Analysis

  • max time kernel
    119s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/11/2024, 11:36

General

  • Target

    d862746f084183bb16765decc21f0eea62c48ac96eed0f9364a8a9af3248db6d.exe

  • Size

    232KB

  • MD5

    460a381c320cf3cdb78be1dac853c5f8

  • SHA1

    1fcc3c325983e71dcc7e5805cd2c98c5158ba645

  • SHA256

    d862746f084183bb16765decc21f0eea62c48ac96eed0f9364a8a9af3248db6d

  • SHA512

    61c42397ac0b82c40b721b7b381b3a79aaaec11faab91757111b68768a140670c2f17cde8887324a7aad2895d486d9f154e681ac92902370a9cee80d65b9fbee

  • SSDEEP

    6144:dU3PFKs78g2KyEOaWEqxF6snji81RUinKdNOb6:8Ph+mF7

Malware Config

Signatures

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

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 27 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d862746f084183bb16765decc21f0eea62c48ac96eed0f9364a8a9af3248db6d.exe
    "C:\Users\Admin\AppData\Local\Temp\d862746f084183bb16765decc21f0eea62c48ac96eed0f9364a8a9af3248db6d.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4712
    • C:\Users\Admin\bzmeok.exe
      "C:\Users\Admin\bzmeok.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\bzmeok.exe

    Filesize

    232KB

    MD5

    ee408d54f19082259059da7554c89010

    SHA1

    605a600d832f5dfd7fad49dfce41cc58a4ff07f2

    SHA256

    5ed6ac1358156311eea3068541f718a495544626ce989bb6f9169ba19420f9c9

    SHA512

    2cb7ad20f8d417799d34933c9f28f96c299c0c59cde62298b4a7f9b612361523ca45c329ab01f2b565edcc8c57307ac408f18efc070038598a775bfef3310482