Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    11/06/2024, 02:33

General

  • Target

    2024-06-11_a8c588e03ecb3646f5f3fd763aedd801_cryptolocker.exe

  • Size

    50KB

  • MD5

    a8c588e03ecb3646f5f3fd763aedd801

  • SHA1

    42a8da3389e3345e1e93737eeac373f61346a4d4

  • SHA256

    09da49c224362ada42401cb498b51ded042b803df53447a443a4fc1bfc97f17c

  • SHA512

    2527a64a1408c2a91b56aab676e8c11c114c71350cabe2609676de30d9eaa1f45bb2f3567f2a5461e8521066ccac5611731b9df083879758b21e3085a775bd23

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vdXfm6:X6QFElP6n+gJBMOtEvwDpjBtEdXfd

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_a8c588e03ecb3646f5f3fd763aedd801_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-11_a8c588e03ecb3646f5f3fd763aedd801_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2948

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          50KB

          MD5

          52799cfa88f102f30001567ecf1c56e9

          SHA1

          f55583bd76d5dc8248b1816f909fcbe7d479f62e

          SHA256

          81b0475007c49491b2d92732ad936d8958fb7d087cec766126f36fdeafffbd6d

          SHA512

          4d22ea0d5d8e1e78d0b259567d7f34343b1025b2e4db89375f65e682696db8da0c238c6143984c14813aa087e5ed99d75396b6bd79ba4702cf9dfb687ac6c47b

        • memory/1720-1-0x0000000000340000-0x0000000000346000-memory.dmp

          Filesize

          24KB

        • memory/1720-0-0x0000000000300000-0x0000000000306000-memory.dmp

          Filesize

          24KB

        • memory/1720-8-0x0000000000300000-0x0000000000306000-memory.dmp

          Filesize

          24KB

        • memory/2948-22-0x0000000000240000-0x0000000000246000-memory.dmp

          Filesize

          24KB

        • memory/2948-15-0x0000000000380000-0x0000000000386000-memory.dmp

          Filesize

          24KB