Overview

overview

10

Static

static

5

9085257f73...18.exe

windows7-x64

10

9085257f73...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    03/06/2024, 04:24

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General

  • Target
    9085257f73856569fae373230fbc6d9e_JaffaCakes118.exe
  • Size 512KB
  • Sample240603-e1kwxsce66
  • SHA256 f0c05bffc0e423d5a620c9cdf4321d2982651320bb960c28bebb3c64e35000b9
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
evasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • 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.

    spywarestealer
  • Windows security modification 2 TTPs 6 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • 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
    persistence
  • AutoIT Executable 7 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
    adwarespyware
  • Modifies registry class 64 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 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9085257f73856569fae373230fbc6d9e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9085257f73856569fae373230fbc6d9e_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Windows\SysWOW64\mmkajvoast.exe
      mmkajvoast.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
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2592
      • C:\Windows\SysWOW64\lzaymzmp.exe
        C:\Windows\system32\lzaymzmp.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2836
    • C:\Windows\SysWOW64\hdjvpbyhvyysuwr.exe
      hdjvpbyhvyysuwr.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c hdukamjmbbzvm.exe
        3⤵
          PID:2768
      • C:\Windows\SysWOW64\lzaymzmp.exe
        lzaymzmp.exe
        2⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2748
      • C:\Windows\SysWOW64\hdukamjmbbzvm.exe
        hdukamjmbbzvm.exe
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2608
      • 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
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2496
        • C:\Windows\splwow64.exe
          C:\Windows\splwow64.exe 12288
          3⤵
            PID:1432

      Network

            MITRE ATT&CK Enterprise v15

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            Downloads

            PROTTPLN.DOC.exe
            • Path C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe
            • Size 512KB
            • SHA256 4b82519975f239630222ab5a194f5d382f49eb6817f570de0440db5574165ff3
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            index.dat
            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
            • Size 68B
            • SHA256 bbfc58a6de9de17b06417f4ee762f2198fb8be78297e74d9ff4971a04b3e09b6
            • MD5 SHA1 SHA512
            Submit Download

            Normal.dotm
            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
            • Size 20KB
            • SHA256 f17a2173d4c72840e3961a757a167037bfb5be40c8235ec77d614d58087164f4
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            hdjvpbyhvyysuwr.exe
            • Path C:\Windows\SysWOW64\hdjvpbyhvyysuwr.exe
            • Size 512KB
            • SHA256 a98eb48e8e3c38821028e1ab905b284cf4fc6ee5f0c7babc37434b300bf7d6de
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            hdukamjmbbzvm.exe
            • Path C:\Windows\SysWOW64\hdukamjmbbzvm.exe
            • Size 512KB
            • SHA256 53a0419049fb334d084f1dab90c55754033812ba94d243be0cb5a031ebdadd6d
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

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

            PROTTPLV.DOC.exe
            • Path \??\c:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe
            • Size 512KB
            • SHA256 5992289bd2029e7c6ec4c3060b3220d76150380aa0d63ab1cb978d74d7a64cc0
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            lzaymzmp.exe
            • Path \Windows\SysWOW64\lzaymzmp.exe
            • Size 512KB
            • SHA256 521842ea46af50496ef255020b0d9031d756989fcac97ff61bc56f31ede8c237
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            mmkajvoast.exe
            • Path \Windows\SysWOW64\mmkajvoast.exe
            • Size 512KB
            • SHA256 24735e33c08adaeeb9ae4683aa60b90649c568e91ac1e73d899a8113f3674122
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            memory/1776-0-0x0000000000400000-0x0000000000496000-memory.dmp
            Download

            memory/2496-45-0x000000005FFF0000-0x0000000060000000-memory.dmp
            Download

            memory/2496-107-0x000000005FFF0000-0x0000000060000000-memory.dmp
            Download