Overview

overview

10

Static

static

5

a80146d377...18.exe

windows7-x64

10

a80146d377...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    14/06/2024, 04:26

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General

  • Target
    a80146d37720556f31322741b751257a_JaffaCakes118.exe
  • Size 512KB
  • Sample240614-e2mf5svenh
  • SHA256 0dbc72585b456a451d16e64a461fd6c44af43948ad9e9301ac9e52ea061aaf98
  • 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
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • 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 6 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 4 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 AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 43 IoCs
  • Suspicious use of SendNotifyMessage 35 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\a80146d37720556f31322741b751257a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a80146d37720556f31322741b751257a_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:2784
    • C:\Windows\SysWOW64\jtmoqdlhbv.exe
      jtmoqdlhbv.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:2196
      • C:\Windows\SysWOW64\rkdxhkri.exe
        C:\Windows\system32\rkdxhkri.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:2864
    • C:\Windows\SysWOW64\nafazwvwzrtodpa.exe
      nafazwvwzrtodpa.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2856
    • C:\Windows\SysWOW64\rkdxhkri.exe
      rkdxhkri.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:2568
    • C:\Windows\SysWOW64\pjrcaggwrkgsz.exe
      pjrcaggwrkgsz.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2732
    • 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
      PID:2596
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1752

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        PROTTPLV.DOC.exe
        • Path C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe
        • Size 512KB
        • SHA256 f2808779322d1e0252119f335e426dec7319dce4b6abaf84a3e8dc52d2f63095
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        index.dat
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
        • Size 68B
        • SHA256 22080aceaafd79b42372e17bd7e498bcf00acd20b804649de41a6b7efe8a2236
        • MD5 SHA1 SHA512
        Submit Download

        nafazwvwzrtodpa.exe
        • Path C:\Windows\SysWOW64\nafazwvwzrtodpa.exe
        • Size 512KB
        • SHA256 fe44ba77d77ca580efd210c63ba6800d20e3ec0a6bade520cc899750fb4e4a6f
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

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

        jtmoqdlhbv.exe
        • Path \Windows\SysWOW64\jtmoqdlhbv.exe
        • Size 512KB
        • SHA256 0836dbca46bb358db21a6d441aa14bce41807606991bc17564a2a3a60dd8ff13
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        pjrcaggwrkgsz.exe
        • Path \Windows\SysWOW64\pjrcaggwrkgsz.exe
        • Size 512KB
        • SHA256 89beee5672a94371aaee7eca295acf4058e7fcd8a12e07d9ed485b68703767c5
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        rkdxhkri.exe
        • Path \Windows\SysWOW64\rkdxhkri.exe
        • Size 512KB
        • SHA256 81904fe2e2435a1300e56bf1905002284016a4809a16386733fd0eb1d112fe37
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/1752-79-0x00000000029A0000-0x00000000029B0000-memory.dmp
        Download

        memory/2596-45-0x000000005FFF0000-0x0000000060000000-memory.dmp
        Download

        memory/2784-0-0x0000000000400000-0x0000000000496000-memory.dmp
        Download