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Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    29/06/2024, 04:37

General

  • Target

    2024-06-29_4dc90cd97918cf06c09a3af83050bb7a_cryptolocker.exe

  • Size

    48KB

  • MD5

    4dc90cd97918cf06c09a3af83050bb7a

  • SHA1

    58a8068d45a3111f724f9c5b4d69f8f3a13befa7

  • SHA256

    6eae95c6b6a21a39035e2816b40778610ca8d1c747a6af97935ea95408d6c2c0

  • SHA512

    d502b0f20c21dfeba9f1311f318fdf0a273ae9cd48b7cf8a4a89980fe265b71d03399819c784bcfa8674da9dac9ead0fc3533719d4140b21860029018bd52414

  • SSDEEP

    768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPck:P6QFElP6k+MRQMOtEvwDpjBQpVXE

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 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\2024-06-29_4dc90cd97918cf06c09a3af83050bb7a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-29_4dc90cd97918cf06c09a3af83050bb7a_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2056
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    48KB

    MD5

    d0e8503e60472c12f437f1748a15252b

    SHA1

    14870b994c6f7262f8bfc0bf58df4623d805387e

    SHA256

    a5c65e58d6645da5912c51ed6e64d52083c0015fcf1fa9a714582d79b0d9a447

    SHA512

    858819c3417f70c2b00e7070adf2194e569133006a05ec967e2b28443f14601f88377ec10ea6c4ae631c0f8e3943826e652e93b24a42794d0eb7aa0278eaafd1

  • memory/2056-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2056-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2056-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2056-2-0x0000000000340000-0x0000000000346000-memory.dmp

    Filesize

    24KB

  • memory/2056-15-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2972-16-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2972-18-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/2972-25-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB