Analysis

  • max time kernel
    185s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2022, 23:26

General

  • Target

    c78f293e248aa96daa13959d1350872d1e770b67e9a570a92c3f3be22c488a7b.exe

  • Size

    148KB

  • MD5

    e8e135a2b419389738ea4bf780f5124c

  • SHA1

    6e6116b6069916f2fe9a16de5fc647a0fcce56bb

  • SHA256

    c78f293e248aa96daa13959d1350872d1e770b67e9a570a92c3f3be22c488a7b

  • SHA512

    3a6e3b1b8feee2082aa10fc6896a379d43ef3b0c837bd35e019111e830b21ecf401de6682f241e1341402be7c1d19f6f18b00a17c109c87682dfc5abe2d2fcf6

  • SSDEEP

    3072:SZD+WuMBspr8+k77/pswWR/x0+dv4TLxyK4c4oQZiEaFs:+SWuMBsFvS04+dv4TV9W/

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 54 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\c78f293e248aa96daa13959d1350872d1e770b67e9a570a92c3f3be22c488a7b.exe
    "C:\Users\Admin\AppData\Local\Temp\c78f293e248aa96daa13959d1350872d1e770b67e9a570a92c3f3be22c488a7b.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:3208
    • C:\Users\Admin\vydeol.exe
      "C:\Users\Admin\vydeol.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:3892

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\vydeol.exe

    Filesize

    148KB

    MD5

    21dfd51676f546edf943237199af6bca

    SHA1

    1492c18b283b606f505dd564edbe22f4fbc84752

    SHA256

    d25db65b40924524478d927e0f922b97f08d7023baad32c26d8165c574a4dc82

    SHA512

    2509b52760e7d58a99a035b377db80e4bac4457c64f2a7fedf87c0ccd5d6fad808f6c508ca923429b7272a4ae32d740f99839a9a4013d74ee4b0992aeac2dd97

  • C:\Users\Admin\vydeol.exe

    Filesize

    148KB

    MD5

    21dfd51676f546edf943237199af6bca

    SHA1

    1492c18b283b606f505dd564edbe22f4fbc84752

    SHA256

    d25db65b40924524478d927e0f922b97f08d7023baad32c26d8165c574a4dc82

    SHA512

    2509b52760e7d58a99a035b377db80e4bac4457c64f2a7fedf87c0ccd5d6fad808f6c508ca923429b7272a4ae32d740f99839a9a4013d74ee4b0992aeac2dd97