Analysis

  • max time kernel
    121s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-04-2023 11:04

General

  • Target

    11db6ff7c90f9fa839c507f8d5974b39fd0ba8866ec0e83a3e1b78db74592d64.exe

  • Size

    1.2MB

  • MD5

    c33712f1c6ddfcb8e566bcdd9f2eefc7

  • SHA1

    6d8208b47599d34f8fddca13496fbfd891e2f535

  • SHA256

    11db6ff7c90f9fa839c507f8d5974b39fd0ba8866ec0e83a3e1b78db74592d64

  • SHA512

    319ed15bf31740e1dd11fac7a195342ab7372c26ce39b7c5afdec7bb76eae5df58812b0da9b79934d2512b9239abc15c6d83cb4860025593cf74151b4695ae26

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJti5:WIwgMEuy+inDfp3/XoCw57XYBwK5

Malware Config

Signatures

  • Detect PurpleFox Rootkit 9 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 13 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 DLL path for service in the registry 2 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
  • UPX packed file 12 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • VMProtect packed file 3 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\11db6ff7c90f9fa839c507f8d5974b39fd0ba8866ec0e83a3e1b78db74592d64.exe
    "C:\Users\Admin\AppData\Local\Temp\11db6ff7c90f9fa839c507f8d5974b39fd0ba8866ec0e83a3e1b78db74592d64.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3244
    • 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
      PID:4208
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      C:\Users\Admin\AppData\Local\Temp\\AK47.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:228
    • 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
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4032
      • 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⤵
        • Suspicious use of WriteProcessMemory
        PID:4188
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:4372
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
        PID:2524
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
        2⤵
          PID:4936
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
        1⤵
          PID:3480
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
          1⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:4716
          • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
            C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240617375.txt",MainThread
            2⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:4456
        • C:\Windows\SysWOW64\Ghiya.exe
          C:\Windows\SysWOW64\Ghiya.exe -auto
          1⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2020
          • 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:4412

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Persistence

        Registry Run Keys / Startup Folder

        3
        T1060

        Defense Evasion

        Modify Registry

        3
        T1112

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        Remote System Discovery

        1
        T1018

        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\AK47.exe
          Filesize

          91KB

          MD5

          423eb994ed553294f8a6813619b8da87

          SHA1

          eca6a16ccd13adcfc27bc1041ddef97ec8081255

          SHA256

          050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218

          SHA512

          fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095

        • C:\Users\Admin\AppData\Local\Temp\AK47.exe
          Filesize

          91KB

          MD5

          423eb994ed553294f8a6813619b8da87

          SHA1

          eca6a16ccd13adcfc27bc1041ddef97ec8081255

          SHA256

          050b4f2d5ae8eaecd414318dc8e222a56f169626da6ca8feb7edd78e8b1f0218

          SHA512

          fab0a9af8031c242c486de373df7277c8b0e39f7a0c9c2ac2e385dbd3ea67be16e91b128287634f76131e5264149ab1b452cd21df4c4895e8c4efc8d8cf99095

        • 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\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

          458e5f1a663927aa2056149d1430ae06

          SHA1

          8f553b771a204472d0d4046713e6eae513fc13d7

          SHA256

          30690f69c884dba8cd107629dc3d6c8efe761a3197d86c4fdaf9897b11a59597

          SHA512

          a8d964c3e4bf51e25608b5c2977978e6480797e6189fe7900419b0d680bc0af65b3dd0fb913d894deb8429b54c9426bdc3dc1e012e6a0f66b45bc9605410790f

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

          753B

          MD5

          458e5f1a663927aa2056149d1430ae06

          SHA1

          8f553b771a204472d0d4046713e6eae513fc13d7

          SHA256

          30690f69c884dba8cd107629dc3d6c8efe761a3197d86c4fdaf9897b11a59597

          SHA512

          a8d964c3e4bf51e25608b5c2977978e6480797e6189fe7900419b0d680bc0af65b3dd0fb913d894deb8429b54c9426bdc3dc1e012e6a0f66b45bc9605410790f

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

          1.2MB

          MD5

          de55987b8acddccc364068aa1c95ba3f

          SHA1

          6a590949d1a74c98b50c6667717185e61bb4b6d9

          SHA256

          04b10a8675703ccc1a71bdfa7ed6552385677f341b8a3bf5668cf4ffb286e08f

          SHA512

          9d62f4011262ca94726c88ae752a145b10fc3aecde94f8202406c269ad96d7c041b7d17786ce2c3a52ed86b9724508ee015161025f7fb709518e281db1f5e7c8

        • C:\Windows\SysWOW64\240617375.txt
          Filesize

          49KB

          MD5

          7142415547db39bdbbb839871a6d6f88

          SHA1

          091fa816a46e57d51ccb369076721df17d7af54c

          SHA256

          b297b76a52f8e6ae650151e2a8946762372bbe5a5ea6a8ceef20aa346c3e5bdd

          SHA512

          a3dc3312a09b56c5b2a8bd7439942d61bbad16a5de23cd630bfd160a1dcdb691431b65acabe74ac8279d480ea442d69462c9049edd479c7d7af1d890fe5a0950

