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Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    27/07/2024, 08:33

General

  • Target

    778ccc53d9bc03304518e8f2c93f0e8f_JaffaCakes118.exe

  • Size

    47KB

  • MD5

    778ccc53d9bc03304518e8f2c93f0e8f

  • SHA1

    da2eee16848d39f6e0ef033a7c0adf4fad619e94

  • SHA256

    aff358ac6305a73e571fe0d17f368cbda6159137415ca886d3422c0f3a81ded5

  • SHA512

    b16bf80b0fe359d8245ecb5b8448c8a07747f54ad9befc7c27224f0510559823a6fe0e7d2b987b6ba06d4b7cb1e5b3c43e9001ad35ca8f39464893c53957f353

  • SSDEEP

    768:NNeNnE73LMdK1STfHVdr9ZgahwkSHgQV178vwRQ/dLI3CG+Nxg+EWoQ:Nb77kfbTgaQAQTO/BI3xgq1Q

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 17 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 12 IoCs
  • Modifies registry class 64 IoCs
  • Modifies registry key 1 TTPs 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\778ccc53d9bc03304518e8f2c93f0e8f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\778ccc53d9bc03304518e8f2c93f0e8f_JaffaCakes118.exe"
    1⤵
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2584
    • C:\GGI2K26K.EXE
      C:\GGI2K26K.EXE FDONSZUYCQS
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2176
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "c:\windows\fdonszuycqs.dll"
      2⤵
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2776
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\27RUR9IZIBT.BAT
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2876
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /u /s scrrun.dll
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:2756
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /u /s itss.dll
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2740
      • C:\Windows\SysWOW64\reg.exe
        reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Display Inline Images" /t REG_SZ /d yes /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:2976
      • C:\Windows\SysWOW64\reg.exe
        reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v DisableScriptDebuggerIE /t REG_SZ /d yes /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:2636
      • C:\Windows\SysWOW64\reg.exe
        reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Disable Script Debugger" /t REG_SZ /d yes /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:2848
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /u /s msvidctl.dll
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2972
      • C:\Windows\SysWOW64\reg.exe
        reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v Play_Background_Sounds /t REG_SZ /d no /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:1808
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /u /s vbscript.dll
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2800
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s jscript.dll
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:2808
      • C:\Windows\SysWOW64\reg.exe
        reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Display Inline Videos" /t REG_SZ /d no /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:1592
      • C:\Windows\SysWOW64\reg.exe
        reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v Play_Animations /t REG_SZ /d no /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:2684
      • C:\Windows\SysWOW64\reg.exe
        reg.exe delete HKLM\Software\Microsoft\Windows\CurrentVersion\Run /F
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:2884
      • C:\Windows\SysWOW64\reg.exe
        reg.exe delete HKLM\Software\Microsoft\Windows\CurrentVersion\Run /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:2632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\27RUR9IZIBT.BAT

    Filesize

    1KB

    MD5

    eaababfc3d48375a200c2f1f84242e77

    SHA1

    0f4601f9b49fa3dd4daadae190762092a02c5021

    SHA256

    5ec74888058cfa112df9302932d187cd539f0e58753ce207150a08e404628682

    SHA512

    67958be2662453e4c316c5f0b7181944ae9288bb69e4b79201765ca843d9f260ebb0554c83f1b6c4a2bb28f808ef7822e1d2108dccd851e2b8d0c88c06ce281e

  • C:\GGI2K26K.EXE

    Filesize

    10KB

    MD5

    545207a2c51329d284b28c9be5769d75

    SHA1

    33dba2c5f52eaefd2a24d9e5f2da0dc1c082299f

    SHA256

    ba6890aaa3aa74cf87a2e13e754f3b3d7e9561cab45f050bb604d21ca9a532f0

    SHA512

    6b39e1140e1feec4c5ec54c666ff9cc3dddaa6adf16bc33efde30272c26274e1a663dda0762181d440f7a97c5f2ba979e60ae0df1062637f13b6dfafbd2e4438

  • C:\Program Files\24LS3I\OO8BTFD.EXE

    Filesize

    47KB

    MD5

    778ccc53d9bc03304518e8f2c93f0e8f

    SHA1

    da2eee16848d39f6e0ef033a7c0adf4fad619e94

    SHA256

    aff358ac6305a73e571fe0d17f368cbda6159137415ca886d3422c0f3a81ded5

    SHA512

    b16bf80b0fe359d8245ecb5b8448c8a07747f54ad9befc7c27224f0510559823a6fe0e7d2b987b6ba06d4b7cb1e5b3c43e9001ad35ca8f39464893c53957f353

  • C:\Windows\FDONSZUYCQS.txt

    Filesize

    47KB

    MD5

    2b1a668e886599023df6e2ace036f968

    SHA1

    8a50ad07ef8e6a8025b30f83da5bb2317c43a858

    SHA256

    0fd343347584bb0a74898cccc1d546761d4f85642598b34e69145dbeb7964fc9

    SHA512

    635590e5255c85cf2433813288e3f974d162acb536e09071213f124d0687742c840d11f74e1b2ea18dd34419e8b0b95335c4e539882e05f0507d79757793f5ad

  • \??\c:\windows\fdonszuycqs.dll

    Filesize

    28KB

    MD5

    b058a1cb4bf45a95cfe8665d09435afb

    SHA1

    32ae960f17f6c469c416775940faf81f69e1aaa8

    SHA256

    5d1361846da7c06657d204ec0888a8e3371a0971cc3cc12c79ce6a03c70aa670

    SHA512

    e6e3b90637790ff551b3b5f8b1c10b0155951037582031f7e0bd3d66846d75e2ee74be3aa987e01d9ae2b1678b996a6a6b85c07e0ff2a36e6001542a742ac27f