Analysis

  • max time kernel
    56s
  • max time network
    159s
  • 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 11:02

General

  • Target

    055af61d40e116905254459469a6ba740d2bb5764f737a9827c2999a508fa8d4.exe

  • Size

    1.2MB

  • MD5

    22ee15110cdbd9a3e706b29210392052

  • SHA1

    086b55cc0d115c1ade325ae6f919261e26349e06

  • SHA256

    055af61d40e116905254459469a6ba740d2bb5764f737a9827c2999a508fa8d4

  • SHA512

    bb03ba5fff9005ac3fc2ccc56b94ff3e3b6cb227c619c9d6743129d2df9699932f3031f91323bf35bf1eff67d7278ea02add636b8cac1a3f54dd3364beb7b7a8

  • SSDEEP

    24576:HovxCwgMBqHO5ZdYXOp0nQrXctTfK+d+MrTXowFlw57XYBwJti3:WIwgMEuy+inDfp3/XoCw57XYBwK3

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 11 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 9 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 6 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 26 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\055af61d40e116905254459469a6ba740d2bb5764f737a9827c2999a508fa8d4.exe
    "C:\Users\Admin\AppData\Local\Temp\055af61d40e116905254459469a6ba740d2bb5764f737a9827c2999a508fa8d4.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:2784
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      "C:\Users\Admin\AppData\Local\Temp\AK47.exe"
      2⤵
      • Executes dropped EXE
      PID:2300
    • 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:644
    • 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:236
      • 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:4384
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:5052
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
        PID:4052
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
        2⤵
          PID:4492
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
          2⤵
            PID:2136
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
            2⤵
              PID:4664
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
            1⤵
              PID:3508
            • 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:2244
              • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
                C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240575609.txt",MainThread
                2⤵
                • Executes dropped EXE
                • Loads dropped DLL
                PID:3824
            • C:\Windows\SysWOW64\Ghiya.exe
              C:\Windows\SysWOW64\Ghiya.exe -acsi
              1⤵
              • Drops file in Drivers directory
              • Sets service image path in registry
              • Executes dropped EXE
              • Suspicious behavior: LoadsDriver
              • Suspicious use of AdjustPrivilegeToken
              PID:3976
            • C:\Windows\SysWOW64\Ghiya.exe
              C:\Windows\SysWOW64\Ghiya.exe -auto
              1⤵
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:2704

            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

              09d7a2e83f70bb2e68ad0871a2e3b4ec

              SHA1

              a9205a0bbc6e9b4fa5edabadb231221169402873

              SHA256

              ae50d1215bb7431c5e8756f7e6c58a32eb784a8b52a88455646da4154e1950b6

              SHA512

              5bb135e04feb6cf422063d5b44ce3d694cafd05a9d5e01dcff1998c3d201bc836d8aca7003f44a81862b33e664bc2a979c6d28bd59f6f0b6a6130cba5b71a209

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

              753B

              MD5

              09d7a2e83f70bb2e68ad0871a2e3b4ec

              SHA1

              a9205a0bbc6e9b4fa5edabadb231221169402873

              SHA256

              ae50d1215bb7431c5e8756f7e6c58a32eb784a8b52a88455646da4154e1950b6

              SHA512

              5bb135e04feb6cf422063d5b44ce3d694cafd05a9d5e01dcff1998c3d201bc836d8aca7003f44a81862b33e664bc2a979c6d28bd59f6f0b6a6130cba5b71a209

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

              1.2MB

              MD5

              91c9da819c8dd3d17e81427e453c9826

              SHA1

              6fe582437c0ff6b65076352c201831482280243d

              SHA256

              78e5579f9cf4f48660583f08025e3d270b92b8250e361e0db12f92a3a6b07df1

              SHA512

              f96a04b418050b1452a52b47d6156d173be7dd225de10220db0bc1e22dcc351065a810e4a4daaa541a8c55789ecfcc6262e99e3c55eec8a0deed920069d4a86a

            • C:\Windows\SysWOW64\240575609.txt
              Filesize

              49KB

              MD5

              889056157ff8a5fde79b697a0c95284f

              SHA1

              de61432b9ac885b1756bf59522ee91e4f82a35a4

              SHA256

              da8e881271f44f902348a78aa9a09b74a8eff2b7bab29fe59d9b01654297a438

              SHA512

              964f7f790363dedf0b30c6504ea0e813c268a6fc2c0e3ef3a83756ca012b17265c5fc62c3c17ed792293cdb2bccd8e22aa3b8f2ce5eb3e601862b41d5f04f582

            • C:\Windows\SysWOW64\240575609.txt
              Filesize

              49KB

              MD5

              889056157ff8a5fde79b697a0c95284f

              SHA1

              de61432b9ac885b1756bf59522ee91e4f82a35a4

              SHA256

              da8e881271f44f902348a78aa9a09b74a8eff2b7bab29fe59d9b01654297a438

              SHA512

              964f7f790363dedf0b30c6504ea0e813c268a6fc2c0e3ef3a83756ca012b17265c5fc62c3c17ed792293cdb2bccd8e22aa3b8f2ce5eb3e601862b41d5f04f582

            • C:\Windows\SysWOW64\240575609.txt
              Filesize

              49KB

              MD5

              889056157ff8a5fde79b697a0c95284f

              SHA1

              de61432b9ac885b1756bf59522ee91e4f82a35a4

              SHA256

              da8e881271f44f902348a78aa9a09b74a8eff2b7bab29fe59d9b01654297a438

              SHA512

              964f7f790363dedf0b30c6504ea0e813c268a6fc2c0e3ef3a83756ca012b17265c5fc62c3c17ed792293cdb2bccd8e22aa3b8f2ce5eb3e601862b41d5f04f582

            • 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\240575609.txt
              Filesize

              49KB

              MD5

              889056157ff8a5fde79b697a0c95284f

              SHA1

              de61432b9ac885b1756bf59522ee91e4f82a35a4

              SHA256

              da8e881271f44f902348a78aa9a09b74a8eff2b7bab29fe59d9b01654297a438

              SHA512

              964f7f790363dedf0b30c6504ea0e813c268a6fc2c0e3ef3a83756ca012b17265c5fc62c3c17ed792293cdb2bccd8e22aa3b8f2ce5eb3e601862b41d5f04f582

            • memory/236-164-0x0000000010000000-0x00000000101BA000-memory.dmp
              Filesize

              1.7MB

            • memory/236-163-0x0000000010000000-0x00000000101BA000-memory.dmp
              Filesize

              1.7MB

            • memory/236-161-0x0000000010000000-0x00000000101BA000-memory.dmp
              Filesize

              1.7MB

            • memory/2704-171-0x0000000010000000-0x00000000101BA000-memory.dmp
              Filesize

              1.7MB

            • memory/2704-172-0x0000000010000000-0x00000000101BA000-memory.dmp
              Filesize

              1.7MB

            • memory/2704-169-0x0000000010000000-0x00000000101BA000-memory.dmp
              Filesize

              1.7MB

            • memory/2784-133-0x0000000000400000-0x0000000000760000-memory.dmp
              Filesize

              3.4MB

            • memory/2784-136-0x0000000000400000-0x0000000000760000-memory.dmp
              Filesize

              3.4MB

            • memory/3976-182-0x0000000010000000-0x00000000101BA000-memory.dmp
              Filesize

              1.7MB

            • memory/3976-184-0x0000000010000000-0x00000000101BA000-memory.dmp
              Filesize

              1.7MB

            • memory/3976-187-0x0000000010000000-0x00000000101BA000-memory.dmp
              Filesize

              1.7MB