Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 20:45

General

  • Target

    608ef8d2550dbc4090b3ec9855fa918d99ed849b956a9cbefa438370fadc09e5.exe

  • Size

    268KB

  • MD5

    79f88998c3c0030605c6ce3f9a586ef3

  • SHA1

    9f9b07bb5332400ed6b548ccdace74f74f874b36

  • SHA256

    608ef8d2550dbc4090b3ec9855fa918d99ed849b956a9cbefa438370fadc09e5

  • SHA512

    9248335f15ff9e0d9a2e55ab99633748e65a69fd237d4a7742bd7f23993c75359e34f9d4f0ab8ae5c2e72384e66f89e658502086358643e383b6979ef10c191c

  • SSDEEP

    6144:7bOJl0UMS422Ous+azXt3D+Qh/pHq8+6IcLaOO3VX6uB/eBcJwRiY70Nf5:U0UMS4hsJzXt3D+Qh3IcqK2d

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\608ef8d2550dbc4090b3ec9855fa918d99ed849b956a9cbefa438370fadc09e5.exe
    "C:\Users\Admin\AppData\Local\Temp\608ef8d2550dbc4090b3ec9855fa918d99ed849b956a9cbefa438370fadc09e5.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:4832
    • C:\Users\Admin\yoasiel.exe
      "C:\Users\Admin\yoasiel.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:3468

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\yoasiel.exe

    Filesize

    268KB

    MD5

    4b3e61acb89b3d7857b573b9eee45635

    SHA1

    49aee1315f141e5e0d11cdb919aa7b2b1d169aaf

    SHA256

    6da42042a61b5e1799ea72ddcbf5fc6098abc337d2244c5b7ea8eefc9a4210a0

    SHA512

    60bfc7c0d6da53800fa34cf166981967fe916b8598e50a597a497f4b1facaad48189273892995e8205cbacd7ed3eed8ce66ffeba77474937726a4f35463c8f92

  • C:\Users\Admin\yoasiel.exe

    Filesize

    268KB

    MD5

    4b3e61acb89b3d7857b573b9eee45635

    SHA1

    49aee1315f141e5e0d11cdb919aa7b2b1d169aaf

    SHA256

    6da42042a61b5e1799ea72ddcbf5fc6098abc337d2244c5b7ea8eefc9a4210a0

    SHA512

    60bfc7c0d6da53800fa34cf166981967fe916b8598e50a597a497f4b1facaad48189273892995e8205cbacd7ed3eed8ce66ffeba77474937726a4f35463c8f92