Analysis

  • max time kernel
    147s
  • 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, 02:33

General

  • Target

    2024-06-11_a3a9dd626a688327ca80c15d785ca282_cryptolocker.exe

  • Size

    47KB

  • MD5

    a3a9dd626a688327ca80c15d785ca282

  • SHA1

    f59b23609205260aa94f58077d432851787eb80a

  • SHA256

    7f4406ab86bc17d47f02ae640b5935358865109d4b8f2e5c67e5871c32582ca6

  • SHA512

    508f4e7c9fe1bfa0776c8348dde9311e048691b393b2bc797763538375ae471bdfc123ce3e447bf1fdd46e7dc1445d5a8fa96f141bca005f82c5b090b0fd2e06

  • SSDEEP

    768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm0EXsix:V6QFElP6n+gMQMOtEvwDpjyaYaFAh39x

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_a3a9dd626a688327ca80c15d785ca282_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-11_a3a9dd626a688327ca80c15d785ca282_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2424
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:1228

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          47KB

          MD5

          3f264bc0acae630d3487fd93adc95135

          SHA1

          4c162fc3fe599152d13d6b40cf3b442a4ff963d3

          SHA256

          aa321c7bb31c9450c2df8e87d1a3b1f1391fbdf5de55e21014ee9dcd371cd839

          SHA512

          3f28694fd09b9d4c0e5431c0ed3ab6cc26d2a0aafa5dffc493b3a0f9de39fb4bb6bf6199ba9c78a338ed1cfa43ed75bfa68709d59e0be760e9fae43a69b86bba

        • memory/1228-22-0x00000000001C0000-0x00000000001C6000-memory.dmp

          Filesize

          24KB

        • memory/1228-15-0x00000000003F0000-0x00000000003F6000-memory.dmp

          Filesize

          24KB

        • memory/2424-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

          Filesize

          24KB

        • memory/2424-2-0x0000000000310000-0x0000000000316000-memory.dmp

          Filesize

          24KB

        • memory/2424-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

          Filesize

          24KB