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Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13/05/2024, 15:28

General

  • Target

    2024-05-13_a044aa1fd316f467029b7634fd71df51_cryptolocker.exe

  • Size

    37KB

  • MD5

    a044aa1fd316f467029b7634fd71df51

  • SHA1

    c1f6b01a09c23c0bfb97b8748126ffeabde66833

  • SHA256

    9f4659371a8c8bd559b7bc918d339499320b222c50ff16521e4ed95bca66366b

  • SHA512

    6ae57ff44cc2680ec4ac4f822b48ff31275ddbc3c626ad4d1d0421c065316de9689a8dd20846939589880fad14388968e7bf4b88679fd62988944dbab7fbebd6

  • SSDEEP

    768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4Y:fT+hsMQMOtEvwDpjoIHY

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 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\2024-05-13_a044aa1fd316f467029b7634fd71df51_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-13_a044aa1fd316f467029b7634fd71df51_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    38KB

    MD5

    cf13eeacb30924cd16ccea086fdaa7e2

    SHA1

    511f25f99b5835e3e33b322b7705403af3a9f36a

    SHA256

    5e301ffb61dc32e0b3a25bae5d48eaa84d6df666c044889dffcd95a009b0273c

    SHA512

    ba4bf2556db663bb7b64eb811c18c7515ea01bab08e5956560e760e111f16d0743dd5c418792890979bda2a311302884696e51aca8a7d97ddffd031a8f40a909

  • memory/2692-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2692-1-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2692-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB