Analysis

  • max time kernel
    93s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2024 16:42

General

  • Target

    d8055948481dae740389fbf37c176180_JaffaCakes118.dll

  • Size

    508KB

  • MD5

    d8055948481dae740389fbf37c176180

  • SHA1

    c378168d7aca6762c1b66450cfedf240fda51ccd

  • SHA256

    469d1bd73783deefe9def00e31ec900dd04b5383efbd0944beec6702e1e9a18d

  • SHA512

    5108dedc13128a44b61569fdfb61e3c88271cbb32b17671e7c06886bc6192da2ec7aedbd46825e3d40940eef853c92e361eb458d405085a1e11d31cb81d552ff

  • SSDEEP

    12288:lV7LMzw56Wx1Dk/qon6xyYhgPFaUVltEy/LrBTI:11oC3yWgPFOy/P9I

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 14 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 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\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8055948481dae740389fbf37c176180_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8055948481dae740389fbf37c176180_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3004
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.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:2544
        • 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:4960
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:4800
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4800 -s 196
                6⤵
                • Program crash
                PID:5068
            • 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:2468
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2468 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3632
            • 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:4100
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4100 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2460
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4800 -ip 4800
      1⤵
        PID:2452

      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

        1f183ce23aead67e14c3472b43109763

        SHA1

        92e55d3557a1fdd6c2eab6282dee7d13134ae9db

        SHA256

        657a1895a158bfb57dce6059274bd063c0273a2421c903bc8978fd3250be3964

        SHA512

        5be76dbf70581a4a703d68ebe460875ef60373f52f39eaf4d65acd3b743d2f382b341dde170349f7001453041f8470091752c80f627633667344b4859848d2c5

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

        Filesize

        404B

        MD5

        b8b77f74571f4af52666751110b3f58e

        SHA1

        678484a0cb84974e35ca9b9ad383886827359eb3

        SHA256

        8a83812ae4c609cd3074597cd0a4e390b4cdc0cdd3070f780eb8577f3ce9a1ba

        SHA512

        1066ade64d6fc0528fc715f673819d38341753cfa946fa213e2ef81240c7d2ea93d3eb131881ecf2050fe75a5153f7ffb0cdb49095cb1ad0fa7fc7785f3a8c1d

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{713C44EF-B583-11EF-A7EA-F6235BFAC6D3}.dat

        Filesize

        5KB

        MD5

        380fab72ec155bc8d583aba7353cce99

        SHA1

        1fe636e5372e0e1a78534c304f44c064fdf34765

        SHA256

        85b1d81df735b92a36926fe54db4008c7a38ef5f058a137ab11db78d949889ac

        SHA512

        45264403edda3416f21208d477e8583731f7f3fa7d7deba6436d812cffbd450c87dbc5e5f9a2f359090a9462310941bfa46126938c2a2546cd66290d064299cd

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{714109ED-B583-11EF-A7EA-F6235BFAC6D3}.dat

        Filesize

        3KB

        MD5

        4e6f17329d5b81ae5efcfc39ae74d170

        SHA1

        fe3c08d01dae90675f604ae0f064ea9b732ab068

        SHA256

        1cc9256e086c5224239eaac06a0f419040addf0a2848c8a273e8da529e29494d

        SHA512

        7740ade6dae7ed5873b4738a6e3ee699958ab7ab374a23e706594c9cf0039b492ce60e784dcdb9e804066885f73f724dc90a8762d9045c79342e1edb8f3c174d

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver1B63.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Windows\SysWOW64\rundll32mgr.exe

        Filesize

        112KB

        MD5

        d991de961bb094d782cdba825249bb59

        SHA1

        695b3ede0c83cfec976b10ec38606ab912a7074b

        SHA256

        9d1853688bce399ed5ef5c8e76dd3ddffa6d15a0b29a9eb11e5746dce781fd9c

        SHA512

        10aca884bd85145ddc64181d21eb97ce837988029261bbe04c6dd0ceb2d12c88e34bba59c80879b7be7857c10ca46478613cce10da32f86aa2e24de3192f6146

      • memory/2544-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2544-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2544-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2544-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2544-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2544-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2544-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2544-10-0x00000000008B0000-0x00000000008B1000-memory.dmp

        Filesize

        4KB

      • memory/2544-5-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/3004-0-0x0000000010000000-0x00000000100B2000-memory.dmp

        Filesize

        712KB

      • memory/4800-35-0x00000000007F0000-0x00000000007F1000-memory.dmp

        Filesize

        4KB

      • memory/4800-34-0x0000000000A10000-0x0000000000A11000-memory.dmp

        Filesize

        4KB

      • memory/4960-31-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/4960-40-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4960-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4960-36-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/4960-41-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4960-38-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4960-37-0x0000000077252000-0x0000000077253000-memory.dmp

        Filesize

        4KB

      • memory/4960-44-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4960-32-0x0000000077252000-0x0000000077253000-memory.dmp

        Filesize

        4KB

      • memory/4960-29-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4960-30-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4960-21-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB