Analysis

  • max time kernel
    150s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25/08/2024, 11:42

General

  • Target
    c0ab976b462dcd16f10ad7bc2dc538da_JaffaCakes118.exe
  • Size 255KB
  • Sample240825-nt7lsathlr
  • SHA256 84661e06b67e06bd1452e21d055ada35f5da425f33aa5de4f8be1b60ab1dfd16
  • MD5 SHA1 SHA512 SSDEEP

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 57 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\c0ab976b462dcd16f10ad7bc2dc538da_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c0ab976b462dcd16f10ad7bc2dc538da_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:2908
    • C:\Windows\SysWOW64\pqjqlpubzz.exe
      pqjqlpubzz.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:2108
      • C:\Windows\SysWOW64\eappgvwn.exe
        C:\Windows\system32\eappgvwn.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:2956
    • C:\Windows\SysWOW64\izqyzoxtsizlvdj.exe
      izqyzoxtsizlvdj.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:2180
    • C:\Windows\SysWOW64\eappgvwn.exe
      eappgvwn.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:2904
    • C:\Windows\SysWOW64\mgtcyywxbbooc.exe
      mgtcyywxbbooc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1484
    • 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:2824
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2748

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          PROTTPLN.DOC.exe

          • Path C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe
          • Size 255KB
          • SHA256 ac1ec81bf51fddc667cbb380659b3fcacfcc8a60141d30a3e1e42e7eb0a54e4d
          • MD5 SHA1 SHA512 SSDEEP

          PROTTPLV.DOC.exe

          • Path C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe
          • Size 255KB
          • SHA256 0316670a57d2a137e721d4f625a54228174db2412a497b645cbe816591dc3e48
          • MD5 SHA1 SHA512 SSDEEP

          Normal.dotm

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
          • Size 19KB
          • SHA256 db88cc9ffed568aab98979e301ab72579c2f8863e2e344611199ad39644e7f27
          • MD5 SHA1 SHA512 SSDEEP

          izqyzoxtsizlvdj.exe

          • Path C:\Windows\SysWOW64\izqyzoxtsizlvdj.exe
          • Size 255KB
          • SHA256 06c0028fb463ba3cf9f2e47dd77248d83e29ee43398fa29b685c4a3432eb08d2
          • MD5 SHA1 SHA512 SSDEEP

          mgtcyywxbbooc.exe

          • Path C:\Windows\SysWOW64\mgtcyywxbbooc.exe
          • Size 255KB
          • SHA256 b045d8e17a972611f1991174101595dc6ea0f90def9ea97469c866a3c21f1fd1
          • MD5 SHA1 SHA512 SSDEEP

          mydoc.rtf

          • Path C:\Windows\mydoc.rtf
          • Size 223B
          • SHA256 85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2
          • MD5 SHA1 SHA512

          eappgvwn.exe

          • Path \Windows\SysWOW64\eappgvwn.exe
          • Size 255KB
          • SHA256 ac7780481801a0dd3abe4ea030d3461f082ac6ae4f3d2dace072f4fbcec145c3
          • MD5 SHA1 SHA512 SSDEEP

          pqjqlpubzz.exe

          • Path \Windows\SysWOW64\pqjqlpubzz.exe
          • Size 255KB
          • SHA256 d89c880baee7208cd837a5cc10b5b15eeb59b333c20f1719b5bc407e129ffed1
          • MD5 SHA1 SHA512 SSDEEP

          memory/1484-121-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/1484-42-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/1484-148-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/1484-129-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/1484-88-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/1484-118-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/1484-151-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/1484-145-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/1484-154-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/1484-115-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/1484-111-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/1484-108-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/1484-81-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/1484-105-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/1484-102-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/1484-93-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2108-119-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2108-106-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2108-152-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2108-85-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2108-149-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2108-146-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2108-143-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2108-26-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2108-90-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2108-127-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2108-116-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2108-100-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2108-113-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2108-78-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2108-109-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2108-82-0x0000000004030000-0x00000000040D0000-memory.dmp

          memory/2108-103-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2180-144-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2180-117-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2180-107-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2180-104-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2180-79-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2180-110-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2180-114-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2180-86-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2180-101-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2180-91-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2180-30-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2180-128-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2180-120-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2180-153-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2180-150-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2180-147-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2824-49-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/2824-142-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/2904-92-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2904-40-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2904-87-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2904-97-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2904-80-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2908-27-0x0000000002330000-0x00000000023D0000-memory.dmp

          memory/2908-0-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2908-23-0x0000000002330000-0x00000000023D0000-memory.dmp

          memory/2908-48-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2956-94-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2956-46-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2956-89-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2956-98-0x0000000000400000-0x00000000004A0000-memory.dmp

          memory/2956-83-0x0000000000400000-0x00000000004A0000-memory.dmp