Analysis

  • max time kernel
    94s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 07:03

General

  • Target

    2024-11-21_e233b1820b536880ae9f377db8a98b39_cryptolocker.exe

  • Size

    52KB

  • MD5

    e233b1820b536880ae9f377db8a98b39

  • SHA1

    faaf05495aec1ed46d2a04bbd352712197753d71

  • SHA256

    2af52cea3e2319e84211aa4da5eb70a9630081e21339a60805fc0a9ddf121f62

  • SHA512

    7a2d71d76db7d080010ac93911ba4818d888fd0268e820a2494fb190d9be3fdc607b0cf0ea3716d7664d3f3b1b8ff8ba373d142a8c24524265f27648c99b089a

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0ntG:vj+jsMQMOtEvwDpj5HczerLO04Bj

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\2024-11-21_e233b1820b536880ae9f377db8a98b39_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-21_e233b1820b536880ae9f377db8a98b39_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3148
    • 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:4996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    53KB

    MD5

    1b036130930c9592970f6d0c2c314131

    SHA1

    0e8a23f040bcd7edbcef073c02669cd9f1199603

    SHA256

    2f5c6b104d8d17035674da049f7a17f0d9a1d148b465bc221ecb08f82771b03e

    SHA512

    e670b2805961a6408c1e69cff1b3766121324fc1f99497bd76778d1f81161a43d04dd55fec169075909a34dc1b410b9c9311f4318c06b16fbf0fc55f8aa31e4d

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3148-0-0x0000000002140000-0x0000000002146000-memory.dmp

    Filesize

    24KB

  • memory/3148-1-0x0000000002140000-0x0000000002146000-memory.dmp

    Filesize

    24KB

  • memory/3148-2-0x0000000002060000-0x0000000002066000-memory.dmp

    Filesize

    24KB

  • memory/4996-17-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/4996-18-0x0000000000510000-0x0000000000516000-memory.dmp

    Filesize

    24KB