Analysis

  • max time kernel
    135s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-11-2024 06:29

General

  • Target

    2024-11-02_c5a01fd34ca5d14ee65bb7297d2aa205_cryptolocker.exe

  • Size

    28KB

  • MD5

    c5a01fd34ca5d14ee65bb7297d2aa205

  • SHA1

    16d26181b4c640fb29d1ee39711dedee2ad7d140

  • SHA256

    fa3abfe685f0b1c7f88dd2cb0f319f05fa8be4699ba6af1cd1918badb6d3528e

  • SHA512

    9b214a558cdf26c7f905ece8668dfb2909636a4b094918b70a55e30cf587bd053c2b3b49d9ab5dcd5fb47e5df2ed21b805725a50221103179b6cebd10a8a443c

  • SSDEEP

    768:IRFBgME4kmW6FtnKn7DI6tOOtEvwDpjYx:SgME4kJ6D0MOtEvwDpjYx

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\2024-11-02_c5a01fd34ca5d14ee65bb7297d2aa205_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-02_c5a01fd34ca5d14ee65bb7297d2aa205_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:324
    • 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:4556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    28KB

    MD5

    4d136f9524a9b08bbe13dc2e711dbfef

    SHA1

    ae55df4bb034f6deeebfd5f1a47d37912d8fe690

    SHA256

    b9d1831a6b75e1e5f549da3090e6e5a17db435b1c153a15875aabc251d3d3984

    SHA512

    280f6e43fe71b95df9d880bbfc71dbdb3717426212198c1b927af814df6e6575ac4ed0eceb7e3b6085ce668c61b25f6a5875c69dda64c695f18d8b4c6458bc0f

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/324-0-0x0000000000500000-0x0000000000514000-memory.dmp

    Filesize

    80KB

  • memory/324-1-0x00000000007C0000-0x00000000007C6000-memory.dmp

    Filesize

    24KB

  • memory/324-2-0x00000000007C0000-0x00000000007C6000-memory.dmp

    Filesize

    24KB

  • memory/324-3-0x00000000007E0000-0x00000000007E6000-memory.dmp

    Filesize

    24KB

  • memory/324-18-0x0000000000500000-0x0000000000514000-memory.dmp

    Filesize

    80KB

  • memory/4556-21-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/4556-20-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4556-50-0x0000000000500000-0x0000000000514000-memory.dmp

    Filesize

    80KB