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Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 14:00

General

  • Target

    2024-10-12_6c42d6f74058b021cfaf5b5097e28a10_cryptolocker.exe

  • Size

    63KB

  • MD5

    6c42d6f74058b021cfaf5b5097e28a10

  • SHA1

    2f9f44d710bcc69fa1b3c52becfb90a8f36217d6

  • SHA256

    d133aea005ec0ca77a3a7fd1e62d32649a6a9d4e4cb902a5a7aa2821d42e5c07

  • SHA512

    a7cc063c263dc4b4703a9abeaad09f5013b7dee5b1985272fb48b1fd72d85155551453ed0707b2314cae3c83ad0281759657368799b1b4e9eec1f3718aa8b985

  • SSDEEP

    768:3Uz7yVEhs9+Hs1SQtOOtEvwDpjO9+4hdCY8EQMjpi/Wpi3B3URiLqCyLuAx8XG9P:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxWC

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\2024-10-12_6c42d6f74058b021cfaf5b5097e28a10_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-12_6c42d6f74058b021cfaf5b5097e28a10_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3928
    • 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:3756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    63KB

    MD5

    e5a52cc7f67dcdb906627f78cc1b82ae

    SHA1

    cc080ef00840389fba26d560d4a3ac1803b9c7af

    SHA256

    41d8b2a908a7f567fc5e2166044f259565e1edcd2490773fbc90317bdb2ed834

    SHA512

    a0b5d90b64f0278460fc46425bd1c17da27ffa46e85c6420ca322cf3ced53f2136aad24da014f070152ff0ddef033aaa133dae3208d25fa9ca5dea967c432967

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3756-19-0x00000000004B0000-0x00000000004B6000-memory.dmp

    Filesize

    24KB

  • memory/3756-25-0x0000000000490000-0x0000000000496000-memory.dmp

    Filesize

    24KB

  • memory/3756-48-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/3928-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/3928-1-0x0000000002280000-0x0000000002286000-memory.dmp

    Filesize

    24KB

  • memory/3928-2-0x0000000002280000-0x0000000002286000-memory.dmp

    Filesize

    24KB

  • memory/3928-3-0x00000000021A0000-0x00000000021A6000-memory.dmp

    Filesize

    24KB

  • memory/3928-17-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB