Analysis

  • max time kernel
    93s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/09/2024, 03:46

General

  • Target

    2024-09-27_b15c16d6acdfd59ff12f157c4ca4f78c_cryptolocker.exe

  • Size

    58KB

  • MD5

    b15c16d6acdfd59ff12f157c4ca4f78c

  • SHA1

    fd56dfba75eee00c7862a5732e409eda184cac5c

  • SHA256

    e3011ab2ccb839f975ddecb0bb5b218639412889ed58da3ac02f874adb3e6bd6

  • SHA512

    8e26e0f3e962f12659f7af52bfd0dd771afc6cbc0b0d340520d014ba3b2f66a6315fc14db5dd9ba5162ebac39f2727db16b52d2431ccfc75bbee562811944754

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMTZ:TCjsIOtEvwDpj5HE/OUHnSMW

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 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-27_b15c16d6acdfd59ff12f157c4ca4f78c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-27_b15c16d6acdfd59ff12f157c4ca4f78c_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2164
    • 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:3312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    58KB

    MD5

    3c34353c8b2637664f3a15b17c17f930

    SHA1

    9c28b27ec00cf1e01ea52558e5128efe13be4171

    SHA256

    3cba52447bf4089b79d76a20b7a386c1704ec3d396f594b328cef8a88a16d349

    SHA512

    60f9e30521b34ba404e76bb9fcc0813bb6a4b9a173c87c29c3e4e091b05292412285ab15f7a2457a0394a8b3404905d45e58dcb06c2cc2a6ded68a1ebd352fe2

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2164-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2164-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

    Filesize

    24KB

  • memory/2164-2-0x00000000005F0000-0x00000000005F6000-memory.dmp

    Filesize

    24KB

  • memory/2164-3-0x0000000000610000-0x0000000000616000-memory.dmp

    Filesize

    24KB

  • memory/2164-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/3312-19-0x0000000001F70000-0x0000000001F76000-memory.dmp

    Filesize

    24KB

  • memory/3312-25-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/3312-48-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB