Analysis

  • max time kernel
    123s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/06/2024, 06:51

General

  • Target
    deleteedge.bat
  • Size 2KB
  • Sample240610-hmn8zaeb49
  • SHA256 402669dfcc3702db2469446a53e319e258adecc6473a8ea731fee4f2df2cd3af
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Possible privilege escalation attempt 4 IoCs
  • Modifies file permissions 1 TTPs 4 IoCs
  • Kills process with taskkill 1 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\deleteedge.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4092
    • C:\Windows\system32\taskkill.exe
      taskkill /F /IM msedge.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3292
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo"
      2⤵
        PID:3288
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /S /D /c" set /p=Removing dir C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe"
        2⤵
          PID:4596
        • C:\Windows\system32\takeown.exe
          takeown /a /r /d Y /f C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe
          2⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          • Suspicious use of AdjustPrivilegeToken
          PID:1464
        • C:\Windows\system32\icacls.exe
          icacls C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe /grant administrators:f /t
          2⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:2984
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo"
          2⤵
            PID:972
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" set /p=Removing dir "C:\Program Files (x86)\Microsoft\Edge""
            2⤵
              PID:3496
            • C:\Windows\system32\takeown.exe
              takeown /a /r /d Y /f "C:\Program Files (x86)\Microsoft\Edge"
              2⤵
              • Possible privilege escalation attempt
              • Modifies file permissions
              PID:1052
            • C:\Windows\system32\icacls.exe
              icacls "C:\Program Files (x86)\Microsoft\Edge" /grant administrators:f /t
              2⤵
              • Possible privilege escalation attempt
              • Modifies file permissions
              PID:2988
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo"
              2⤵
                PID:3320
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" set /p=Removing dir "C:\Program Files (x86)\Microsoft\EdgeUpdate""
                2⤵
                  PID:1444
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /S /D /c" echo"
                  2⤵
                    PID:2908
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /S /D /c" set /p=Removing dir "C:\Program Files (x86)\Microsoft\EdgeCore""
                    2⤵
                      PID:4412
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /S /D /c" echo"
                      2⤵
                        PID:2208
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /S /D /c" set /p=Removing dir "C:\Program Files (x86)\Microsoft\EdgeWebView""
                        2⤵
                          PID:3452
                        • C:\Windows\system32\cmd.exe
                          C:\Windows\system32\cmd.exe /S /D /c" echo"
                          2⤵
                            PID:2076
                          • C:\Windows\system32\cmd.exe
                            C:\Windows\system32\cmd.exe /S /D /c" set /p=Editting registry"
                            2⤵
                              PID:5028
                            • C:\Windows\regedit.exe
                              regedit /s RemoveEdge.reg
                              2⤵
                              • Modifies Installed Components in the registry
                              • Runs .reg file with regedit
                              PID:4576
                            • C:\Windows\system32\cmd.exe
                              C:\Windows\system32\cmd.exe /S /D /c" echo"
                              2⤵
                                PID:3332
                              • C:\Windows\system32\cmd.exe
                                C:\Windows\system32\cmd.exe /S /D /c" set /p=Removing shortcut "C:\Users\Public\Desktop\Microsoft Edge.lnk""
                                2⤵
                                  PID:2864
                                • C:\Windows\system32\cmd.exe
                                  C:\Windows\system32\cmd.exe /S /D /c" echo"
                                  2⤵
                                    PID:4200
                                  • C:\Windows\system32\cmd.exe
                                    C:\Windows\system32\cmd.exe /S /D /c" set /p=Removing shortcut "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Microsoft Edge.lnk""
                                    2⤵
                                      PID:3992
                                    • C:\Windows\system32\cmd.exe
                                      C:\Windows\system32\cmd.exe /S /D /c" echo"
                                      2⤵
                                        PID:3096
                                      • C:\Windows\system32\cmd.exe
                                        C:\Windows\system32\cmd.exe /S /D /c" set /p=Removing shortcut "C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Microsoft Edge.lnk""
                                        2⤵
                                          PID:2492
                                      • C:\Windows\System32\rundll32.exe
                                        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                        1⤵
                                          PID:4576

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              RemoveEdge.reg

                                              • Path C:\Users\Admin\Desktop\RemoveEdge.reg
                                              • Size 263B
                                              • SHA256 7cc8c0543a77f3bb508cfc21e86cd957300de4e48c2e1366dc9f1b37ce76a108
                                              • MD5 SHA1 SHA512