Analysis

  • max time kernel
    0s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    10/01/2024, 06:03

General

  • Target

    2024-01-09_ef678a12fcf2b0f30b25dc3a74cfcd9b_cryptolocker.exe

  • Size

    72KB

  • MD5

    ef678a12fcf2b0f30b25dc3a74cfcd9b

  • SHA1

    81de6b93ad77f3b858aac83326b40b089a528a2b

  • SHA256

    cbece3b3d9a800bb9ec19025a85549e70d0a788e8d78c263544f754f5c7eec1c

  • SHA512

    e3bd05163b2f70d238f48df8da9fba7c5702b88496c0d28f6e7a6dc7311a2590fd248195118d8c6f6f9bd42ee9ebbe0105e28597fe54d7e41392edac9208d162

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KK:ZVxkGOtEvwDpjcaZ

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\misid.exe
    "C:\Users\Admin\AppData\Local\Temp\misid.exe"
    1⤵
    • Executes dropped EXE
    PID:3060
  • C:\Users\Admin\AppData\Local\Temp\2024-01-09_ef678a12fcf2b0f30b25dc3a74cfcd9b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-09_ef678a12fcf2b0f30b25dc3a74cfcd9b_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2156

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          23KB

          MD5

          2450279ba05260cc87f2f85bb18234d2

          SHA1

          fc335aca83e94b56bbbb2f6649a761f94dbe5b74

          SHA256

          5a225c48111f6fc69c5b16746b8a2f4fc324aa15f3e88651911f166dacde27ce

          SHA512

          f4a95aee3e5b1a8dff5509139a602909409ab7fe5d5a330a63348cd6ec380ac5a7f914feb4bb65b416588225a4a394b3376e06d564f45a2fd8d4f83ea24b86e6

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

          Filesize

          9KB

          MD5

          a9b462a2fb7403313f4dfbf6c2ed2fee

          SHA1

          ed276ab9b46b3521c77a53ea2de9d3fe2c0afb30

          SHA256

          a5f055edb10e76f1ff87cbb47cb794963996518a3e767ccc4fd5607a275de193

          SHA512

          10dc6483049206684ebe233c4a91b0ea64502180e8a09c56a8e69e66ac41ec759318980ce7f90ed137c8cce0ade901cec8fd5a3ddd53d69aa64427ae6d14846f

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

          Filesize

          54KB

          MD5

          7959b4a01963bb045debd8fa5391f3a6

          SHA1

          7a91ab261811bec72a025ea027860bf884743f98

          SHA256

          ed348dbf2e61f4b58ae99235b1d5f0798585d2466a5fb86245bd165e76d0cfab

          SHA512

          f378386458afb00caaf3edcec01116760b09ee2456647fc7a2d4d1d7ddea52cceff140e28090272f02974ce9e18ee51fff005a42eadcc88ebd13f2549dd0a495

        • memory/2156-9-0x00000000004E0000-0x00000000004E6000-memory.dmp

          Filesize

          24KB

        • memory/2156-8-0x00000000003B0000-0x00000000003F0000-memory.dmp

          Filesize

          256KB

        • memory/2156-1-0x00000000020B0000-0x00000000020B6000-memory.dmp

          Filesize

          24KB

        • memory/2156-0-0x00000000004E0000-0x00000000004E6000-memory.dmp

          Filesize

          24KB

        • memory/3060-23-0x00000000001D0000-0x00000000001D6000-memory.dmp

          Filesize

          24KB

        • memory/3060-16-0x0000000000210000-0x0000000000216000-memory.dmp

          Filesize

          24KB