85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9

General

Target

85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Size

3.8MB
MD5

337ae910525f232eebbc809089c813ba
SHA1

91240f8e3a63b5ca4ce74c8a5ae9343545c48c4d
SHA256

85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9
SHA512

06b2ed034b9e8f0c4970fabca1bf2599b3f0e803ef2b61e29796649141bbc8ae3f296c0b3dd1c48b0747d61a482ea936a0c90140988a4edf6ee11ff58f0773cf
SSDEEP

98304:I6745krbYCte1BW+MTbk++V6v70zejG6fCxr22sr5WYC1/qNiPcqZ/uFvYaDglkE:YkrlXtyVLYe1tV

Score

8^/10

adware discovery persistence spyware stealer

Malware Config

Signatures

Registers COM server for autorun 1 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32\ = "C:\\Program Files (x86)\\Adblocker\\RfCEUBsvU.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exeregsvr32.exeregsvr32.exe

pid process

4836 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
4916 regsvr32.exe
1888 regsvr32.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

pid	process
4836	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
4916	regsvr32.exe
1888	regsvr32.exe

Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

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

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

regsvr32.exe85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\ = "Adblocker"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\ = "Adblocker"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\NoExplorer = "1"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}	regsvr32.exe

Drops file in Program Files directory 8 IoCs

Processes:

85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adblocker\RfCEUBsvU.dat	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
File created	C:\Program Files (x86)\Adblocker\RfCEUBsvU.x64.dll	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
File opened for modification	C:\Program Files (x86)\Adblocker\RfCEUBsvU.x64.dll	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
File created	C:\Program Files (x86)\Adblocker\RfCEUBsvU.dll	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
File opened for modification	C:\Program Files (x86)\Adblocker\RfCEUBsvU.dll	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
File created	C:\Program Files (x86)\Adblocker\RfCEUBsvU.tlb	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
File opened for modification	C:\Program Files (x86)\Adblocker\RfCEUBsvU.tlb	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
File created	C:\Program Files (x86)\Adblocker\RfCEUBsvU.dat	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exe85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\ = "Adblocker"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\VersionIndependentProgID\ = "Adblocker"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\Adblocker\\RfCEUBsvU.tlb"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32\ThreadingModel = "Apartment"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\VersionIndependentProgID	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Adblocker.Adblocker.1.0\CLSID\ = "{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Adblocker.Adblocker\CLSID	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Adblocker.Adblocker.1.0\CLSID\ = "{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Adblocker.Adblocker	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\Adblocker"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Adblocker.Adblocker\CLSID\ = "{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Adblocker.Adblocker\ = "Adblocker"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\VersionIndependentProgID	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\ProgID\ = "Adblocker.1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Adblocker.Adblocker\CurVer\ = "Adblocker.1.0"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\ = "Adblocker"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32\ = "C:\\Program Files (x86)\\Adblocker\\RfCEUBsvU.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\ProgID\ = "Adblocker.1.0"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\VersionIndependentProgID\ = "Adblocker"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Adblocker.Adblocker\ = "Adblocker"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\Programmable	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\ProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exeregsvr32.exe

description	pid	process	target process
PID 4836 wrote to memory of 4916	4836	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe	regsvr32.exe
PID 4836 wrote to memory of 4916	4836	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe	regsvr32.exe
PID 4836 wrote to memory of 4916	4836	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe	regsvr32.exe
PID 4916 wrote to memory of 1888	4916	regsvr32.exe	regsvr32.exe
PID 4916 wrote to memory of 1888	4916	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14} = "1"	85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe

C:\Users\Admin\AppData\Local\Temp\85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
"C:\Users\Admin\AppData\Local\Temp\85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe"
1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4836

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\Adblocker\RfCEUBsvU.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4916

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\Adblocker\RfCEUBsvU.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:1888

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\Adblocker\RfCEUBsvU.dat
Filesize
4KB

MD5
22db3ce17187d180d14153d1f65caf8d

SHA1
a5ce491e95a4d3972e526fb140303839685a9479

SHA256
3e514ddd3f1f95ce6ba71ecce22bacc79a02b7469505d5b360aa1d2255e1c246

SHA512
baf1b1824ababa37f3e632f07b451785eaa345bdc73ce59d4c1c12bd57ad528eb4973e9424d7b9368b23e8ef618b6bd47a2f0acba0084ab4167f924715253a05

Download Submit
C:\Program Files (x86)\Adblocker\RfCEUBsvU.dll
Filesize
612KB

MD5
4e8d65edf539af96ec6861d8445573ae

SHA1
1b4554cd7c108aa09bb3aed009ac8440c0f8bb93

SHA256
f7931fcce1da10bbc25b3aff0b72a6744a7e454d9fc5d83f9c612e142eafee87

SHA512
a0ffd39e17e3e39d12d36bacebd21ac309f09b36e26b786d54e0218d6c41c01a3c3ecfe37aa7c4636f8be3c6821f21a21a3ba327d93fbddcb7adfca591838455

Download Submit
C:\Program Files (x86)\Adblocker\RfCEUBsvU.tlb
Filesize
3KB

MD5
123d8e428b231b034495720766d9db44

SHA1
20db932b0f9fb5045ae866259d4c4c2650e519fe

SHA256
e5a0972cb89bbe9ca59f02a11f145178b7cfee9d43cd2e6729b4d4b9c1809d1f

SHA512
79444ea1e1eecf5adaef18c229516bb095898a7ceed229133a6d6e7082ce02c9e40612ca2b3474d8934f47f41077784cf252ca5832faf0b7063d8cb3c31a1afa

Download Submit
C:\Program Files (x86)\Adblocker\RfCEUBsvU.x64.dll
Filesize
693KB

MD5
036a783b0d4af93086c9bef9bf1ed7d8

SHA1
58624b183fda19f285365c464914d8c342f693e5

SHA256
1cb50065e24f17a830d511888a1d857556e804ad0ad82d67953b3cbf04a406ec

SHA512
5f25cd28cad3bdd19475d2adfe7385cf177f0177010cd30d2cb03b237f011ae14b993a61466b71fa81613b51664f6b7c4ece954e78d667a17146e9aa38752062

Download Submit
C:\Program Files (x86)\Adblocker\RfCEUBsvU.x64.dll
Filesize
693KB

MD5
036a783b0d4af93086c9bef9bf1ed7d8

SHA1
58624b183fda19f285365c464914d8c342f693e5

SHA256
1cb50065e24f17a830d511888a1d857556e804ad0ad82d67953b3cbf04a406ec

SHA512
5f25cd28cad3bdd19475d2adfe7385cf177f0177010cd30d2cb03b237f011ae14b993a61466b71fa81613b51664f6b7c4ece954e78d667a17146e9aa38752062

Download Submit
C:\Program Files (x86)\Adblocker\RfCEUBsvU.x64.dll
Filesize
693KB

MD5
036a783b0d4af93086c9bef9bf1ed7d8

SHA1
58624b183fda19f285365c464914d8c342f693e5

SHA256
1cb50065e24f17a830d511888a1d857556e804ad0ad82d67953b3cbf04a406ec

SHA512
5f25cd28cad3bdd19475d2adfe7385cf177f0177010cd30d2cb03b237f011ae14b993a61466b71fa81613b51664f6b7c4ece954e78d667a17146e9aa38752062

Download Submit
memory/1888-141-0x0000000000000000-mapping.dmp

Download
memory/4836-132-0x0000000000DA0000-0x0000000000E45000-memory.dmp

Filesize
660KB

Download
memory/4916-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads