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Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    23/01/2024, 06:31

General

  • Target

    2024-01-23_a00b94058765e8563bace1d3546a470e_cryptolocker.exe

  • Size

    45KB

  • MD5

    a00b94058765e8563bace1d3546a470e

  • SHA1

    af31adf999e2cea3e83b1f5a747fde57d9c91219

  • SHA256

    19cbf186adafecbb1ce13f1d954753c5cbd16c310135726c009af62622aa3bec

  • SHA512

    6183bcd50ee558983fe3fb81f1272e8b7c55d6ce842387d2708399e2e2b16ebed2b9f53d08c7a2031bde16e5389d58c02c868f22f64398741d93799e754dd91a

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr46xdUU8:vj+jsMQMOtEvwDpj5Hczer5iP

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\2024-01-23_a00b94058765e8563bace1d3546a470e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-23_a00b94058765e8563bace1d3546a470e_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    45KB

    MD5

    ab3dd133d1af4de7784786a1edda0dc0

    SHA1

    b7636cbc489d9619daa9fe7b925ffc43e61081ae

    SHA256

    489474df5173fb3146b159db13c18565a1de302ad3ce8d0afd9a4b8fb4bc9644

    SHA512

    a1a04fd6b55126268adf71ba62cc45805e936faa5ac74500cd1aff38793b716139c457a63633d22a1dde62ce4ec7b42974107b0658212ca2d4e91310c5e752f5

  • memory/1212-16-0x0000000000450000-0x0000000000456000-memory.dmp

    Filesize

    24KB

  • memory/1212-15-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2288-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2288-1-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/2288-3-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB