Analysis

  • max time kernel
    134s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-06-2024 01:29

General

  • Target

    104249669c100b40e4284728da56a8df_JaffaCakes118.dll

  • Size

    166KB

  • MD5

    104249669c100b40e4284728da56a8df

  • SHA1

    9ffb3a8eb4b5a02e68611bbda478a8740fdeeaeb

  • SHA256

    9b297bbad3cc758a360030ed4896a90fbd552a038e36efe8e7cf706aeb383bb3

  • SHA512

    f974fbb6803dc25eb992e27a4d7e181358409e8f571f4e351ebfb4989a4471c1ac308524fc32e75ff191ab734c3763070631b61613d3a59d71d042999033d6da

  • SSDEEP

    1536:i5lTUKCYmCgV5bT/2d1QYePvaLj30b9KVv6q7pbhD3fdaAsU3wNBz0KB:sTU56gVxj27NePy330wN6qb3MAxwgKB

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 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\104249669c100b40e4284728da56a8df_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4992
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\104249669c100b40e4284728da56a8df_JaffaCakes118.dll
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4472
      • 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:3976
        • 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:3964
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:1800
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 204
                6⤵
                • Program crash
                PID:1356
            • 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:3212
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3212 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4792
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              PID:4796
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1800 -ip 1800
      1⤵
        PID:3804

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\4NMOWK91\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/1800-34-0x0000000000C70000-0x0000000000C71000-memory.dmp

        Filesize

        4KB

      • memory/1800-33-0x0000000000C90000-0x0000000000C91000-memory.dmp

        Filesize

        4KB

      • memory/3964-25-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/3964-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3964-36-0x0000000077172000-0x0000000077173000-memory.dmp

        Filesize

        4KB

      • memory/3964-35-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/3964-32-0x0000000077172000-0x0000000077173000-memory.dmp

        Filesize

        4KB

      • memory/3964-30-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3964-29-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/3964-28-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3976-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3976-24-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3976-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3976-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3976-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3976-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3976-11-0x0000000000160000-0x0000000000161000-memory.dmp

        Filesize

        4KB

      • memory/3976-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3976-5-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4472-1-0x0000000074B20000-0x0000000074B4C000-memory.dmp

        Filesize

        176KB