6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a

General

Target

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Size

3.1MB
MD5

5a437c5354580759ec98193b37ee9717
SHA1

37b9344ac53d66acdc47c4ec81d5d90ef8fd6473
SHA256

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a
SHA512

2938ad45ecd8b53a414d993a5d3774855bb47c655747d207ae63a71eb06410149399a4e500b8b8f514850c49a12fffe4b04d5aa82a0d5383e3506c4388563bac
SSDEEP

98304:qWubjvL8Qe073bgIIAhrTn7mvkkPAfvVq:q5ZeWIAh30kkMvVq

Score

8^/10

adware discovery persistence spyware stealer

Malware Config

Signatures

Registers COM server for autorun 1 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\InprocServer32\ = "C:\\Program Files (x86)\\cosstminn\\zLx06ry.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exeregsvr32.exeregsvr32.exe

pid process

4952 6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
532 regsvr32.exe
2032 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:

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljdaahnobaaejfkfpmiijmkkidncceaa\2.0\manifest.json	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljdaahnobaaejfkfpmiijmkkidncceaa\2.0\manifest.json	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljdaahnobaaejfkfpmiijmkkidncceaa\2.0\manifest.json	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljdaahnobaaejfkfpmiijmkkidncceaa\2.0\manifest.json	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljdaahnobaaejfkfpmiijmkkidncceaa\2.0\manifest.json	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.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.exe6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\ = "cosstminn"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\ = "cosstminn"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\NoExplorer = "1"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	regsvr32.exe

Drops file in System32 directory 4 IoCs

Processes:

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

Drops file in Program Files directory 8 IoCs

Processes:

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\cosstminn\zLx06ry.tlb	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File created	C:\Program Files (x86)\cosstminn\zLx06ry.dat	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File opened for modification	C:\Program Files (x86)\cosstminn\zLx06ry.dat	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File created	C:\Program Files (x86)\cosstminn\zLx06ry.x64.dll	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File opened for modification	C:\Program Files (x86)\cosstminn\zLx06ry.x64.dll	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File created	C:\Program Files (x86)\cosstminn\zLx06ry.dll	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File opened for modification	C:\Program Files (x86)\cosstminn\zLx06ry.dll	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File created	C:\Program Files (x86)\cosstminn\zLx06ry.tlb	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exe6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

Modifies registry class 64 IoCs

Processes:

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\VersionIndependentProgID\ = "cosstminn"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\Programmable	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn\CLSID\ = "{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn.2.0\ = "cosstminn"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn\ = "cosstminn"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\VersionIndependentProgID	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn\CLSID	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn\CLSID\ = "{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\ProgID	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn.2.0\ = "cosstminn"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn.2.0\CLSID\ = "{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\InprocServer32\ = "C:\\Program Files (x86)\\cosstminn\\zLx06ry.dll"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn.2.0\CLSID\ = "{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\VersionIndependentProgID\ = "cosstminn"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\InprocServer32\ThreadingModel = "Apartment"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\ = "cosstminn"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\cosstminn\\zLx06ry.tlb"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn\ = "cosstminn"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\ = "cosstminn"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\Programmable	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn\CurVer	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

pid	process
4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

description	pid	process
Token: SeDebugPrivilege	4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Token: SeDebugPrivilege	4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Token: SeDebugPrivilege	4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Token: SeDebugPrivilege	4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Token: SeDebugPrivilege	4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Token: SeDebugPrivilege	4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exeregsvr32.exe

description	pid	process	target process
PID 4952 wrote to memory of 532	4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe	regsvr32.exe
PID 4952 wrote to memory of 532	4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe	regsvr32.exe
PID 4952 wrote to memory of 532	4952	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe	regsvr32.exe
PID 532 wrote to memory of 2032	532	regsvr32.exe	regsvr32.exe
PID 532 wrote to memory of 2032	532	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2} = "1"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

C:\Users\Admin\AppData\Local\Temp\6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
"C:\Users\Admin\AppData\Local\Temp\6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.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:4952

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\cosstminn\zLx06ry.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:532

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\cosstminn\zLx06ry.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:2032

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4940

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:4860

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

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)\cosstminn\zLx06ry.dat
Filesize
4KB

MD5
bd17def5ad8f3d19176401d6e85dd130

SHA1
952b15f1f6b07a3397c0210d872ac4dedd39a47b

SHA256
201b72f7d046ee9fa8618beccc386b871c31b0b73f2f2383b9999712a1217285

SHA512
7bf6ea6c10b776c2ba9e7da54df5ebbaf3c097ec8148d832d32f91092329e39a15964648cf4335a22953244e9e01a29972ee7991c7160fa2a26f52de36b3dddf

Download Submit
C:\Program Files (x86)\cosstminn\zLx06ry.dll
Filesize
610KB

MD5
e6b1dcd76c32ee9d165867e9e264070c

SHA1
e27d03c15751ee9a57f4177fca5de359b8d36d4e

SHA256
7745c83eaf3ea86601740479c8be95ffc0ea4b8d4975829cd415034e398ff60a

SHA512
43f8621d6ea3030c2cfdf329b911526c7a25abec2442309c3bfe40dd5726d1fe371a4f621016529fb1bfa73578bb5eb5babcac70939bc274073614919b9970e5

Download Submit
C:\Program Files (x86)\cosstminn\zLx06ry.tlb
Filesize
3KB

MD5
4aaac5bdfd389acc2fef6f90b968d8eb

SHA1
0648a3524009d361480cb497d1b842d462a354c7

SHA256
dd7cbb20981929ef6ae7ba1b6e50a8dd73309a2715caddae3d1b426d9318817e

SHA512
c82a8d46e57b498774b70d91d0212f34278b440fda4308c6e27e8763341630bee0553a8db66445a63126fd9feb1de036fe1f11e92eb429d39c009c20cb35da3a

Download Submit
C:\Program Files (x86)\cosstminn\zLx06ry.x64.dll
Filesize
687KB

MD5
d1bfb50a3b3b04c79d5954ddaa7b63c0

SHA1
8aa33e704752d0e6508d0f45894b2a8f8476e555

SHA256
d7d1337b335e9479ff48cfdb8610d557139353767cdc38d4e3aa4a79880593ef

SHA512
ecfe78d99ec67e08af56d186ab1bd4bdf6d7d4f3c88a689d81ac532f2b5731198dfce3285c966954b3d7e0fb2afef05b5d66e960ab2e7da67cfc444c204839af

Download Submit
C:\Program Files (x86)\cosstminn\zLx06ry.x64.dll
Filesize
687KB

MD5
d1bfb50a3b3b04c79d5954ddaa7b63c0

SHA1
8aa33e704752d0e6508d0f45894b2a8f8476e555

SHA256
d7d1337b335e9479ff48cfdb8610d557139353767cdc38d4e3aa4a79880593ef

SHA512
ecfe78d99ec67e08af56d186ab1bd4bdf6d7d4f3c88a689d81ac532f2b5731198dfce3285c966954b3d7e0fb2afef05b5d66e960ab2e7da67cfc444c204839af

Download Submit
C:\Program Files (x86)\cosstminn\zLx06ry.x64.dll
Filesize
687KB

MD5
d1bfb50a3b3b04c79d5954ddaa7b63c0

SHA1
8aa33e704752d0e6508d0f45894b2a8f8476e555

SHA256
d7d1337b335e9479ff48cfdb8610d557139353767cdc38d4e3aa4a79880593ef

SHA512
ecfe78d99ec67e08af56d186ab1bd4bdf6d7d4f3c88a689d81ac532f2b5731198dfce3285c966954b3d7e0fb2afef05b5d66e960ab2e7da67cfc444c204839af

Download Submit
memory/532-138-0x0000000000000000-mapping.dmp

Download
memory/2032-141-0x0000000000000000-mapping.dmp

Download
memory/4952-132-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads