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Analysis

  • max time kernel
    148s
  • max time network
    153s
  • 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, 14:36

General

  • Target

    2024-10-17_9ea703d4ece20f1176b272c46c4d3a27_cryptolocker.exe

  • Size

    50KB

  • MD5

    9ea703d4ece20f1176b272c46c4d3a27

  • SHA1

    b8731f9dc71c4c548d93b7f32faa35f0710413a5

  • SHA256

    9868645e4ca3563f0b6ffb2e3175fa0523236192fb5667110d4fdd8fd1257096

  • SHA512

    c1666576075dbe1c67da570e80d7b5d40142579a9b9a49f3174592c81b222e5c050d831adb564924da8c1e8e1641705b6ddaf59647ccffe374ceedd18ff34414

  • SSDEEP

    768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQ7suIlsw92KFXpQenhuTi:V6QFElP6n+gMQMOtEvwDpjeJQ7pojkRe

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-17_9ea703d4ece20f1176b272c46c4d3a27_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-17_9ea703d4ece20f1176b272c46c4d3a27_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4564

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    50KB

    MD5

    be0bf766fe3280c9d931c7f82af27588

    SHA1

    b579d011df71499c599f78d40efe1ac559eee5f2

    SHA256

    fe9f7b7064c7bca81a429b9fb398c41f87e7510b321c66d636f935fd87ebe81a

    SHA512

    0eab4ade143dc77caac450a1701e66303b76d852c0191264828727732aed81b7923fa85178a3a5e2ef0da3bbdf63bd0e9ae7d42a08761f09c0db817dfcb174c7

  • memory/2964-0-0x0000000000870000-0x0000000000876000-memory.dmp

    Filesize

    24KB

  • memory/2964-1-0x0000000000870000-0x0000000000876000-memory.dmp

    Filesize

    24KB

  • memory/2964-2-0x0000000002230000-0x0000000002236000-memory.dmp

    Filesize

    24KB

  • memory/4564-18-0x0000000000590000-0x0000000000596000-memory.dmp

    Filesize

    24KB

  • memory/4564-17-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB