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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    11/06/2024, 05:27

General

  • Target

    2024-06-11_bfeac5f36dbdccca409f3030f14dfb0f_cryptolocker.exe

  • Size

    74KB

  • MD5

    bfeac5f36dbdccca409f3030f14dfb0f

  • SHA1

    08d341b05dad1249485e3d57b24aaa0bb09aa57d

  • SHA256

    4d726a711a1c3a01c98770d764220d610bc0d791ed7ddf2adaed8a46b73835f6

  • SHA512

    cb01ed8ebacc4d8e3fbd48051ac9af52251a96b42b493a4f089730a41c3c7dd57cf7ef91bfdfeaecd8a379bb711c38e2c1fdf1b2a9459c62b37b978ce9d02084

  • SSDEEP

    768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMsPeWY:u6QFElP6n+gWMOtEvwDpjJGYQbfY

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\2024-06-11_bfeac5f36dbdccca409f3030f14dfb0f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-11_bfeac5f36dbdccca409f3030f14dfb0f_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    74KB

    MD5

    876cf8d4c9c12275e9e0dac9efa7add5

    SHA1

    527deb5190ede75266c04807fb9ff475e50219fc

    SHA256

    70b92941640e4636cb5d87e57d3d891218e1d7064ff370608da68fcca8da847b

    SHA512

    d83ffc974474e9b7b4b655efb7ec4dd168131da50a6b9ac2ac4a2a433780f8d902110e500f8a6b08047c8d01c4e287c4089adf569b7f3626e6611b869d612114

  • memory/2256-15-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/2256-22-0x0000000000440000-0x0000000000446000-memory.dmp

    Filesize

    24KB

  • memory/2964-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/2964-8-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2964-0-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB