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Analysis

  • max time kernel
    126s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/09/2024, 05:44

General

  • Target

    fb9eb4462f8fe117dc159b8784f9e2a9_JaffaCakes118.exe

  • Size

    792KB

  • MD5

    fb9eb4462f8fe117dc159b8784f9e2a9

  • SHA1

    62f54696563c2f474cd2a6225e3ab57facf5cb4f

  • SHA256

    57f6400d0bc15b86ba457676acd549522e276aadbf1dc2e3b2b25d10f6c7ab64

  • SHA512

    401d9c7c4c146520d35c2c2ae2df384faea80c388a6d48231c1826c9f92cfa27c16f03081efccfe986ecf4b17b2625343a1edbf9e6408d7ae9335c32381e4a5a

  • SSDEEP

    12288:JjcxeMzYtcFERJmrbWeAynyfumsb26/f:lcxeMz/GJmWeAyncu1bV

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 5 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb9eb4462f8fe117dc159b8784f9e2a9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fb9eb4462f8fe117dc159b8784f9e2a9_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Disables RegEdit via registry modification
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies Internet Explorer start page
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2112
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C AT /delete /yes
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2792
      • C:\Windows\SysWOW64\at.exe
        AT /delete /yes
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2816
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\gphone.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2708
      • C:\Windows\SysWOW64\at.exe
        AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\gphone.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2108
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C cacls "C:\system volume information" /e /g "Admin":f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2688
      • C:\Windows\SysWOW64\cacls.exe
        cacls "C:\system volume information" /e /g "Admin":f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2664
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C cacls "C:\system volume information" /e /g "Admin":f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2740
      • C:\Windows\SysWOW64\cacls.exe
        cacls "C:\system volume information" /e /g "Admin":f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\gphone.exe

    Filesize

    792KB

    MD5

    fb9eb4462f8fe117dc159b8784f9e2a9

    SHA1

    62f54696563c2f474cd2a6225e3ab57facf5cb4f

    SHA256

    57f6400d0bc15b86ba457676acd549522e276aadbf1dc2e3b2b25d10f6c7ab64

    SHA512

    401d9c7c4c146520d35c2c2ae2df384faea80c388a6d48231c1826c9f92cfa27c16f03081efccfe986ecf4b17b2625343a1edbf9e6408d7ae9335c32381e4a5a

  • F:\autorun.inf

    Filesize

    96B

    MD5

    0450bd6f856c038a41ab0e645b3b293b

    SHA1

    ebbca685215823672fd692f6c3612f06dc30e084

    SHA256

    11c6c38ee3e9cf9802cac107f4e4c24a070b0e43467842f401feee33b6967d5d

    SHA512

    d1b0ed2662b274abd80e8d33775fcfaa30fe693707dc61ff2e0c2bd2f2ce50d2f3cac5d2a9f4f2fdf4232ebe72206fd47b86305d0c4d4d1bd147ba913e110fb8

  • memory/2112-0-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB