Analysis

  • max time kernel
    1s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11/06/2024, 02:28

General

  • Target

    2024-06-11_5197f2b53d09189e27b01f914539f07b_cryptolocker.exe

  • Size

    43KB

  • MD5

    5197f2b53d09189e27b01f914539f07b

  • SHA1

    b7629135bf81e2b50716f3809592990ce83a67d9

  • SHA256

    4fe4549b3947338a34c2f787e819a28c273c9d99aa1d3978a21b18c553387b34

  • SHA512

    ab9532d5ff18bb30753773c4770d36a79d79a71d8fedc194bf8b4d53b50e51ecaa84b903a6e31a9d7f8cfa8204cbcd3b51956cbd92477a7322ffb6eb7adbabb7

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aDDRJ:6j+1NMOtEvwDpjrRsJ

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 6 IoCs
  • Detection of Cryptolocker Samples 6 IoCs
  • Detects executables built or packed with MPress PE compressor 6 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_5197f2b53d09189e27b01f914539f07b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-11_5197f2b53d09189e27b01f914539f07b_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2612

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          43KB

          MD5

          5152e81cee8681927ae10aabe7d9f548

          SHA1

          9139b43f8e3fbd5bef3c634859c90956fa93a96d

          SHA256

          7b88eaea8a8d2c8f7768f8dee074fafb2cf263ad519b936e053bec0d3d9552cd

          SHA512

          322a6dab5836255ecbc93d3d4bb2366737fe0a1f6f7fb0d1764607aeea04884886b3e7c47fa3a7bd7959c465d119d66e9ec858322bba79e3110c533f7f4c80b4

        • memory/1612-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

          Filesize

          24KB

        • memory/1612-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

          Filesize

          24KB

        • memory/1612-2-0x0000000000330000-0x0000000000336000-memory.dmp

          Filesize

          24KB

        • memory/1612-0-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/1612-16-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/1612-13-0x0000000002700000-0x000000000270F000-memory.dmp

          Filesize

          60KB

        • memory/2612-26-0x0000000000320000-0x0000000000326000-memory.dmp

          Filesize

          24KB

        • memory/2612-19-0x0000000000450000-0x0000000000456000-memory.dmp

          Filesize

          24KB

        • memory/2612-17-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/2612-27-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB