Windows 7 deprecation

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

Overview

overview

10

Static

static

keyauth By...s..scr

windows7-x64

10

keyauth By...s..scr

windows10-2004-x64

10

Resubmissions

22/09/2022, 11:18

220922-nektgabcf6 10

22/09/2022, 11:03

220922-m5pdxafacl 10

Analysis

  • max time kernel
    143s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/09/2022, 11:03

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    keyauth Bypass‮nls..scr

  • Size

    2.6MB

  • MD5

    5361a2f1d174599ebc5b6cc31daf86f2

  • SHA1

    ade74d0abac77203629b81513a739f11b39a52ef

  • SHA256

    55af1ee79176f2503dc6cee5464344e6bbcaa4e37b4ae7217922c8e56ec395cf

  • SHA512

    96381c583b975e4c2cd7ec70bd955936c48a9737036234241e37e73baf81c96cb28ab28d2fe3c53ed1e8ce0be641fba653d7e6877770cb8f60fb32f2c7b703b4

  • SSDEEP

    49152:j8ASxr7FEi5LbunhHpj5G3FVhIdag5SNHeGJWrz:jTSt7FEGnCdpj5G3FVq18gGJ

Score
10/10
persistence

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
    adwarespyware
  • Modifies registry class 49 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:2724
    • C:\Users\Admin\AppData\Local\Temp\keyauth Bypass‮nls..scr
      "C:\Users\Admin\AppData\Local\Temp\keyauth Bypass‮nls..scr" /S
      2⤵
      • Modifies WinLogon for persistence
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3960
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3392
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:5000

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2724-141-0x00007FFE18DE0000-0x00007FFE198A1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/2724-142-0x00007FFE18DE0000-0x00007FFE198A1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3960-132-0x0000012100EF0000-0x0000012101190000-memory.dmp

      Filesize

      2.6MB

      Download

    • memory/3960-133-0x00007FFE18DE0000-0x00007FFE198A1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3960-134-0x0000012101500000-0x0000012101522000-memory.dmp

      Filesize

      136KB

      Download

    • memory/3960-135-0x00007FFE36E30000-0x00007FFE37025000-memory.dmp

      Filesize

      2.0MB

      Download

    • memory/3960-136-0x00007FFE36E30000-0x00007FFE37025000-memory.dmp

      Filesize

      2.0MB

      Download

    • memory/3960-137-0x00007FFE18DE0000-0x00007FFE198A1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3960-138-0x00007FFE36E30000-0x00007FFE37025000-memory.dmp

      Filesize

      2.0MB

      Download

    • memory/3960-139-0x00007FFE18DE0000-0x00007FFE198A1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3960-140-0x00007FFE36E30000-0x00007FFE37025000-memory.dmp

      Filesize

      2.0MB

      Download