Analysis

  • max time kernel
    150s
  • 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
    09/10/2024, 10:01

General

  • Target

    2f23457525fbf8f07e4ae0fdad832697_JaffaCakes118.exe

  • Size

    39KB

  • MD5

    2f23457525fbf8f07e4ae0fdad832697

  • SHA1

    a53918762bd311d66754aff9ca71e0a3b4fb9699

  • SHA256

    9dd6f8cf4398797b91cf3fb2a5a963f21cf7be59dc1d57a56b1550f308547d36

  • SHA512

    b0565cb38e0abea79eaf461256cc7a139619a64f1e1d1b5cd8e98ae6cc0f5d75cb18af856357ac2f665cccdb9646ee8ed1aa807651f4de968e82061621e4b323

  • SSDEEP

    768:YpfG5My8Ox9poEJbuLdPZgSxbi23y9NT5X5Kb2Biq:EfPy8+JbuVe2bCH5Xq2Biq

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f23457525fbf8f07e4ae0fdad832697_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2f23457525fbf8f07e4ae0fdad832697_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4220
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -nohome
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3984
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3984 CREDAT:17410 /prefetch:2
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2212

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Windows\SysWOW64\0035.DLL

          Filesize

          25KB

          MD5

          8d63a45efe33b886fef151aed56e988c

          SHA1

          843290efd09887f84936aff3e5b0c3b5b8f342be

          SHA256

          fe1eb31c227e56c355441ea5180a346633a560de1a6e8ec370c627a684f0a41c

          SHA512

          b3bcbb7cbd4ca9e23815886d332222b1edb07bfce8d05a99cb8568a9d3ca42639d6d331192202862f5e650958bd2885578ba24a14504dc6fdfaba4eec4304236

        • C:\Windows\SysWOW64\WORK.DAT

          Filesize

          6KB

          MD5

          642174526480eadae4bd33ed4339d9ea

          SHA1

          b906fc0be9f25e0b332feae927906eacc9e4e3a1

          SHA256

          4e387ac3b0380a454caef82f71cff7e045d8eb1c8ea95973809df01488bf77fa

          SHA512

          a4f63c80b26eb28ce2c8a06296db56192c209b9ce2ad8a08f4842d7267b82e35fbe867c321c29ff24983832cee880ab7cbaf0c2e0db1f1a25fa5ed5e9cb342f8

        • memory/4220-0-0x0000000000400000-0x0000000000401000-memory.dmp

          Filesize

          4KB

        • memory/4220-40-0x0000000000400000-0x0000000000401000-memory.dmp

          Filesize

          4KB