Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    13-06-2024 02:54

General

  • Target

    2024-06-13_75c5171aa865369eb8c6d860074f4a0f_cryptolocker.exe

  • Size

    2.0MB

  • MD5

    75c5171aa865369eb8c6d860074f4a0f

  • SHA1

    eb815b9aa256f02037735b5efa52fd09780809a7

  • SHA256

    d7fdaad9f23ee00a78943348d53f3d56928ac5c03558ae09c085655ffa19f949

  • SHA512

    0ef2ec3b5387f62f27f5ca503543a8640c06bec9f19e322fa42dc9c75261fe678ee021b0471022c445865db2295510e74a50e96d6aa7f4d45859dd5a5c2d4ed2

  • SSDEEP

    49152:Z9FYSZ72CT32laA+iHAg9lVF1lVF1lVFkUEiiCX/:JjGzP

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 4 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_75c5171aa865369eb8c6d860074f4a0f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-13_75c5171aa865369eb8c6d860074f4a0f_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2.0MB

    MD5

    fc373e51596b2f66a3000a955e4c24eb

    SHA1

    5ea673ab3a04b201c085dde107c7caef8601875d

    SHA256

    e559821586b3690013ba46e049828afa62e3172646621481e2f576130427123b

    SHA512

    6f2887e1e36b27524f72b378778ae10ddd869e208d271acd4c441265f972c70a4f1aaf5a6a6f23ffe60bf3e59d128c9112abc4d91ab16a3975f073bcbb49fde0

  • memory/1432-24-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1432-25-0x0000000000500000-0x000000000063E000-memory.dmp

    Filesize

    1.2MB

  • memory/1432-16-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2016-1-0x0000000000500000-0x000000000063E000-memory.dmp

    Filesize

    1.2MB

  • memory/2016-0-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2016-2-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2016-3-0x0000000000490000-0x0000000000496000-memory.dmp

    Filesize

    24KB

  • memory/2016-23-0x0000000000500000-0x000000000063E000-memory.dmp

    Filesize

    1.2MB