        • C:\Windows\SysWOW64\240617375.txt
          Filesize

          49KB

          MD5

          7142415547db39bdbbb839871a6d6f88

          SHA1

          091fa816a46e57d51ccb369076721df17d7af54c

          SHA256

          b297b76a52f8e6ae650151e2a8946762372bbe5a5ea6a8ceef20aa346c3e5bdd

          SHA512

          a3dc3312a09b56c5b2a8bd7439942d61bbad16a5de23cd630bfd160a1dcdb691431b65acabe74ac8279d480ea442d69462c9049edd479c7d7af1d890fe5a0950

        • C:\Windows\SysWOW64\240617375.txt
          Filesize

          49KB

          MD5

          7142415547db39bdbbb839871a6d6f88

          SHA1

          091fa816a46e57d51ccb369076721df17d7af54c

          SHA256

          b297b76a52f8e6ae650151e2a8946762372bbe5a5ea6a8ceef20aa346c3e5bdd

          SHA512

          a3dc3312a09b56c5b2a8bd7439942d61bbad16a5de23cd630bfd160a1dcdb691431b65acabe74ac8279d480ea442d69462c9049edd479c7d7af1d890fe5a0950

        • C:\Windows\SysWOW64\Ghiya.exe
          Filesize

          400KB

          MD5

          b0998aa7d5071d33daa5b60b9c3c9735

          SHA1

          9365a1ff0c6de244d6f36c8d84072cc916665d3c

          SHA256

          3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

          SHA512

          308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

        • C:\Windows\SysWOW64\Ghiya.exe
          Filesize

          400KB

          MD5

          b0998aa7d5071d33daa5b60b9c3c9735

          SHA1

          9365a1ff0c6de244d6f36c8d84072cc916665d3c

          SHA256

          3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

          SHA512

          308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

        • C:\Windows\SysWOW64\Ghiya.exe
          Filesize

          400KB

          MD5

          b0998aa7d5071d33daa5b60b9c3c9735

          SHA1

          9365a1ff0c6de244d6f36c8d84072cc916665d3c

          SHA256

          3080b6bb456564899b0d99d4131bd6a0b284d31f7d80ef773e4872d94048d49a

          SHA512

          308c13cda9fea39b980ae686f44afd9090e9cb8970fffc4436320e0d09a31aee5e656914e0121fe888098a14c52749716fa04980396fd6ac70a88c11cbb6b850

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

          60KB

          MD5

          889b99c52a60dd49227c5e485a016679

          SHA1

          8fa889e456aa646a4d0a4349977430ce5fa5e2d7

          SHA256

          6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

          SHA512

          08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

          60KB

          MD5

          889b99c52a60dd49227c5e485a016679

          SHA1

          8fa889e456aa646a4d0a4349977430ce5fa5e2d7

          SHA256

          6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

          SHA512

          08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

        • \??\c:\windows\SysWOW64\240617375.txt
          Filesize

          49KB

          MD5

          7142415547db39bdbbb839871a6d6f88

          SHA1

          091fa816a46e57d51ccb369076721df17d7af54c

          SHA256

          b297b76a52f8e6ae650151e2a8946762372bbe5a5ea6a8ceef20aa346c3e5bdd

          SHA512

          a3dc3312a09b56c5b2a8bd7439942d61bbad16a5de23cd630bfd160a1dcdb691431b65acabe74ac8279d480ea442d69462c9049edd479c7d7af1d890fe5a0950

        • memory/2020-172-0x0000000010000000-0x00000000101BA000-memory.dmp
          Filesize

          1.7MB

        • memory/2020-171-0x0000000010000000-0x00000000101BA000-memory.dmp
          Filesize

          1.7MB

        • memory/2020-169-0x0000000010000000-0x00000000101BA000-memory.dmp
          Filesize

          1.7MB

        • memory/3244-134-0x0000000000400000-0x0000000000760000-memory.dmp
          Filesize

          3.4MB

        • memory/3244-133-0x0000000000400000-0x0000000000760000-memory.dmp
          Filesize

          3.4MB

        • memory/4032-164-0x0000000010000000-0x00000000101BA000-memory.dmp
          Filesize

          1.7MB

        • memory/4032-161-0x0000000010000000-0x00000000101BA000-memory.dmp
          Filesize

          1.7MB

        • memory/4032-163-0x0000000010000000-0x00000000101BA000-memory.dmp
          Filesize

          1.7MB

        • memory/4412-181-0x0000000010000000-0x00000000101BA000-memory.dmp
          Filesize

          1.7MB

        • memory/4412-188-0x0000000010000000-0x00000000101BA000-memory.dmp
          Filesize

          1.7MB

        • memory/4412-182-0x0000000010000000-0x00000000101BA000-memory.dmp
          Filesize

          1.7MB

        • memory/4412-180-0x0000000010000000-0x00000000101BA000-memory.dmp
          Filesize

          1.7MB

        • memory/4412-202-0x0000000010000000-0x00000000101BA000-memory.dmp
          Filesize

          1.7MB

        • memory/4412-178-0x0000000010000000-0x00000000101BA000-memory.dmp
          Filesize

          1.7MB