Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 02:51

General

  • Target

    JaffaCakes118_448810656c83a28d55e665f2746afa50.dll

  • Size

    412KB

  • MD5

    448810656c83a28d55e665f2746afa50

  • SHA1

    bc90fc2b65483c3b663695d55c3feb41ad0519ce

  • SHA256

    5e2f3532cae55113db73c91413e3fcc1f66b2113930b1b78308b7780ae0a1e18

  • SHA512

    6712656e3303393574f0aed35b1ae87552d240ffab7f038c55176b722d9f21cb8e9a45067b537bf2c01485c4a56392f1aa5c404a62f43823f79a9d218b5c5d54

  • SSDEEP

    6144:/F4j6ruFn5FPV6gfWV+fP8EMs2Lat9fnz8q69Ah5Y7uSNa:kXV9WV+x2uD692bR

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • UPX packed file 11 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Program crash 1 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 51 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_448810656c83a28d55e665f2746afa50.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4980
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_448810656c83a28d55e665f2746afa50.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3192
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1096
        • C:\Windows\SysWOW64\rundll32mgrSrv.exe
          C:\Windows\SysWOW64\rundll32mgrSrv.exe
          4⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3060
          • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
            "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:1632
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              6⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:1428
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1428 CREDAT:17410 /prefetch:2
                7⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3244
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 528
          4⤵
          • Program crash
          PID:3652
      • C:\Windows\SysWOW64\rundll32Srv.exe
        C:\Windows\SysWOW64\rundll32Srv.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4016
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:772
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:772 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4992
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1096 -ip 1096
    1⤵
      PID:476

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      471B

      MD5

      febff5e5b64433316ee5f116c5c14309

      SHA1

      55a533777edeed0d18304f073d59d5ca1e5c7737

      SHA256

      888dd735b3cf97e714243c7ecf44064128c4a97452b90ebbc66e317a113ef9a4

      SHA512

      cbadeca5bbd2528b4af7ad6d053483adac27db83bfcd8b75312a5aa4b09302f729b67a04bbb9af840cb3abd78ec668b5a6c8746685ba0f15780b5e0ea3dd88d8

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

      Filesize

      404B

      MD5

      5155b6487ef8dc4cf9f93e0a06675f12

      SHA1

      8df1928b32a9830997f377ec25ba384d78de4137

      SHA256

      b51dfc830784ee9b111f3a9447f28ac587ac844504a4924ba22d1663e64079d8

      SHA512

      c3e5933dc1075b67748f05d8cdb9b761163a22d250244c743efac9c5f2aaf7bf81623d5718f378a07066d7bed4bff67ba7f9bcea7801af47bb7a7308becb5d21

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

      Filesize

      404B

      MD5

      eb93c36ce0946680a9da2ba4a486ab79

      SHA1

      9562b3bce031845c391024be1f3b309eff3d6d41

      SHA256

      b1e3d766c22ac0553c7ef364670eb7d049e3e276095863db52bd95d5b2ada3f4

      SHA512

      1c94b441ab03061aa1770a0f66864ef5617a7e1f5eec9c20754e6f579570fba5fb95ac6f4fec66683ca5322d707505f5dd97a5cb394198bfd5da05d697559927

    • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{51CBCD21-C7EB-11EF-A4B7-DEEFF298442C}.dat

      Filesize

      5KB

      MD5

      de6eb28f92983801cdd8bf7b2ebee9ec

      SHA1

      8fb1cbb65f5259f487700a0a19cac1781b3b7462

      SHA256

      5519ca4f57bdc5ede90ca6970791d6cb791994c40eff6bdde443bf3c6b22482c

      SHA512

      975728f18590b5c9e3d3fcf1b80564ab647eb43b3ed5a4005fd78048a455f9ebac1ef60e522f15c2d79bcff6b9f55e2c22c8500305f354ba62e86b7912d4f577

    • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{51D09262-C7EB-11EF-A4B7-DEEFF298442C}.dat

      Filesize

      3KB

      MD5

      10bf9d61e76a8967fe4a2734d2d4304f

      SHA1

      2f56a159af8cec25058d8e3cc0c2361db57eb6f3

      SHA256

      3f04cb52f8892b061f1306321de8203578f51adb517b332e87fccf744b3b4546

      SHA512

      10108610061fcdb38a0240bf7f5482f2ca9d73101c2fb9059a2a15e6c5453a6ee2981acc7cc6daf457af81386f6b3c1329c399239d890a4893b4371c1f57bef5

    • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver654.tmp

      Filesize

      15KB

      MD5

      1a545d0052b581fbb2ab4c52133846bc

      SHA1

      62f3266a9b9925cd6d98658b92adec673cbe3dd3

      SHA256

      557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

      SHA512

      bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P2UT3MS5\suggestions[1].en-US

      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • C:\Windows\SysWOW64\rundll32Srv.exe

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • C:\Windows\SysWOW64\rundll32mgr.exe

      Filesize

      240KB

      MD5

      81de7673d176e11ce6e4c3de1349af2a

      SHA1

      bc34967b16a4fa64996afbea7819272e20014bc9

      SHA256

      1203b8068e988001ed03100f551f5f11462e41222edfc8236a434dfeb833b7ab

      SHA512

      0e39ca2995cb68c00316a34f3167e822bb5982e938797a27c0516ef1f99d534949f7a1c011aceac21f5dd9ba473136ccd2021735bd329dcb2d7382fbc2532937

    • memory/1096-5-0x0000000000400000-0x000000000048F000-memory.dmp

      Filesize

      572KB

    • memory/1096-29-0x0000000000400000-0x000000000048F000-memory.dmp

      Filesize

      572KB

    • memory/1632-27-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1632-25-0x0000000000450000-0x0000000000451000-memory.dmp

      Filesize

      4KB

    • memory/1632-30-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/3060-19-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/3060-14-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/3060-16-0x0000000000480000-0x000000000048F000-memory.dmp

      Filesize

      60KB

    • memory/3192-0-0x0000000010000000-0x0000000010068000-memory.dmp

      Filesize

      416KB

    • memory/4016-15-0x0000000000660000-0x000000000066F000-memory.dmp

      Filesize

      60KB

    • memory/4016-21-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/4016-22-0x00000000023A0000-0x00000000023A1000-memory.dmp

      Filesize

      4KB

    • memory/4016-26-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/4016-10-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB