Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-09-2024 14:24

General

  • Target

    e703bbe47aebe10247b7c5209166eb71_JaffaCakes118.exe

  • Size

    164KB

  • MD5

    e703bbe47aebe10247b7c5209166eb71

  • SHA1

    1bc755041a0ba0324362a82dc483dc7281e439ea

  • SHA256

    58078c4f1c7ab58721a954bd519a8b8e5241fb9a146d7e1e8f773046e92f678f

  • SHA512

    450c7f57b48a69bae416f62289a96695c952ad0ebd51ef4d108ffd8936bb98304f91b9a505a0e321d44fbb7a97dee3f800e05eca3d22fc807195d6bf71ce55cc

  • SSDEEP

    3072:fq7Kl0WdcqBIDkvRyB+n9QorgRyCwuWJ0E32AQH0br1r:SjWxIDkpyE9PwyXJeAQH0brJ

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 11 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2544
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
      1⤵
        PID:2584
      • C:\Windows\system32\taskhostw.exe
        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
        1⤵
          PID:2688
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          1⤵
            PID:3424
            • C:\Users\Admin\AppData\Local\Temp\e703bbe47aebe10247b7c5209166eb71_JaffaCakes118.exe
              "C:\Users\Admin\AppData\Local\Temp\e703bbe47aebe10247b7c5209166eb71_JaffaCakes118.exe"
              2⤵
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:4964
              • C:\Users\Admin\AppData\Local\Temp\e703bbe47aebe10247b7c5209166eb71_JaffaCakes118.exe
                "C:\Users\Admin\AppData\Local\Temp\e703bbe47aebe10247b7c5209166eb71_JaffaCakes118.exe"
                3⤵
                • Checks computer location settings
                • Maps connected drives based on registry
                • Drops file in System32 directory
                • System Location Discovery: System Language Discovery
                • Modifies registry class
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of WriteProcessMemory
                PID:4640
                • C:\Windows\SysWOW64\wmpdl32.exe
                  "C:\Windows\SysWOW64\wmpdl32.exe" C:\Users\Admin\AppData\Local\Temp\E703BB~1.EXE
                  4⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:3192
                  • C:\Windows\SysWOW64\wmpdl32.exe
                    "C:\Windows\SysWOW64\wmpdl32.exe" C:\Users\Admin\AppData\Local\Temp\E703BB~1.EXE
                    5⤵
                    • Modifies firewall policy service
                    • Deletes itself
                    • Executes dropped EXE
                    • Adds Run key to start application
                    • Maps connected drives based on registry
                    • Drops file in System32 directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    PID:3476
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
            1⤵
              PID:3740
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              1⤵
                PID:3924
              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                1⤵
                  PID:4016
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:4080
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:3020
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:4140
                      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                        1⤵
                          PID:2728
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:2300

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • C:\Windows\SysWOW64\wmpdl32.exe

                            Filesize

                            164KB

                            MD5

                            e703bbe47aebe10247b7c5209166eb71

                            SHA1

                            1bc755041a0ba0324362a82dc483dc7281e439ea

                            SHA256

                            58078c4f1c7ab58721a954bd519a8b8e5241fb9a146d7e1e8f773046e92f678f

                            SHA512

                            450c7f57b48a69bae416f62289a96695c952ad0ebd51ef4d108ffd8936bb98304f91b9a505a0e321d44fbb7a97dee3f800e05eca3d22fc807195d6bf71ce55cc

                          • memory/3476-43-0x0000000000400000-0x0000000000457000-memory.dmp

                            Filesize

                            348KB

                          • memory/3476-45-0x0000000000400000-0x0000000000457000-memory.dmp

                            Filesize

                            348KB

                          • memory/3476-44-0x0000000000400000-0x0000000000457000-memory.dmp

                            Filesize

                            348KB

                          • memory/3476-46-0x0000000000400000-0x0000000000457000-memory.dmp

                            Filesize

                            348KB

                          • memory/3476-47-0x0000000000400000-0x0000000000457000-memory.dmp

                            Filesize

                            348KB

                          • memory/3476-48-0x0000000000400000-0x0000000000457000-memory.dmp

                            Filesize

                            348KB

                          • memory/4640-0-0x0000000000400000-0x0000000000457000-memory.dmp

                            Filesize

                            348KB

                          • memory/4640-2-0x0000000000400000-0x0000000000457000-memory.dmp

                            Filesize

                            348KB

                          • memory/4640-4-0x0000000000400000-0x0000000000457000-memory.dmp

                            Filesize

                            348KB

                          • memory/4640-3-0x0000000000400000-0x0000000000457000-memory.dmp

                            Filesize

                            348KB

                          • memory/4640-38-0x0000000000400000-0x0000000000457000-memory.dmp

                            Filesize

                            348KB