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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/07/2024, 03:31

General

  • Target

    441e3a4bc788dedf60588c7d99dd60d4_JaffaCakes118.dll

  • Size

    124KB

  • MD5

    441e3a4bc788dedf60588c7d99dd60d4

  • SHA1

    ca09b2912f4bc08ee232bfaf59da965be29f1435

  • SHA256

    719ccc6adde36900dea84188f6556181e2fae12418c55ac3e24093b403190767

  • SHA512

    94791332f737b40762dea2a211ad22f448246c13add30845e9c922e4f50c18fb4df18a13dbb9e835d6307a9643e26e4fa27fb78279a9e7c8d5dac1b1c34e549b

  • SSDEEP

    3072:Z61Ye3TaEu2CoCcn3zO7A4D8XHqhpiNeiIi+l1UUzGh0wf:ATa12CoCckAe8iicx6mGl

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 2 IoCs
  • 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\441e3a4bc788dedf60588c7d99dd60d4_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4996
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\441e3a4bc788dedf60588c7d99dd60d4_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:936
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:1196
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:3664
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:1496
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1496 -s 204
                6⤵
                • Program crash
                PID:3952
            • 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:2444
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2444 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3572
            • 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:4972
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4972 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3332
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 608
          3⤵
          • Program crash
          PID:1040
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 936 -ip 936
      1⤵
        PID:1512
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1496 -ip 1496
        1⤵
          PID:1644

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{8C915B81-4191-11EF-A174-EEBB2D38B7CC}.dat

          Filesize

          5KB

          MD5

          f335a4b5933de11d15e81d9c9d570af4

          SHA1

          29ec078ee6b2a685f006e1a1b974d82fc2b852e4

          SHA256

          36f7e08aaa9ba6e901f921bd7ae2f1e9234d4de518fa6041319f3cea0a46336d

          SHA512

          41294abe1f4907e1d2b815e6e65fb8f36ae5a5ccf1500e401ece3e49bba91c2dad99dbd29b2d2e32d502277f59dccbc133981fc41db155b618a39d7d98339b92

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{8C918291-4191-11EF-A174-EEBB2D38B7CC}.dat

          Filesize

          3KB

          MD5

          5fe434818726e11e29222ed9aa3a3ae7

          SHA1

          41bd62b06f789790991b55817f51485f793313ed

          SHA256

          be08fbdd1fcbb9ff1282a6170fd7b104559b94898e4551df9149bf5c250e0f01

          SHA512

          19732355e5cb472f89368f61083d90558a63dae897f7ca6110b334dac04b194dbdc63446eaf5c3f65113000faecc28201a34c5eef0d42c20278f9c0edd7a7ec6

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verE05E.tmp

          Filesize

          15KB

          MD5

          1a545d0052b581fbb2ab4c52133846bc

          SHA1

          62f3266a9b9925cd6d98658b92adec673cbe3dd3

          SHA256

          557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

          SHA512

          bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\5G8JI3LV\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Windows\SysWOW64\rundll32mgr.exe

          Filesize

          59KB

          MD5

          0e0f0ae845d89c22bb6385f64a6b85fd

          SHA1

          0f3f1e7f18ab81572c5ce938d3880d4a5d7100ac

          SHA256

          5a5b85c582d5d4b3b912ee6789babebf8ae6d87330d0d33d87274841952899dd

          SHA512

          baec989a6329a2a60d954e83279fd57ba2000f8ed79e7a02d145bf44a5bffcd9a831c63f4b7d44e40c51e40b1dfbe72c5cebac04d0ce7b2295e3fd191b122350

        • memory/936-33-0x000000006D100000-0x000000006D11F000-memory.dmp

          Filesize

          124KB

        • memory/936-1-0x000000006D100000-0x000000006D11F000-memory.dmp

          Filesize

          124KB

        • memory/1196-6-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1196-13-0x00000000001F0000-0x00000000001F1000-memory.dmp

          Filesize

          4KB

        • memory/1196-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1196-17-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1196-9-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1196-10-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1196-5-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1196-8-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1196-7-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1496-32-0x00000000006E0000-0x00000000006E1000-memory.dmp

          Filesize

          4KB

        • memory/1496-31-0x0000000000700000-0x0000000000701000-memory.dmp

          Filesize

          4KB

        • memory/3664-29-0x00000000770A2000-0x00000000770A3000-memory.dmp

          Filesize

          4KB

        • memory/3664-35-0x00000000770A2000-0x00000000770A3000-memory.dmp

          Filesize

          4KB

        • memory/3664-34-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/3664-26-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3664-38-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3664-27-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/3664-28-0x0000000000060000-0x0000000000061000-memory.dmp

          Filesize

          4KB