Analysis

  • max time kernel
    140s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 03:29

General

  • Target

    2024-09-19_5f9908eafe3657e3686554e91b674778_cryptolocker.exe

  • Size

    72KB

  • MD5

    5f9908eafe3657e3686554e91b674778

  • SHA1

    01bdbccfcd2181f6dc6c0c2f1384b9a3ec174ecf

  • SHA256

    295a5d48a9b47611ebed091c48556cbde56e0763763d263a493997187ea28fff

  • SHA512

    6d4d6833dc3f967aa0e40663cbc1069fddcafeba684547d73eed883ba45934a1ee130a2e380afddf793c7d4086e6ef825de0883635984243d28cb35961a8081e

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/RZ:vj+jsMQMOtEvwDpj5HZYTjipvF24B

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\2024-09-19_5f9908eafe3657e3686554e91b674778_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_5f9908eafe3657e3686554e91b674778_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4200
    • 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:4704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    72KB

    MD5

    ab3876ce728b76480677e191e05032c1

    SHA1

    1f5eeb38230153c2c921f83ef5600ae1faddd674

    SHA256

    ffd3bb569579e77e90abfdb63e4b49d0af0be25ef63bd5c500940f00c257d42c

    SHA512

    8ca5e0262f88845c66d2e4fd4b023110d7385bf9c97bd22a5b257ab526f7b794f9543c099f135e63c2ad841ce11231e9633ed00f7bbedd7ddbdd06cc907b45fb

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/4200-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4200-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4200-3-0x0000000002240000-0x0000000002246000-memory.dmp

    Filesize

    24KB

  • memory/4704-22-0x0000000002150000-0x0000000002156000-memory.dmp

    Filesize

    24KB

  • memory/4704-17-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB