Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    13-06-2024 03:31

General

  • Target

    2024-06-13_4568ba52fc5b80a78838340ba159a9a1_cryptolocker.exe

  • Size

    73KB

  • MD5

    4568ba52fc5b80a78838340ba159a9a1

  • SHA1

    b757e84736abfbd6a4ffe3878e47e5230767227b

  • SHA256

    4cdab9b47b6dbe7666f72b846dc067ad04e53688b9d0c144bab5d05f5cb0b5c3

  • SHA512

    54de3e88e3c02d4dd715acc3b996fb7c6cc4a4b6f752ff45ab33d1322d01e736ef9b46b6adb4ab1538c743fbde6d1d392a2eea49a847807c75710eeddc92367b

  • SSDEEP

    768:9UQz7yVEhs9+4T/1bytOOtEvwDpjLXOQ69zbjlAAX5e9zD:9Uj+AIMOtEvwDpjLizbR9XwzD

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 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\2024-06-13_4568ba52fc5b80a78838340ba159a9a1_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-13_4568ba52fc5b80a78838340ba159a9a1_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:3008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    74KB

    MD5

    d3a87c075cb24a008aa0095906dcc306

    SHA1

    d3451b90efca1b2a91ac834352cd3064606f8c8e

    SHA256

    0cc35e17ddb65d239339961b2b5ed5ceb98875e498a15886587a2e22dfdde602

    SHA512

    48a18f4c8b7215c02f101bd89df529068f5f700c450e682ecfe29f6ebc111e2dc0e9d74efaa13141658c7598b785a48f0b414a9afe45288fa455bd323ab06d32

  • memory/1276-1-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/1276-0-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB

  • memory/1276-8-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB

  • memory/3008-22-0x0000000000490000-0x0000000000496000-memory.dmp

    Filesize

    24KB

  • memory/3008-15-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB