Analysis

  • max time kernel
    143s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2024, 01:03

General

  • Target
    a7728562c9d2d733cac56f4eea629afb_JaffaCakes118.exe
  • Size 3.7MB
  • Sample240614-behb5ayepc
  • SHA256 ef4a2ad08c55e0a5404d1293128987e7b5d5b27a5ad2fcf54bd06d0cd9eb361c
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Stops running service(s) 4 TTPs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Checks system information in the registry 2 TTPs 1 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Launches sc.exe 6 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a7728562c9d2d733cac56f4eea629afb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a7728562c9d2d733cac56f4eea629afb_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4076
    • C:\Users\Admin\AppData\Local\Temp\is-O4VV0.tmp\a7728562c9d2d733cac56f4eea629afb_JaffaCakes118.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-O4VV0.tmp\a7728562c9d2d733cac56f4eea629afb_JaffaCakes118.tmp" /SL5="$6016E,3599818,122880,C:\Users\Admin\AppData\Local\Temp\a7728562c9d2d733cac56f4eea629afb_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4264
      • C:\Users\Admin\AppData\Local\Temp\a7728562c9d2d733cac56f4eea629afb_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\a7728562c9d2d733cac56f4eea629afb_JaffaCakes118.exe" /VERYSILENT
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3264
        • C:\Users\Admin\AppData\Local\Temp\is-BHV3T.tmp\a7728562c9d2d733cac56f4eea629afb_JaffaCakes118.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-BHV3T.tmp\a7728562c9d2d733cac56f4eea629afb_JaffaCakes118.tmp" /SL5="$40218,3599818,122880,C:\Users\Admin\AppData\Local\Temp\a7728562c9d2d733cac56f4eea629afb_JaffaCakes118.exe" /VERYSILENT
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks system information in the registry
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4520
          • C:\Windows\SysWOW64\taskkill.exe
            "C:\Windows\system32\taskkill.exe" /f /im "ISUSPM.exe"
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:3576
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /delete /tn * /f
            5⤵
              PID:1708
            • C:\Windows\SysWOW64\sc.exe
              "sc.exe" delete isupdate.exe
              5⤵
              • Launches sc.exe
              PID:1200
            • C:\Windows\SysWOW64\sc.exe
              "sc.exe" delete ISUSPM.exe
              5⤵
              • Launches sc.exe
              PID:3552
            • C:\Windows\SysWOW64\sc.exe
              "sc.exe" delete msiupd.exe
              5⤵
              • Launches sc.exe
              PID:2948
            • C:\Windows\SysWOW64\sc.exe
              "sc.exe" delete router.exe
              5⤵
              • Launches sc.exe
              PID:1936
            • C:\Windows\SysWOW64\sc.exe
              "sc.exe" delete Updater.exe
              5⤵
              • Launches sc.exe
              PID:4684
            • C:\Windows\SysWOW64\sc.exe
              "sc.exe" delete updatesvc.exe
              5⤵
              • Launches sc.exe
              PID:3472
            • C:\Windows\SysWOW64\schtasks.exe
              "schtasks.exe" /Create /F /SC ONLOGON /RL HIGHEST /TN "InstallShield® Update Service Scheduler" /TR "\"C:\Program Files (x86)\Common Files\InstallShield\Update\ISUSPM.exe\"
              5⤵
              • Creates scheduled task(s)
              PID:4624
            • C:\Windows\SysWOW64\schtasks.exe
              "schtasks.exe" /Create /F /SC WEEKLY /D WED,SUN /ST 12:00 /RL HIGHEST /TN "Optimize Thumbnail Cache Files" /TR "wscript.exe //nologo //E:jscript //B \"C:\ProgramData\InstallShield\Update\isuspm.ini\"
              5⤵
              • Creates scheduled task(s)
              PID:3308
            • C:\Users\Admin\AppData\Local\Temp\is-O8RF4.tmp\_setup.exe
              "C:\Users\Admin\AppData\Local\Temp\is-O8RF4.tmp\_setup.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:3224
              • C:\Users\Admin\AppData\Local\Temp\is-DTQ4P.tmp\_setup.tmp
                "C:\Users\Admin\AppData\Local\Temp\is-DTQ4P.tmp\_setup.tmp" /SL5="$D0162,2952592,69120,C:\Users\Admin\AppData\Local\Temp\is-O8RF4.tmp\_setup.exe"
                6⤵
                • Executes dropped EXE
                PID:980
            • C:\Windows\SysWOW64\CheckNetIsolation.exe
              "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=1527c705-839a-4832-9118-54d4Bd6a0c89_cw5n1h2txyewy
              5⤵
                PID:1808
              • C:\Windows\SysWOW64\CheckNetIsolation.exe
                "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=ActiveSync
                5⤵
                  PID:3720
                • C:\Windows\SysWOW64\CheckNetIsolation.exe
                  "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=c5e2524a-ea46-4f67-841f-6a9465d9d515_cw5n1h2txyewy
                  5⤵
                    PID:3248
                  • C:\Windows\SysWOW64\CheckNetIsolation.exe
                    "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=E2A4F912-2574-4A75-9BB0-0D023378592B_cw5n1h2txyewy
                    5⤵
                      PID:2452
                    • C:\Windows\SysWOW64\CheckNetIsolation.exe
                      "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=F46D4000-FD22-4DB4-AC8E-4E1DDDE828FE_cw5n1h2txyewy
                      5⤵
                        PID:4960
                      • C:\Windows\SysWOW64\CheckNetIsolation.exe
                        "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.AAD.BrokerPlugin_cw5n1h2txyewy
                        5⤵
                          PID:3216
                        • C:\Windows\SysWOW64\CheckNetIsolation.exe
                          "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.AccountsControl_cw5n1h2txyewy
                          5⤵
                            PID:1340
                          • C:\Windows\SysWOW64\CheckNetIsolation.exe
                            "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.AsyncTextService_8wekyb3d8bbwe
                            5⤵
                              PID:3528
                            • C:\Windows\SysWOW64\CheckNetIsolation.exe
                              "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.BioEnrollment_cw5n1h2txyewy
                              5⤵
                                PID:1860
                              • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.CredDialogHost_cw5n1h2txyewy
                                5⤵
                                  PID:208
                                • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                  "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.ECApp_8wekyb3d8bbwe
                                  5⤵
                                    PID:3220
                                  • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                    "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.LockApp_cw5n1h2txyewy
                                    5⤵
                                      PID:3968
                                    • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                      "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe
                                      5⤵
                                        PID:2832
                                      • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                        "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.MicrosoftEdge_8wekyb3d8bbwe
                                        5⤵
                                          PID:4364
                                        • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                          "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.VCLibs.140.00_8wekyb3d8bbwe
                                          5⤵
                                            PID:404
                                          • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                            "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.Win32WebViewHost_cw5n1h2txyewy
                                            5⤵
                                              PID:3280
                                            • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                              "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.Windows.Apprep.ChxApp_cw5n1h2txyewy
                                              5⤵
                                                PID:4148
                                              • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.Windows.AssignedAccessLockApp_cw5n1h2txyewy
                                                5⤵
                                                  PID:4776
                                                • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                  "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.Windows.CallingShellApp_cw5n1h2txyewy
                                                  5⤵
                                                    PID:2308
                                                  • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                    "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.Windows.CapturePicker_cw5n1h2txyewy
                                                    5⤵
                                                      PID:2944
                                                    • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                      "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy
                                                      5⤵
                                                        PID:1660
                                                      • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                        "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy
                                                        5⤵
                                                          PID:1200
                                                        • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                          "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.Windows.NarratorQuickStart_8wekyb3d8bbwe
                                                          5⤵
                                                            PID:3728
                                                          • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                            "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.Windows.OOBENetworkCaptivePortal_cw5n1h2txyewy
                                                            5⤵
                                                              PID:1968
                                                            • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                              "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.Windows.OOBENetworkConnectionFlow_cw5n1h2txyewy
                                                              5⤵
                                                                PID:1196
                                                              • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                                "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.Windows.ParentalControls_cw5n1h2txyewy
                                                                5⤵
                                                                  PID:1208
                                                                • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                                  "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.Windows.PeopleExperienceHost_cw5n1h2txyewy
                                                                  5⤵
                                                                    PID:4136
                                                                  • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                                    "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.Windows.PinningConfirmationDialog_cw5n1h2txyewy
                                                                    5⤵
                                                                      PID:3308
                                                                    • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                                      "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.Windows.Search_cw5n1h2txyewy
                                                                      5⤵
                                                                        PID:3588
                                                                      • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                                        "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.Windows.SecureAssessmentBrowser_cw5n1h2txyewy
                                                                        5⤵
                                                                          PID:3348
                                                                        • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                                          "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.Windows.ShellExperienceHost_cw5n1h2txyewy
                                                                          5⤵
                                                                            PID:3760
                                                                          • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                                            "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy
                                                                            5⤵
                                                                              PID:4312
                                                                            • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                                              "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.Windows.XGpuEjectDialog_cw5n1h2txyewy
                                                                              5⤵
                                                                                PID:3236
                                                                              • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                                                "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Microsoft.XboxGameCallableUI_cw5n1h2txyewy
                                                                                5⤵
                                                                                  PID:3460
                                                                                • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                                                  "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=MicrosoftWindows.Client.CBS_cw5n1h2txyewy
                                                                                  5⤵
                                                                                    PID:2268
                                                                                  • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                                                    "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=MicrosoftWindows.UndockedDevKit_cw5n1h2txyewy
                                                                                    5⤵
                                                                                      PID:2868
                                                                                    • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                                                      "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=NcsiUwpApp_8wekyb3d8bbwe
                                                                                      5⤵
                                                                                        PID:3432
                                                                                      • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                                                        "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Windows.CBSPreview_cw5n1h2txyewy
                                                                                        5⤵
                                                                                          PID:1312
                                                                                        • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                                                          "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=windows.immersivecontrolpanel_cw5n1h2txyewy
                                                                                          5⤵
                                                                                            PID:3384
                                                                                          • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                                                            "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=Windows.PrintDialog_cw5n1h2txyewy
                                                                                            5⤵
                                                                                              PID:4012
                                                                                            • C:\Windows\SysWOW64\CheckNetIsolation.exe
                                                                                              "C:\Windows\system32\CheckNetIsolation.exe" LoopbackExempt -a -n=windows_ie_ac_001
                                                                                              5⤵
                                                                                                PID:4368

                                                                                      Network

                                                                                            MITRE ATT&CK Enterprise v15

                                                                                            Replay Monitor

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                                                                                            Downloads

                                                                                            _setup.tmp

                                                                                            • Path C:\Users\Admin\AppData\Local\Temp\is-DTQ4P.tmp\_setup.tmp
                                                                                            • Size 703KB
                                                                                            • SHA256 95c06acac4fe4598840e5556f9613d43aa1039c52dac64536f59e45a70f79da6
                                                                                            • MD5 SHA1 SHA512 SSDEEP

                                                                                            a7728562c9d2d733cac56f4eea629afb_JaffaCakes118.tmp

                                                                                            • Path C:\Users\Admin\AppData\Local\Temp\is-O4VV0.tmp\a7728562c9d2d733cac56f4eea629afb_JaffaCakes118.tmp
                                                                                            • Size 767KB
                                                                                            • SHA256 9b573214734e68072f9c71a28d4507483e85909d7a333879a994ac2d6e169876
                                                                                            • MD5 SHA1 SHA512 SSDEEP

                                                                                            _setup.exe

                                                                                            • Path C:\Users\Admin\AppData\Local\Temp\is-O8RF4.tmp\_setup.exe
                                                                                            • Size 3.1MB
                                                                                            • SHA256 64c731adbe1b96cb5765203b1e215093dcf268d020b299445884a4ae62ed2d3a
                                                                                            • MD5 SHA1 SHA512 SSDEEP

                                                                                            idp.dll

                                                                                            • Path C:\Users\Admin\AppData\Local\Temp\is-UR2OM.tmp\idp.dll
                                                                                            • Size 216KB
                                                                                            • SHA256 203d7b61eac96de865ab3b586160e72c78d93ab5532b13d50ef27174126fd006
                                                                                            • MD5 SHA1 SHA512 SSDEEP

                                                                                            memory/980-55-0x0000000000400000-0x00000000004C0000-memory.dmp

                                                                                            memory/3224-54-0x0000000000400000-0x0000000000417000-memory.dmp

                                                                                            memory/3224-38-0x0000000000400000-0x0000000000417000-memory.dmp

                                                                                            memory/3264-53-0x0000000000400000-0x0000000000425000-memory.dmp

                                                                                            memory/3264-14-0x0000000000400000-0x0000000000425000-memory.dmp

                                                                                            memory/3264-17-0x0000000000400000-0x0000000000425000-memory.dmp

                                                                                            memory/4076-22-0x0000000000400000-0x0000000000425000-memory.dmp

                                                                                            memory/4076-1-0x0000000000400000-0x0000000000425000-memory.dmp

                                                                                            memory/4076-3-0x0000000000401000-0x000000000040C000-memory.dmp

                                                                                            memory/4264-7-0x0000000000400000-0x00000000004CE000-memory.dmp

                                                                                            memory/4264-18-0x0000000000400000-0x00000000004CE000-memory.dmp

                                                                                            memory/4520-50-0x0000000000400000-0x00000000004CE000-memory.dmp

                                                                                            memory/4520-24-0x0000000000400000-0x00000000004CE000-memory.dmp