Analysis

  • max time kernel
    191s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2022, 23:05

General

  • Target

    96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595.exe

  • Size

    204KB

  • MD5

    767efb469003f81ab92ce2c09833d7be

  • SHA1

    ecd32129522a0afbf337baebecb64381e9b7023a

  • SHA256

    96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595

  • SHA512

    9de0eac71360f55c7b1648786289bb65e5a5191332e25007136802b0d086d2b5b6e63788bd874b48987edb9b8c0b6eac9753713d71b2fe7b413d62221ec4a3e9

  • SSDEEP

    3072:WmLW8w0tQ9nLHbB9W0c1TqECzR/mkSYGrl9ymgYUWftH:xaP4QxL7B9W0c1RCzR/fSmlMB

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\96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595.exe
    "C:\Users\Admin\AppData\Local\Temp\96800a12f29270d123e6b49330a8f5cd48ec62d2260b016c5b341c584655c595.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:2604
    • C:\Users\Admin\riado.exe
      "C:\Users\Admin\riado.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:4304

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\riado.exe

    Filesize

    204KB

    MD5

    e455f026e3d45da647fbc8f6a2db7300

    SHA1

    727f89e0ac08d7e60222f0e14fb55d6a783d8df3

    SHA256

    45366a9fd5637e7c02b31caf48d55202708b6b66b6267b7f1162adbc877ad5aa

    SHA512

    f729aced6287f4dca337dd670957e35b0dca832b88cbcdc624196fb5388ba86a08bf2ed310442935c5586814308a75febb516d899cb8756eb0b969a42a80b00b

  • C:\Users\Admin\riado.exe

    Filesize

    204KB

    MD5

    e455f026e3d45da647fbc8f6a2db7300

    SHA1

    727f89e0ac08d7e60222f0e14fb55d6a783d8df3

    SHA256

    45366a9fd5637e7c02b31caf48d55202708b6b66b6267b7f1162adbc877ad5aa

    SHA512

    f729aced6287f4dca337dd670957e35b0dca832b88cbcdc624196fb5388ba86a08bf2ed310442935c5586814308a75febb516d899cb8756eb0b969a42a80b00b