Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    07-08-2024 20:25

General

  • Target

    2024-08-07_bfb01b37a9a926cb9c7332b86726d345_cryptolocker.exe

  • Size

    52KB

  • MD5

    bfb01b37a9a926cb9c7332b86726d345

  • SHA1

    326573020935d8f4cd968c3fd980317d2722e1c4

  • SHA256

    3eedcef5e262dca93aed1752a4107b064337ddc842917dfe26c28d689f6a6a56

  • SHA512

    a79c7e23f6a9ebe792f2e8a3c727088d79271c51c02979d11497bca17c4b591162880b096e3828e9b2b85cbf4e926ea3bc296cc11c2a3c14ced2d691b44b36ec

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0ntgH:vj+jsMQMOtEvwDpj5HczerLO04BZH

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\2024-08-07_bfb01b37a9a926cb9c7332b86726d345_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-07_bfb01b37a9a926cb9c7332b86726d345_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    52KB

    MD5

    0eca32a97acedae0b9e3e1099cf4efc8

    SHA1

    365bf3e38307cceadf278af6d03694590ad90d6a

    SHA256

    0ffced07b134b571111427a13b044f99c65e7975f41b980ffcf18654ff637f65

    SHA512

    284783a6a17bf83f8b81f1a3ac7b880035127710e5b92b678c2004bebce6a35a7d51f82ea4cbc496f1fa420ad61b6bdf908aa6770d7b0dde6dc846a31718d312

  • memory/316-22-0x0000000000420000-0x0000000000426000-memory.dmp

    Filesize

    24KB

  • memory/316-15-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/1956-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1956-1-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/1956-8-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB