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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2024, 21:45

General

  • Target

    c1a74a2919175c26b1ecd5006df8e0c2_JaffaCakes118.dll

  • Size

    166KB

  • MD5

    c1a74a2919175c26b1ecd5006df8e0c2

  • SHA1

    306c8553e9fee8fc9787bfecf12b561a0f2074b7

  • SHA256

    8b0d6914fc983b82277a091fa9e306842fd85c48c514e8222a4c0f85ae9e55b6

  • SHA512

    ce9b225b59385c38b09147265f5c1b1e8e01a78ea11fe03b88628f3ae1800d9ebf4e0b72b0e156549fc7a13a176294f635f2220edb7ecc2e5b248d915787738b

  • SSDEEP

    3072:PTU56gVxj27Ne4L99ZgyXf9MWebpjMGlDCdrn:A4L7vBsGdn

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 14 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 4 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 31 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\c1a74a2919175c26b1ecd5006df8e0c2_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\c1a74a2919175c26b1ecd5006df8e0c2_JaffaCakes118.dll
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4484
      • 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:3216
        • 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:1620
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:1828
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1828 -s 204
                6⤵
                • Program crash
                PID:2112
            • 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:3560
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3560 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2488
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              PID:3204
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1828 -ip 1828
      1⤵
        PID:1960

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\KQ3665LB\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/1620-38-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1620-23-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1620-41-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1620-42-0x0000000077EA2000-0x0000000077EA3000-memory.dmp

        Filesize

        4KB

      • memory/1620-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1620-40-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/1620-32-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1620-43-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1620-35-0x0000000077EA2000-0x0000000077EA3000-memory.dmp

        Filesize

        4KB

      • memory/1620-28-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1620-31-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1620-33-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/1828-37-0x0000000000660000-0x0000000000661000-memory.dmp

        Filesize

        4KB

      • memory/1828-36-0x0000000000680000-0x0000000000681000-memory.dmp

        Filesize

        4KB

      • memory/3216-18-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3216-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3216-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3216-6-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/3216-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3216-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3216-22-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/3216-15-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3216-11-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/3216-12-0x00000000008C0000-0x00000000008C1000-memory.dmp

        Filesize

        4KB

      • memory/3216-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3216-4-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4484-0-0x0000000075850000-0x000000007587C000-memory.dmp

        Filesize

        176KB