Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/09/2024, 06:22

General

  • Target

    2024-09-07_023447a18c4eaae56708702eaed83532_cryptolocker.exe

  • Size

    72KB

  • MD5

    023447a18c4eaae56708702eaed83532

  • SHA1

    32f4a139696750af6f6fc1c6f7bb68b0f7e6fff4

  • SHA256

    8b8e66ec1ae561ec290213f358603e0bfe7df7c983c13507a5c298b373a64448

  • SHA512

    671e2571753186289cc441f711698aea29c982e6ac5f403d506f0ec1f51759a06104a37d94dd95204f6d18f781c056b55ed3fdb8204b8381043f10a353430a9b

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/RQ:vj+jsMQMOtEvwDpj5HZYTjipvF24py

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\2024-09-07_023447a18c4eaae56708702eaed83532_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-07_023447a18c4eaae56708702eaed83532_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1128
    • 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:5004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    72KB

    MD5

    c9cb71dcbc24fd6245150f38a179dbd0

    SHA1

    7c7af95872ff754c3fdd3331515bbefb1ceddecb

    SHA256

    74ae02ca2c94d8c1d8a8a107d233fe99c7587587771edd70229b1a4bf54fecea

    SHA512

    8199e52439d766fc878afb09f23e6825952757d2f174e112316e53137e6b1a41198c014ecd1422c21d344040ad9c096db3ee86c0ae32eb7396d69ed334302a42

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1128-0-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/1128-1-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/1128-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

    Filesize

    24KB

  • memory/5004-17-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB