Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    01-09-2024 06:12

General

  • Target

    2024-09-01_de3a5704219e968d102913c016aac13c_cryptolocker.exe

  • Size

    35KB

  • MD5

    de3a5704219e968d102913c016aac13c

  • SHA1

    0671cbcef283d860d75283549c821d13dd88105c

  • SHA256

    e480244a95bf04d389b65835948a16c4c836d24d991117d95eee0fd064abb050

  • SHA512

    8a675b53892a01ee40f0391c610fe6a5bbd78ba8323cd41df438039a000eb718ac63785bc3ea026646c955082a2af0d3c9db483a52840e8b41604ba8483acc7a

  • SSDEEP

    384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXvJF3SX8:bG74zYcgT/Ekd0ryfjkbCs

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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-01_de3a5704219e968d102913c016aac13c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-01_de3a5704219e968d102913c016aac13c_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    35KB

    MD5

    0a546e5ff0eba253a48f35bdf40406e2

    SHA1

    b219fb5c9c18287b3af21a9ce42fafa36cf6625f

    SHA256

    5c205a9221fb00bc27a3ed3dafa3fc75320623bd180466169ed1ee90a5b0ae44

    SHA512

    4f2879d8f9c35f6d17e45551b7133200992a24efafb44c651c43b7c0dc4488f32bbc2f26a5708f2927f8d3f0700b5eab9a86ce3f3f5728c08cfb2bbbf0c1cd6e

  • memory/1968-0-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/1968-1-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

    Filesize

    24KB

  • memory/1968-9-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

    Filesize

    24KB

  • memory/1968-2-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

    Filesize

    24KB

  • memory/1968-15-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/2856-17-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/2856-24-0x00000000004B0000-0x00000000004B6000-memory.dmp

    Filesize

    24KB

  • memory/2856-25-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB