Analysis
- max time kernel
51s - max time network
53s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
20/06/2024, 01:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
01c46da04eea1fff80494dd1593d83f2_JaffaCakes118.dll
Resource
win7-20240611-en
windows7-x64
3 signatures
150 seconds
General
- Target 01c46da04eea1fff80494dd1593d83f2_JaffaCakes118.dll
- Size 292KB
- Sample240620-b3ldpawdlm
- SHA256 7145980d03eae8a75e0075cd1322f9e18957a9d4c007b24bb97439d579388256
- MD5 01c46da04eea1fff80494dd1593d83f2
- SHA1 f7d5e44dd3d2ae4204137b696d681d9bd409f1fc
- SHA512 fe1bd7d8da052acdd836be0d5408d7332a194f8985fb30fd2faba804fe892703b480060d6874752f8ac7a7e440f08f3de3d83cebde6be5ff8e0202a164496caa
- SSDEEP 6144:eTYwY9BekMLlFpkmr+RaLRJW2K7Q3zM/xmZfNUjtgbw+IE:eT7YXekK1kmr+IbK83Km5Nctpq
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Installs/modifies Browser Helper Object 2 TTPs 2 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2EF5A498-B60D-4D1E-9375-7BBD19316A9A} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2EF5A498-B60D-4D1E-9375-7BBD19316A9A}\ = "winhome" regsvr32.exe - Modifies registry class 47 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{61F94305-DE73-460F-BF69-6EEA44230C87}\ = "IFunPlayer" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\ = "CFunPlayer Object" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{61F94305-DE73-460F-BF69-6EEA44230C87}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{61F94305-DE73-460F-BF69-6EEA44230C87}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{61F94305-DE73-460F-BF69-6EEA44230C87}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EF5A498-B60D-4D1E-9375-7BBD19316A9A}\ = "CFunPlayer Object" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EF5A498-B60D-4D1E-9375-7BBD19316A9A}\TypeLib\ = "{A87C9131-5A11-45A2-826A-A0E5DAE7E48B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A87C9131-5A11-45A2-826A-A0E5DAE7E48B}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{61F94305-DE73-460F-BF69-6EEA44230C87} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{61F94305-DE73-460F-BF69-6EEA44230C87}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{61F94305-DE73-460F-BF69-6EEA44230C87}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EF5A498-B60D-4D1E-9375-7BBD19316A9A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\01c46da04eea1fff80494dd1593d83f2_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EF5A498-B60D-4D1E-9375-7BBD19316A9A}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EF5A498-B60D-4D1E-9375-7BBD19316A9A}\InprocServer32\ThreadingModel = "apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EF5A498-B60D-4D1E-9375-7BBD19316A9A}\AppID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EF5A498-B60D-4D1E-9375-7BBD19316A9A}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A87C9131-5A11-45A2-826A-A0E5DAE7E48B}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A87C9131-5A11-45A2-826A-A0E5DAE7E48B}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{61F94305-DE73-460F-BF69-6EEA44230C87}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EF5A498-B60D-4D1E-9375-7BBD19316A9A}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{61F94305-DE73-460F-BF69-6EEA44230C87}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{61F94305-DE73-460F-BF69-6EEA44230C87}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\CLSID\ = "{2EF5A498-B60D-4D1E-9375-7BBD19316A9A}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CurVer\ = "BHO.FunPlayer.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EF5A498-B60D-4D1E-9375-7BBD19316A9A} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EF5A498-B60D-4D1E-9375-7BBD19316A9A}\ProgID\ = "BHO.FunPlayer.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A87C9131-5A11-45A2-826A-A0E5DAE7E48B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A87C9131-5A11-45A2-826A-A0E5DAE7E48B}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A87C9131-5A11-45A2-826A-A0E5DAE7E48B}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{61F94305-DE73-460F-BF69-6EEA44230C87}\ = "IFunPlayer" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{61F94305-DE73-460F-BF69-6EEA44230C87}\TypeLib\ = "{A87C9131-5A11-45A2-826A-A0E5DAE7E48B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EF5A498-B60D-4D1E-9375-7BBD19316A9A}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EF5A498-B60D-4D1E-9375-7BBD19316A9A}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A87C9131-5A11-45A2-826A-A0E5DAE7E48B}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{61F94305-DE73-460F-BF69-6EEA44230C87} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CLSID\ = "{2EF5A498-B60D-4D1E-9375-7BBD19316A9A}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2EF5A498-B60D-4D1E-9375-7BBD19316A9A}\VersionIndependentProgID\ = "BHO.FunPlayer" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A87C9131-5A11-45A2-826A-A0E5DAE7E48B}\1.0\ = "BHO 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A87C9131-5A11-45A2-826A-A0E5DAE7E48B}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A87C9131-5A11-45A2-826A-A0E5DAE7E48B}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\01c46da04eea1fff80494dd1593d83f2_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{61F94305-DE73-460F-BF69-6EEA44230C87}\TypeLib\ = "{A87C9131-5A11-45A2-826A-A0E5DAE7E48B}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\ = "CFunPlayer Object" regsvr32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4836 wrote to memory of 3800 4836 regsvr32.exe 81 PID 4836 wrote to memory of 3800 4836 regsvr32.exe 81 PID 4836 wrote to memory of 3800 4836 regsvr32.exe 81
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\01c46da04eea1fff80494dd1593d83f2_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4836 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\01c46da04eea1fff80494dd1593d83f2_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:3800
-