Analysis

  • max time kernel
    174s
  • max time network
    200s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2022, 19:29

General

  • Target

    cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac.exe

  • Size

    180KB

  • MD5

    e1bc43c91b3c73af5ae90f7c9fab39e5

  • SHA1

    c6a4007917ff283c69a50ffa0fe216cda3a69f27

  • SHA256

    cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac

  • SHA512

    71cda3de375fab8bdd43b0ce62d8c51d71fb90ed39f4d82b0939882b49105e757996e251c900135561554188555125b3a29c46166f44df72c48dd6d2083bae5d

  • SSDEEP

    3072:dRVNSIcEGROnFZgPmCXMNKiqMWMZZZZWMkIJX:Rg2tEMNIMWHY

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 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 29 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac.exe
    "C:\Users\Admin\AppData\Local\Temp\cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\nhwuj.exe
      "C:\Users\Admin\nhwuj.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
      PID:3932

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\nhwuj.exe

          Filesize

          180KB

          MD5

          15e229abfbd4d72ed3e55dfc154ff653

          SHA1

          2cf7a49219309d8e28a30b4db050ace94bbb9b66

          SHA256

          c918859ece04adcd3b70d73d986f6811586d31e0dd5a3177ce26fc150a24e4dd

          SHA512

          7cd044f2a0e627d3b552823bc1442ac57c8bc2a35fbc1d05c315b1bf063a84f76a33458b7686181861a7a960a757982eaddfbab74e50015b473698987e0fcc41

        • C:\Users\Admin\nhwuj.exe

          Filesize

          180KB

          MD5

          15e229abfbd4d72ed3e55dfc154ff653

          SHA1

          2cf7a49219309d8e28a30b4db050ace94bbb9b66

          SHA256

          c918859ece04adcd3b70d73d986f6811586d31e0dd5a3177ce26fc150a24e4dd

          SHA512

          7cd044f2a0e627d3b552823bc1442ac57c8bc2a35fbc1d05c315b1bf063a84f76a33458b7686181861a7a960a757982eaddfbab74e50015b473698987e0fcc41