Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/10/2024, 03:14

General

  • Target
    552ccebe1ceb972e667a506d15305095_JaffaCakes118.exe
  • Size 698KB
  • Sample241018-dreswatfkb
  • SHA256 621f646fc179862feb1a1a2557e3e10561c1b8dfe673d0bb0e1bc365331b3c80
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 8 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files 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 5 IoCs

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

  • NSIS installer 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 7 IoCs
  • Modifies data under HKEY_USERS 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 56 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\552ccebe1ceb972e667a506d15305095_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\552ccebe1ceb972e667a506d15305095_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4004
    • C:\Users\Admin\AppData\Local\Temp\nssE4E5.tmp\zwankysearch.exe
      "C:\Users\Admin\AppData\Local\Temp\nssE4E5.tmp\zwankysearch.exe" "C:\Users\Admin\AppData\Local\Temp\nssE4E5.tmp\zwankysearch.dll" 3188413003
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2628
    • C:\Users\Admin\AppData\Local\Temp\nssE4E5.tmp\zwankysearch.exe
      "C:\Users\Admin\AppData\Local\Temp\nssE4E5.tmp\zwankysearch.exe" "C:\Users\Admin\AppData\Local\Temp\nssE4E5.tmp\zwankysearch.dll" ucehekiku " " mogameyed
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      PID:4072
  • C:\ProgramData\ZwankySearch\zwankysearch1118.exe
    "C:\ProgramData\ZwankySearch\zwankysearch1118.exe" "C:\Program Files (x86)\ZwankySearch\zwankysearch.dll" xuyukigura ratukozuri
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4464
    • C:\Program Files (x86)\ZwankySearch\zwankysearch.exe
      "C:\Program Files (x86)\ZwankySearch\zwankysearch.exe" "C:\Program Files (x86)\ZwankySearch\zwankysearch.dll" huyohiret apasoyuqi
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2472

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        InstallOptions.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsmB1AE.tmp\InstallOptions.dll
        • Size 13KB
        • SHA256 551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsmB1AE.tmp\System.dll
        • Size 10KB
        • SHA256 802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd
        • MD5 SHA1 SHA512 SSDEEP

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsmB1AE.tmp\ioSpecial.ini
        • Size 758B
        • SHA256 036dc18fa4ce304897edbacc5752ac673218deee3b33e8767250888b1e78f7a7
        • MD5 SHA1 SHA512

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsmB1AE.tmp\ioSpecial.ini
        • Size 620B
        • SHA256 98f09dfe7ab758ff114008be875e47d515e7d497172d65ac6c61904b67dda533
        • MD5 SHA1 SHA512

        uninstall.exe

        • Path C:\Users\Admin\AppData\Local\Temp\nssE4E5.tmp\uninstall.exe
        • Size 78KB
        • SHA256 8f75ba9703c28b460025e05615222ed2b31e5eed829bfbab30bb029e873c0c24
        • MD5 SHA1 SHA512 SSDEEP

        zwankysearch.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nssE4E5.tmp\zwankysearch.dll
        • Size 576KB
        • SHA256 903a73225511a85add2bfc72f485f11d88c77bd57dca851921f195e93bdde16a
        • MD5 SHA1 SHA512 SSDEEP

        zwankysearch.exe

        • Path C:\Users\Admin\AppData\Local\Temp\nssE4E5.tmp\zwankysearch.exe
        • Size 25KB
        • SHA256 62d2098e86a466502beadb00537bcedc66a13b5c3363be2bde41c113f8188cb9
        • MD5 SHA1 SHA512 SSDEEP

        memory/2472-191-0x0000000000650000-0x00000000006D6000-memory.dmp

        memory/4004-205-0x0000000005AA0000-0x0000000005B26000-memory.dmp

        memory/4004-204-0x0000000005970000-0x0000000005A01000-memory.dmp

        memory/4072-96-0x0000000000520000-0x00000000005A6000-memory.dmp

        memory/4464-108-0x00000000004E0000-0x0000000000566000-memory.dmp