Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    22/08/2023, 23:49

General

  • Target

    a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e.exe

  • Size

    1.3MB

  • MD5

    77067942cb7b5515dada10fcba8a34ac

  • SHA1

    580b6cc3a37bd19081ffe8885dbc5613fb74a24f

  • SHA256

    a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e

  • SHA512

    08829b2f5d94cfb9335df65fe38aa45fc5e8b39e26dc31f35f635956906f678960ba87a7b5f17fd6df0a3ece3efe809247638c20c2fbfd495c8b180d7d42e5f6

  • SSDEEP

    24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNF:QHPkVOBTK

Malware Config

Signatures

  • Detect PurpleFox Rootkit 2 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 2 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 service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e.exe
    "C:\Users\Admin\AppData\Local\Temp\a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2636
    • 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\A4BAD7~1.EXE > nul
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2568
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 2 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2792
  • C:\Windows\SysWOW64\sainbox.exe
    C:\Windows\SysWOW64\sainbox.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Windows\SysWOW64\sainbox.exe
      C:\Windows\SysWOW64\sainbox.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:2584

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\sainbox.exe

          Filesize

          1.3MB

          MD5

          77067942cb7b5515dada10fcba8a34ac

          SHA1

          580b6cc3a37bd19081ffe8885dbc5613fb74a24f

          SHA256

          a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e

          SHA512

          08829b2f5d94cfb9335df65fe38aa45fc5e8b39e26dc31f35f635956906f678960ba87a7b5f17fd6df0a3ece3efe809247638c20c2fbfd495c8b180d7d42e5f6

        • C:\Windows\SysWOW64\sainbox.exe

          Filesize

          1.3MB

          MD5

          77067942cb7b5515dada10fcba8a34ac

          SHA1

          580b6cc3a37bd19081ffe8885dbc5613fb74a24f

          SHA256

          a4bad7812fbae76f1d1827fe6c544f4843ae7711d9053c6e49f2d8a1e03e4c0e

          SHA512

          08829b2f5d94cfb9335df65fe38aa45fc5e8b39e26dc31f35f635956906f678960ba87a7b5f17fd6df0a3ece3efe809247638c20c2fbfd495c8b180d7d42e5f6

        • memory/2584-70-0x0000000010000000-0x000000001019F000-memory.dmp

          Filesize

          1.6MB

        • memory/2636-53-0x0000000010000000-0x000000001019F000-memory.dmp

          Filesize

          1.6MB