Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/03/2024, 19:16

General

  • Target

    f6670d87d83f2e3e2bf5152b50c45411a94e3646f3ab8e8ca81c8c1b136b4510.exe

  • Size

    2.7MB

  • MD5

    b0235adaed702e027228ce962969f665

  • SHA1

    390085dd907e891bb28fc39c0dcd3addd6db57d2

  • SHA256

    f6670d87d83f2e3e2bf5152b50c45411a94e3646f3ab8e8ca81c8c1b136b4510

  • SHA512

    f884dd98dc3970b00de9737f6fc682621d3ff11d2671f23c140a39a3469f345be5dd5dc7f041ba7cd93f6d025f6ea824bedc578cab1c7b4c7e0e58ed7bbc5640

  • SSDEEP

    24576:yCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH6:yCwsbCANnKXferL7Vwe/Gg0P+Wh52Fm

Malware Config

Signatures

  • Detect PurpleFox Rootkit 9 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 12 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 13 IoCs

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

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

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

  • NSIS installer 2 IoCs
  • 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\f6670d87d83f2e3e2bf5152b50c45411a94e3646f3ab8e8ca81c8c1b136b4510.exe
    "C:\Users\Admin\AppData\Local\Temp\f6670d87d83f2e3e2bf5152b50c45411a94e3646f3ab8e8ca81c8c1b136b4510.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4892
    • 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:956
    • 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:372
      • 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:3256
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1576
    • C:\Users\Admin\AppData\Local\Temp\HD_f6670d87d83f2e3e2bf5152b50c45411a94e3646f3ab8e8ca81c8c1b136b4510.exe
      C:\Users\Admin\AppData\Local\Temp\HD_f6670d87d83f2e3e2bf5152b50c45411a94e3646f3ab8e8ca81c8c1b136b4510.exe
      2⤵
      • Executes dropped EXE
      PID:1452
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:688
    • 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:3720
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240595203.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3512
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4720
      • 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:224

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

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

            Filesize

            2.6MB

            MD5

            a57db7c955b533b46f269ea89b8643d5

            SHA1

            23d835613bc5a2ce4b85326b254c915a62179206

            SHA256

            d467fca893a09d5f2b98f6a06e73fddd01969417ae38bc8033a68ececa3b3773

            SHA512

            73df229eeed6512c3312a618991672688511941720f213ee2a2aabc3fd77f2aed8ea698f29e403630b79e8f54b221a0cda47aed386b4f9eb38ea41255cde75d5

          • C:\Users\Admin\AppData\Local\Temp\HD_f6670d87d83f2e3e2bf5152b50c45411a94e3646f3ab8e8ca81c8c1b136b4510.exe

            Filesize

            81KB

            MD5

            3d73e5c8d964c2424a8937c835f8143a

            SHA1

            3e5f8285a3110c321973376839154182503a20bc

            SHA256

            ddb20c055450d2632ce95c11a43046d116711a31eff2fcac91f2c7805b009e3a

            SHA512

            28d911d59ef9446e555969caece90b9f66c12a8f32d4b3a609d7cd0c767d2cd56e7c8639d78fd4ffef53cecdefa144cc8842fa28c950056dfd0607f862b2834f

          • 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:\Windows\SysWOW64\240595203.txt

            Filesize

            899KB

            MD5

            03fb0b7af6f3ed17f93ab070167537c9

            SHA1

            7c21de4474e303f2d1e56d9139c7ca0926945081

            SHA256

            0313f6bf6c77ef3521cb3abf509f83cc24313f3de75b21b99f631320f5f01c2b

            SHA512

            879bdf78f4f64cf41eb3605cd30e588662498e0d62ddf4af19a04f618b9e223c03c907c958900a3df160a2da46f09e851c3fee6eba922d010690e02aacc81307

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

            Filesize

            60KB

            MD5

            889b99c52a60dd49227c5e485a016679

            SHA1

            8fa889e456aa646a4d0a4349977430ce5fa5e2d7

            SHA256

            6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

            SHA512

            08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

          • memory/224-46-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/224-49-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/224-42-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/372-19-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/372-33-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/372-21-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/372-20-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/372-17-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4720-30-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4720-28-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4720-29-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4720-38-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4720-26-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB