Analysis

  • max time kernel
    120s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13/06/2024, 12:33

General

  • Target
    a58eac12dca22c9cbbc9523f8583836b_JaffaCakes118.html
  • Size 347KB
  • Sample240613-prdrcsyfja
  • SHA256 67ac421cb76c871ff3d71862b0d021b2bc4483e076e5999f2957f7fbc47508f9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 6 IoCs

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

  • Drops file in Program Files directory 7 IoCs
  • Modifies Internet Explorer settings 1 TTPs 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SetWindowsHookEx 18 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\a58eac12dca22c9cbbc9523f8583836b_JaffaCakes118.html
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:756 CREDAT:275457 /prefetch:2
      2⤵
      • Loads dropped DLL
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2620
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • Suspicious use of WriteProcessMemory
        PID:2552
        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2560
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            5⤵
              PID:2700
        • C:\Users\Admin\AppData\Local\Temp\svchost.exe
          "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
          3⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2480
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:2504
          • C:\Users\Admin\AppData\Local\Temp\svchost.exe
            "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
            3⤵
            • Executes dropped EXE
            • Drops file in Program Files directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:1656
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              4⤵
                PID:2948
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:756 CREDAT:209930 /prefetch:2
            2⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2628
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:756 CREDAT:6501379 /prefetch:2
            2⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2764
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:756 CREDAT:406540 /prefetch:2
            2⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1712

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              DesktopLayer.exe

              • Path C:\Program Files (x86)\Microsoft\DesktopLayer.exe
              • Size 55KB
              • SHA256 d1a57e19ddb9892e423248cc8ff0c4b1211d22e1ccad6111fcac218290f246f0
              • MD5 SHA1 SHA512 SSDEEP

              94308059B57B3142E455B38A6EB92015

              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
              • Size 342B
              • SHA256 0f4b0288f56069c6999c3f3d95dcb9d34e7641113d5d7477e7b8ad8aa898ae11
              • MD5 SHA1 SHA512

              94308059B57B3142E455B38A6EB92015

              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
              • Size 342B
              • SHA256 faf84b99378d65327efc5b1560a36e476f3efebffb6f9ae13fc7cd96eec59d8a
              • MD5 SHA1 SHA512

              94308059B57B3142E455B38A6EB92015

              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
              • Size 342B
              • SHA256 fdd947ef9b308816bb21b724dbdd6900c0b4400a0845be9300ea9c8589b7d6ee
              • MD5 SHA1 SHA512

              94308059B57B3142E455B38A6EB92015

              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
              • Size 342B
              • SHA256 fd0fef00fc6ea05a46d3aab13fba480094db68b271c4e3e71627549019ea93ed
              • MD5 SHA1 SHA512

              94308059B57B3142E455B38A6EB92015

              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
              • Size 342B
              • SHA256 3bc8344a760ca0d575785687ae75efc76064fc969b810df084d91460b267bfb5
              • MD5 SHA1 SHA512

              94308059B57B3142E455B38A6EB92015

              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
              • Size 342B
              • SHA256 e421e91e06b98507af8149ee5714adb3bc7a009443b33c4c7be22d8b1093173f
              • MD5 SHA1 SHA512

              94308059B57B3142E455B38A6EB92015

              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
              • Size 342B
              • SHA256 91665e8ebf9cbd32d4181cc2a01bd3e68f7f709b65b9e9dfe2d9c874706ab96c
              • MD5 SHA1 SHA512

              94308059B57B3142E455B38A6EB92015

              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
              • Size 342B
              • SHA256 dfe1cb14bfaf420669ab7b6c426de5e5dfcfeb2d983040b9c13363a595bc883d
              • MD5 SHA1 SHA512

              94308059B57B3142E455B38A6EB92015

              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
              • Size 342B
              • SHA256 ee5321cdfe570c3bd3c84d05be6d59946307a626b215b3c190d4c7fd4931724b
              • MD5 SHA1 SHA512

              Cab1E3C.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\Cab1E3C.tmp
              • Size 65KB
              • SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
              • MD5 SHA1 SHA512 SSDEEP

              Cab1F57.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\Cab1F57.tmp
              • Size 70KB
              • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
              • MD5 SHA1 SHA512 SSDEEP

              Tar1F6C.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\Tar1F6C.tmp
              • Size 181KB
              • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
              • MD5 SHA1 SHA512 SSDEEP

              memory/2480-25-0x0000000000400000-0x000000000042E000-memory.dmp

              memory/2480-22-0x0000000000230000-0x000000000023F000-memory.dmp

              memory/2480-23-0x0000000000400000-0x000000000042E000-memory.dmp

              memory/2480-20-0x0000000000400000-0x000000000042E000-memory.dmp

              memory/2552-12-0x0000000000400000-0x000000000042E000-memory.dmp

              memory/2560-17-0x0000000000400000-0x000000000042E000-memory.dmp

              memory/2560-15-0x0000000000240000-0x0000000000241000-memory.dmp