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Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    11/01/2024, 05:54

General

  • Target

    2024-01-10_9f5c17b3ecb43ed5bfc31c23d87236a4_cryptolocker.exe

  • Size

    46KB

  • MD5

    9f5c17b3ecb43ed5bfc31c23d87236a4

  • SHA1

    840a5ba15e5b20fce9f11f2c1f49e81be71622f1

  • SHA256

    c013abdac040232e8c320f5800003f43a393a255da7f37ceb494a811259d78fe

  • SHA512

    d91754bfccfaa3a7cf97cfb707fd5e9d758f068db53801bdcdde83c2521146809da7d8e26fe0e5e507abeaeb087a12fc101521507d3f7cc35e5e59251b771605

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3wwsR:X6QFElP6n+gJQMOtEvwDpjBZ

Score
7/10

Malware Config

Signatures

  • 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\2024-01-10_9f5c17b3ecb43ed5bfc31c23d87236a4_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-10_9f5c17b3ecb43ed5bfc31c23d87236a4_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2156

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2156-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2156-15-0x0000000000210000-0x0000000000216000-memory.dmp

    Filesize

    24KB

  • memory/2656-8-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2656-1-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/2656-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB