Analysis

  • max time kernel
    95s
  • max time network
    141s
  • 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 07:26

General

  • Target

    2024-11-21_2127291ff893f9572a3eda33ed9fcba2_cryptolocker.exe

  • Size

    75KB

  • MD5

    2127291ff893f9572a3eda33ed9fcba2

  • SHA1

    8978c18c9230e700f9ae7177d9eb48fed22fa7e7

  • SHA256

    6d0550f22fb4b3ba123527922a8caca73b78a7ec0c6b668144fbf14787526f99

  • SHA512

    c7fe9a1ed419a7f3531e3c892cd37d28c90ae3e3902e8b8bc51232be0287bb5f1514e8aef574c0f8013b3fa0f482ff42b816945b66cd46a2bf34feaf275f2691

  • SSDEEP

    768:9UQz7yVEhs9+4T/1bytOOtEvwDpjLXOQ69zbjlAAX5e9zMy:9Uj+AIMOtEvwDpjLizbR9XwzP

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\2024-11-21_2127291ff893f9572a3eda33ed9fcba2_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-21_2127291ff893f9572a3eda33ed9fcba2_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4264
    • 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:4748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    75KB

    MD5

    bc02c83e3440d7abe276e65f231eb09b

    SHA1

    2c5edb9c72a6e6acabd15f701f717be8dfedcee6

    SHA256

    3af3a92b4d96a89800dfaf476333822a4e74f86005e310db697d8aa8a25c9529

    SHA512

    e82d5497bf2e636baa416b2ebf49ee62079724ccf829bbe077942bd03a9e7f9e1f19ab00e334c3dafc4af8bb81fb2040e32699fb5a7690c08ff17082eae5241f

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/4264-0-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/4264-1-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/4264-2-0x0000000000550000-0x0000000000556000-memory.dmp

    Filesize

    24KB

  • memory/4748-18-0x0000000002080000-0x0000000002086000-memory.dmp

    Filesize

    24KB

  • memory/4748-17-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB