31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef

General

Target

31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Size

3.6MB
MD5

f57e30875c655be6268184dd08230757
SHA1

ed56fc6bb382b1d4723f4a2452699f896e2568fc
SHA256

31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef
SHA512

bd78fd6ce84fe83b3243b9ec7dac9871b93b5e6f8e5efd37f7ab6642850518b4e34bbf7c427d699db3cdb720eed2f12834cbf035f6c48de9ce8c8e0e8e64a961
SSDEEP

49152:PplCbPQRUD0k1rczqGu34fYK/PkoqtXqfrioWf42N/YtG29nrPc7e6txJ6fSXf8t:CYoG0of5RqtXqfriR42N/29nzirtxJD

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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\InprocServer32\ = "C:\\Program Files (x86)\\GoSavee\\bZal4AHjZTqiax.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exeregsvr32.exeregsvr32.exe

pid process

2596 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
5032 regsvr32.exe
2208 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

pid	process
2596	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
5032	regsvr32.exe
2208	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:

31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\ = "GoSavee"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\ = "GoSavee"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\NoExplorer = "1"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe

Drops file in Program Files directory 8 IoCs

Processes:

31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.dll	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
File created	C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.tlb	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
File opened for modification	C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.tlb	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
File created	C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.dat	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
File opened for modification	C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.dat	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
File created	C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.x64.dll	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
File opened for modification	C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.x64.dll	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
File created	C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.dll	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exe31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{0FE54946-A94F-401A-BDA4-B6BFD4A2D9C3}	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{0FE54946-A94F-401A-BDA4-B6BFD4A2D9C3}	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

regsvr32.exe31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\InprocServer32\ = "C:\\Program Files (x86)\\GoSavee\\bZal4AHjZTqiax.x64.dll"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\VersionIndependentProgID	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\ProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\Programmable	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0FE54946-A94F-401A-BDA4-B6BFD4A2D9C3}	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0FE54946-A94F-401A-BDA4-B6BFD4A2D9C3}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\InprocServer32	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\Programmable	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\ = "GoSavee"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0FE54946-A94F-401A-BDA4-B6BFD4A2D9C3}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\VersionIndependentProgID\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\ProgID	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSavee"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSavee"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\InprocServer32	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSavee"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0FE54946-A94F-401A-BDA4-B6BFD4A2D9C3}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0FE54946-A94F-401A-BDA4-B6BFD4A2D9C3}\Implemented Categories	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exeregsvr32.exe

description	pid	process	target process
PID 2596 wrote to memory of 5032	2596	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe	regsvr32.exe
PID 2596 wrote to memory of 5032	2596	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe	regsvr32.exe
PID 2596 wrote to memory of 5032	2596	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe	regsvr32.exe
PID 5032 wrote to memory of 2208	5032	regsvr32.exe	regsvr32.exe
PID 5032 wrote to memory of 2208	5032	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3} = "1"	31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe

C:\Users\Admin\AppData\Local\Temp\31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
"C:\Users\Admin\AppData\Local\Temp\31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.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:2596

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:5032

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:2208

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

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.dat
Filesize
4KB

MD5
b7ce74fe2df9de1bb45b68af92441d04

SHA1
085c62b184998acba2c6c19cce48dceac7f7053b

SHA256
70be6fc68cf11aa35ca416100108b5772f7056f191c9cdd16830a7e31772854a

SHA512
69cffdcfcabee642d1e800c6cdcfdb6d22b538fb001495047e5b53129b1a323fa045c0c97ab21678ba24f8f0f48045af7127ba8ee567b2f27b41cb61ba8dee0e

Download Submit
C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.dll
Filesize
617KB

MD5
5b02fe261c5832aba1e2b35228934c17

SHA1
b30aef32bfc7fb93add291dd7699d209fc3a60c1

SHA256
af2632d8ad1a0b0e706f260de79b687cf94855d911bf5fc9d4b7007e256e7a6c

SHA512
936b81acb1219be1c18b958f4fc3bd7c5c1ab617fa20e76db165f6ffdb2f674c602c18522980527d84cad7a93dcc79cb222e5e4a8b301298ec141a8b6eb26e72

Download Submit
C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.tlb
Filesize
3KB

MD5
934268ece04f6de7c76bfed3478cf1d4

SHA1
a4e0ca22b9db6bfcf061d76e8101ef7559813954

SHA256
ab54518451a446e00679b2dbecd9285d8a96841ad27df558a2e0b6ce55252b8c

SHA512
043fa5fd301b7bbdb6f9ee7766c46dfe5da897b7f7dd164372326416fdb1b7cb3c3809f1293b987077ded2664daf123f9bb217cb12c7d9bf923b1df6a2afccea

Download Submit
C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.x64.dll
Filesize
700KB

MD5
5bdec27c100693ecb0b61cc2555e8505

SHA1
771242d417269c2f9150d649f06e6ec8e8bd8cb7

SHA256
ca873de4e82bcaefde87f524b1284723ee61e70767bcb9f45f78a2e52547b326

SHA512
1b4067351a9912bdd4ad0285470396273563336bad6029c2d05e48fb1fd9971c69115cca1ec46dc7ce37274c7c48a2364498cb180563f7871cd838aebbd8c6b4

Download Submit
C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.x64.dll
Filesize
700KB

MD5
5bdec27c100693ecb0b61cc2555e8505

SHA1
771242d417269c2f9150d649f06e6ec8e8bd8cb7

SHA256
ca873de4e82bcaefde87f524b1284723ee61e70767bcb9f45f78a2e52547b326

SHA512
1b4067351a9912bdd4ad0285470396273563336bad6029c2d05e48fb1fd9971c69115cca1ec46dc7ce37274c7c48a2364498cb180563f7871cd838aebbd8c6b4

Download Submit
C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.x64.dll
Filesize
700KB

MD5
5bdec27c100693ecb0b61cc2555e8505

SHA1
771242d417269c2f9150d649f06e6ec8e8bd8cb7

SHA256
ca873de4e82bcaefde87f524b1284723ee61e70767bcb9f45f78a2e52547b326

SHA512
1b4067351a9912bdd4ad0285470396273563336bad6029c2d05e48fb1fd9971c69115cca1ec46dc7ce37274c7c48a2364498cb180563f7871cd838aebbd8c6b4

Download Submit
memory/2208-141-0x0000000000000000-mapping.dmp

Download
memory/2596-132-0x00000000032D0000-0x0000000003372000-memory.dmp

Filesize
648KB

Download
memory/5032-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads