Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    27-01-2024 23:48

General

  • Target

    2024-01-27_f88efafa2a031ef0fc39e8a0c3635a2e_cobalt-strike_ryuk.exe

  • Size

    796KB

  • MD5

    f88efafa2a031ef0fc39e8a0c3635a2e

  • SHA1

    8e1fa51deecc0f9465d65715e286420d3ce88401

  • SHA256

    5622250df6633625db61a3fd6c28fb0af0905a52293ed3ada98c7e556dacb21a

  • SHA512

    cf84f0457973aefb803b44e55b78b8def818912c2cd3c528da41be8e31750f4d3175ff741f38bf74c91c8493f835d88bdea4a207db0a87e27a6d0f5813dd4879

  • SSDEEP

    24576:LANw243oVqIi2lObXobHAEW9INFJY0au:Lew2Bw7x03jY0a

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\2024-01-27_f88efafa2a031ef0fc39e8a0c3635a2e_cobalt-strike_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-27_f88efafa2a031ef0fc39e8a0c3635a2e_cobalt-strike_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2528

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2528-1-0x0000000140000000-0x00000001400CF000-memory.dmp

    Filesize

    828KB

  • memory/2528-0-0x00000000008E0000-0x0000000000940000-memory.dmp

    Filesize

    384KB

  • memory/2528-8-0x00000000008E0000-0x0000000000940000-memory.dmp

    Filesize

    384KB

  • memory/2528-7-0x00000000008E0000-0x0000000000940000-memory.dmp

    Filesize

    384KB

  • memory/2528-11-0x00000000008E0000-0x0000000000940000-memory.dmp

    Filesize

    384KB

  • memory/2528-13-0x0000000140000000-0x00000001400CF000-memory.dmp

    Filesize

    828KB