Analysis

  • max time kernel
    153s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/05/2023, 15:16

General

  • Target

    FS/cache/recovery/last_kmsg.8

  • Size

    512KB

  • MD5

    dc7d8b8dea0dde79e9c351045cb426dd

  • SHA1

    b373ef7e65d0de1714c882a3b2727f8d292382f1

  • SHA256

    7ae04f3273eb4d235caae0e1aa05aaea989ce186f67a525ba68f15017820eb39

  • SHA512

    75fa8af3209293dae48f48a88af29d53868d1a134120e8c40677a5496283e26111f9d22159f61c77df1f464170d2b8c13bababc6cc3a95452dacd6806e7d643c

  • SSDEEP

    1536:bftVb2XO6Wem7fmNCmuRTcFWiKp+XLjWG6yMydkSG7yiR9:LavWemUOQFO4fjV4P9

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\FS\cache\recovery\last_kmsg.8
    1⤵
    • Modifies registry class
    PID:1228
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3436

Network

MITRE ATT&CK Enterprise v6

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Downloads