Analysis

  • max time kernel
    141s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    17/08/2024, 15:09

General

  • Target

    a30896b4061d23a0099e7338eac8c245_JaffaCakes118.exe

  • Size

    23KB

  • MD5

    a30896b4061d23a0099e7338eac8c245

  • SHA1

    49abcd5215c5e2fd6f211c6f13b1cadb8e6db1dd

  • SHA256

    8b92d7d028eaca1c08fc5784ff16751176669ea147c3f2e9de7a594bf9151dd7

  • SHA512

    5007ede43dd089c2019a2f54a3a8202d93f393a0915e2bcd60363bcd39970736a4c0ae966b4c777241c8c632c36aa523265624e87778a734fb8ae53a43e0146d

  • SSDEEP

    384:DuaYxRioZSr1ZFVWIvWL9gKU4SewKCvNA+i10AAV50BXGduH82gdYV:StGQSrjFVWI+WRZ5NLidZGWbgd

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 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 48 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 16 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a30896b4061d23a0099e7338eac8c245_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a30896b4061d23a0099e7338eac8c245_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://au-sales.net/sp/alert.php?alert
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2144
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2144 CREDAT:275457 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2580
      • C:\Windows\system32\ctfmon.exe
        ctfmon.exe
        3⤵
          PID:2296
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" http://fkjrrr.com/alert.php?alert
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3056
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3056 CREDAT:275457 /prefetch:2
          3⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2804

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{AFA7EB61-5CAA-11EF-A7CE-FE3EAF6E2A14}.dat

            Filesize

            5KB

            MD5

            dadd90edeef845a926ef5d94fa49560c

            SHA1

            c34b80d0d15beb32ef862bfe93ecff6e5130edec

            SHA256

            590b87ae78f0689447c5e643c54431884e9af695301b2f4bdcaa855be1cf470e

            SHA512

            5aba9c7420146ffb46084bc6bcfb96a8ca6a253514aa34529bc163d8fa7cb74152e3b5f065eb68e15c209a467ce7c5128617a74926ff56b47fb566cbab9e6e45

          • memory/2452-0-0x0000000000400000-0x0000000000411000-memory.dmp

            Filesize

            68KB

          • memory/2452-7-0x0000000000400000-0x0000000000411000-memory.dmp

            Filesize

            68KB