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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    25/05/2024, 20:33

General

  • Target

    2024-05-25_9b33fb874c3fbea11a2cb0ff5b472e12_cryptolocker.exe

  • Size

    86KB

  • MD5

    9b33fb874c3fbea11a2cb0ff5b472e12

  • SHA1

    bcb2897f76a07d6d22ae917266589e14a46cf8dc

  • SHA256

    acfcba0f206e62be4b98f9042235581a4fee6408542119f5d59d96c5fa6d8a40

  • SHA512

    3fbc5b04fb0b5d46baeb423d196e08900cfdd2dd1c251d5ceb670d31ce9c587bae7dd718b07f3e3b64170e7ed5f9d0c9f0936468f721034c7967fffa18ba992e

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBlk:vCjsIOtEvwDpj5H9YvQd2i

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
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-25_9b33fb874c3fbea11a2cb0ff5b472e12_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-25_9b33fb874c3fbea11a2cb0ff5b472e12_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1872

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

    Filesize

    86KB

    MD5

    8227ef32e167e1ae9a20c384b8e204d1

    SHA1

    71d8be260336dc926c097765c1b4d8a7824c55ad

    SHA256

    718a3637954f982415b73179f711839f4274ab111ce0d4321bcf53f72d3f8ce5

    SHA512

    1f359dfef5d455d6bb4b57d97da2e696e4489fdb83d9b85b02474317638675d0a36e73a65fc00f7b246f22fd66d1bfaa14d4558531a1573b1c9d9d2024cd2260

  • memory/1872-15-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/1872-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2024-8-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2024-1-0x00000000003C0000-0x00000000003C6000-memory.dmp

    Filesize

    24KB

  • memory/2024-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB