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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/07/2024, 16:33

General

  • Target

    2024-07-05_97dfe0a41b574f7f42746ee71b8e892e_cryptolocker.exe

  • Size

    84KB

  • MD5

    97dfe0a41b574f7f42746ee71b8e892e

  • SHA1

    c3573cad0bba096e2093906b77351bdbeceeb20b

  • SHA256

    0ffa8304769a74b335484df0eebf2c73f153755fcc6abbe00170eb6423cf392a

  • SHA512

    a896a87e2aa2b00d2a7f7b908169cf44c79a85990013408c76c92bb66689284f94be2177a0ca476d25595a858339da982e6b7b9555e3052ee2fef89257a89fe9

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMrCS:TCjsIOtEvwDpj5HE/OUHnSMb

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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-07-05_97dfe0a41b574f7f42746ee71b8e892e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-05_97dfe0a41b574f7f42746ee71b8e892e_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    84KB

    MD5

    9734e3defd681179dc210d29915eefe0

    SHA1

    9f541ee822db8cd12827d196a6dc0b2f11847292

    SHA256

    da6d19e59f6dff86bf5cbc2f236d98d0f77cc210ef63df743eccaaaaf805c9a2

    SHA512

    e8d68546908225b53af390accc745e4c1f959cd78db0a2a735a705b6db700003757682fb31359c01f0fcafb56f71de15dc2a0d9a4a00b4afcc49cdaed80dfd6b

  • memory/2068-19-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/2068-25-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2068-26-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2972-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2972-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2972-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/2972-9-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2972-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB