Analysis
- max time kernel
91s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
07/04/2024, 23:01
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
e60eba830ccdda00be2268a161ef4cc7_JaffaCakes118.dll
Resource
win7-20240221-en
windows7-x64
4 signatures
150 seconds
General
- Target e60eba830ccdda00be2268a161ef4cc7_JaffaCakes118.dll
- Size 48KB
- Sample240407-2zslpshc69
- SHA256 43ac01371e7df3e32a018c8d9482a25b672b8583ac0755c69e5150e51fe2ce20
- MD5 e60eba830ccdda00be2268a161ef4cc7
- SHA1 a651fea4b43f8253176c0a5e2905d334e3ac3b9b
- SHA512 385cd51adfa8ff9f47b41a1c975d9372ca7e87040a4e2d734ff0ece1c2932ce74ed298b59e232160dcaad3d4eca9b286984b5ca88d6e97e674607076da00f022
- SSDEEP 768:eSAvOeOlAdkMAcBKtmZ24AXtMm7G+3t6Sw9bhNNlbOH9jX7itehqF5I:IOeOAdkMALzq7+96hAX7u9
- 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\{1E8AD682-7232-4EB5-B105-8033E4B4A885} regsvr32.exe - Modifies registry class 42 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\ProgID\ = "IEHlprObj.IEHlprObj.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{1E8AD682-7232-4EB5-B105-8033E4B4A885}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e60eba830ccdda00be2268a161ef4cc7_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\ = "IEHlprObj Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\ = "IIEHlprObj" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\ = "IEHelper 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e60eba830ccdda00be2268a161ef4cc7_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\TypeLib\ = "{1E8AD688-7232-4EB5-B105-8033E4B4A885}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\TypeLib\ = "{1E8AD688-7232-4EB5-B105-8033E4B4A885}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\ = "IIEHlprObj" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\FLAGS regsvr32.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1656 regsvr32.exe 1656 regsvr32.exe 1656 regsvr32.exe 1656 regsvr32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1440 wrote to memory of 1656 1440 regsvr32.exe 85 PID 1440 wrote to memory of 1656 1440 regsvr32.exe 85 PID 1440 wrote to memory of 1656 1440 regsvr32.exe 85
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\e60eba830ccdda00be2268a161ef4cc7_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\e60eba830ccdda00be2268a161ef4cc7_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:1656
-