Analysis

  • max time kernel
    93s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2025 12:28

General

  • Target

    JaffaCakes118_21695aa062df501dc2ddc91b69c42971.exe

  • Size

    141KB

  • MD5

    21695aa062df501dc2ddc91b69c42971

  • SHA1

    454f39077d0e9224af0ebd446c44ac60df089874

  • SHA256

    d135ead8d393f108c0c1cb67fc64bf028115d86792fc80459266216d4dac3020

  • SHA512

    0893e529e493186ab56f4d9cdaa7141f65f272d6e9f20e1519135f8c166e4558810d59450dacd2ae714d058e1fec6a087f0c9239fd5dbfbd6aae3fd801e51221

  • SSDEEP

    3072:I4qG0nUuHumNBgHUq8fhFaaHw7Koj4rtpga7yPnl0GRkfDkM4kqBC9TwrnsPXK4j:9qG0UEuABg8xgLg

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • UAC bypass 3 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21695aa062df501dc2ddc91b69c42971.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21695aa062df501dc2ddc91b69c42971.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3716
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:4932
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4932 -s 84
          3⤵
          • Program crash
          PID:1080
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2496
        • C:\Program Files\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2128
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2128 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4872
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2128 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3580
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:4056
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 204
            3⤵
            • Program crash
            PID:2812
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2904
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:4584
        • C:\Users\Admin\AppData\Local\Temp\jcttdkdsegucdbcg.exe
          "C:\Users\Admin\AppData\Local\Temp\jcttdkdsegucdbcg.exe" elevate
          2⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2772
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\jcttdkdsegucdbcg.exe"" admin
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2912
            • C:\Users\Admin\AppData\Local\Temp\jcttdkdsegucdbcg.exe
              "C:\Users\Admin\AppData\Local\Temp\jcttdkdsegucdbcg.exe" admin
              4⤵
              • UAC bypass
              • Executes dropped EXE
              • Checks whether UAC is enabled
              • Suspicious use of AdjustPrivilegeToken
              • System policy modification
              PID:2592
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4932 -ip 4932
        1⤵
          PID:4688
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4056 -ip 4056
          1⤵
            PID:3960

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

            Filesize

            471B

            MD5

            ce36378334f2edb4e728e0632afebb70

            SHA1

            89d54efcb8c7bbe532e5ad91b38468279d3f5c93

            SHA256

            6be47a3ecfbf81a123c297ee65d70177b4010bfbe728b94b4337453683b9a6e1

            SHA512

            3e09cc9ece1907c072f02f768ec749ceef3b8913f394bb075b1948d0409b7910670b91da7d35160c211d0bf8df05e83409a1ad7493ea53864c41f37305f75aa2

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

            Filesize

            404B

            MD5

            2f0f0a07278504a6414bc907f946d11c

            SHA1

            2746bdd566fe47c495c8ff0bf1f72cea3b506144

            SHA256

            31d03f889869c49fe093c7d9dcd73519a7e54aea6b2d5c29ea1b7ab63cc6ccba

            SHA512

            d9d43430872adb1282575904689d384e63ca42a7b24fc5815d19c964d82fd8aad88f463d3a8ce6c9b23991fe79945401764121685010ef66293d82746a28bf49

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

          • C:\Users\Admin\AppData\Local\Temp\jcttdkdsegucdbcg.exe

            Filesize

            141KB

            MD5

            21695aa062df501dc2ddc91b69c42971

            SHA1

            454f39077d0e9224af0ebd446c44ac60df089874

            SHA256

            d135ead8d393f108c0c1cb67fc64bf028115d86792fc80459266216d4dac3020

            SHA512

            0893e529e493186ab56f4d9cdaa7141f65f272d6e9f20e1519135f8c166e4558810d59450dacd2ae714d058e1fec6a087f0c9239fd5dbfbd6aae3fd801e51221

          • memory/2592-37-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/2592-33-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/2772-30-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/3716-15-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/3716-14-0x0000000077172000-0x0000000077173000-memory.dmp

            Filesize

            4KB

          • memory/3716-10-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/3716-0-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/3716-16-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/3716-17-0x0000000077172000-0x0000000077173000-memory.dmp

            Filesize

            4KB

          • memory/3716-8-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/3716-5-0x0000000020010000-0x000000002001C000-memory.dmp

            Filesize

            48KB

          • memory/3716-2-0x00000000004E0000-0x00000000004E1000-memory.dmp

            Filesize

            4KB

          • memory/3716-4-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/3716-3-0x00000000004F0000-0x00000000004F1000-memory.dmp

            Filesize

            4KB

          • memory/4932-7-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

            Filesize

            4KB

          • memory/4932-6-0x0000000001040000-0x0000000001041000-memory.dmp

            Filesize

            4KB