Analysis
- max time kernel
118s - max time network
118s - platform
windows7_x64 - resource
win7-20240419-en - resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system - submitted
13/06/2024, 14:27
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a604ede3071be1a17ae40bdc17d1d0eb_JaffaCakes118.dll
Resource
win7-20240419-en
windows7-x64
3 signatures
150 seconds
General
- Target a604ede3071be1a17ae40bdc17d1d0eb_JaffaCakes118.dll
- Size 224KB
- Sample240613-rsxa7ssfnd
- SHA256 e5ab31c1ae92e646313e30e071c94406bc07019ba9ad8409de9c4406148f6a55
- MD5 a604ede3071be1a17ae40bdc17d1d0eb
- SHA1 5f5f8c4b7631fa3671a4f6170dfb401f30f7bf86
- SHA512 720e670cf2de55bbb1d169faf01c0a7f25a827e0d07d3de9bd08e695211d7608c478ab3f94f124b84d4e69c70419a0b284bbba63d91f300d9b28cf6cad4d4ed0
- SSDEEP 3072:xp25uO8X/lLZ7KHQXbij0YpOJryWNCj3g9uSjQmBItzQIwiZ+LSS/ERH1/eGUabT:xWuO8X/lt7KkioWOtJShcaYdRzk
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Installs/modifies Browser Helper Object 2 TTPs 1 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\{293A61AE-CC96-7950-8F4D-B7DF19543512} regsvr32.exe - Modifies registry class 31 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{293A61AE-CC96-7950-8F4D-B7DF19543512}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\ = "ITsAdv" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\TypeLib\ = "{373E0369-863A-4345-BD57-F46DD9A0C4F2}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{293A61AE-CC96-7950-8F4D-B7DF19543512}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{293A61AE-CC96-7950-8F4D-B7DF19543512}\TypeLib\ = "{373E0369-863A-4345-BD57-F46DD9A0C4F2}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\ = "ITsAdv" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{293A61AE-CC96-7950-8F4D-B7DF19543512}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a604ede3071be1a17ae40bdc17d1d0eb_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{293A61AE-CC96-7950-8F4D-B7DF19543512}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{293A61AE-CC96-7950-8F4D-B7DF19543512} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a604ede3071be1a17ae40bdc17d1d0eb_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\TypeLib\ = "{373E0369-863A-4345-BD57-F46DD9A0C4F2}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}\1.0\ = "bho 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{293A61AE-CC96-7950-8F4D-B7DF19543512}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1180 wrote to memory of 1784 1180 regsvr32.exe 28 PID 1180 wrote to memory of 1784 1180 regsvr32.exe 28 PID 1180 wrote to memory of 1784 1180 regsvr32.exe 28 PID 1180 wrote to memory of 1784 1180 regsvr32.exe 28 PID 1180 wrote to memory of 1784 1180 regsvr32.exe 28 PID 1180 wrote to memory of 1784 1180 regsvr32.exe 28 PID 1180 wrote to memory of 1784 1180 regsvr32.exe 28
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\a604ede3071be1a17ae40bdc17d1d0eb_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1180 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\a604ede3071be1a17ae40bdc17d1d0eb_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1784
-