Overview

overview

10

Static

static

5

930fa2cd09...18.exe

windows7-x64

10

930fa2cd09...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    04/06/2024, 00:01

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General

  • Target
    930fa2cd09ec1041791fa2fba5a4ff17_JaffaCakes118.exe
  • Size 512KB
  • Sample240604-abc3kaea2x
  • SHA256 7f0b385a896f1d533717002c2b789a254f61fd2a6235e4aa989f43fe94df5b7c
  • 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 5 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 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 47 IoCs
  • Suspicious use of SendNotifyMessage 34 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 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\930fa2cd09ec1041791fa2fba5a4ff17_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\930fa2cd09ec1041791fa2fba5a4ff17_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:2796
    • C:\Windows\SysWOW64\nnwrxnurws.exe
      nnwrxnurws.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:1908
      • C:\Windows\SysWOW64\eipfwqgu.exe
        C:\Windows\system32\eipfwqgu.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:2520
    • C:\Windows\SysWOW64\rdomxpsyrnorpxc.exe
      rdomxpsyrnorpxc.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2616
    • C:\Windows\SysWOW64\eipfwqgu.exe
      eipfwqgu.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:2688
    • C:\Windows\SysWOW64\dbazeuyybampf.exe
      dbazeuyybampf.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2604
    • 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:2172
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2256
    • 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:1792

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads

          index.dat
          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
          • Size 56B
          • SHA256 c50c943fe3179647bd4183132fa26167b1f3cf5904dbf7ec5551739f62e70f44
          • MD5 SHA1 SHA512
          Submit Download

          rdomxpsyrnorpxc.exe
          • Path C:\Windows\SysWOW64\rdomxpsyrnorpxc.exe
          • Size 512KB
          • SHA256 f7da15e88b43b7b51f0cb1c83b3952a270634ad9a958d5bac44de967ac588b9e
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

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

          dbazeuyybampf.exe
          • Path \Windows\SysWOW64\dbazeuyybampf.exe
          • Size 512KB
          • SHA256 2dd036325ef8352c763eb3154d1e598af055435d6fe337657d7ff2865383c1b0
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          eipfwqgu.exe
          • Path \Windows\SysWOW64\eipfwqgu.exe
          • Size 512KB
          • SHA256 7bb7c457a3b24c6b71730d85b1221dada3b0d6b766d240c0cd7ab761e5ef89fb
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          nnwrxnurws.exe
          • Path \Windows\SysWOW64\nnwrxnurws.exe
          • Size 512KB
          • SHA256 486e23514a14be94ab5260ce6a2607900709401e6c5f58f93dfec206b7d6ff1f
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          memory/1792-78-0x0000000003BA0000-0x0000000003BB0000-memory.dmp
          Download

          memory/2172-45-0x000000005FFF0000-0x0000000060000000-memory.dmp
          Download

          memory/2796-0-0x0000000000400000-0x0000000000496000-memory.dmp
          Download