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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13/05/2024, 19:34

General

  • Target

    2024-05-13_622ce6eaaaef1052095a19d9259e7a77_cryptolocker.exe

  • Size

    44KB

  • MD5

    622ce6eaaaef1052095a19d9259e7a77

  • SHA1

    bacb0cfca2079fcf9a4221837875bd7aff90177f

  • SHA256

    58225887b0232d1f7fe81fe08f791d15acc6bd9f93352d4f2052500700a01598

  • SHA512

    e7c2dc6e361fa9fd1c95db7a6eccef26d138079e2f84f884897e41d199d50eafd8e20cab1acaabb4f20ea34e2cce48b4d927fa34643d89d8c8850a057d6340b6

  • SSDEEP

    384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jo0nrlwfjDUpEui0U3o:bm74zYcgT/Ekn0ryfjLuH

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 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_622ce6eaaaef1052095a19d9259e7a77_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-13_622ce6eaaaef1052095a19d9259e7a77_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:2564

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    44KB

    MD5

    3b4caa357302539514a8e9e665b2a669

    SHA1

    30c5efb5f1fcef922d7fb4ee53400b438d43e308

    SHA256

    26c53674eda38f0a6629002183a878a44b991449bd4ef419eccba090d03182f1

    SHA512

    9666db6c03ec2f0894c9218c8ba39cb4ecf4bd62a9e837649a61df91f49e70ce5e1243ee9e9226b4f81962984b086721bc1b530a79599783712fdda2ddec49e2

  • memory/2564-16-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/2564-18-0x0000000000330000-0x0000000000336000-memory.dmp

    Filesize

    24KB

  • memory/2564-25-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2564-26-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/2968-0-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/2968-1-0x00000000002A0000-0x00000000002A6000-memory.dmp

    Filesize

    24KB

  • memory/2968-2-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2968-9-0x00000000002A0000-0x00000000002A6000-memory.dmp

    Filesize

    24KB

  • memory/2968-15-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB