Analysis

  • max time kernel
    141s
  • max time network
    48s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/01/2024, 06:46

General

  • Target

    2024-01-08_b9e6bb95f2de2c25c6cd53c2470c0bbb_ryuk.exe

  • Size

    1.8MB

  • MD5

    b9e6bb95f2de2c25c6cd53c2470c0bbb

  • SHA1

    9caa95afa08012111a7195d18d36a2e368dee3a9

  • SHA256

    bfd3ca333ed0df4cf083897e2004b7dcbeae17c8f093b5e43ec5b0305151f543

  • SHA512

    abcdd4e7c25be96f99232df2b2c4dd632ee0b70274e5cc6901ba1045d522b01a40527052d2c31fe80aeb5636ab875caf8242736eaa7e6905de498287f4fb3f07

  • SSDEEP

    24576:nKjdRz0DzOswhCw+5fCpmALmQjdjIucF93i0MIBH6iMTlaHa+sqIJSlvxJ:nKX0DzOswXefymHQlIuQPBtP6+3vj

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\2024-01-08_b9e6bb95f2de2c25c6cd53c2470c0bbb_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-08_b9e6bb95f2de2c25c6cd53c2470c0bbb_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1912

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1912-1-0x0000000140000000-0x00000001401E8000-memory.dmp

          Filesize

          1.9MB

        • memory/1912-0-0x00000000020B0000-0x0000000002110000-memory.dmp

          Filesize

          384KB

        • memory/1912-12-0x0000000140000000-0x00000001401E8000-memory.dmp

          Filesize

          1.9MB

        • memory/1912-10-0x00000000020B0000-0x0000000002110000-memory.dmp

          Filesize

          384KB

        • memory/1912-8-0x00000000020B0000-0x0000000002110000-memory.dmp

          Filesize

          384KB

        • memory/1912-7-0x00000000020B0000-0x0000000002110000-memory.dmp

          Filesize

          384KB