44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888

General

Target

44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Size

4.3MB
MD5

9a33d64867936ef1c846391d2c839f99
SHA1

275b3d6ac948180975e37ad46c9f19c636fbb167
SHA256

44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888
SHA512

31d11329b386859c6ecfac2321f99290ef81d56f87d311d07f427b6f225d4e82f45099db85035bf88892710b00d17cded1aa88386f2e8ed0eeb41144a340d848
SSDEEP

49152:lSuK4jZ0WHCpNqLmxup4QdGKvghxfki1kOCrZguQnyjSlM/Zf0weeDNxAr:k2Z0NvqaKcpWZgAj8MNtLNxA

Score

8^/10

adware discovery persistence 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\{8b48d205-6362-4251-ad66-a08383fabf06}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\aW8WlZFuLsnYSd.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exeregsvr32.exeregsvr32.exe

pid process

2804 44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
2324 regsvr32.exe
2924 regsvr32.exe
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

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:

44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8b48d205-6362-4251-ad66-a08383fabf06}	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8b48d205-6362-4251-ad66-a08383fabf06}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8b48d205-6362-4251-ad66-a08383fabf06}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8b48d205-6362-4251-ad66-a08383fabf06}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8b48d205-6362-4251-ad66-a08383fabf06}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8b48d205-6362-4251-ad66-a08383fabf06}	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8b48d205-6362-4251-ad66-a08383fabf06}\ = "GoSave"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8b48d205-6362-4251-ad66-a08383fabf06}\NoExplorer = "1"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe

Drops file in Program Files directory 8 IoCs

Processes:

44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GoSave\aW8WlZFuLsnYSd.dat	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
File created	C:\Program Files (x86)\GoSave\aW8WlZFuLsnYSd.x64.dll	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
File opened for modification	C:\Program Files (x86)\GoSave\aW8WlZFuLsnYSd.x64.dll	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
File created	C:\Program Files (x86)\GoSave\aW8WlZFuLsnYSd.dll	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
File opened for modification	C:\Program Files (x86)\GoSave\aW8WlZFuLsnYSd.dll	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
File created	C:\Program Files (x86)\GoSave\aW8WlZFuLsnYSd.tlb	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
File opened for modification	C:\Program Files (x86)\GoSave\aW8WlZFuLsnYSd.tlb	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
File created	C:\Program Files (x86)\GoSave\aW8WlZFuLsnYSd.dat	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2384 2804 WerFault.exe 44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe

pid	pid_target	process	target process
2384	2804	WerFault.exe	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exe44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{8b48d205-6362-4251-ad66-a08383fabf06}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{8b48d205-6362-4251-ad66-a08383fabf06}	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{8B48D205-6362-4251-AD66-A08383FABF06}	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{8B48D205-6362-4251-AD66-A08383FABF06}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\ProgID	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\aW8WlZFuLsnYSd.x64.dll"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\InprocServer32	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\ = "GoSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\ = "GoSave"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\VersionIndependentProgID\	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B48D205-6362-4251-AD66-A08383FABF06}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8B48D205-6362-4251-AD66-A08383FABF06}\Implemented Categories	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{8b48d205-6362-4251-ad66-a08383fabf06}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\InprocServer32\ThreadingModel = "Apartment"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\ProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{8b48d205-6362-4251-ad66-a08383fabf06}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\VersionIndependentProgID\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\ProgID\ = ".9"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8B48D205-6362-4251-AD66-A08383FABF06}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\ProgID	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06}\VersionIndependentProgID	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe

pid	process
2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe

description	pid	process
Token: SeDebugPrivilege	2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Token: SeDebugPrivilege	2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Token: SeDebugPrivilege	2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Token: SeDebugPrivilege	2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Token: SeDebugPrivilege	2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
Token: SeDebugPrivilege	2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exeregsvr32.exe

description	pid	process	target process
PID 2804 wrote to memory of 2324	2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe	regsvr32.exe
PID 2804 wrote to memory of 2324	2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe	regsvr32.exe
PID 2804 wrote to memory of 2324	2804	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe	regsvr32.exe
PID 2324 wrote to memory of 2924	2324	regsvr32.exe	regsvr32.exe
PID 2324 wrote to memory of 2924	2324	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{8b48d205-6362-4251-ad66-a08383fabf06} = "1"	44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe

C:\Users\Admin\AppData\Local\Temp\44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe
"C:\Users\Admin\AppData\Local\Temp\44e5e7661a6efbb4d6b2f7f7e107b24879cc0cd9132dd5b85e1a881a69f14888.exe"
1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2804

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\aW8WlZFuLsnYSd.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2324

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\aW8WlZFuLsnYSd.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:2924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2804 -s 716
2⤵
- Program crash
PID:2384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2804 -ip 2804
1⤵
PID:2304

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\GoSave\aW8WlZFuLsnYSd.dat
Filesize
4KB

MD5
ba87c09dffdcd11d8288cd6002920adf

SHA1
f1fe5b68f775e5b67cb0683d621753f0d42935cf

SHA256
1514f7e3a132f30da1c1cf41e80d17141baba9f9bb17433af77800d5c0f437b0

SHA512
5878b65d3874ec649eec5d14a3f85f866b4b285d337ba370a07405a6c71dc3ecad7f1d1488a2568db5c27a4dd20a26af9cc567078ba6447c6cc99c3979da249f

Download Submit
C:\Program Files (x86)\GoSave\aW8WlZFuLsnYSd.dll
Filesize
738KB

MD5
49961c7c9a7aef57f49adf50d1c810f6

SHA1
fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

SHA256
c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

SHA512
8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

Download Submit
C:\Program Files (x86)\GoSave\aW8WlZFuLsnYSd.tlb
Filesize
3KB

MD5
e3ab22d8beac0180520ab5289a64419b

SHA1
1456ba2c78b293e5a80185fefdf05f5dbe424937

SHA256
0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

SHA512
c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

Download Submit
C:\Program Files (x86)\GoSave\aW8WlZFuLsnYSd.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\GoSave\aW8WlZFuLsnYSd.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\GoSave\aW8WlZFuLsnYSd.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
memory/2324-138-0x0000000000000000-mapping.dmp

Download
memory/2804-132-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2924-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads