Analysis

  • max time kernel
    150s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 06:08

General

  • Target

    f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe

  • Size

    82KB

  • MD5

    1ac438d458f55d4dbca5132d813fdade

  • SHA1

    908abf50d4d3bae1940f0b96a91148bdd8c51471

  • SHA256

    f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5

  • SHA512

    ab6651c645d2496ca0c1b3d2cee72fbec7e87a141704277e0467dcfc88f5383ace1bfa9574606255df0749ce2931305c7c22a1a9e84479e3d52ff6941b24c28f

  • SSDEEP

    1536:W7ZhA7pApMaxB4b0CYJ97lEVqNR7YWtMQQQuMd303f:6e7WpMaxeb0CYJ97lEYNR7ZtR303f

Score
9/10

Malware Config

Signatures

  • Renames multiple (4820) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe
    "C:\Users\Admin\AppData\Local\Temp\f8b86507b0e22b383ea8f5269f6e19aa0ab3f840ab905abdec45577b67cdcfd5.exe"
    1⤵
    • Drops file in Program Files directory
    PID:1704

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-4124900551-4068476067-3491212533-1000\desktop.ini.tmp
    Filesize

    82KB

    MD5

    d34af12f633a1f2e776a83970fa1fd12

    SHA1

    39bc0db27a41df9bf51a9a6f3bc5ccf9d0d790b3

    SHA256

    4404de967724c695602afc80715cb97cbac2c0e8ec39f58cdd3c72dec5719006

    SHA512

    bc9329962fca121d4695449e4fd404b71f16e19639c943150eea9225453a7c732809a570dc499d30c5f3bba2328b56a96ad1d8c5bb8b5ec01d9df9d2ff858384

  • C:\Program Files\7-Zip\7-zip.dll.tmp
    Filesize

    181KB

    MD5

    9a9d51be4e4312a1cc4cc3088d1dcef9

    SHA1

    13729750b1a74e790bdc298fd7d2e4a009bc57cc

    SHA256

    996942d2e56e8122ac3c1737ed06eec26b0b20f83ec6db62e3b420cc6e9741b3

    SHA512

    58fb34052c15a1bbc8c3892573cb5916633b43652a623a07a4ca2a01b3cd1137738f33ff8d37f62f950770c9ddafc865506d00db32d4f1942ea1225610eed5c1