55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4

General

Target

55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Size

3.3MB
MD5

09040c6541c7ee566a9d6293af4e2f7f
SHA1

72ec1083d0a3e1f912189b631ad9614866904306
SHA256

55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4
SHA512

abfcab61da064e78d0cd598e2d2fe7d2238f48c53cdb0d99df1457bee211505ee5156e4bec38fe342b894d1a29fe42f10a7f43f7a2319ffb7555f8c530c79f89
SSDEEP

49152:DVZ5PUYt3FkqlNJNBjJAIQC/tbFXAq6JE8i6PR2M+yNfcRZp5:DVvtJjNRYE8XfV

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\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\InprocServer32\ = "C:\\Program Files (x86)\\GOSSave\\bLCah71IRamlGV.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exeregsvr32.exeregsvr32.exe

pid process

2860 55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
3076 regsvr32.exe
316 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 5 IoCs

Processes:

55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe

description	ioc	process
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\hidchojkbbdckncppfmbjbboafdpohnc\2.0\manifest.json	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\hidchojkbbdckncppfmbjbboafdpohnc\2.0\manifest.json	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\hidchojkbbdckncppfmbjbboafdpohnc\2.0\manifest.json	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\hidchojkbbdckncppfmbjbboafdpohnc\2.0\manifest.json	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\hidchojkbbdckncppfmbjbboafdpohnc\2.0\manifest.json	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.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.exe55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\ = "GOSSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\ = "GOSSave"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\NoExplorer = "1"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe

Drops file in System32 directory 4 IoCs

Processes:

55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe

Drops file in Program Files directory 8 IoCs

Processes:

55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GOSSave\bLCah71IRamlGV.x64.dll	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
File created	C:\Program Files (x86)\GOSSave\bLCah71IRamlGV.dll	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
File opened for modification	C:\Program Files (x86)\GOSSave\bLCah71IRamlGV.dll	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
File created	C:\Program Files (x86)\GOSSave\bLCah71IRamlGV.tlb	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
File opened for modification	C:\Program Files (x86)\GOSSave\bLCah71IRamlGV.tlb	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
File created	C:\Program Files (x86)\GOSSave\bLCah71IRamlGV.dat	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
File opened for modification	C:\Program Files (x86)\GOSSave\bLCah71IRamlGV.dat	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
File created	C:\Program Files (x86)\GOSSave\bLCah71IRamlGV.x64.dll	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exe55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{2ECB5BF7-6B1F-4B1F-A102-662C3AC8513D}	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{2ECB5BF7-6B1F-4B1F-A102-662C3AC8513D}	regsvr32.exe
Key deleted	\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	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ECB5BF7-6B1F-4B1F-A102-662C3AC8513D}	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\ProgID\ = ".9"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\Programmable	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\InprocServer32	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GOSSave"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\InprocServer32\ = "C:\\Program Files (x86)\\GOSSave\\bLCah71IRamlGV.dll"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\Programmable	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\VersionIndependentProgID	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2ECB5BF7-6B1F-4B1F-A102-662C3AC8513D}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ECB5BF7-6B1F-4B1F-A102-662C3AC8513D}\Implemented Categories	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ECB5BF7-6B1F-4B1F-A102-662C3AC8513D}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GOSSave"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2ECB5BF7-6B1F-4B1F-A102-662C3AC8513D}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GOSSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\InprocServer32\ = "C:\\Program Files (x86)\\GOSSave\\bLCah71IRamlGV.x64.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GOSSave\\bLCah71IRamlGV.tlb"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\VersionIndependentProgID\	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\ProgID	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\ = "GOSSave"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d}\ProgID	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe

pid	process
2860	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
2860	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
2860	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
2860	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exeregsvr32.exe

description	pid	process	target process
PID 2860 wrote to memory of 3076	2860	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe	regsvr32.exe
PID 2860 wrote to memory of 3076	2860	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe	regsvr32.exe
PID 2860 wrote to memory of 3076	2860	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe	regsvr32.exe
PID 3076 wrote to memory of 316	3076	regsvr32.exe	regsvr32.exe
PID 3076 wrote to memory of 316	3076	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{2ecb5bf7-6b1f-4b1f-a102-662c3ac8513d} = "1"	55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe

C:\Users\Admin\AppData\Local\Temp\55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.exe
"C:\Users\Admin\AppData\Local\Temp\55c2d52e2aeb924d64a44590c1721e7e9246155da3a025bab577123042eba3e4.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 WriteProcessMemory
- System policy modification
PID:2860

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GOSSave\bLCah71IRamlGV.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3076

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GOSSave\bLCah71IRamlGV.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:316

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:5116

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:3728

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)\GOSSave\bLCah71IRamlGV.dat

Filesize
5KB

MD5
7c6259f21f388ed9381045fa0f74ca8c

SHA1
a25c2eebb5060df4075bda0f79d0d4dad9b78153

SHA256
c0f536b416f411da3cfc4ffba203121030bd548c1ee271d20a4ba10e486bd487

SHA512
97a5ec551c70c25d74cbf37d3ad9616f703809c783711882bebfe984db10f22f84648d9843f5dd585fa3a970a3308b0446c84589e679035b49a740d8bdb1bca0

Download Submit
C:\Program Files (x86)\GOSSave\bLCah71IRamlGV.dll

Filesize
613KB

MD5
748d9cd3bdc752d12f45cf798eac8de5

SHA1
fd30cc69cb173920c1162a367459ee3756060b10

SHA256
fb5985728d426dd6004f2e7ee843bffa843ca9dadd72e270e120f1224d9590b6

SHA512
4b2f6cba07887294c9adf53d651127f23bad949ab3162933877b96dcd9c01160f5457c617f9d487f13b284eae6a4726bd808e02c779cd8d3b0149950c9e955ed

Download Submit
C:\Program Files (x86)\GOSSave\bLCah71IRamlGV.tlb

Filesize
3KB

MD5
52866228bb7539656bd8281c08fb2261

SHA1
4c1b05dce1486823ae3cfeb3da9c4160a2cd87da

SHA256
39cc8a6f65f31290fc5178640328a256432a6c5e85476394f7258e30a2422570

SHA512
0eb408b1aa33c9ae50e75c72ffad12f88251dc1420ea3eb13b581e127f5ebaa5e350b4f65d67040f23923d4ce66ddadf594188bf05ae96d41ffbd59ff3e27715

Download Submit
C:\Program Files (x86)\GOSSave\bLCah71IRamlGV.x64.dll

Filesize
693KB

MD5
c9dddde71dbaa1cef628bb002eed6b70

SHA1
6f51e6d4640545a95b7830db997d9ed52a34c09f

SHA256
86c41c24b11fbd48135b5de608b93ff79ab370b674f50777453ef9ea550d6159

SHA512
15c5ace4a80c2f58b51a29977ec1ff62a5a988a4b24f5d75a4dee9bc15c9cd8abd39e7df120fc5f3cc86c9e8e97a855ae883385b8e483da46edb56d3fcff7720

Download Submit
C:\Program Files (x86)\GOSSave\bLCah71IRamlGV.x64.dll

Filesize
693KB

MD5
c9dddde71dbaa1cef628bb002eed6b70

SHA1
6f51e6d4640545a95b7830db997d9ed52a34c09f

SHA256
86c41c24b11fbd48135b5de608b93ff79ab370b674f50777453ef9ea550d6159

SHA512
15c5ace4a80c2f58b51a29977ec1ff62a5a988a4b24f5d75a4dee9bc15c9cd8abd39e7df120fc5f3cc86c9e8e97a855ae883385b8e483da46edb56d3fcff7720

Download Submit
C:\Program Files (x86)\GOSSave\bLCah71IRamlGV.x64.dll

Filesize
693KB

MD5
c9dddde71dbaa1cef628bb002eed6b70

SHA1
6f51e6d4640545a95b7830db997d9ed52a34c09f

SHA256
86c41c24b11fbd48135b5de608b93ff79ab370b674f50777453ef9ea550d6159

SHA512
15c5ace4a80c2f58b51a29977ec1ff62a5a988a4b24f5d75a4dee9bc15c9cd8abd39e7df120fc5f3cc86c9e8e97a855ae883385b8e483da46edb56d3fcff7720

Download Submit
memory/316-141-0x0000000000000000-mapping.dmp

Download
memory/2860-132-0x0000000002D90000-0x0000000002E36000-memory.dmp

Filesize
664KB

Download
memory/3076-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads