Analysis

  • max time kernel
    93s
  • max time network
    138s
  • 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, 10:41

General

  • Target

    2024-11-21_7296d71c8ac6e40810f1e0c8e398f0f7_cryptolocker.exe

  • Size

    52KB

  • MD5

    7296d71c8ac6e40810f1e0c8e398f0f7

  • SHA1

    8583f886faba783d8c83c8a75ca59dcb6670ca95

  • SHA256

    93da0f0855eea11fdca1e5af3ad98b08540922cbd6b290ddea7e09ae85b25ccd

  • SHA512

    99502bedab43192680db23c5a53c98c4ca14fb415da9fe1af64401a41f8e66fa4a920ed322bcb8de185f459654825337f14d1a84d875a5e0af80dcc7b38120b6

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0ns:vj+jsMQMOtEvwDpj5HczerLO04B/

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 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-21_7296d71c8ac6e40810f1e0c8e398f0f7_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-21_7296d71c8ac6e40810f1e0c8e398f0f7_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1016
    • 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:920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    52KB

    MD5

    bcc6ade3a5c2039ff65037d71fdc4d69

    SHA1

    d5689465d1737debbb245056c0cc6029c4907266

    SHA256

    c69cae9ffc18d7cb5ed6051578098e7fe90bbcc22a3da9504797c3e82c84170f

    SHA512

    51df9f0f734f982baf7671cc4a314143519a9fb50adcccee70f88bcb4ea6210ac969a86df25ac4553ffda85baf83b377202d4ce84b4bf919a081fc96d6a1635f

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/920-17-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/920-18-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/1016-0-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/1016-1-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/1016-2-0x0000000002230000-0x0000000002236000-memory.dmp

    Filesize

    24KB