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Analysis

  • max time kernel
    1172s
  • max time network
    1048s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/02/2023, 18:44

General

  • Target

    http://7s3cdifbmi63dc4f2b938c6.hsvnutri.ru

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Checks processor information in registry 2 TTPs 5 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of SetWindowsHookEx 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" http://7s3cdifbmi63dc4f2b938c6.hsvnutri.ru
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4460
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" http://7s3cdifbmi63dc4f2b938c6.hsvnutri.ru
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1872
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1872.0.82691393\1019144145" -parentBuildID 20200403170909 -prefsHandle 1700 -prefMapHandle 1692 -prefsLen 1 -prefMapSize 220117 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1872 "\\.\pipe\gecko-crash-server-pipe.1872" 1772 gpu
        3⤵
          PID:4900
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1872.3.1568530775\731478993" -childID 1 -isForBrowser -prefsHandle 2496 -prefMapHandle 1568 -prefsLen 112 -prefMapSize 220117 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1872 "\\.\pipe\gecko-crash-server-pipe.1872" 2488 tab
          3⤵
            PID:4072
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1872.13.1172876749\1230287716" -childID 2 -isForBrowser -prefsHandle 3800 -prefMapHandle 3796 -prefsLen 6894 -prefMapSize 220117 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1872 "\\.\pipe\gecko-crash-server-pipe.1872" 3812 tab
            3⤵
              PID:3224
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
          1⤵
            PID:3616
          • C:\Windows\System32\svchost.exe
            C:\Windows\System32\svchost.exe -k UnistackSvcGroup
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3420

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/3420-132-0x0000022A80810000-0x0000022A80820000-memory.dmp

            Filesize

            64KB

          • memory/3420-133-0x0000022A80910000-0x0000022A80920000-memory.dmp

            Filesize

            64KB