Analysis

  • max time kernel
    31s
  • max time network
    41s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 07:30

Errors

Reason
Machine shutdown

General

  • Target

    2024-09-14_2d91a31f49b87c11f17c9191c7881719_cryptolocker.exe

  • Size

    73KB

  • MD5

    2d91a31f49b87c11f17c9191c7881719

  • SHA1

    ec6aca57bcc24546ce4a13c6d890fb664fd60bb7

  • SHA256

    0a5a401aed5a93404ab4595913d6c2ae9b214fbbbeba7ea9d61e8d609c1791cd

  • SHA512

    c664a1c68f8f99200a1c519da6a26bb078bde3c9d04f85bf66e1fbbd335a76a7b2a2eb09d2431154caf602f1f12bea79966eda4cee15135ace6a953542647966

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/Ra:vj+jsMQMOtEvwDpj5HZYTjipvF24f6

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 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).

  • 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.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-14_2d91a31f49b87c11f17c9191c7881719_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-14_2d91a31f49b87c11f17c9191c7881719_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1484
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:4436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    73KB

    MD5

    425ed48ec3589000c2a03d964bc5a423

    SHA1

    bf75405f12b456d1aa993026cc1a5cedc90ef6ca

    SHA256

    d89ed751778ee100e4638d0f9e31f4b718eae8061eed075028bec1043cd479d1

    SHA512

    395916f1cd4efd35384558763193722f723c72712fc28e8ef7c07526a58142acfd1018669f159bf70bd8a70c969bc9f771c46b7ef4d267c5192ad9437429261c

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1484-0-0x0000000002280000-0x0000000002286000-memory.dmp

    Filesize

    24KB

  • memory/1484-1-0x0000000002280000-0x0000000002286000-memory.dmp

    Filesize

    24KB

  • memory/1484-2-0x0000000002180000-0x0000000002186000-memory.dmp

    Filesize

    24KB

  • memory/4436-17-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4436-18-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB