Analysis

  • max time kernel
    128s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/12/2022, 18:04

General

  • Target

    [Kimochi] RJ436992.rar

  • Size

    48.5MB

  • MD5

    e9d50c096f7094eb52582735652e8844

  • SHA1

    6b32291149b301220b4de48701d09f7220af2b20

  • SHA256

    31f8abd2733ec75af654648dd022ce1a4d89512ef3340292d5a84acf64db4280

  • SHA512

    01ce96cfb1b29a764fad346f28e32c35e378c99e237982c8e76d698464e67417ebf0b502fa6213e84bd9118e7eea6f17e9c934685e5909dc23273fd30b720c72

  • SSDEEP

    786432:buzqzjbvMlaiMfsmiCo14VgED3Pd5jMFOf/jEz4xa6CRPsG4k5C5gzs0Z/xIhv/:bumTMOUmvo14tLDjMEw8s6CRRsS5ZU

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • 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\[Kimochi] RJ436992.rar"
    1⤵
    • Modifies registry class
    PID:4320
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2476
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2848

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads