6226d4eeaaa13e44cc25cb0dd0e0928e82556205b5642.exe

  • Size

    1.2MB

  • MD5

    fc302130276a5d8d1273bc346d0ad0f4

  • SHA1

    093dc56990d9ab43bcf482e50207097ae84f2301

  • SHA256

    13ca934e65ef47d900f6226d4eeaaa13e44cc25cb0dd0e0928e82556205b5642

  • SHA512

    9311b416aac827fd4b98acc5b6a3ecb1c5ffe167552e018cd1648a3bc4396346d032b3adc3a1da6d981c85531d240ab26f16cd6095fb2682b8c9ce513b13ed71

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJtiG:WIwgMEuy+inDfp3/XoCw57XYBwKG

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
  • 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\13ca934e65ef47d900f6226d4eeaaa13e44cc25cb0dd0e0928e82556205b5642.exe
    "C:\Users\Admin\AppData\Local\Temp\13ca934e65ef47d900f6226d4eeaaa13e44cc25cb0dd0e0928e82556205b5642.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:4136
    • 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:1604
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 396
        3⤵
        • Program crash
        PID:720
    • 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:1728
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 420
        3⤵
        • Program crash
        PID:1600
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 428
        3⤵
        • Program crash
        PID:1668
    • 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:4248
      • 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:2976
        • 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:4736
    • 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:4920
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1604 -ip 1604
    1⤵
      PID:3548
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1728 -ip 1728
      1⤵
        PID:2996
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1728 -ip 1728
        1⤵
          PID:2200
        • 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:2216
          • 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:1460

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        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

          22d6ef5a59f5f751898cf016cbb33d7d

          SHA1

          e3b336cdc48b2ea1c710b9b72fcc3e34337cd955

          SHA256

          490c7534aba5aabe5cf0fc89ecbb5c2c26ffadfe3ae3f6c9896817ee7766ccfc

          SHA512

          323394b272e7adaf1e8d76266907a6c4c7bb9d794d3d8f9854b16c8361abefbf7e57b34b66f8f8ed7c368f708d7ed0f5a547b69523ca4db87123be581341f0c9

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

          Filesize

          1.2MB

          MD5

          5d209cc4bac6671872c57d9b498ffed5

          SHA1

          b7172edf0d1ed0c000707c2744b19ef237d31b8e

          SHA256

          601a908ff55f1781ec18608636a7000ad536c277a7f4c2692f487275912f5520

          SHA512

          17ba5b1dbb6938cd6693cc110f225d9d1fccb7b8355485bf4f81f99378d40018764eba6178a460cbfa56b9a7b0117599bbf80b1fd8b34427ecb7dcedeb20e0d2

        • C:\Windows\SysWOW64\240630156.txt

          Filesize

          49KB

          MD5

          64ff006c00dfe7f29810f2e7eb5d7c36

          SHA1

          9c24c1d3eee3707c0156d54fa165c7d6a1f77da9

          SHA256

          dbff08a24820e0796b75e6bb67c6d91e232e205a67e388a800eed4e210c7eff3

          SHA512

          0ca2774094265e93c30a43c5556159ff3a6894eeadff125e7ea44180797c20c7171e95542e4cbf70c83745424fca1265a0ce46ee82ddcdfc1a4746919bdb47ca

        • memory/1460-46-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/1460-49-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/1460-44-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/2216-34-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/2216-33-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/2216-31-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/4136-65-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/4136-59-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/4136-62-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/4136-0-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/4136-69-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/4136-1-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/4136-72-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/4136-75-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/4136-79-0x0000000000400000-0x0000000000760000-memory.dmp

          Filesize

          3.4MB

        • memory/4248-23-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/4248-26-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB

        • memory/4248-25-0x0000000010000000-0x00000000101BA000-memory.dmp

          Filesize

          1.7MB