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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/08/2024, 21:35

General

  • Target

    81cece7a454fffa27f468a7bef1e258e_JaffaCakes118.dll

  • Size

    132KB

  • MD5

    81cece7a454fffa27f468a7bef1e258e

  • SHA1

    19397e4c93b99103d8b9526091e5b83666dc6392

  • SHA256

    82d4f1310c9271e3131ae7a23a3cb7df144a4d452c9b447c73b4fedd691eccbf

  • SHA512

    0a047e26d404d5ad0a512a2b7c8de01cc7c576fde93ae221ed348c8fe09fd2c84dc42e340cde63636a090565c4b40e578a1d73b7b8e203bf88aaa2b27254ef00

  • SSDEEP

    3072:3o6nwLqrSa4I+VCpy330wN6qb3MAxwgKA:46uj0wRb37xj

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 46 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\81cece7a454fffa27f468a7bef1e258e_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\81cece7a454fffa27f468a7bef1e258e_JaffaCakes118.dll
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4732
      • 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:3604
        • 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:4896
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:3632
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 84
                6⤵
                • Program crash
                PID:2796
            • 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:3220
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3220 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1128
            • 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:4764
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4764 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4680
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3632 -ip 3632
      1⤵
        PID:2120

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{F645A188-504D-11EF-B810-7E9B73D38187}.dat

        Filesize

        5KB

        MD5

        8d15ff7c5353cd8cbec90b676fd99e4f

        SHA1

        3d33060501803f6452b9b37d7fffd4837da49cf0

        SHA256

        307715d11e15041dc4165e293349c93b476cd3dff2603235162ad03bb1a42b57

        SHA512

        4f9d87faff0a7c491df3b389f78d5075d545fa5d0ac2985f81ccea9827e9096e432d774257e38f67e71b990ac5246f7420e689de89c086a5d09b3d630c4f8767

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{F648046B-504D-11EF-B810-7E9B73D38187}.dat

        Filesize

        3KB

        MD5

        db875c7908361947dab1e1c813415627

        SHA1

        ad23233af980514e58597df108d21738dedd0830

        SHA256

        2c348e7c8e06bbe8e08579f8d277a007b9947e1c5cf35338ca657f79ab03dafc

        SHA512

        12e2be5519cba90c2ee4000ef8a3876bca8f37b939d572ca55fc60b73989a9952262b290cad1de1e6ec61d368b56268ca09d16aea327b76af56162bc6ce76f7f

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verEB1.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VCZ66809\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/3604-20-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3604-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3604-16-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3604-7-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/3604-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3604-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3604-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3604-17-0x00000000001C0000-0x00000000001C1000-memory.dmp

        Filesize

        4KB

      • memory/3604-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3604-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3632-38-0x0000000000E70000-0x0000000000E71000-memory.dmp

        Filesize

        4KB

      • memory/3632-37-0x0000000000E90000-0x0000000000E91000-memory.dmp

        Filesize

        4KB

      • memory/4732-3-0x0000000000C50000-0x0000000000C74000-memory.dmp

        Filesize

        144KB

      • memory/4732-1-0x0000000000C50000-0x0000000000C74000-memory.dmp

        Filesize

        144KB

      • memory/4896-23-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4896-31-0x0000000000430000-0x0000000000431000-memory.dmp

        Filesize

        4KB

      • memory/4896-39-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4896-40-0x00000000770F2000-0x00000000770F3000-memory.dmp

        Filesize

        4KB

      • memory/4896-32-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4896-33-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4896-43-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4896-44-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4896-45-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4896-34-0x00000000770F2000-0x00000000770F3000-memory.dmp

        Filesize

        4KB

      • memory/4896-24-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB