Analysis

  • max time kernel
    91s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2024, 21:02

General

  • Target

    2024-01-24_e79abcd197d5f7a72d8f00f67594cc18_cobalt-strike_ryuk.exe

  • Size

    796KB

  • MD5

    e79abcd197d5f7a72d8f00f67594cc18

  • SHA1

    87e093b4ae1694db00f6e6e590efc17ce56bb01c

  • SHA256

    5896c04f97e355b899ebe3f406b32897995091dd1daffc79dddb4f17629ecdd2

  • SHA512

    01ea0d83005abc030d4dd19ec872e0e47a195e517502c770d2124672d460a7fd3c30bbc0d713fcaa1f54934cd775d4fe5f50930b70b48b7d1a8db5fb78b833d4

  • SSDEEP

    12288:fXDOAZzP/w24lh6Gt/sB1KcYmqgZvAMlUoUjG+YKtMfnkOeZb5JYiNAgAPh:aANw243dt/sBlDqgZQd6XKtiMJYiPU

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-24_e79abcd197d5f7a72d8f00f67594cc18_cobalt-strike_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-24_e79abcd197d5f7a72d8f00f67594cc18_cobalt-strike_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4624

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4624-0-0x0000000140000000-0x00000001400CF000-memory.dmp

          Filesize

          828KB

        • memory/4624-1-0x0000000003570000-0x00000000035D0000-memory.dmp

          Filesize

          384KB

        • memory/4624-7-0x0000000003570000-0x00000000035D0000-memory.dmp

          Filesize

          384KB

        • memory/4624-9-0x0000000003570000-0x00000000035D0000-memory.dmp

          Filesize

          384KB

        • memory/4624-11-0x0000000140000000-0x00000001400CF000-memory.dmp

          Filesize

          828KB