Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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 13 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 2 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 4 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 8 IoCs
  • Modifies data under HKEY_USERS 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 56 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 12 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:1820
    • C:\Users\Admin\AppData\Local\Temp\nsoAF.tmp\zwankysearch.exe
      "C:\Users\Admin\AppData\Local\Temp\nsoAF.tmp\zwankysearch.exe" "C:\Users\Admin\AppData\Local\Temp\nsoAF.tmp\zwankysearch.dll" 3188413003
      2⤵
      • Executes dropped EXE
      PID:784
    • C:\Users\Admin\AppData\Local\Temp\nsoAF.tmp\zwankysearch.exe
      "C:\Users\Admin\AppData\Local\Temp\nsoAF.tmp\zwankysearch.exe" "C:\Users\Admin\AppData\Local\Temp\nsoAF.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:2404
  • 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:1472
    • 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:2436

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        uninstall.exe

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

        zwankysearch.dll

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

        zwankysearch.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsoAF.tmp\zwankysearch.dll
        • Size 576KB
        • SHA256 bceadcabab0af07549c5995c23093d2c9568d94b2bda652517a47b24456170ff
        • MD5 SHA1 SHA512 SSDEEP

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nszCEF5.tmp\ioSpecial.ini
        • Size 758B
        • SHA256 e09cbc2617b4f9b1105440c3b8762c941807b498792ecddcc908bdb023d61189
        • MD5 SHA1 SHA512

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nszCEF5.tmp\ioSpecial.ini
        • Size 620B
        • SHA256 f65f8fc4dbe00e11533d64054fb5f66a8d96bf5686c5a7a5a3d2e91c7d60040b
        • MD5 SHA1 SHA512

        zwankysearch.exe

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

        InstallOptions.dll

        • Path \Users\Admin\AppData\Local\Temp\nszCEF5.tmp\InstallOptions.dll
        • Size 13KB
        • SHA256 551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nszCEF5.tmp\System.dll
        • Size 10KB
        • SHA256 802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd
        • MD5 SHA1 SHA512 SSDEEP

        memory/1472-120-0x0000000000480000-0x0000000000506000-memory.dmp

        memory/1820-217-0x0000000004040000-0x00000000040D1000-memory.dmp

        memory/1820-218-0x00000000040E0000-0x0000000004166000-memory.dmp

        memory/2404-109-0x0000000000220000-0x00000000002A6000-memory.dmp