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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/08/2024, 20:28

General

  • Target

    a8193f69e17072567a33c705736ca2eb_JaffaCakes118.dll

  • Size

    193KB

  • MD5

    a8193f69e17072567a33c705736ca2eb

  • SHA1

    3806fc878762741ca4fe0546d08f70b4362fb8b2

  • SHA256

    04d637e4a927cce304e84a3c9be5fd5fd358d8e6860f9e9ee023d227a152e9c9

  • SHA512

    d4e0e437d993d4155b8631dfd71fe42a746c7c7bc5855a05ee2d822de052818fb343bb729ef16168a16917edc7b0fc50e58ec5e3787df97512212fe0f29185ae

  • SSDEEP

    3072:M73MITL/9oSmkbx3ZtffjBTnIwanLMMgVr9kYaQBqaFM2oVhyAn1+T:adTpountf75IwkJgVrwwM2uf1U

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 13 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 55 IoCs
  • Modifies registry class 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 28 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a8193f69e17072567a33c705736ca2eb_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\a8193f69e17072567a33c705736ca2eb_JaffaCakes118.dll
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3788
      • 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:2416
        • 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:4820
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:3560
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 208
                6⤵
                • Program crash
                PID:4756
            • 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:2616
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2616 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4188
            • 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:1900
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1900 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:5040
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 3560 -ip 3560
      1⤵
        PID:4192

      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.{5FD9F9BE-5DA0-11EF-BFD9-FA5B96DB06CB}.dat

        Filesize

        3KB

        MD5

        aa30120bca2f21c74b651752307c3a43

        SHA1

        3786626f517a7258985fdbfe183d9acc7bd72b89

        SHA256

        11533b2858a326393250e4923655ac68b2782082f53ba6e0cfa09da69a201087

        SHA512

        79c04d5a595b10e0ede64da5180935e08810896ac93f259025eeb94e550701f24c2747261558203b8893544a2c383bad45664981b5dfd91563f8507b57d2c805

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{5FDC5C72-5DA0-11EF-BFD9-FA5B96DB06CB}.dat

        Filesize

        5KB

        MD5

        212fb33bbd41d7a276cf4f485e54bc40

        SHA1

        778379b927b97acf8ecdc828068d8d4f7eb69f90

        SHA256

        3c46ab2e4e24c4f4bb7df9b65b2fe484e02b98b02508e3cefbc9f4bea564e9e0

        SHA512

        558c8aaa5ec1269a56bcb9321b01d57ffa6c6c3447ddff0a34978b6ec38e62d8cdd354d7b1c3b78d1245dc1b68d572e40b03db12d1e2ca9d97442a0bec39eb95

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver635.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\WLXU5DI6\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/2416-15-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2416-7-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2416-22-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/2416-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2416-12-0x0000000001A90000-0x0000000001A91000-memory.dmp

        Filesize

        4KB

      • memory/2416-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2416-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2416-17-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2416-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2416-4-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2416-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2416-6-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/3560-35-0x0000000000420000-0x0000000000421000-memory.dmp

        Filesize

        4KB

      • memory/3560-36-0x0000000000400000-0x0000000000401000-memory.dmp

        Filesize

        4KB

      • memory/3788-0-0x00000000748D0000-0x0000000074903000-memory.dmp

        Filesize

        204KB

      • memory/4820-30-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4820-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4820-37-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4820-40-0x0000000076F32000-0x0000000076F33000-memory.dmp

        Filesize

        4KB

      • memory/4820-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4820-33-0x0000000076F32000-0x0000000076F33000-memory.dmp

        Filesize

        4KB

      • memory/4820-32-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/4820-43-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4820-31-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4820-29-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB