Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/08/2023, 10:23

General

  • Target

    4664802802037d938ab83415146fb0be144c6e61a25179183c839233554ad1c3.exe

  • Size

    2.9MB

  • MD5

    d84f9d0171ae51d9cda7b2b6b7b42f37

  • SHA1

    3448c73d447d0ef575c986068cf42b9509796279

  • SHA256

    4664802802037d938ab83415146fb0be144c6e61a25179183c839233554ad1c3

  • SHA512

    3f06170acbbfd279d17dbc6f4e2527b12d9183682bc7fe44e6fefc31b3f270773e6d96a3a222180b9cf05072a723afcb8f1214c14a13df9c8188cd2154e41c9b

  • SSDEEP

    49152:cjwsbCANnKXferL7Vwe/Gg0P+WhVKDmn2uoQj2iF:yws2ANnKXOaeOgmhVKDmn2uoQj/

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
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 11 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 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\4664802802037d938ab83415146fb0be144c6e61a25179183c839233554ad1c3.exe
    "C:\Users\Admin\AppData\Local\Temp\4664802802037d938ab83415146fb0be144c6e61a25179183c839233554ad1c3.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4344
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:448
    • C:\Users\Admin\AppData\Local\Temp\N.exe
      C:\Users\Admin\AppData\Local\Temp\\N.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4392
      • 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\N.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2676
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:4172
    • C:\Users\Admin\AppData\Local\Temp\HD_4664802802037d938ab83415146fb0be144c6e61a25179183c839233554ad1c3.exe
      C:\Users\Admin\AppData\Local\Temp\HD_4664802802037d938ab83415146fb0be144c6e61a25179183c839233554ad1c3.exe
      2⤵
      • Executes dropped EXE
      PID:928
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:1992
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:408
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240616796.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3928
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2164
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.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:1316

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\HD_4664802802037d938ab83415146fb0be144c6e61a25179183c839233554ad1c3.exe

            Filesize

            304KB

            MD5

            82a99a1b50528b30350349592da7e035

            SHA1

            5a8af1f9ae1ac9c9289030756b3a9cc353d9f876

            SHA256

            2771c578ffe137b4e29fa445ed3e8a6dcfbe294abf9615de9bc24aac7f05e871

            SHA512

            fbfac76e6f4220782a7882a526486039234ddc60fb4232112f23e8a305d47be87cadc6adf9f0acadd5cc56b5c9bed9e331e295b5a2c9966bcc6d6dea19ad9751

          • C:\Users\Admin\AppData\Local\Temp\HD_4664802802037d938ab83415146fb0be144c6e61a25179183c839233554ad1c3.exe

            Filesize

            304KB

            MD5

            82a99a1b50528b30350349592da7e035

            SHA1

            5a8af1f9ae1ac9c9289030756b3a9cc353d9f876

            SHA256

            2771c578ffe137b4e29fa445ed3e8a6dcfbe294abf9615de9bc24aac7f05e871

            SHA512

            fbfac76e6f4220782a7882a526486039234ddc60fb4232112f23e8a305d47be87cadc6adf9f0acadd5cc56b5c9bed9e331e295b5a2c9966bcc6d6dea19ad9751

          • C:\Users\Admin\AppData\Local\Temp\HD_X.dat

            Filesize

            2.6MB

            MD5

            ebbd2e32344ea1777686b6a9bd5eeccc

            SHA1

            9fa09972e64ad18ecb7359969347819b6ae240dd

            SHA256

            5a10c905f59d20a4495c9658a8252348bd26eea5457d2d01187c88e1b4cda542

            SHA512

            26de2bcbc937cd7b62a181d7febadb6afcaf0c41975ae58cdf1da8130bd2eb494af1276766e58c30593cab71d5b7f44d792e108e96dd8082768eb7c98fa00346

          • C:\Users\Admin\AppData\Local\Temp\N.exe

            Filesize

            377KB

            MD5

            4a36a48e58829c22381572b2040b6fe0

            SHA1

            f09d30e44ff7e3f20a5de307720f3ad148c6143b

            SHA256

            3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

            SHA512

            5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

          • C:\Users\Admin\AppData\Local\Temp\N.exe

            Filesize

            377KB

            MD5

            4a36a48e58829c22381572b2040b6fe0

            SHA1

            f09d30e44ff7e3f20a5de307720f3ad148c6143b

            SHA256

            3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

            SHA512

            5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

          • C:\Users\Admin\AppData\Local\Temp\R.exe

            Filesize

            941KB

            MD5

            8dc3adf1c490211971c1e2325f1424d2

            SHA1

            4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

            SHA256

            bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

            SHA512

            ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

          • C:\Users\Admin\AppData\Local\Temp\R.exe

            Filesize

            941KB

            MD5

            8dc3adf1c490211971c1e2325f1424d2

            SHA1

            4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

            SHA256

            bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

            SHA512

            ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

          • C:\Windows\SysWOW64\240616796.txt

            Filesize

            899KB

            MD5

            bb131e80d3044ef4c694de1737c50066

            SHA1

            98310074a6b9ef1fc47387b2bea4f3d2289f8d33

            SHA256

            83f7fd5e42170785e6943132d21c883e24223b74b58a5daa867b9fc201680b89

            SHA512

            8772aaa0dbbf920dbb1b7900be7b2167d36e438a372e55a42f263c983f42ffe9d92f8e660c25be01c7bfd2da40ac5006ff931fa08c8fe913d25319240bf87a25

          • C:\Windows\SysWOW64\240616796.txt

            Filesize

            899KB

            MD5

            bb131e80d3044ef4c694de1737c50066

            SHA1

            98310074a6b9ef1fc47387b2bea4f3d2289f8d33

            SHA256

            83f7fd5e42170785e6943132d21c883e24223b74b58a5daa867b9fc201680b89

            SHA512

            8772aaa0dbbf920dbb1b7900be7b2167d36e438a372e55a42f263c983f42ffe9d92f8e660c25be01c7bfd2da40ac5006ff931fa08c8fe913d25319240bf87a25

          • C:\Windows\SysWOW64\240616796.txt

            Filesize

            899KB

            MD5

            bb131e80d3044ef4c694de1737c50066

            SHA1

            98310074a6b9ef1fc47387b2bea4f3d2289f8d33

            SHA256

            83f7fd5e42170785e6943132d21c883e24223b74b58a5daa867b9fc201680b89

            SHA512

            8772aaa0dbbf920dbb1b7900be7b2167d36e438a372e55a42f263c983f42ffe9d92f8e660c25be01c7bfd2da40ac5006ff931fa08c8fe913d25319240bf87a25

          • C:\Windows\SysWOW64\Remote Data.exe

            Filesize

            60KB

            MD5

            889b99c52a60dd49227c5e485a016679

            SHA1

            8fa889e456aa646a4d0a4349977430ce5fa5e2d7

            SHA256

            6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

            SHA512

            08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

          • C:\Windows\SysWOW64\Remote Data.exe

            Filesize

            60KB

            MD5

            889b99c52a60dd49227c5e485a016679

            SHA1

            8fa889e456aa646a4d0a4349977430ce5fa5e2d7

            SHA256

            6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

            SHA512

            08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

          • C:\Windows\SysWOW64\TXPlatfor.exe

            Filesize

            377KB

            MD5

            4a36a48e58829c22381572b2040b6fe0

            SHA1

            f09d30e44ff7e3f20a5de307720f3ad148c6143b

            SHA256

            3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

            SHA512

            5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

          • C:\Windows\SysWOW64\TXPlatfor.exe

            Filesize

            377KB

            MD5

            4a36a48e58829c22381572b2040b6fe0

            SHA1

            f09d30e44ff7e3f20a5de307720f3ad148c6143b

            SHA256

            3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

            SHA512

            5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

          • C:\Windows\SysWOW64\TXPlatfor.exe

            Filesize

            377KB

            MD5

            4a36a48e58829c22381572b2040b6fe0

            SHA1

            f09d30e44ff7e3f20a5de307720f3ad148c6143b

            SHA256

            3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

            SHA512

            5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

          • \??\c:\windows\SysWOW64\240616796.txt

            Filesize

            899KB

            MD5

            bb131e80d3044ef4c694de1737c50066

            SHA1

            98310074a6b9ef1fc47387b2bea4f3d2289f8d33

            SHA256

            83f7fd5e42170785e6943132d21c883e24223b74b58a5daa867b9fc201680b89

            SHA512

            8772aaa0dbbf920dbb1b7900be7b2167d36e438a372e55a42f263c983f42ffe9d92f8e660c25be01c7bfd2da40ac5006ff931fa08c8fe913d25319240bf87a25

          • memory/1316-54-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/1316-46-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/1316-44-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2164-39-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2164-29-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2164-30-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2164-26-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4392-31-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4392-21-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4392-20-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4392-17-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB