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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    25/05/2024, 02:48

General

  • Target

    2024-05-25_989ea9edf7979349728002fb556f62d5_cryptolocker.exe

  • Size

    50KB

  • MD5

    989ea9edf7979349728002fb556f62d5

  • SHA1

    c3f6f7d41bcd4bfcf6b46213fb0df332d85d2765

  • SHA256

    efcdfd8a892183cbe490aae6099f9e2c077a1bc3a1791dcda4940515f2fec26b

  • SHA512

    d3a134d47e2f59cec16edc1db5f361440f28bda4434b491628a8fd04c763988bae437c9596d863310b856e9fb243528410e6248c886a3bbdba9abcda2d2afec4

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ15x8r8:ZVxkGOtEvwDpjcs

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-25_989ea9edf7979349728002fb556f62d5_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-25_989ea9edf7979349728002fb556f62d5_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\misid.exe

    Filesize

    50KB

    MD5

    920dcaf71c3471312138b09c50640594

    SHA1

    5e0ae006e1d719db484b0aefc0d676f1b53bddc9

    SHA256

    63678d1dff16a929f707a40c91d4fbbf34f41daaabf869997b03d130671b1ba6

    SHA512

    e64533358a70715ffdb5218e9b48e0ff5aec30f64b000c844d2bc9c97284b5b1962afbc3686dc8d31fea10377b3630a56246e65fbf38f0c4d47690ba7361b1e4

  • memory/1940-0-0x0000000000230000-0x0000000000233000-memory.dmp

    Filesize

    12KB

  • memory/1940-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1940-2-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/1940-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2992-16-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB

  • memory/2992-17-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB