Analysis

  • max time kernel
    94s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 05:31

General

  • Target

    2024-09-19_9fc5812b9e569d8880a5b598fe329e56_cryptolocker.exe

  • Size

    41KB

  • MD5

    9fc5812b9e569d8880a5b598fe329e56

  • SHA1

    506c920ba3f91fe860bdb0a196e6d952d0479598

  • SHA256

    262d0af8a62a7fedf4dab745885f30aa289aa45d100f6e372f220d72110cb33c

  • SHA512

    60d68b69549834b3ff417cf4ad861457cba3b0246a756d2b73e91a405abc0afd27016fdd82f1e7a74851e30dd6c9fba8fc1c8059360164fdc8c04fabc0cc1fe3

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDb7x0:ZzFbxmLPWQMOtEvwDpjLeJAsKcb7u

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 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-19_9fc5812b9e569d8880a5b598fe329e56_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_9fc5812b9e569d8880a5b598fe329e56_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4208
    • 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:4004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    42KB

    MD5

    9920f7b82e2f473b67276097bea75ad7

    SHA1

    3082c0c7e75ff137025d75a1880a356691c0d2f1

    SHA256

    13dffe1c5ac5103367bcd6ef7c2857e28f307f2ae0f92ebbfcadc7cd0fc7ab81

    SHA512

    2793dc14f3fdbe6ae9b7e1596f6105191e51dc25f8179c556f5e26fda830d84516a8ee04cae938b2273109c9c7b98aaf5d94c94f1df4580db26273969148b844

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/4004-18-0x0000000000440000-0x0000000000480000-memory.dmp

    Filesize

    256KB

  • memory/4004-26-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/4004-20-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/4208-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/4208-1-0x0000000002180000-0x0000000002186000-memory.dmp

    Filesize

    24KB

  • memory/4208-2-0x0000000002180000-0x0000000002186000-memory.dmp

    Filesize

    24KB

  • memory/4208-3-0x00000000021B0000-0x00000000021B6000-memory.dmp

    Filesize

    24KB

  • memory/4208-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB