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Analysis

  • max time kernel
    150s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    25/08/2024, 13:35

General

  • Target

    c0db96aabaac2dff796ebcab5e29c9e9_JaffaCakes118.exe

  • Size

    255KB

  • MD5

    c0db96aabaac2dff796ebcab5e29c9e9

  • SHA1

    89e8a3a36cd167dfbf1ba66c3d613c85eb967f5b

  • SHA256

    8e707874e515833aa45dac24aaf1ddb66c5901384b2396f73217f711340b3859

  • SHA512

    2bdbf024b6a1305a3070f2b92711f936c4827a5f9dd560c4620e2c8d5fccf573b5e76ed0c3c08cb719a5aef59074ad1ad837f60ff6c8ceb4808d8a05c1bad516

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJD:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIg

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 64 IoCs

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

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 58 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies registry class 19 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0db96aabaac2dff796ebcab5e29c9e9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c0db96aabaac2dff796ebcab5e29c9e9_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Windows\SysWOW64\fjvgtzwhcu.exe
      fjvgtzwhcu.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2684
      • C:\Windows\SysWOW64\ymucboza.exe
        C:\Windows\system32\ymucboza.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2584
    • C:\Windows\SysWOW64\toiyzqktqpenpeb.exe
      toiyzqktqpenpeb.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2936
    • C:\Windows\SysWOW64\ymucboza.exe
      ymucboza.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2828
    • C:\Windows\SysWOW64\rfvysipiymotw.exe
      rfvysipiymotw.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2780
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3064
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2580

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe

      Filesize

      255KB

      MD5

      3f92da4e69eff8f97eca289103921987

      SHA1

      dbde462289756c16a88161c4ff877995025d3562

      SHA256

      a750bd2e08b785c31df2d1c18dda3fcc4b1a4a972b1f71646b51f91488863aef

      SHA512

      12868946febefda9b555fbf0f068da85a6fc5e43d3fd5699495758e708243f0a39b6456d01e79690dc1bfce8fd81f6614e43a556677b962e30a1cab23386f73e

    • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe

      Filesize

      255KB

      MD5

      df8860a25e3fffee4e1fb48caa3270d1

      SHA1

      4335419825f84bcd0f2ece70f60301aa58fe8cda

      SHA256

      6969bcf7eb88ecf2ed680899d33055246213812fb9f021c6d424953f0d6696d7

      SHA512

      70d1bef83d03f57a414846914b4f69b3332ad83e55cbe8e874c6ab2ba1e21fcd678b2059664a01f8c411c40582b37641b9a806df197949472385cc72379bbc18

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      19KB

      MD5

      26ea380be907d9bf6e594a2a00e73b0a

      SHA1

      5f03c1edb7a1c53478a2fa6c8ff49a604e833617

      SHA256

      fd0a100e912b13db689b7eef6275e0799da317988e492036e7f3cbe91c680f27

      SHA512

      96b10540abe34ae3d317c7fb2cc4a444f5c87d1b3ed50a3d7680fcb41c1bc96933661770a18d06e0e92dfedbe86cfccf628a30f0fb39b75e2d2ff7808332e7a8

    • C:\Windows\SysWOW64\fjvgtzwhcu.exe

      Filesize

      255KB

      MD5

      efa794a7a5a7a393d0b73aaa2255b031

      SHA1

      533cf1052d5d6df7bcd37566c996924990b63fc2

      SHA256

      19be6e0876fbf6af0572b76bb9f30e99dac017ae4e52ac031d4cf249415262c1

      SHA512

      740106d01797e9e2497578757da5fe45243a2a3a36b5cbea0a951245ed7c12cf6fde65eddb3218a86e186930e3551eb56606a567825818cb94aff8250523049f

    • C:\Windows\SysWOW64\ymucboza.exe

      Filesize

      255KB

      MD5

      a3f15d5d0ee92d37afc81637ee5a534e

      SHA1

      2b9b889807effa48b7d9753d0de704da980897cd

      SHA256

      ec9aafe4b05c1ccebd7f46fbac2c0d67b8e7b574f84a7f2a53e796dd48e9bf7a

      SHA512

      ae782f34fa39c7e25ee9cf438cb5c04c26daf9acd31a53d0c096f98593525019088a984f471d080d0b2947b1d2156e27f7d09ffed048f26fc326b8d268e5f504

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\rfvysipiymotw.exe

      Filesize

      255KB

      MD5

      1c2a4450f66a2c748b2139eb3696493f

      SHA1

      7810d275a21412e6fc2aa749c82b7dce64b5c929

      SHA256

      fac1b4c5c265fba076a92f8df1fd8496eafcd83711b2e3aedc49d1b406601db3

      SHA512

      6c8443c535a79707c07c4c71344bda55475995f99ae466dda421581c5cdadee674ee9897a2dfd192d83e8ad3190bb28ce6c34d631a6af11e71c57a98983835da

    • \Windows\SysWOW64\toiyzqktqpenpeb.exe

      Filesize

      255KB

      MD5

      bae8d6dd75cf31c7748575d9dc8e13f0

      SHA1

      14550bd12443b61550b5934035b8a81cc340bcdf

      SHA256

      c0c216ee4a2ee97c9464a327bb3463a3fe56521c79e0890669a8b8e25f2fc31a

      SHA512

      7b0ab6c8dce3a84ea3643c018bd54572b5e419cd3a15335e8e182f1179527975e38c9b0aec7fc127fc840bcad951d08de499dba67d6edb66953083665bf145be

    • memory/2584-95-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2584-84-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2584-89-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2584-47-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2584-94-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2684-118-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2684-145-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2684-121-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2684-46-0x0000000003840000-0x00000000038E0000-memory.dmp

      Filesize

      640KB

    • memory/2684-142-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2684-80-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2684-115-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2684-112-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2684-108-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2684-90-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2684-148-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2684-105-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2684-102-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2684-99-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2684-85-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2684-33-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2684-151-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2780-101-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2780-88-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2780-120-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2780-93-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2780-83-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2780-153-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2780-150-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2780-39-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2780-123-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2780-147-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2780-104-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2780-117-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2780-107-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2780-114-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2780-110-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2780-144-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2828-82-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2828-38-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2828-87-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2828-97-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2828-92-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2936-116-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2936-109-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2936-86-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2936-119-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2936-81-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2936-152-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2936-122-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2936-113-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2936-149-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2936-100-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2936-143-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2936-91-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2936-37-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2936-106-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2936-146-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/2936-103-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/3036-28-0x0000000003300000-0x00000000033A0000-memory.dmp

      Filesize

      640KB

    • memory/3036-0-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/3036-49-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/3036-24-0x0000000003300000-0x00000000033A0000-memory.dmp

      Filesize

      640KB

    • memory/3064-141-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/3064-50-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB