Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-06-2024 22:04

General

  • Target

    0fb1a7240eab9efc434ea194f24d88cc_JaffaCakes118.dll

  • Size

    193KB

  • MD5

    0fb1a7240eab9efc434ea194f24d88cc

  • SHA1

    bc809cbeaf20d4374dda28de7e1a2c855efcc677

  • SHA256

    37d2b2f53c521f82a286a0df2267452cba0f7432998e0876ceaf2cf6998459ea

  • SHA512

    3d7d4ad25106133617739b2584da3894d12c1a1763b8c6feea759bb23889e4bcc77febd0c2a921dd6c5f0bc680d35a1a4d4e0bc94e181862c5670ac5dedd30aa

  • SSDEEP

    3072:x73MITL/9oSmkbx3ZtffjBTnIwanLMw5H45ACgR3MWr:9dTpountf75Iwkj5HwAv3r

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
  • Modifies Internet Explorer settings 1 TTPs 33 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\0fb1a7240eab9efc434ea194f24d88cc_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5112
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\0fb1a7240eab9efc434ea194f24d88cc_JaffaCakes118.dll
      2⤵
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1684
      • 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:4976
        • 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:940
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:2528
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 196
                6⤵
                • Program crash
                PID:5096
            • 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:992
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:992 CREDAT:17410 /prefetch:2
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2680
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              PID:2892
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 2528 -ip 2528
      1⤵
        PID:2780

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        471B

        MD5

        b9b9f42ce6d2b20bf169d05480d239d4

        SHA1

        32b094cc2ff79f07fcd68d585846b919bc350e4d

        SHA256

        4d16bb8c9a34d4de9d39bb5f0e87095617b5ad551112db17b38b6cb752fbdae4

        SHA512

        36b45c544439c6b1fab4c2fa58712475a65ad467e3da61086c4a953d6587d35f5c6ae7de740863295ae0d3534cbf67d0bed6843d95b6786b50431bfeebcf1010

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        404B

        MD5

        d4ee0cc9c6dc8f0caea2416145aa1dc5

        SHA1

        d04f68fda508685f892e24dbad2593530856d6bf

        SHA256

        b90c9fdae2c2f2db32afc7cbe4ca8a41940dab4220e8d4d7e9cc9f2838dbc9dc

        SHA512

        0806d073674b29e0b4ff2bed2034b0bdc5348bfb2d44aaa1d1379c8e3a071debe51c9c234468318f6ad9440d8f9f97f3aba78ba362fad89bda134c73cbc98d74

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verD90A.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VLW1SL5J\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/940-37-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/940-40-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/940-33-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/940-31-0x00000000776D2000-0x00000000776D3000-memory.dmp

        Filesize

        4KB

      • memory/940-30-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/940-29-0x0000000000430000-0x0000000000431000-memory.dmp

        Filesize

        4KB

      • memory/940-22-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/940-38-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/940-39-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/940-41-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/940-36-0x00000000776D2000-0x00000000776D3000-memory.dmp

        Filesize

        4KB

      • memory/1684-3-0x0000000075070000-0x00000000750A3000-memory.dmp

        Filesize

        204KB

      • memory/2528-35-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

        Filesize

        4KB

      • memory/2528-34-0x0000000001000000-0x0000000001001000-memory.dmp

        Filesize

        4KB

      • memory/4976-15-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4976-6-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/4976-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4976-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4976-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4976-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4976-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4976-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4976-20-0x0000000000401000-0x0000000000405000-memory.dmp

        Filesize

        16KB

      • memory/4976-16-0x00000000008C0000-0x00000000008C1000-memory.dmp

        Filesize

        4KB

      • memory/4976-5-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB