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Analysis

  • max time kernel
    138s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06/04/2024, 06:43

General

  • Target

    2024-04-06_d328fea08aad7ad1f1f060ba1edef1d9_cryptolocker.exe

  • Size

    42KB

  • MD5

    d328fea08aad7ad1f1f060ba1edef1d9

  • SHA1

    42d0b41785f436c75b01c478729b647214805fd8

  • SHA256

    c6da462903bb49df77d3d52f08c513ea6b3b3c71c24f41c7376174c235436f82

  • SHA512

    aeb1ce2bc8e07efd5d08f045a348b736e9aa9c065a64f163d46ad396c7118a4206ea2aa2873718a906c3991814385651ed89dbe13482aa0401dafb4483c1a0bc

  • SSDEEP

    768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRp5f6:m5nkFNMOtEvwDpjG8hhXj5f6

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 3 IoCs
  • Detects executables built or packed with MPress PE compressor 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\2024-04-06_d328fea08aad7ad1f1f060ba1edef1d9_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-06_d328fea08aad7ad1f1f060ba1edef1d9_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    42KB

    MD5

    a844b9f71bee1cec4c57cb31ad13c999

    SHA1

    dfd86e4e0396bb4f9740f7d88b3f6f7abdb1434e

    SHA256

    45469b3dd250cb89a1bf2732c1242f8b5b6d704d1172c8dc18cb91d4680e38f1

    SHA512

    90649bbc822f6f7415cb731b9a9d0d7d1197625f37cf21c517c39085b1574fe3817169027eb2747c51545cdeac923dcb418b9720e6edb65797351279d162ae4f

  • memory/2524-18-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2524-19-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/2524-26-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2524-27-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2932-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2932-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2932-3-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2932-2-0x00000000002E0000-0x00000000002E6000-memory.dmp

    Filesize

    24KB

  • memory/2932-14-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2932-16-0x00000000004E0000-0x00000000004EE000-memory.dmp

    Filesize

    56KB

  • memory/2932-29-0x00000000004E0000-0x00000000004EE000-memory.dmp

    Filesize

    56KB