Analysis

  • max time kernel
    185s
  • max time network
    193s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/01/2024, 05:56

General

  • Target

    2024-01-10_bf95360763cfd8d59de8ec4ee22f4428_cryptolocker.exe

  • Size

    92KB

  • MD5

    bf95360763cfd8d59de8ec4ee22f4428

  • SHA1

    e1cfa08b96e3eea082b090926419976f9f718f0b

  • SHA256

    8dafad418916bd6f77b0773659e12a547a121cd09cf694713fd2b2a02b25fed0

  • SHA512

    33388af1d5e4cce787dd22ee50341106bebd9dfcffec6b73d4c0d5f55898eaff21f39645720bcbd6c3b4b93485187d5878d05a346531e7a464f52745fe4a1ac3

  • SSDEEP

    1536:26QFElP6n+gBQMOtEvwDpjQGYQbN/PKwNCf:26a+2OtEvwDpjtzk

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-10_bf95360763cfd8d59de8ec4ee22f4428_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-10_bf95360763cfd8d59de8ec4ee22f4428_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:3636

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          92KB

          MD5

          2de1c205ca3e89e2460b73f00ca272f9

          SHA1

          fdf9dec5dd2f8490607cf7c82fcc75d5d3d5fb61

          SHA256

          4a6e2b20b2a2a2907a1444b291194205d697c66ee9ccceb3a1fdb203e602dffd

          SHA512

          5453820d0c5c2f1d1396ea301712e41abf07cc10d87c7d5b386f818c6eb0611b831d5818f798df5de24c293cdbc7246d1f7acf6a6571c61364874e29f2f63d69

        • memory/1620-0-0x0000000000670000-0x0000000000676000-memory.dmp

          Filesize

          24KB

        • memory/1620-1-0x0000000000670000-0x0000000000676000-memory.dmp

          Filesize

          24KB

        • memory/1620-2-0x0000000002080000-0x0000000002086000-memory.dmp

          Filesize

          24KB

        • memory/3636-17-0x0000000000820000-0x0000000000826000-memory.dmp

          Filesize

          24KB

        • memory/3636-18-0x0000000000660000-0x0000000000666000-memory.dmp

          Filesize

          24KB