Analysis

  • max time kernel
    0s
  • max time network
    68s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/06/2024, 04:15

General

  • Target

    2024-06-10_64d142935b6949513ca0b93a4b72cb06_cryptolocker.exe

  • Size

    57KB

  • MD5

    64d142935b6949513ca0b93a4b72cb06

  • SHA1

    7b71fcce202b764353f381afafc152d704051214

  • SHA256

    570bd19b1d748548e731b0690591dc7c3837b013a71fbeff2b3e402c3bd25ece

  • SHA512

    cf765ef5286ad9b42ee93bc8c3b9c43f82700567f27b91f96c82949223f14f05f7cab6403408f6e6732c5b938ca12faa11eb5b60ee6f9f16d0f9ea2836b36c33

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCW1nw71TkhsiPn1YFv6dl4GD9:vj+jsMQMOtEvwDpj5HH1nw73KOFif

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • 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\2024-06-10_64d142935b6949513ca0b93a4b72cb06_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-10_64d142935b6949513ca0b93a4b72cb06_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:4932

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          58KB

          MD5

          aca75dba155d89691ca0997c744dbd7d

          SHA1

          16d7bad69922b3953f53401cb9794b4a58bfd5c9

          SHA256

          8fd86692a5eba96cc9cfcd9b74d368585f6ee7a64df342e09bf92fce99d39ea2

          SHA512

          22989a7b0197bf36bcced488feb5ddf0d30262dad9c7ed84cb0b8eb18187c08998c54aea795da90845ec4d20519b3237c3a3c499709b703d7f4288168a3f9a8d

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/1416-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/1416-8-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/1416-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

          Filesize

          24KB

        • memory/4932-17-0x00000000005E0000-0x00000000005E6000-memory.dmp

          Filesize

          24KB

        • memory/4932-23-0x00000000005B0000-0x00000000005B6000-memory.dmp

          Filesize

          24KB