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
    24/12/2024, 05:01

General

  • Target

    4486181fedf9e9337cc69ba91f8c979c4b913f41a8650572459577a597b27e66.exe

  • Size

    1.2MB

  • MD5

    5b36ad019c5c659596675db021ce3873

  • SHA1

    6c76de5f013ebbf4396ef445765c8c914deb31a5

  • SHA256

    4486181fedf9e9337cc69ba91f8c979c4b913f41a8650572459577a597b27e66

  • SHA512

    75c56864d838bf137619fcbccac2b3d1c52214d8b056a2bf83170a470ce363488ce03f3af9c0bde33c96d60ac85e7deb8d5aaf583c57bc7786604f09aa1928d0

  • SSDEEP

    24576:9WnukjaDKSnYBzaJbjSoGF9LzpELx3N/nHwhHK28URjX+d:MnTjaD/9v6Vcx9HwNhud

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 6 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\4486181fedf9e9337cc69ba91f8c979c4b913f41a8650572459577a597b27e66.exe
    "C:\Users\Admin\AppData\Local\Temp\4486181fedf9e9337cc69ba91f8c979c4b913f41a8650572459577a597b27e66.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:2680
    • 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:628
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      C:\Users\Admin\AppData\Local\Temp\\AK47.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1336
    • 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:4808
      • 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:2540
        • 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:2676
    • 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:4876
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:1792
    • 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:3228
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240620406.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:860
    • 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:680
      • 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:736

    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

            d0c27806f31b93b9fc2f40725c83fe20

            SHA1

            59b05bb965b9f9670f7b91c70e9e2175f6249f50

            SHA256

            827d79897a4ae98726ba7df9e70a554976117bfdd7e4867047011e1260b82e8e

            SHA512

            00755e257773645293e6330aef499a96562f65076f616d539c4dd91b13f6b67d8ebe936881edd0c10b2da3ca67e4a854f3d708c594fba291dab83897d890a4fa

          • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs

            Filesize

            753B

            MD5

            dfd40af5193d1c2a8ce046c56594f28a

            SHA1

            5c7d248bf90ce1d117ee14013e051979f9570b96

            SHA256

            a998ba8c9e7de115ee151ded8980fd084360871862ee67abfc9bd6a122eeff20

            SHA512

            901febb020e977b0cac2956a56e733ce7e718bfa4f43e86c258d7bfbb1c356aba1924d4f1e6acbbe00e9b66890a9d8383bd7726e0c694b0bfa75401a433e2b42

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

            Filesize

            1.2MB

            MD5

            69064a8475e782c253b94bfa50a46de4

            SHA1

            f9b17fc1791cc6d255069cd8137deb962989419f

            SHA256

            ab10e6de2e18adb3acf4613dd82d6cee22198fcba7d8e638c88da3efb099c289

            SHA512

            9eac5dbf67f42a557ddb357e9f98cf5eb63b7224eaf7313b18b1791d191a331aff8a489b34f1067bc321cb0d2c3d53118fb627831520fcaf8ec3f65d0db22392

          • C:\Windows\SysWOW64\240620406.txt

            Filesize

            49KB

            MD5

            1db90cd85a1202e102f8c2afa0da22e2

            SHA1

            87b99d25c966f501ef9901bbeb20582861c93e19

            SHA256

            d25c50affd75122da091d019768bdf440794c83f8723378f76f1a2e252409156

            SHA512

            bb2b47a997bd43b077469936b8433704989849c7bdfae70a10ee9955c0462bd8e1ed521b7470b3e385ba417376a6e2154fcc62b8e0a9878fad54e335ed6f3a2a

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

            Filesize

            60KB

            MD5

            889b99c52a60dd49227c5e485a016679

            SHA1

            8fa889e456aa646a4d0a4349977430ce5fa5e2d7

            SHA256

            6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

            SHA512

            08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

          • memory/680-40-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/680-39-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/680-38-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/736-55-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/736-50-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/736-54-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/2680-72-0x0000000000400000-0x0000000000761000-memory.dmp

            Filesize

            3.4MB

          • memory/2680-69-0x0000000000400000-0x0000000000761000-memory.dmp

            Filesize

            3.4MB

          • memory/2680-0-0x0000000000400000-0x0000000000761000-memory.dmp

            Filesize

            3.4MB

          • memory/2680-75-0x0000000000400000-0x0000000000761000-memory.dmp

            Filesize

            3.4MB

          • memory/2680-79-0x0000000000400000-0x0000000000761000-memory.dmp

            Filesize

            3.4MB

          • memory/2680-1-0x0000000000400000-0x0000000000761000-memory.dmp

            Filesize

            3.4MB

          • memory/2680-82-0x0000000000400000-0x0000000000761000-memory.dmp

            Filesize

            3.4MB

          • memory/2680-85-0x0000000000400000-0x0000000000761000-memory.dmp

            Filesize

            3.4MB

          • memory/2680-88-0x0000000000400000-0x0000000000761000-memory.dmp

            Filesize

            3.4MB

          • memory/4808-27-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/4808-24-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB

          • memory/4808-26-0x0000000010000000-0x00000000101BA000-memory.dmp

            Filesize

            1.7MB