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Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    16/07/2024, 02:13

General

  • Target

    4c651d5264683e2d654ade96736517aa_JaffaCakes118.exe

  • Size

    160KB

  • MD5

    4c651d5264683e2d654ade96736517aa

  • SHA1

    3f719307c7f9f47e8b7b8cf4c181dd87f82befb4

  • SHA256

    383848a72073f274cc33b502030e13427981a6b144b26c8d70f4b7cf1afbbd91

  • SHA512

    abdf044c131c035b07637e2ca2df2ac770a3a056e900b62050e79c9e8eda9ea49564ccc6fd6296b60563f432c9b0d90cd5b4f47199873c51af0c927981905644

  • SSDEEP

    3072:h/SY8+c2xq3ddXJAB0wJAKyUvqolAnQ0gol06jykq1x4SA:h6Y8xTJAB0ebyU2nQ0gUHykq1/

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Users\Admin\AppData\Local\Temp\4c651d5264683e2d654ade96736517aa_JaffaCakes118.exe
            "C:\Users\Admin\AppData\Local\Temp\4c651d5264683e2d654ade96736517aa_JaffaCakes118.exe"
            2⤵
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Modifies Internet Explorer settings
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2624
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpcf6ba907.bat"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:3060
              • C:\Windows\SysWOW64\netsh.exe
                netsh advfirewall firewall add rule name="explore" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\Emfa\saiclum.exe"
                4⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                PID:2884
            • C:\Users\Admin\AppData\Roaming\Emfa\saiclum.exe
              "C:\Users\Admin\AppData\Roaming\Emfa\saiclum.exe"
              3⤵
              • Executes dropped EXE
              • Adds Run key to start application
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:2088
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp611d518b.bat"
              3⤵
              • Deletes itself
              PID:344
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1612
          • C:\Program Files\Windows Mail\WinMail.exe
            "C:\Program Files\Windows Mail\WinMail.exe" -Embedding
            1⤵
            • NTFS ADS
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of SetWindowsHookEx
            PID:532
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
            1⤵
              PID:2600
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
              1⤵
                PID:2276

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\edb.log

                Filesize

                2.0MB

                MD5

                475a8b8a04d202ae842a98ac3d1f1e2b

                SHA1

                839558f9add4e49f015b8a35c0d0f8556e3c9892

                SHA256

                b9d0a67b0ab0b5d57fa6e034fe890d8e3b6b2b1484ba62c5f96f07e0c489e863

                SHA512

                9190eb6c703c54f0e4af8d76f2cbdaeef5cbc9f4b5d93451e81f0056318b8129a9e36aacf0f6683940ec4a07f2989ccec741142607827d7def409556dd2d5861

              • C:\Users\Admin\AppData\Local\Temp\tmp611d518b.bat

                Filesize

                271B

                MD5

                55cc71860c585f5233360f73aa4eb55e

                SHA1

                513d0816ec087b88fe60917bf85c59ce30a2a026

                SHA256

                9e97e0f8ab9386234403053593ab88be4ae435786a480827c606e2ebc10cebf1

                SHA512

                ecf9987dbb90a6ad9b7bd90616ed4499fd035dfaf53f53e4ae34a151404f68f17606e9e32b40d6de7129542232c5ba109692f8256256db0d3dd0511da283bd04

              • C:\Users\Admin\AppData\Local\Temp\tmpcf6ba907.bat

                Filesize

                201B

                MD5

                6f656c91579805ce8f733981b9b5e47e

                SHA1

                d40a1f5f4a2b9de210eea98a2960b83022f6a2f1

                SHA256

                d38dae653beb6ffcbf04749a9ae59990d446af7f1d0070c83ecc95f2f8de3ecf

                SHA512

                dc6081b4dc7822a8edb171d54c7a44bc4a2ec21e4c70485abe36ac25b5bb3e8a5f731cc67b123057ab71da13f3972461b27297ed36d3d0701f33ac7e40e278fb

              • C:\Users\Admin\AppData\Roaming\Gage\hukiut.poo

                Filesize

                380B

                MD5

                e3582e2cedd69055d3d27ab13144bf86

                SHA1

                81237e3b6e054c462a1a7a3b3065b292392c0049

                SHA256

                51d4c7ff12055072e677af9366c928e981599d8cbee5d5306f15912aacd28c30

                SHA512

                215993c390826073e4891b656f7fcc7cb4311d9a3e612cace5db76460be7c6fa2baff05da2a70084c50bf9a85a02e3bb64e2bbb405b37d45d72f7ed8c8fcf5d3

              • \Users\Admin\AppData\Roaming\Emfa\saiclum.exe

                Filesize

                160KB

                MD5

                823a4cc1b1d2e5b78a92b25327f0c563

                SHA1

                71f2b0beffb33eaa6406620af873b357dad5d165

                SHA256

                d00305b7943d39549bdf25fc274e40ed55a321948c4753a5eb731b260479e1df

                SHA512

                864cf853d964ee7bd7b0cee3028a65377ae62716873dd001e4bb024c91b5484d806cafc26975cd33eef06a5fdc46e49944593b816928f4e91c0385fde7b8e066

              • memory/1112-18-0x00000000002B0000-0x00000000002D7000-memory.dmp

                Filesize

                156KB

              • memory/1112-16-0x00000000002B0000-0x00000000002D7000-memory.dmp

                Filesize

                156KB

              • memory/1112-17-0x00000000002B0000-0x00000000002D7000-memory.dmp

                Filesize

                156KB

              • memory/1112-19-0x00000000002B0000-0x00000000002D7000-memory.dmp

                Filesize

                156KB

              • memory/1112-20-0x00000000002B0000-0x00000000002D7000-memory.dmp

                Filesize

                156KB

              • memory/1160-22-0x0000000000140000-0x0000000000167000-memory.dmp

                Filesize

                156KB

              • memory/1160-23-0x0000000000140000-0x0000000000167000-memory.dmp

                Filesize

                156KB

              • memory/1160-24-0x0000000000140000-0x0000000000167000-memory.dmp

                Filesize

                156KB

              • memory/1160-25-0x0000000000140000-0x0000000000167000-memory.dmp

                Filesize

                156KB

              • memory/1196-27-0x0000000002E60000-0x0000000002E87000-memory.dmp

                Filesize

                156KB

              • memory/1196-30-0x0000000002E60000-0x0000000002E87000-memory.dmp

                Filesize

                156KB

              • memory/1196-29-0x0000000002E60000-0x0000000002E87000-memory.dmp

                Filesize

                156KB

              • memory/1196-28-0x0000000002E60000-0x0000000002E87000-memory.dmp

                Filesize

                156KB

              • memory/1612-33-0x0000000001D70000-0x0000000001D97000-memory.dmp

                Filesize

                156KB

              • memory/1612-32-0x0000000001D70000-0x0000000001D97000-memory.dmp

                Filesize

                156KB

              • memory/1612-34-0x0000000001D70000-0x0000000001D97000-memory.dmp

                Filesize

                156KB

              • memory/1612-35-0x0000000001D70000-0x0000000001D97000-memory.dmp

                Filesize

                156KB

              • memory/2088-340-0x0000000000400000-0x0000000000491000-memory.dmp

                Filesize

                580KB

              • memory/2088-14-0x0000000000400000-0x0000000000491000-memory.dmp

                Filesize

                580KB

              • memory/2624-65-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-57-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-40-0x0000000000360000-0x0000000000387000-memory.dmp

                Filesize

                156KB

              • memory/2624-41-0x0000000000360000-0x0000000000387000-memory.dmp

                Filesize

                156KB

              • memory/2624-79-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-77-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-75-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-73-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-71-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-69-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-67-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-38-0x0000000000360000-0x0000000000387000-memory.dmp

                Filesize

                156KB

              • memory/2624-63-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-61-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-59-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-39-0x0000000000360000-0x0000000000387000-memory.dmp

                Filesize

                156KB

              • memory/2624-55-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-53-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-52-0x0000000000400000-0x0000000000491000-memory.dmp

                Filesize

                580KB

              • memory/2624-50-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-48-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-46-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-44-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-42-0x0000000000230000-0x0000000000231000-memory.dmp

                Filesize

                4KB

              • memory/2624-37-0x0000000000360000-0x0000000000387000-memory.dmp

                Filesize

                156KB

              • memory/2624-222-0x0000000000400000-0x0000000000491000-memory.dmp

                Filesize

                580KB

              • memory/2624-2-0x0000000000400000-0x0000000000491000-memory.dmp

                Filesize

                580KB

              • memory/2624-1-0x0000000000400000-0x0000000000491000-memory.dmp

                Filesize

                580KB

              • memory/2624-0-0x0000000000250000-0x0000000000290000-memory.dmp

                Filesize

                256KB