Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    02/06/2024, 00:52

General

  • Target

    2024-06-02_d097099656da7c3f4184548cb2c8055f_cryptolocker.exe

  • Size

    49KB

  • MD5

    d097099656da7c3f4184548cb2c8055f

  • SHA1

    3d8df43c7cc591a639d49ac145b98ca77c632e32

  • SHA256

    d665c773bb2b595e5945b55adaa25f7f0cc81dcd5455bc489196e0f69492f176

  • SHA512

    78cd11a01a5c0968f4f2acbdeebe407fdad92f5bf60c0b21e79fe8887880024bc47e21c1ab322cfc219b2da017e651e3c8095b262e79fcb13710d4d7c663e130

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vdXfV:X6QFElP6n+gJBMOtEvwDpjBtEdXfV

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\2024-06-02_d097099656da7c3f4184548cb2c8055f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-02_d097099656da7c3f4184548cb2c8055f_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2492

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          50KB

          MD5

          387f3bacf276247f26feaa22ddf2c07e

          SHA1

          22e6c7f37d48da8e9603ff422acbf1c0072c0bcd

          SHA256

          62cda057b5b88ec40daf7618d39ed696ffaec1e7d369eaecaa92f328378b12d8

          SHA512

          2dbb91d7cac400e4e2caa908bb4df834b5c498b35e01754b9ccc2fd2c7e199fd1446a6b83175a55903b84b86e21ca79dc828a8ecc30a5646a9e481a99f13cff7

        • memory/2492-15-0x0000000000310000-0x0000000000316000-memory.dmp

          Filesize

          24KB

        • memory/2492-22-0x00000000002D0000-0x00000000002D6000-memory.dmp

          Filesize

          24KB

        • memory/2872-0-0x0000000000450000-0x0000000000456000-memory.dmp

          Filesize

          24KB

        • memory/2872-1-0x0000000000490000-0x0000000000496000-memory.dmp

          Filesize

          24KB

        • memory/2872-8-0x0000000000450000-0x0000000000456000-memory.dmp

          Filesize

          24KB