Analysis

  • max time kernel
    95s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 04:01

General

  • Target

    161337d3ffd09408a54f615ee3c1116f_JaffaCakes118.dll

  • Size

    104KB

  • MD5

    161337d3ffd09408a54f615ee3c1116f

  • SHA1

    2ce8e4271f993a1611db8084ce3dfb5243f9e71a

  • SHA256

    dffdeda62abe601e86fdc4a95d710daa9ce5bdd2b8ebdd9f62fd664f2a3ef032

  • SHA512

    84a66703b483d1782e72284cad089d09eb48f349ae5d360ace682eba68f732257e2c2a929df706cb9bacdc947b785031d41408defb62b47ef0a171f8aa2bdfe9

  • SSDEEP

    3072:TD09MaWLOdfPQdYeW2URSTmzEuVUP/AytUeGi:laqOdHQoOju+nA0

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 8 IoCs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 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 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\161337d3ffd09408a54f615ee3c1116f_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:384
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\161337d3ffd09408a54f615ee3c1116f_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1712
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • 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:1264
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3328
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3328 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1692
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 608
        3⤵
        • Program crash
        PID:2020
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1712 -ip 1712
    1⤵
      PID:2212

    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

            db7c83e09ebc4317f2bf2df7f66b8513

            SHA1

            29d58ef43f72ce7cf79ce6109d038a6c9b4873f0

            SHA256

            1ae4c8aa37bf433bc5b3b45e017c95bf843c7dbbe348c78c7ab6f3cad0fda4b8

            SHA512

            6eb46ae0c3e091ba13b1c0e3fb6de568882940df7968d0e1297568ea5356a4691f2a869c7c9ac9e9642bcc2e4e1388d00b15c663276143e8cb5015ab89c27867

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

            Filesize

            404B

            MD5

            8a39ed07c67fd87d3c502fd5913148b7

            SHA1

            ab7eb02ccc5e984b596fd788804eaa9586996207

            SHA256

            6e11d3a4e0cf4ee881925c1cf5ce18476d6bb8e07872142887200bed5ab31cb5

            SHA512

            a6e02588ead78f0c7ea47b8646e5a3dc7fa0713ebd4b8e8727ce06cf79d3454d516889f073acd05bf9deee589620e79363a49a3ef41032b68497b6fa364186b8

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\JACP9GNT\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

          • C:\Windows\SysWOW64\rundll32mgr.exe

            Filesize

            54KB

            MD5

            fba9053e3a7f286a68a072f5d1b57b42

            SHA1

            19c4800e8de1e83ff7bf0b96a96563e8430ce9f3

            SHA256

            5675295a26c3839803fd25fb667f2be09c2b6bf3412202a09c3dfc9a46eb4ca4

            SHA512

            ee53bbd9531801df780279da49bd34863513db67fbacbd6b0abb844d02cb76f5e86ed39ad28585b27aa42d3659a8fc9f3d1459f92f81eca970e69bac7c403c64

          • memory/1264-11-0x0000000000400000-0x000000000041A000-memory.dmp

            Filesize

            104KB

          • memory/1264-13-0x0000000000400000-0x000000000041A000-memory.dmp

            Filesize

            104KB

          • memory/1264-12-0x0000000000400000-0x000000000041A000-memory.dmp

            Filesize

            104KB

          • memory/1264-10-0x0000000000690000-0x0000000000691000-memory.dmp

            Filesize

            4KB

          • memory/1264-16-0x00000000774A2000-0x00000000774A3000-memory.dmp

            Filesize

            4KB

          • memory/1264-9-0x0000000000400000-0x000000000041A000-memory.dmp

            Filesize

            104KB

          • memory/1264-17-0x00000000774A2000-0x00000000774A3000-memory.dmp

            Filesize

            4KB

          • memory/1264-6-0x0000000000400000-0x000000000041A000-memory.dmp

            Filesize

            104KB

          • memory/1264-5-0x0000000000400000-0x000000000041A000-memory.dmp

            Filesize

            104KB

          • memory/1264-7-0x0000000000400000-0x000000000041A000-memory.dmp

            Filesize

            104KB

          • memory/1264-8-0x0000000000400000-0x000000000041A000-memory.dmp

            Filesize

            104KB

          • memory/1264-15-0x00000000006F0000-0x00000000006F1000-memory.dmp

            Filesize

            4KB

          • memory/1712-0-0x000000006D240000-0x000000006D25A000-memory.dmp

            Filesize

            104KB

          • memory/1712-19-0x000000006D240000-0x000000006D25A000-memory.dmp

            Filesize

            104KB