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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
    28/01/2024, 04:39

General

  • Target

    2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe

  • Size

    73KB

  • MD5

    7cc2a6cc196845b4f477f4aedb0f0d3e

  • SHA1

    a5dee724b28a7b18f23a20bdc218ae3e44b3971a

  • SHA256

    43397bb4076e8a5d28d9abd4002f5fd364d1aedd7891e4083a85d85eacb2565e

  • SHA512

    e0eb932878400d5c8abec671d4b78b847b0d8d7a90c48c84757e8b7529267a05f83a3e08b3ca351622616a11a8fbd6198b6928c187d8515b780a41f97544f230

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KQ:ZVxkGOtEvwDpjcaH

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 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\2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2816
    • 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

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

    Filesize

    74KB

    MD5

    5b3eb1f64f4a739e187418fe06358c18

    SHA1

    cf5bafa053ffa2265278721fc276d668a4a24df4

    SHA256

    4f83cf82dd4e26329a649457ba1afe069fcb90729801c23f8377d4ef990cb476

    SHA512

    114935d1af117e82ae98cd663d244b9ca7d2a9969539ec4a04d58a53b60875c08cef70f9615e6ebc743471d76e3668c2e7afb7ced786b0a4564c8642962998f9

  • memory/2816-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2816-2-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2816-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/3008-22-0x00000000003D0000-0x00000000003D6000-memory.dmp

    Filesize

    24KB

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

    Filesize

    24KB