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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • 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, 23:00

General

  • Target

    JaffaCakes118_612a2386c55501842c6e56dbda4efa0a.dll

  • Size

    276KB

  • MD5

    612a2386c55501842c6e56dbda4efa0a

  • SHA1

    685eaefa54f9afa2488bdef4299a22e4344527a1

  • SHA256

    4c45106de3ed32c285b016fdd2aa38f3ce2e6bdd66e4fde309464ecd03c21778

  • SHA512

    ecd79e250ebae5eef6dd03b125e9f038509b135a00fd464d95bf62be546e7b0d7afe5eb4f33393dbe974c859d353d46545e96f19c2c87a89e8cf188dde2cd4cf

  • SSDEEP

    3072:5dcQ2ZNMSQvbajUTUItjT68+xQmWoBvxs2cKSH/03dSWsGNbhSR+DqAtY6:5ATSOjUQKJotC2crf03BsYbha8J5

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 13 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\JaffaCakes118_612a2386c55501842c6e56dbda4efa0a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_612a2386c55501842c6e56dbda4efa0a.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5108
      • 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:2920
        • 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:2212
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:2740
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 204
                6⤵
                • Program crash
                PID:4080
            • 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:4844
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4844 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4500
            • 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:5112
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5112 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2948
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2740 -ip 2740
      1⤵
        PID:264

      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

        30f59b20e935520badc298242cb4cff1

        SHA1

        00622b2054eb148a8459c2ccd0b22606c2d5c7f6

        SHA256

        4a981d199e551f2b8c8fa22f0e3fbc264e876e5ed243d83331b2a6083a753e3c

        SHA512

        f22ca09eb3266cee3f363e4f3f955745382679d136d61e7c27f81081cd77efa5f82f82220526928f73049e692b7c060f64032dfae0f967c579c6e6acfd2e8d21

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

        Filesize

        404B

        MD5

        9434f19d09511a1404a0648f6bdb5b64

        SHA1

        0dc3ec519b99b071e2a07a00f42508250a3f389d

        SHA256

        0030c677c340473cd4bac0fca906800cfadaadfb4a010cd82fa8442f3556b7eb

        SHA512

        b46e57df26739b2d2396909587804b529d6b0235ca5c543cce86b3d507641611e9ee1db6057189566ff1a64d925b1bd83afb5b48085f723e7917ed0b58b598f4

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{2B28737F-C894-11EF-9361-FA9F886F8D04}.dat

        Filesize

        5KB

        MD5

        14333e8e425eae177cf77ec9cc16c728

        SHA1

        17b30451c24cd9c98c958c1d5dd1cb6ccce72616

        SHA256

        b8b616f1ad460fd971637805dfd51979dae72fa5d07c3d39fc676088a5a969ee

        SHA512

        add1fbe74a835e7e5fb89d52ba264ed5e8e1cdb1c79161822105142bd2a98e003c55f0382282fd34dc6d04593ff8a2011e5281e5279b17778a67efd520de163b

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{2B2AD621-C894-11EF-9361-FA9F886F8D04}.dat

        Filesize

        3KB

        MD5

        3dfb72619071894352c081e1888f5d80

        SHA1

        fa708109f66b2407eda626a5c681621616e1f48e

        SHA256

        5c3c3245a4c8d19c121e4b5c7478e72e6b6b3e7fbe028679772e1ae607265b78

        SHA512

        2b441301f7a0711fb91077638eee85cf04409ea03cf047b1f966ace23e4206ce092be719b1ddd83b54e9059f2ca3b7d408960017f2b8d60f70800992d39ff903

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verF52D.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Windows\SysWOW64\rundll32mgr.exe

        Filesize

        123KB

        MD5

        bfeab24969e80e4fd4362b05f5c54554

        SHA1

        bc2365f8bc9163e0f327e11541e0462395a879ac

        SHA256

        cc900fe27a79e792b7b2547191b65dbadb550b02b1b42d072c06d73096185206

        SHA512

        4c658ed109aa774121820af99c16417c71a2adf0117446ea898ceb2a5e86bd61c0b758023bd0ab33e13c2d91c7c60cb9e5ea26a2d969257c6d26909dbb9da259

      • memory/2212-39-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/2212-23-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2212-45-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2212-43-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2212-40-0x0000000077102000-0x0000000077103000-memory.dmp

        Filesize

        4KB

      • memory/2212-41-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2212-24-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2212-31-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2212-33-0x0000000077102000-0x0000000077103000-memory.dmp

        Filesize

        4KB

      • memory/2212-32-0x0000000000890000-0x0000000000891000-memory.dmp

        Filesize

        4KB

      • memory/2212-38-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/2212-35-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2740-37-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2740-36-0x0000000000410000-0x0000000000411000-memory.dmp

        Filesize

        4KB

      • memory/2920-12-0x00000000008B0000-0x00000000008B1000-memory.dmp

        Filesize

        4KB

      • memory/2920-22-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/2920-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2920-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2920-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2920-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2920-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2920-16-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2920-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2920-6-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/2920-5-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/5108-0-0x0000000010000000-0x0000000010047000-memory.dmp

        Filesize

        284KB