Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2024, 03:24

General

  • Target

    2024-11-20_36458a18cf4eee57beaa7a615f585738_cryptolocker.exe

  • Size

    62KB

  • MD5

    36458a18cf4eee57beaa7a615f585738

  • SHA1

    24720cabf77f922dbae449741b6d6f025c2917ad

  • SHA256

    ddd4d58f63f346759a3006b36333bbf4e142e9498a8e8d88cac3af8cf097fda9

  • SHA512

    267e1a654d1f6da19cdd2f2bb54b92af58e57d5ccda481f6eaae7b09b2e43bd2e95666ec64139e7830559b4a177ffcd274b420bb1a5285ab7c106d7fa10a1427

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ36ucL:ZVxkGOtEvwDpjcaI

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 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-20_36458a18cf4eee57beaa7a615f585738_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-20_36458a18cf4eee57beaa7a615f585738_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2028
    • 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:1596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    62KB

    MD5

    dc9cc748b6ad3287c196c3d0e89664b4

    SHA1

    3d4015d9c25289b8f330389a104061cb80245332

    SHA256

    fa745640760834d34cd4c3828d0cea8a4c71f7af472163356fdd22b0ba21477e

    SHA512

    4911da8506ebda124c70c8b0e70fe3e3401ecfbc02e8f0776d76b06f66f8616da50a8c14bb5b670f0f8aa2c93befc2f316c56031f6965d79500af587b0b154b5

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1596-18-0x0000000000450000-0x0000000000490000-memory.dmp

    Filesize

    256KB

  • memory/1596-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/1596-26-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2028-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/2028-1-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/2028-2-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/2028-5-0x0000000002230000-0x0000000002236000-memory.dmp

    Filesize

    24KB

  • memory/2028-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB