Analysis

  • max time kernel
    136s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/10/2024, 17:37

General

  • Target

    2024-10-17_fba66e97c5fa026e2b1c602ddb885661_cryptolocker.exe

  • Size

    59KB

  • MD5

    fba66e97c5fa026e2b1c602ddb885661

  • SHA1

    912bcbfd62d28ad387a8666f5ae4e2bf83460467

  • SHA256

    6a041ed364b348f131a306df760719777d4a97c3806d81ffb387f39666f8bd53

  • SHA512

    6db3ad5ea3b53b6ed97a0331a5d07fe87ebc8a97d93fe64bc5d4087c47c49795039efac3658fafa63c6082407f6dd6b90fad388d8bef583b140ac2d07b9f3062

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EM3:TCjsIOtEvwDpj5HE/OUHnSMQ

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\2024-10-17_fba66e97c5fa026e2b1c602ddb885661_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-17_fba66e97c5fa026e2b1c602ddb885661_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2780
    • 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:1468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    60KB

    MD5

    69b916b90a195c6708cd6728186c4619

    SHA1

    59d095b2a34fdc7fb40078496878caecf97e6eaa

    SHA256

    28f3427c4a01898906a6ccc79242f18f20c47c9a8146580f49ad9a3d3cd36af9

    SHA512

    e9564e399f005af61baaf5735ca22415771ef31b10c7385b3f3da1e0305098da363c4d82a279bcbe50cbab4460a6550338dc47cf0ad46f20e4f4cc72d7409bb7

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1468-20-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/1468-19-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/1468-48-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2780-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2780-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2780-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2780-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/2780-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB