Analysis

  • max time kernel
    81s
  • max time network
    90s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-06-2024 08:42

General

  • Target

    197d7acb5047dc2ec5444777f4098d41_JaffaCakes118.dll

  • Size

    193KB

  • MD5

    197d7acb5047dc2ec5444777f4098d41

  • SHA1

    9864742e3f5020411c2a161406e51400565b4181

  • SHA256

    da9202fdc9e2719366f97439a963251c28d7c28da4d70bce4990b7ff0c3a65c8

  • SHA512

    09c0d6ea15cfa1997d25e1173400899f46924e91566f63e50e9f1e6e41e5678b52a4f772b383c31b00e9918a4968791ed80fa8551afca80ab28a8255c8ab1714

  • SSDEEP

    3072:S73MITL/9oSmkbx3ZtffjBTnIwanLMvt8qY1w6MQY0DzS:QdTpountf75Iwk7qyMQTG

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
  • Modifies Internet Explorer settings 1 TTPs 16 IoCs
  • Modifies registry class 45 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\197d7acb5047dc2ec5444777f4098d41_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2464
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\197d7acb5047dc2ec5444777f4098d41_JaffaCakes118.dll
      2⤵
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1476
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:1272
        • 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:432
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:232
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 204
                6⤵
                • Program crash
                PID:4284
            • 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:2212
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2212 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3468
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              PID:2656
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 232 -ip 232
      1⤵
        PID:4584

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\regsvr32mgr.exe
        Filesize

        96KB

        MD5

        8c51fd9d6daa7b6137634de19a49452c

        SHA1

        db2a11cca434bacad2bf42adeecae38e99cf64f8

        SHA256

        528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3

        SHA512

        b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837

      • memory/232-30-0x0000000000CF0000-0x0000000000CF1000-memory.dmp
        Filesize

        4KB

      • memory/232-31-0x0000000000CD0000-0x0000000000CD1000-memory.dmp
        Filesize

        4KB

      • memory/432-33-0x0000000077952000-0x0000000077953000-memory.dmp
        Filesize

        4KB

      • memory/432-24-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/432-36-0x0000000000400000-0x0000000000421000-memory.dmp
        Filesize

        132KB

      • memory/432-35-0x0000000077952000-0x0000000077953000-memory.dmp
        Filesize

        4KB

      • memory/432-34-0x0000000000070000-0x0000000000071000-memory.dmp
        Filesize

        4KB

      • memory/432-32-0x0000000000400000-0x0000000000421000-memory.dmp
        Filesize

        132KB

      • memory/432-28-0x0000000000400000-0x0000000000421000-memory.dmp
        Filesize

        132KB

      • memory/432-27-0x0000000000430000-0x0000000000431000-memory.dmp
        Filesize

        4KB

      • memory/1272-9-0x0000000000400000-0x0000000000421000-memory.dmp
        Filesize

        132KB

      • memory/1272-7-0x0000000000400000-0x0000000000421000-memory.dmp
        Filesize

        132KB

      • memory/1272-14-0x00000000008F0000-0x00000000008F1000-memory.dmp
        Filesize

        4KB

      • memory/1272-5-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/1272-13-0x0000000000400000-0x0000000000421000-memory.dmp
        Filesize

        132KB

      • memory/1272-11-0x0000000000400000-0x0000000000421000-memory.dmp
        Filesize

        132KB

      • memory/1272-12-0x0000000000400000-0x0000000000421000-memory.dmp
        Filesize

        132KB

      • memory/1272-8-0x0000000000400000-0x0000000000421000-memory.dmp
        Filesize

        132KB

      • memory/1272-6-0x0000000000400000-0x0000000000421000-memory.dmp
        Filesize

        132KB

      • memory/1476-1-0x00000000752F0000-0x0000000075323000-memory.dmp
        Filesize

        204KB