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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09/03/2024, 23:33

General

  • Target

    2024-03-09_e9241eb7b30c4cd4208b06e6f6fb1bf6_cryptolocker.exe

  • Size

    77KB

  • MD5

    e9241eb7b30c4cd4208b06e6f6fb1bf6

  • SHA1

    da0cb72bf2c16e673ace471d71345cbaeac194d5

  • SHA256

    39777f3f33863c0f6de693d9d1e9027da5b517d371b17b6d2e60888e51269b23

  • SHA512

    7644b052ea536502d8dc6c56766d1e1f7f505ee3ab2c0f0bb68640f78eb869d0c50a265e8b3ded1334a14dc5f5cebf60d14204657dd6c5d45db69af1bbe58eb9

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIufLV:vCjsIOtEvwDpj5H9YvQd2N

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\2024-03-09_e9241eb7b30c4cd4208b06e6f6fb1bf6_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-09_e9241eb7b30c4cd4208b06e6f6fb1bf6_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    77KB

    MD5

    6beea039cbaac66e5664575cfcb60033

    SHA1

    51fa99de1a7bf4a34b73b6863f7cfd35482b0004

    SHA256

    9bfc7662ddcb845cf2626151728f91177821e193887da62473bc8a3d7daf6a0f

    SHA512

    9809ee261474fe00d52efd8249b16f20e681b719d0ad46832c7d2a0af2e31cadadbbad7571e47354b896504e4f28dd6e57da43e1b06bea56f7673f73eabd2d8b

  • memory/2524-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2524-2-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2524-1-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2748-15-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2748-16-0x0000000000420000-0x0000000000426000-memory.dmp

    Filesize

    24KB