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
    12-10-2024 06:37

General

  • Target

    2024-10-12_297f642eac82dff81a103a5742edd4d5_cryptolocker.exe

  • Size

    40KB

  • MD5

    297f642eac82dff81a103a5742edd4d5

  • SHA1

    74ca0bf0ce7d48f2a6e8d12cbcb7b8736d130542

  • SHA256

    e1f79bad604e9693283bf27e5b7d68c2ff540c7b43f17c8a09c91c4786a13eb2

  • SHA512

    436544b786c49c4ecf6d4236cf874c714e5f9d96101e1f9995e6fea9f8ad1e586b9c705b07c52c3d8a0a2ca9ce5e4a01380e45d4eb539319f16e81ec2d47aab2

  • SSDEEP

    768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4qY:fT+hsMQMOtEvwDpjoIHH

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\2024-10-12_297f642eac82dff81a103a5742edd4d5_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-12_297f642eac82dff81a103a5742edd4d5_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:832
    • 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:2728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    41KB

    MD5

    08fe12ff39971214e962d2923491aeb1

    SHA1

    d615646d434ae09dc476a5dd7921c5bde4f9ce4f

    SHA256

    204662acbedd14867f72f04e31125a2c8387997ab60b9d3c377f12e06f35a937

    SHA512

    334fa2d1031a15433351713056cb90556a674ea73a10497e184186af173076fad96aa70da014a8917849f608c648789d006b8d2a6fa291005e07fc628caea285

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/832-0-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/832-1-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/832-2-0x0000000000640000-0x0000000000646000-memory.dmp

    Filesize

    24KB

  • memory/2728-17-0x0000000001F70000-0x0000000001F76000-memory.dmp

    Filesize

    24KB

  • memory/2728-23-0x0000000001F50000-0x0000000001F56000-memory.dmp

    Filesize

    24KB