Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-01-2025 21:17

General

  • Target

    JaffaCakes118_82300aca9b663458789a387288392a9a.exe

  • Size

    184KB

  • MD5

    82300aca9b663458789a387288392a9a

  • SHA1

    811ee1745e2d06d529d42f3b981333210c860c98

  • SHA256

    24055f919b7a34f7d9589037fe8335f489f33322f486816d8e699f50f715f472

  • SHA512

    86d53b9ac01a1db801c63a99cd5e59f0a38d877d279e6927ef8eb0bb0f062647b7866c2892a0f92227a84a923b7728d00ed5a731d738b691aa252bb3ebe7b4da

  • SSDEEP

    1536:gVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:QnxwgxgfR/DVG7wBpE

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 1 IoCs
  • UPX packed file 11 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • 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 Internet Explorer settings 1 TTPs 45 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_82300aca9b663458789a387288392a9a.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_82300aca9b663458789a387288392a9a.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4276
    • C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4984
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:3508
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3508 -s 84
            4⤵
            • Program crash
            PID:4196
        • 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:2004
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2004 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2512
        • 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:1292
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1292 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3508 -ip 3508
      1⤵
        PID:2928

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Microsoft\WaterMark.exe

        Filesize

        184KB

        MD5

        82300aca9b663458789a387288392a9a

        SHA1

        811ee1745e2d06d529d42f3b981333210c860c98

        SHA256

        24055f919b7a34f7d9589037fe8335f489f33322f486816d8e699f50f715f472

        SHA512

        86d53b9ac01a1db801c63a99cd5e59f0a38d877d279e6927ef8eb0bb0f062647b7866c2892a0f92227a84a923b7728d00ed5a731d738b691aa252bb3ebe7b4da

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

        Filesize

        471B

        MD5

        4363732b094e06ea613be8ca268f5460

        SHA1

        ad4d6ca8f2362a24800a1f752f99d7c55c0ce862

        SHA256

        0bc53d2e4ba5d43da581d2eda05c56f2c3a93407b3d35c8d630507c0fb81a21d

        SHA512

        b5c075fbcbead37980c28e3e8745339445d1e5bc4c873ca70995012c72f09dd1f4cd315faf02589be84fd6b7683673836df8d228cd94e6e6c3e3659081af4c99

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

        Filesize

        404B

        MD5

        9e90dc2f542858f5a83808af99f46031

        SHA1

        7cdf646710d201771f15c695b8cb050298642444

        SHA256

        ed206d14a8a00dab3c4cd68948af3218fd8f9a2ccbad18eef6223fa1bbfff1fe

        SHA512

        d85086f735e5c3b6ced698b4c5e6ca2f2a6abf2e598e04403f3f14d31c6e817d79c569570d0a603c39f413d286e30f3c4bd54fa2b2d35b71fd7cfcb5b9a48f46

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

        Filesize

        404B

        MD5

        34d6c683c39043adc5ba267cc6937d02

        SHA1

        219beccdaebe6d66f583796070a9f39055a81f53

        SHA256

        ec1dde91ceecc9fe140b1a3f67680f64fda51a2be975ee5860780408cc948215

        SHA512

        487616059bd756f55e4fa6ec3253fdf7cef8e2926e982f5120df74904f69498f6ed40153a84158b3fff4623870e4254ef56470f40a9dbdefcacedb929a958f3b

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{54260F9E-D63D-11EF-BEF1-FA9F886F8D04}.dat

        Filesize

        5KB

        MD5

        95ea20599b1c33a2c29bba90e448a21c

        SHA1

        e471817c26c46a0870f29aa6ad627d3f652fbb17

        SHA256

        d18dec9ace8eaa9abe98f584507c43a89e06309f9ca272cd1f62d64a9c6b5ba1

        SHA512

        049246a104487b5e0160bd59509d6d9871ed070d0fe90326c6505d371b9966979dda6fee522a75d2b8b96b75627251abcbf18f2a404e5369ca26f8aa329e1049

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{542871FD-D63D-11EF-BEF1-FA9F886F8D04}.dat

        Filesize

        4KB

        MD5

        6eaeb48ccf915f8e14a8fadbfb9492e1

        SHA1

        35e114f135ce2d32ba86dce494128d5e7ee97fa4

        SHA256

        afe91443aa207a50605da5cbcff6052e0b671f8e5f7447922dc8c8463f8feca4

        SHA512

        8b77a1dfe9767d80407012c26e9fbf066e7278c2f0d0ed5873df70541f7b6c13544680a457c2386c9fbd44e4209ebc16c8c28dd8294adc2ff044fe7068d83f8c

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/3508-31-0x0000000000C60000-0x0000000000C61000-memory.dmp

        Filesize

        4KB

      • memory/3508-30-0x0000000000C80000-0x0000000000C81000-memory.dmp

        Filesize

        4KB

      • memory/4276-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4276-0-0x0000000000400000-0x0000000000477000-memory.dmp

        Filesize

        476KB

      • memory/4276-2-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4276-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB

      • memory/4276-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4276-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4276-7-0x0000000000940000-0x0000000000941000-memory.dmp

        Filesize

        4KB

      • memory/4276-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4276-6-0x0000000000400000-0x0000000000477000-memory.dmp

        Filesize

        476KB

      • memory/4276-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4276-16-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4984-25-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4984-33-0x0000000077DD2000-0x0000000077DD3000-memory.dmp

        Filesize

        4KB

      • memory/4984-34-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4984-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4984-32-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4984-28-0x0000000077DD2000-0x0000000077DD3000-memory.dmp

        Filesize

        4KB

      • memory/4984-27-0x0000000000470000-0x0000000000471000-memory.dmp

        Filesize

        4KB

      • memory/4984-26-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB