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Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    23/01/2024, 16:50 UTC

General

  • Target

    2024-01-23_b94c91a04154cc7347d74522f4d1445e_ryuk.exe

  • Size

    1.8MB

  • MD5

    b94c91a04154cc7347d74522f4d1445e

  • SHA1

    e57a6e0e74d361a6c05ff75eb8e6bddf9e9b056b

  • SHA256

    89486edb136eb5f8bd3fe234620def7649f31af557cd7d5bdfd5f26d564309b7

  • SHA512

    8e274fd2ae7f415a7d11e362c1246820854499394cfda54040fe7bb5083940efaee3461bd1300b48c1ce2513c1b0a4ef1397ec031469f646387bd0e0a9cc4243

  • SSDEEP

    24576:ZT1npwJ+RMatr0zAiX90z/F0jsFB3SQk:VNdMaB0zj0yjoB2

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\2024-01-23_b94c91a04154cc7347d74522f4d1445e_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-23_b94c91a04154cc7347d74522f4d1445e_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2240

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2240-1-0x0000000140000000-0x00000001401DD000-memory.dmp

    Filesize

    1.9MB

  • memory/2240-0-0x00000000009F0000-0x0000000000A50000-memory.dmp

    Filesize

    384KB

  • memory/2240-8-0x00000000009F0000-0x0000000000A50000-memory.dmp

    Filesize

    384KB

  • memory/2240-7-0x00000000009F0000-0x0000000000A50000-memory.dmp

    Filesize

    384KB

  • memory/2240-10-0x00000000009F0000-0x0000000000A50000-memory.dmp

    Filesize

    384KB

  • memory/2240-12-0x0000000140000000-0x00000001401DD000-memory.dmp

    Filesize

    1.9MB

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