Analysis

  • max time kernel
    132s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/10/2024, 06:43

General

  • Target

    2024-10-01_a4319e597f341a0cf4f9390de88be83d_cryptolocker.exe

  • Size

    78KB

  • MD5

    a4319e597f341a0cf4f9390de88be83d

  • SHA1

    c96d8f4cea64961394a9225eadf43ba13765d8db

  • SHA256

    d99732d3335177782547c143b4675df84630df7417812dd985384307765be16d

  • SHA512

    0ecc9e39edeabcb1077033328705102bb2f972c0d5b03370fbc97c424481349d5b882b11d0661b132d73b858c4a17f8c934e359bd3c2c2d8af70f0ae7470c5ba

  • SSDEEP

    1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsu:X6a+SOtEvwDpjBZYvQd2t

Score
7/10

Malware Config

Signatures

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-01_a4319e597f341a0cf4f9390de88be83d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-01_a4319e597f341a0cf4f9390de88be83d_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2556

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          78KB

          MD5

          606f1c26e1fe1cee316263ecf95d9acd

          SHA1

          b3a59f2edd5ad55e49f0aad46283c8093987c6ba

          SHA256

          59233a9d97d926ac8095505ef7f1b2d6f8920fbb7785979ade723d826f5648b6

          SHA512

          f26566dc76102c8a5ac11e8f3ec4735b317d6c07f00553f04b5d52b432241e397828eb816c152143fa0981c7faa6411d2160f244a20b0b91a8a82fa0c6dfe39f

        • memory/1900-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

          Filesize

          24KB

        • memory/1900-1-0x00000000003F0000-0x00000000003F6000-memory.dmp

          Filesize

          24KB

        • memory/1900-8-0x00000000001C0000-0x00000000001C6000-memory.dmp

          Filesize

          24KB

        • memory/2556-15-0x0000000000370000-0x0000000000376000-memory.dmp

          Filesize

          24KB

        • memory/2556-22-0x0000000000320000-0x0000000000326000-memory.dmp

          Filesize

          24KB