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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2025, 13:38

General

  • Target

    JaffaCakes118_57309ac4c29005e87428141c1814f631.dll

  • Size

    96KB

  • MD5

    57309ac4c29005e87428141c1814f631

  • SHA1

    8552f0c414c9af1abd12b29c2fd8581ec0e2f119

  • SHA256

    a65c96bdaf47c376b1f3c0c08748f8be66fa5861a303457511636afdebb0fae2

  • SHA512

    42ab904f49842a325493dd4b70eafeb2da48e402381b00bbfe20bac199fbc43e228585a188c176d89556c3c34894cfeb5c21b45b6cfc0fff503e897e8f94076d

  • SSDEEP

    1536:mibToqp78Cc+nrT1O2dQlju4FrWEfbbQCgI6Ah:mibTTp78Cc+r5Qp3FCEzcCgLAh

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 8 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 30 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\JaffaCakes118_57309ac4c29005e87428141c1814f631.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4552
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_57309ac4c29005e87428141c1814f631.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4284
      • 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:5048
        • 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:3940
          • 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:5088
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5088 CREDAT:17410 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:380
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 608
        3⤵
        • Program crash
        PID:100
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4284 -ip 4284
    1⤵
      PID:4244

    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

      30f59b20e935520badc298242cb4cff1

      SHA1

      00622b2054eb148a8459c2ccd0b22606c2d5c7f6

      SHA256

      4a981d199e551f2b8c8fa22f0e3fbc264e876e5ed243d83331b2a6083a753e3c

      SHA512

      f22ca09eb3266cee3f363e4f3f955745382679d136d61e7c27f81081cd77efa5f82f82220526928f73049e692b7c060f64032dfae0f967c579c6e6acfd2e8d21

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

      Filesize

      404B

      MD5

      02ce77be8627b39fb7fef10b05ee4b23

      SHA1

      a17f6091089cde224232160cb5ca92aa3f9fc6d8

      SHA256

      2c33bf2a96cdade3ec15d710c5b673d2aa278513b446a709f14fbc573041db51

      SHA512

      6343848273836bdca403e775658cfaba4b65b3b64cb6c261f8fa2a8553f274fbe646d9c453f88f4f205aff961e898b143deb4dad3cb5b15b25e2b4aed17158cd

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\suggestions[1].en-US

      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • C:\Windows\SysWOW64\rundll32Srv.exe

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • memory/3940-18-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/3940-11-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/3940-12-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/3940-16-0x0000000000570000-0x0000000000571000-memory.dmp

      Filesize

      4KB

    • memory/3940-17-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/3940-14-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/4284-1-0x000000006D080000-0x000000006D098000-memory.dmp

      Filesize

      96KB

    • memory/4284-20-0x000000006D080000-0x000000006D098000-memory.dmp

      Filesize

      96KB

    • memory/5048-8-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/5048-5-0x00000000005C0000-0x00000000005CF000-memory.dmp

      Filesize

      60KB

    • memory/5048-4-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB