Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/10/2022, 18:25

General

  • Target

    c71bb2926ffb97266a9f8ea83f2f5add3480bf1488d9e908c5ecccf1fbd4eb0b.exe

  • Size

    224KB

  • MD5

    0128cf936a8b37c874548a7e74798830

  • SHA1

    43d4e494b6731b420b03a497b201c78f395f62d3

  • SHA256

    c71bb2926ffb97266a9f8ea83f2f5add3480bf1488d9e908c5ecccf1fbd4eb0b

  • SHA512

    44aed777e3da471ee789326bf9da584c6c1bd1b5921c9670b443febc8939da7c3b75e62c55de87b7f5c0e80ad48fac0756e1a5fd3c0b60c532bf776b653b5de3

  • SSDEEP

    3072:NXyqNsMoBuMZVpl2mclbj4Uvx+8ysNOu+2eRcKksU61JkkX39RLrw4ySKUbax2+l:0qN5Yp4LnbmlrZ3y

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\c71bb2926ffb97266a9f8ea83f2f5add3480bf1488d9e908c5ecccf1fbd4eb0b.exe
    "C:\Users\Admin\AppData\Local\Temp\c71bb2926ffb97266a9f8ea83f2f5add3480bf1488d9e908c5ecccf1fbd4eb0b.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:3852
    • C:\Users\Admin\teoiz.exe
      "C:\Users\Admin\teoiz.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:2944

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\teoiz.exe

          Filesize

          224KB

          MD5

          2f6516b46bef583912e7cead8e296e31

          SHA1

          1bd2649cc681788e9cdf866adf6df12aa9aa5ba2

          SHA256

          c0585346e99bf521a00d1498e404f73ce151022bbf24a9ecd99eb275c333c514

          SHA512

          9b32a09251000fd9a9126daad61748c49c99a03ed88c2fbb14ccd411f612848fadbc6e6c9da82d48cee056b0e54f42b44c9d84f6b317bb0f29993ac8ee8498f6

        • C:\Users\Admin\teoiz.exe

          Filesize

          224KB

          MD5

          2f6516b46bef583912e7cead8e296e31

          SHA1

          1bd2649cc681788e9cdf866adf6df12aa9aa5ba2

          SHA256

          c0585346e99bf521a00d1498e404f73ce151022bbf24a9ecd99eb275c333c514

          SHA512

          9b32a09251000fd9a9126daad61748c49c99a03ed88c2fbb14ccd411f612848fadbc6e6c9da82d48cee056b0e54f42b44c9d84f6b317bb0f29993ac8ee8498f6