Analysis

  • max time kernel
    133s
  • 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
    01/01/2025, 17:51

General

  • Target
    be8c22984b9bcda78b4ce43be4c3bf804face0cd6d19ee88064ca95a625c4626.exe
  • Size 1.2MB
  • Sample250101-we5smsyldk
  • SHA256 be8c22984b9bcda78b4ce43be4c3bf804face0cd6d19ee88064ca95a625c4626
  • MD5 SHA1 SHA512 SSDEEP

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 9 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\be8c22984b9bcda78b4ce43be4c3bf804face0cd6d19ee88064ca95a625c4626.exe
    "C:\Users\Admin\AppData\Local\Temp\be8c22984b9bcda78b4ce43be4c3bf804face0cd6d19ee88064ca95a625c4626.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:3412
    • 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:3648
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 384
        3⤵
        • Program crash
        PID:5024
    • 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:3164
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3164 -s 440
        3⤵
        • Program crash
        PID:4740
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3164 -s 372
        3⤵
        • Program crash
        PID:3808
    • 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:3456
      • 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:2012
        • 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:4112
    • 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:1820
    • 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:2960
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3164 -ip 3164
    1⤵
      PID:3328
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3648 -ip 3648
      1⤵
        PID:3416
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3164 -ip 3164
        1⤵
          PID:2768
        • 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:4596
          • 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:2160

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              AK47.exe

              • Path C:\Users\Admin\AppData\Local\Temp\AK47.exe
              • Size 91KB
              • SHA256 050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218
              • MD5 SHA1 SHA512 SSDEEP

              AK74.exe

              • Path C:\Users\Admin\AppData\Local\Temp\AK74.exe
              • Size 400KB
              • SHA256 3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a
              • MD5 SHA1 SHA512 SSDEEP

              Config.ini

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Config.ini
              • Size 92B
              • SHA256 56225be6838bc6e93ea215891eacf28844ae27a9f8b2b29bf19d3a8c2b1f58df
              • MD5 SHA1 SHA512

              VBS3.vbs

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
              • Size 753B
              • SHA256 1d44f83a71103301f79b009ffccd48a8f03423aa08467ab0d5d67cab96d4ee1b
              • MD5 SHA1 SHA512

              svchcst.exe

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
              • Size 1.2MB
              • SHA256 27d74203616f0eeeb3d32b65016f09c995c496ac1f196095b02ca6524f9c3e00
              • MD5 SHA1 SHA512 SSDEEP

              240625609.txt

              • Path C:\Windows\SysWOW64\240625609.txt
              • Size 49KB
              • SHA256 95de0b28d4cc2b2ce3f6ca4addbb822b6eee82cc318b3ef0709e03b7ca2dfa96
              • MD5 SHA1 SHA512 SSDEEP

              memory/2160-45-0x0000000010000000-0x00000000101BA000-memory.dmp

              memory/2160-49-0x0000000010000000-0x00000000101BA000-memory.dmp

              memory/2160-48-0x0000000010000000-0x00000000101BA000-memory.dmp

              memory/3412-67-0x0000000000400000-0x0000000000760000-memory.dmp

              memory/3412-71-0x0000000000400000-0x0000000000760000-memory.dmp

              memory/3412-81-0x0000000000400000-0x0000000000760000-memory.dmp

              memory/3412-78-0x0000000000400000-0x0000000000760000-memory.dmp

              memory/3412-74-0x0000000000400000-0x0000000000760000-memory.dmp

              memory/3412-1-0x0000000000400000-0x0000000000760000-memory.dmp

              memory/3412-0-0x0000000000400000-0x0000000000760000-memory.dmp

              memory/3412-61-0x0000000000400000-0x0000000000760000-memory.dmp

              memory/3412-64-0x0000000000400000-0x0000000000760000-memory.dmp

              memory/3456-23-0x0000000010000000-0x00000000101BA000-memory.dmp

              memory/3456-25-0x0000000010000000-0x00000000101BA000-memory.dmp

              memory/3456-26-0x0000000010000000-0x00000000101BA000-memory.dmp

              memory/4596-34-0x0000000010000000-0x00000000101BA000-memory.dmp

              memory/4596-33-0x0000000010000000-0x00000000101BA000-memory.dmp

              memory/4596-31-0x0000000010000000-0x00000000101BA000-memory.dmp