Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
27/03/2024, 01:02
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
e06627bdd44b37b0d9b846e92cbbdf82.dll
Resource
win7-20240221-en
windows7-x64
3 signatures
150 seconds
General
- Target e06627bdd44b37b0d9b846e92cbbdf82.dll
- Size 47KB
- Sample240327-bd52ssgd94
- SHA256 3c7ad14b8bc62d03489b02d7d1044faa42cd740872cb6647d0d102ef04320f09
- MD5 e06627bdd44b37b0d9b846e92cbbdf82
- SHA1 00d8dbb0f3043cd4b522846a9f66f66388cbf4b9
- SHA512 c879755c1337c688ffb1c32ba1b80be072f25b388547aea571ae55d40964b5d78921ac9173a7d81936b709e53dca3cf12d9f04c0d191bb67205f8f8363125e7b
- SSDEEP 768:3BIIXTQ2rsfLUkmSl+N8R0H/paf30u9Nce2WEumqvGidYs:OIXsSszUtm+8R0HC0uHcnvud
- 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\{676C542B-BC87-47cf-9EEB-1332C04731F6} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{676C542B-BC87-47cf-9EEB-1332C04731F6}\ regsvr32.exe - Modifies registry class 47 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0B9537DF-279F-4D6A-8F0C-DE66127E9642}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0B9537DF-279F-4D6A-8F0C-DE66127E9642}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e06627bdd44b37b0d9b846e92cbbdf82.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34DBC734-EAC0-401F-98A6-A8D8D715F278} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34DBC734-EAC0-401F-98A6-A8D8D715F278}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{676C542B-BC87-47cf-9EEB-1332C04731F6} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0B9537DF-279F-4D6A-8F0C-DE66127E9642} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{676C542B-BC87-47cf-9EEB-1332C04731F6}\VersionIndependentProgID\ = "BHO.FffPlayer" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{676C542B-BC87-47cf-9EEB-1332C04731F6}\InprocServer32\ThreadingModel = "apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{676C542B-BC87-47cf-9EEB-1332C04731F6}\TypeLib\ = "{0B9537DF-279F-4D6A-8F0C-DE66127E9642}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0B9537DF-279F-4D6A-8F0C-DE66127E9642}\1.0\ = "BHO 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0B9537DF-279F-4D6A-8F0C-DE66127E9642}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1\CLSID\ = "{676C542B-BC87-47cf-9EEB-1332C04731F6}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CurVer\ = "BHO.FffPlayer.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0B9537DF-279F-4D6A-8F0C-DE66127E9642}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34DBC734-EAC0-401F-98A6-A8D8D715F278}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34DBC734-EAC0-401F-98A6-A8D8D715F278}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34DBC734-EAC0-401F-98A6-A8D8D715F278}\ = "IFffPlayer" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34DBC734-EAC0-401F-98A6-A8D8D715F278}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34DBC734-EAC0-401F-98A6-A8D8D715F278}\ = "IFffPlayer" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\ = "CFffPlayer Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{676C542B-BC87-47cf-9EEB-1332C04731F6}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34DBC734-EAC0-401F-98A6-A8D8D715F278} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{676C542B-BC87-47cf-9EEB-1332C04731F6}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0B9537DF-279F-4D6A-8F0C-DE66127E9642}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1\ = "CFffPlayer Object" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{676C542B-BC87-47cf-9EEB-1332C04731F6}\ = "CFffPlayer Object" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{676C542B-BC87-47cf-9EEB-1332C04731F6}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34DBC734-EAC0-401F-98A6-A8D8D715F278}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34DBC734-EAC0-401F-98A6-A8D8D715F278}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{676C542B-BC87-47cf-9EEB-1332C04731F6}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{676C542B-BC87-47cf-9EEB-1332C04731F6}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34DBC734-EAC0-401F-98A6-A8D8D715F278}\TypeLib\ = "{0B9537DF-279F-4D6A-8F0C-DE66127E9642}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0B9537DF-279F-4D6A-8F0C-DE66127E9642}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34DBC734-EAC0-401F-98A6-A8D8D715F278}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{34DBC734-EAC0-401F-98A6-A8D8D715F278}\TypeLib\ = "{0B9537DF-279F-4D6A-8F0C-DE66127E9642}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{34DBC734-EAC0-401F-98A6-A8D8D715F278}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FffPlayer\CLSID\ = "{676C542B-BC87-47cf-9EEB-1332C04731F6}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{676C542B-BC87-47cf-9EEB-1332C04731F6}\ProgID\ = "BHO.FffPlayer.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{676C542B-BC87-47cf-9EEB-1332C04731F6}\AppID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{676C542B-BC87-47cf-9EEB-1332C04731F6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e06627bdd44b37b0d9b846e92cbbdf82.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0B9537DF-279F-4D6A-8F0C-DE66127E9642}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0B9537DF-279F-4D6A-8F0C-DE66127E9642}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2556 wrote to memory of 3228 2556 regsvr32.exe 89 PID 2556 wrote to memory of 3228 2556 regsvr32.exe 89 PID 2556 wrote to memory of 3228 2556 regsvr32.exe 89
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\e06627bdd44b37b0d9b846e92cbbdf82.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2556 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\e06627bdd44b37b0d9b846e92cbbdf82.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:3228
-