Analysis

  • max time kernel
    93s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2024, 22:08

General

  • Target

    10af840c6fab21d128bd3358c3d8b567_JaffaCakes118.dll

  • Size

    120KB

  • MD5

    10af840c6fab21d128bd3358c3d8b567

  • SHA1

    5d714652d10aca293787fbc250c5d4bad14f292c

  • SHA256

    d07b6e32b5993974c5662dbfa6dae23a623cf5f824451336facba3776d1be5bb

  • SHA512

    9db089422b24d5d72662f74a44fe71c31b4c71e14571bd820b427015f16f646c0e2e0ff954581d578d0afac97a8ab46478cab1b29c58bc781c930990e6f0fc05

  • SSDEEP

    3072:N61Ye3TaEu2CoCcn3zO7A4D8Xzd125+kV4m13EaOlfBL:sTa12CoCckAe8jd12FmL

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 32 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\10af840c6fab21d128bd3358c3d8b567_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:212
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\10af840c6fab21d128bd3358c3d8b567_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3944
      • C:\Windows\SysWOW64\rundll32Srv.exe
        C:\Windows\SysWOW64\rundll32Srv.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3960
        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3176
          • 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:3988
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3988 CREDAT:17410 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:4692
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 608
        3⤵
        • Program crash
        PID:3712
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3944 -ip 3944
    1⤵
      PID:4072

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            471B

            MD5

            6de4427d02d49cee2c46a8fead1fafa8

            SHA1

            bee49bf0e4452ca72442face8e655bf4a8c3af17

            SHA256

            46d5cd7ff558e5c788807eb674587359c6a660cef091eb420676977e49833d53

            SHA512

            c80311bb92f9f49de96d06e9a76a3ef0310365999f00f401fd003d438b66744a88f093b5887e1723c6b8179798697ec24c4b2bda489323337f6cec6d28ef6434

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

            Filesize

            404B

            MD5

            3fa81aacc2b7480f41623b3492df88ff

            SHA1

            44b09e2da2a46c44e254c925e8682a9cf9a016b3

            SHA256

            28b09bdcf83be6716a3329df98fd1cef5781cbea0992b2bf045a2a4efbe99629

            SHA512

            f7d8160fa957bf1af5a740b05e5e2e636a43356cf3f74173c73901c97322284ce72a7bf77cea9310ef3cae3064f1f5926bbe8e1e6cf5ed1bb5a00d5ba460fab0

          • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver2805.tmp

            Filesize

            15KB

            MD5

            1a545d0052b581fbb2ab4c52133846bc

            SHA1

            62f3266a9b9925cd6d98658b92adec673cbe3dd3

            SHA256

            557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

            SHA512

            bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\O8WYVOD7\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

          • C:\Windows\SysWOW64\rundll32Srv.exe

            Filesize

            56KB

            MD5

            83f5a64a268f21c7c6d6dd54ce8a88c2

            SHA1

            61376a625d7d389c5c1646aa534f1ef3135da2f4

            SHA256

            c0b96c44a00557b60df0fa0ac9b129ac07d5b93c669f4a3c98276d113ff6962c

            SHA512

            4cddbd07e10c93d23efd1560084f0482520f90f252d6e90380222f0d13ac3bf3587fbddb3033a6b06d550838731db072001197cb3283e4686f5b8bd5b6d894f1

          • memory/3176-14-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/3176-13-0x0000000000910000-0x0000000000911000-memory.dmp

            Filesize

            4KB

          • memory/3176-15-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/3944-1-0x000000006D100000-0x000000006D11E000-memory.dmp

            Filesize

            120KB

          • memory/3944-17-0x000000006D100000-0x000000006D11E000-memory.dmp

            Filesize

            120KB

          • memory/3960-6-0x0000000000570000-0x0000000000581000-memory.dmp

            Filesize

            68KB

          • memory/3960-7-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/3960-4-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB