78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b

General

Target

78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Size

3.8MB
MD5

84fee18f9a48818968910bce94016369
SHA1

b2fc736b0faeddfd19cc3c2038e3e4012f34bb06
SHA256

78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b
SHA512

fdb8d9a1edd78534d0abec3f1f4b537ebe2e9d7a75a51852f29c20127f3081eb8f9bb242587f3c10ea6940e9f805c00fa6adcfe7983a642af2aacfdb5efb6d05
SSDEEP

98304:JdkFv+TNq5bJ1IcbzHUULZJLqL7kAEpEGT0AJ7t9LVvr6llZu:Jdi+T0RJ1z9ilZu

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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\InprocServer32\ = "C:\\Program Files (x86)\\TuinyWalleit\\jZh4FulqQxT8kC.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exeregsvr32.exeregsvr32.exe

pid process

1972 78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
1600 regsvr32.exe
1512 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

Drops Chrome extension 3 IoCs

Processes:

78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\cekaehaopnmcpmlplhlpdbccphimhapc\1.0\manifest.json	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\cekaehaopnmcpmlplhlpdbccphimhapc\1.0\manifest.json	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\cekaehaopnmcpmlplhlpdbccphimhapc\1.0\manifest.json	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.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:

78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{f059af4e-027e-45cd-a59f-51a8108ce3f8}	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f059af4e-027e-45cd-a59f-51a8108ce3f8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\ = "TuinyWalleit"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f059af4e-027e-45cd-a59f-51a8108ce3f8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{f059af4e-027e-45cd-a59f-51a8108ce3f8}	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\ = "TuinyWalleit"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\NoExplorer = "1"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe

Drops file in System32 directory 4 IoCs

Processes:

78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
File opened for modification	C:\Windows\System32\GroupPolicy	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe

Drops file in Program Files directory 8 IoCs

Processes:

78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe

description	ioc	process
File created	C:\Program Files (x86)\TuinyWalleit\jZh4FulqQxT8kC.dat	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
File opened for modification	C:\Program Files (x86)\TuinyWalleit\jZh4FulqQxT8kC.dat	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
File created	C:\Program Files (x86)\TuinyWalleit\jZh4FulqQxT8kC.x64.dll	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
File opened for modification	C:\Program Files (x86)\TuinyWalleit\jZh4FulqQxT8kC.x64.dll	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
File created	C:\Program Files (x86)\TuinyWalleit\jZh4FulqQxT8kC.dll	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
File opened for modification	C:\Program Files (x86)\TuinyWalleit\jZh4FulqQxT8kC.dll	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
File created	C:\Program Files (x86)\TuinyWalleit\jZh4FulqQxT8kC.tlb	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
File opened for modification	C:\Program Files (x86)\TuinyWalleit\jZh4FulqQxT8kC.tlb	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exe78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{f059af4e-027e-45cd-a59f-51a8108ce3f8}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{f059af4e-027e-45cd-a59f-51a8108ce3f8}	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{F059AF4E-027E-45CD-A59F-51A8108CE3F8}	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{F059AF4E-027E-45CD-A59F-51A8108CE3F8}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

regsvr32.exe78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\ = "TuinyWalleit"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\InprocServer32\ThreadingModel = "Apartment"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F059AF4E-027E-45CD-A59F-51A8108CE3F8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "TuinyWalleit"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\InprocServer32	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\ProgID\ = ".9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{f059af4e-027e-45cd-a59f-51a8108ce3f8}"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\ProgID	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\TuinyWalleit"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "TuinyWalleit"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\InprocServer32\ = "C:\\Program Files (x86)\\TuinyWalleit\\jZh4FulqQxT8kC.x64.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\InprocServer32	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F059AF4E-027E-45CD-A59F-51A8108CE3F8}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\ProgID	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\VersionIndependentProgID\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{f059af4e-027e-45cd-a59f-51a8108ce3f8}"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\ = "TuinyWalleit"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\VersionIndependentProgID\	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}\Programmable	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8}	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F059AF4E-027E-45CD-A59F-51A8108CE3F8}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe

pid	process
1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe

description	pid	process
Token: SeDebugPrivilege	1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Token: SeDebugPrivilege	1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Token: SeDebugPrivilege	1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Token: SeDebugPrivilege	1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Token: SeDebugPrivilege	1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Token: SeDebugPrivilege	1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exeregsvr32.exe

description	pid	process	target process
PID 1972 wrote to memory of 1600	1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe	regsvr32.exe
PID 1972 wrote to memory of 1600	1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe	regsvr32.exe
PID 1972 wrote to memory of 1600	1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe	regsvr32.exe
PID 1972 wrote to memory of 1600	1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe	regsvr32.exe
PID 1972 wrote to memory of 1600	1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe	regsvr32.exe
PID 1972 wrote to memory of 1600	1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe	regsvr32.exe
PID 1972 wrote to memory of 1600	1972	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe	regsvr32.exe
PID 1600 wrote to memory of 1512	1600	regsvr32.exe	regsvr32.exe
PID 1600 wrote to memory of 1512	1600	regsvr32.exe	regsvr32.exe
PID 1600 wrote to memory of 1512	1600	regsvr32.exe	regsvr32.exe
PID 1600 wrote to memory of 1512	1600	regsvr32.exe	regsvr32.exe
PID 1600 wrote to memory of 1512	1600	regsvr32.exe	regsvr32.exe
PID 1600 wrote to memory of 1512	1600	regsvr32.exe	regsvr32.exe
PID 1600 wrote to memory of 1512	1600	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{f059af4e-027e-45cd-a59f-51a8108ce3f8} = "1"	78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe

C:\Users\Admin\AppData\Local\Temp\78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe
"C:\Users\Admin\AppData\Local\Temp\78de17bbc0d42a87bdbec5c696c60b1b5751dc17cbd688c43bf89eba17d5076b.exe"
1⤵
- Loads dropped DLL
- Drops Chrome extension
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- 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:1972

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\TuinyWalleit\jZh4FulqQxT8kC.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1600

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\TuinyWalleit\jZh4FulqQxT8kC.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:1512

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

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\TuinyWalleit\jZh4FulqQxT8kC.dat
Filesize
4KB

MD5
94c2c781c3019c43b5e890330db020d1

SHA1
8a30ecc2f6da66042281be1d152c857d0bbb25ce

SHA256
79b00a872e6c5648725520513cc9aaa752062bad97b5dfe9de75cb21481908ba

SHA512
07117064fc92d2c4ad69ec7ae13007d905acae4549dced02c07233a9859544ae51f98fb87b8b2da6694d6d66f2d6fdf8d56917b93a5515569ed03c4a0dbc0b14

Download Submit
C:\Program Files (x86)\TuinyWalleit\jZh4FulqQxT8kC.tlb
Filesize
3KB

MD5
9118531242e7d086042b37efdce9b101

SHA1
ecc5947911756c031900a0f75ae15a8d627321dc

SHA256
a9510cbaa4561de318f727888576e387537db2848a95477a3940556752dfb306

SHA512
e4bf0104ba69741baf752535f92d5e763f7df099a7da8be7eb8e9307a0bd08eb8625ae991d8cfa21a6ac9e10e4f55b00d70b8220b4fad94761e79e4c69ac2f6c

Download Submit
C:\Program Files (x86)\TuinyWalleit\jZh4FulqQxT8kC.x64.dll
Filesize
693KB

MD5
5998913e8943a7b684210fe19bad1e0e

SHA1
5c745d6faf13ffbc271fd661e5f18365fb6bac46

SHA256
11ef4753bd4abdf9ec650a637fecd8a549b5c08b6742554f228e222a76a1a1f6

SHA512
a0dc8441fe7c6aee3b43529ca5b0a7f77aad95dd58c6a7ebd47f3e9233e106ae321e5f77ae2675483e3f86f61e8ac2dc8750e2618265ae19575bc17cbd61aeef

Download Submit
\Program Files (x86)\TuinyWalleit\jZh4FulqQxT8kC.dll
Filesize
615KB

MD5
7bcbc1267b58f0b7147373180de1f7f0

SHA1
683da53d33a2889f3cbab02e1678528490f10916

SHA256
c8ea6a0b4bddd26d19c10d32ee92cacfa87ec68d4412ae2d15ee4e7038f1b666

SHA512
1594cec496a4068eb3a417f4643837412cbd9fbc4349517d8705449dace091db2d89b8496ffe20651fcc6b0d77e94211924ebddc764d910ef0cb86e72a715a67

Download Submit
\Program Files (x86)\TuinyWalleit\jZh4FulqQxT8kC.x64.dll
Filesize
693KB

MD5
5998913e8943a7b684210fe19bad1e0e

SHA1
5c745d6faf13ffbc271fd661e5f18365fb6bac46

SHA256
11ef4753bd4abdf9ec650a637fecd8a549b5c08b6742554f228e222a76a1a1f6

SHA512
a0dc8441fe7c6aee3b43529ca5b0a7f77aad95dd58c6a7ebd47f3e9233e106ae321e5f77ae2675483e3f86f61e8ac2dc8750e2618265ae19575bc17cbd61aeef

Download Submit
\Program Files (x86)\TuinyWalleit\jZh4FulqQxT8kC.x64.dll
Filesize
693KB

MD5
5998913e8943a7b684210fe19bad1e0e

SHA1
5c745d6faf13ffbc271fd661e5f18365fb6bac46

SHA256
11ef4753bd4abdf9ec650a637fecd8a549b5c08b6742554f228e222a76a1a1f6

SHA512
a0dc8441fe7c6aee3b43529ca5b0a7f77aad95dd58c6a7ebd47f3e9233e106ae321e5f77ae2675483e3f86f61e8ac2dc8750e2618265ae19575bc17cbd61aeef

Download Submit
memory/1512-65-0x0000000000000000-mapping.dmp

Download
memory/1512-66-0x000007FEFB881000-0x000007FEFB883000-memory.dmp

Filesize
8KB

Download
memory/1600-61-0x0000000000000000-mapping.dmp

Download
memory/1972-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download
memory/1972-55-0x00000000027F0000-0x0000000002894000-memory.dmp

Filesize
656KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads