Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 19:17

General

  • Target

    20240521c24f2116d42a9e3300512dcf163fb0c5cryptolocker.exe

  • Size

    44KB

  • MD5

    c24f2116d42a9e3300512dcf163fb0c5

  • SHA1

    c0d5bcad9a7c1a620860841aeb567f61f39cc884

  • SHA256

    bf703cca141eca33bb727f7550bf64df3c8546861f8145a8bcdc84eaecf680fc

  • SHA512

    262e3676b4ec9e6301d8537f23c480df9dd5d246b8595d67c7d821abf1c47f2d5d3129eb670b3ff2aef2908521e1679293ad4c5579353f8228116efbccd15c78

  • SSDEEP

    384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jo0nrlwfjDUpEui0U3Nf+b:bm74zYcgT/Ekn0ryfjLur

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\20240521c24f2116d42a9e3300512dcf163fb0c5cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\20240521c24f2116d42a9e3300512dcf163fb0c5cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2164
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    44KB

    MD5

    47d5a026c133aa85a95b1d68c84ac2d8

    SHA1

    14c47b2b5e4362d7d1a3053d3a2b99e83c27a7fd

    SHA256

    2bcbe2a1daf3800011539428665c0287641820ab16bc6110501c372a6a7daec3

    SHA512

    936a49f1034bc1d0c453f4a0d8fb76f0c6d0aa5963685ad809fbedb8ebc805cc90e8e0339651d11df18c33568ff6455c87b20a9be3612f349e844f9d6dcf3d0e

  • memory/2164-0-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/2164-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/2164-2-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/2164-9-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/2164-15-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/2612-16-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/2612-18-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2612-25-0x00000000002A0000-0x00000000002A6000-memory.dmp

    Filesize

    24KB

  • memory/2612-26-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB