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Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2022, 00:49

General

  • Target

    b62e8719f6ba79467de5b0b3e7f042ff1a18287cf569848ef61dbcc7ce321308.exe

  • Size

    135KB

  • MD5

    724e7888c2f6aa2dfe660f7f8ec3e463

  • SHA1

    3793028ed9371ceeb69e60780af864cf3653b8a6

  • SHA256

    b62e8719f6ba79467de5b0b3e7f042ff1a18287cf569848ef61dbcc7ce321308

  • SHA512

    3b32ec899aba3be82a27c5a6424b78ac89f96bd80c866cb1ede9b4d1b75b1a65c494338d6f8c8361fab76bed6dbfeb3cc8b84da1d7d49fbd91cd699e180f2c8b

  • SSDEEP

    3072:Wy5GeG8UPb1WpXVxAaGBvbNvNbNJkvmhyPQbaDTUXGIDbwKDqCtrwdAxaVTtVHLO:Dke4oIDbByGPMsMP

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b62e8719f6ba79467de5b0b3e7f042ff1a18287cf569848ef61dbcc7ce321308.exe
    "C:\Users\Admin\AppData\Local\Temp\b62e8719f6ba79467de5b0b3e7f042ff1a18287cf569848ef61dbcc7ce321308.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Users\Admin\hcnoed.exe
      "C:\Users\Admin\hcnoed.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4760

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\hcnoed.exe

    Filesize

    135KB

    MD5

    f872c0c6c786744603a83f38dbb07ea6

    SHA1

    ce713152ebb2e51164eccf9710b516fdd3eb43f2

    SHA256

    a642f740a9c4a3906b9fe5a99a27add40455ec622fd40d73a98afb6207f028fc

    SHA512

    53802f92d87eb0bbc783c221888636bb5b99768f54bb008734cd0fdd65501edfbf5b403ac4249884578e98b22a9930e20a19aa19bcb5c15373bcca662a43c5da

  • C:\Users\Admin\hcnoed.exe

    Filesize

    135KB

    MD5

    f872c0c6c786744603a83f38dbb07ea6

    SHA1

    ce713152ebb2e51164eccf9710b516fdd3eb43f2

    SHA256

    a642f740a9c4a3906b9fe5a99a27add40455ec622fd40d73a98afb6207f028fc

    SHA512

    53802f92d87eb0bbc783c221888636bb5b99768f54bb008734cd0fdd65501edfbf5b403ac4249884578e98b22a9930e20a19aa19bcb5c15373bcca662a43c5da