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Analysis

  • max time kernel
    143s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 02:41

General

  • Target

    2024-08-11_918a8f61b6c7a341d2eda666ff1354bd_cryptolocker.exe

  • Size

    73KB

  • MD5

    918a8f61b6c7a341d2eda666ff1354bd

  • SHA1

    63c58660ca1f721beeb4863a043652fe83e5a36d

  • SHA256

    0e552bfd74ef7ede0bc0ff361a9d943c3e35eaa2e72d17b8b5af5f053988739a

  • SHA512

    5e6876b7514fadb59a3fbd74234ff31db2d1b0c0959f4b99f141614b8c2b43d3d79ea8528d741fe5f9f2a08006884bbb58edc14f540595d2c813527a60955e9f

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/Rc:vj+jsMQMOtEvwDpj5HZYTjipvF24pW

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\2024-08-11_918a8f61b6c7a341d2eda666ff1354bd_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-11_918a8f61b6c7a341d2eda666ff1354bd_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3236
    • 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:936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    73KB

    MD5

    9eab99cfbd8bf3b3095b9fc32eb10551

    SHA1

    25998c7c6e7946299c4ef68a3100946ee9390380

    SHA256

    249da989b0e712a3a637a8c1c23f8b431da13f0feeb57da535e9bcc2cee39c01

    SHA512

    e4b0de9aa0699e600b851fce2fe96c24d6aa7487ddde2796c9acd504feae9b72ea2c72ddcc9dba134839a87e946b717dd98cfbbe6335aad0a060a4b99e613b04

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/936-17-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/936-23-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/3236-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/3236-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/3236-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB