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Analysis

  • max time kernel
    95s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/09/2024, 11:26

General

  • Target

    de3ff065ec4de0d5cd9a079d84c64703_JaffaCakes118.dll

  • Size

    166KB

  • MD5

    de3ff065ec4de0d5cd9a079d84c64703

  • SHA1

    d4ee36dc03ff3af1e1fd294ffdb3c62cd449ec87

  • SHA256

    21e71438dd2e8319feaf1bd939144c062eea9cd2c1ba495cfad836b6275adb35

  • SHA512

    cb70729197fe8048ac0d8721dbfd4adc2f364135d45529b9372b12ce1f36d9efb26e41462f638a1f9411628c8a58850c36a2bf53153afe9d74e6dcef1f1fbaab

  • SSDEEP

    1536:K5lTUKCYmCgV5bT/2d1QYelTUvUxTp/WU4vBHIJ79b5DT13x1RPZxkhp:ETU56gVxj27NedUvUXeUm07D3vfPU

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 11 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 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 28 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\de3ff065ec4de0d5cd9a079d84c64703_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4780
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\de3ff065ec4de0d5cd9a079d84c64703_JaffaCakes118.dll
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4456
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:2752
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • 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:4676
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:436
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 436 -s 204
                6⤵
                • Program crash
                PID:456
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:5088
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5088 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4460
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:4180
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4180 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 436 -ip 436
      1⤵
        PID:4016

      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

        84231e6b703a4b64fa601076af9e016a

        SHA1

        210e330be937e617085d28bf356c990a49dce0a5

        SHA256

        e10b7b5f4f3291d340cebafd2d87bbec8689ffb1750a813a2887b6cd31ce61b3

        SHA512

        e13fcb1e344dbd4cd9429faa51f61615ce602908e3eabb7ae9190e745f38747b62b563ca9c0c71abecff1fc398afd2652d32ec37511061d2dff2356aaad0b8d4

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

        Filesize

        404B

        MD5

        825ff030eea63c2390c7452ad1bf6d08

        SHA1

        92fb98cd05d60c0f30733b44c794be1919b694b8

        SHA256

        f6e2873703ac41863399a1da649e41756683d591c4765f51d749ee24addae0e6

        SHA512

        9b83f70be7680bf6ff8db59de8036f53933125243ee3652f0d98619e9c0a27073064ac58d5283c729d7af6f29c37c224c16ba6759494a79ae139db8256897513

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{116A70AA-71C3-11EF-BB4F-5E50324ADEFE}.dat

        Filesize

        5KB

        MD5

        15a8aeb9c9a69342537175ccd1b9b6ac

        SHA1

        ef0e67d05c03920e510dec35cceedf12b51fb085

        SHA256

        7e41aa78bbbd303773713e9ada22e06dc98558f53071b9df65400ad768832147

        SHA512

        d3d226efcd310f4b9209c3dc582f73c0cbaa72a48657fd9e3df3e8d0b57519fb6cd5b9d8775323f67520d09cdba721c41920c1ae8347b33f67c1fa0dab2b096f

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{116F3497-71C3-11EF-BB4F-5E50324ADEFE}.dat

        Filesize

        3KB

        MD5

        e677e510705ee075ab50a5b791c370b4

        SHA1

        2d2785e52424f66006cc9fe7ddacf0d33e0d0384

        SHA256

        e947d5488a47af4c2ec35741ac34861ab3fb511ea34e34311ec15423ba1163d2

        SHA512

        0ccc2478b24950760e97182bc247a65d47a73432d0379532365cd702aac005316a3a6e5c93cc45334b9735456107d06a684dd498464cb64237a86f7f3d71077c

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verF685.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\O8WYVOD7\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Windows\SysWOW64\regsvr32mgr.exe

        Filesize

        96KB

        MD5

        8c51fd9d6daa7b6137634de19a49452c

        SHA1

        db2a11cca434bacad2bf42adeecae38e99cf64f8

        SHA256

        528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3

        SHA512

        b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837

      • memory/436-35-0x0000000000820000-0x0000000000821000-memory.dmp

        Filesize

        4KB

      • memory/436-34-0x0000000000840000-0x0000000000841000-memory.dmp

        Filesize

        4KB

      • memory/2752-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2752-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2752-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2752-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2752-6-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/2752-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2752-11-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2752-21-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/2752-15-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2752-12-0x0000000000900000-0x0000000000901000-memory.dmp

        Filesize

        4KB

      • memory/2752-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2752-5-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4456-0-0x0000000074B20000-0x0000000074B4C000-memory.dmp

        Filesize

        176KB

      • memory/4676-30-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4676-40-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4676-37-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4676-42-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4676-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4676-36-0x0000000077172000-0x0000000077173000-memory.dmp

        Filesize

        4KB

      • memory/4676-31-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/4676-32-0x0000000077172000-0x0000000077173000-memory.dmp

        Filesize

        4KB