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Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/05/2024, 18:59

General

  • Target

    2024052109735adc0b9ca4d2ebcbd7816c3eeaf7cryptolocker.exe

  • Size

    35KB

  • MD5

    09735adc0b9ca4d2ebcbd7816c3eeaf7

  • SHA1

    e2a1e5661563686f17f39ff30ac8a7e09b6995a5

  • SHA256

    5b3b8c208ae0fb0776dc9abbbb7492b1cf729395aa0bdabe4b0232c13b652f71

  • SHA512

    1207f0e93d9dc63d0cceb5ce0ceb78e6a38b9c66ed43530422b0cb676bd150538797d48a728f8692d82c0ab15280f0b98f95b44c2f77487345d5c4671d478519

  • SSDEEP

    384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunIVpeNs23mAA6lxT:bA74zYcgT/Ekd0ryfjPIunqpeNswm6T

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024052109735adc0b9ca4d2ebcbd7816c3eeaf7cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024052109735adc0b9ca4d2ebcbd7816c3eeaf7cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3292
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:2372

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    35KB

    MD5

    f66e50a884313259140bf8694a583cfb

    SHA1

    9e6f65bcb4b0f745c61935ad5ccaa5493b21b9fe

    SHA256

    4877ca38a4990675a9d45e4d8a8ad217c93dff299ded0a456d13bd0e924b0ab0

    SHA512

    2846303560aca4773cf695beff6df2d22476fda935fd51b4eca39790d54a47d94ca9c6d82cef329602c35da5d8ccbcd4c84171aaa3a465524917a0f38ed0de07

  • memory/2372-23-0x0000000002150000-0x0000000002156000-memory.dmp

    Filesize

    24KB

  • memory/2372-17-0x0000000002300000-0x0000000002306000-memory.dmp

    Filesize

    24KB

  • memory/3292-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

    Filesize

    24KB

  • memory/3292-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

    Filesize

    24KB

  • memory/3292-2-0x0000000003150000-0x0000000003156000-memory.dmp

    Filesize

    24KB