ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd

General

Target

ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Size

2.9MB
MD5

63fb721e15a6495fea24edd62e68d0e2
SHA1

75fe9324b20d79b3786ddd351f0e87194452abee
SHA256

ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd
SHA512

3fd05db8569af2c96f232660707867f58e022bbc288e050e484cb1c82b100753bbf0e4261347b009476c6d42a4a1556e8a8fca1c4b9b4e63c8aa45f5777dc656
SSDEEP

49152:4/1EeXBpqSAN+4xOSVuGzZi8/zzQyZGj9//DTP0uGp4qR/jAFQ:uNRbA1ZGN/0uGp4q

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 deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\InprocServer32\ = "C:\\Program Files (x86)\\cosstminn\\P59Xc4CjV.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exeregsvr32.exeregsvr32.exe

pid process

4868 ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
3952 regsvr32.exe
204 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:

ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe

description	ioc	process
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\anbdohcadkbennckdnpmfdkpndogilah\2.0\manifest.json	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\anbdohcadkbennckdnpmfdkpndogilah\2.0\manifest.json	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\anbdohcadkbennckdnpmfdkpndogilah\2.0\manifest.json	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\anbdohcadkbennckdnpmfdkpndogilah\2.0\manifest.json	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\anbdohcadkbennckdnpmfdkpndogilah\2.0\manifest.json	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.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.exeae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1758031E-F81F-963D-0E8C-98F4365C833A}\ = "cosstminn"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1758031E-F81F-963D-0E8C-98F4365C833A}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1758031E-F81F-963D-0E8C-98F4365C833A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1758031E-F81F-963D-0E8C-98F4365C833A}	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1758031E-F81F-963D-0E8C-98F4365C833A}\ = "cosstminn"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1758031E-F81F-963D-0E8C-98F4365C833A}\NoExplorer = "1"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1758031E-F81F-963D-0E8C-98F4365C833A}	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1758031E-F81F-963D-0E8C-98F4365C833A}	regsvr32.exe

Drops file in System32 directory 4 IoCs

Processes:

ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe

Drops file in Program Files directory 8 IoCs

Processes:

ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe

description	ioc	process
File created	C:\Program Files (x86)\cosstminn\P59Xc4CjV.dat	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
File opened for modification	C:\Program Files (x86)\cosstminn\P59Xc4CjV.dat	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
File created	C:\Program Files (x86)\cosstminn\P59Xc4CjV.x64.dll	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
File opened for modification	C:\Program Files (x86)\cosstminn\P59Xc4CjV.x64.dll	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
File created	C:\Program Files (x86)\cosstminn\P59Xc4CjV.dll	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
File opened for modification	C:\Program Files (x86)\cosstminn\P59Xc4CjV.dll	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
File created	C:\Program Files (x86)\cosstminn\P59Xc4CjV.tlb	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
File opened for modification	C:\Program Files (x86)\cosstminn\P59Xc4CjV.tlb	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exeae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{1758031E-F81F-963D-0E8C-98F4365C833A}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{1758031E-F81F-963D-0E8C-98F4365C833A}	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key deleted	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{1758031E-F81F-963D-0E8C-98F4365C833A}	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key deleted	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key deleted	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{1758031E-F81F-963D-0E8C-98F4365C833A}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\InprocServer32	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\cosstminn\\P59Xc4CjV.tlb"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn\CurVer\ = "cosstminn.2.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\Programmable	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn\CLSID	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn\CLSID\ = "{1758031E-F81F-963D-0E8C-98F4365C833A}"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\ProgID	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn.2.0\CLSID\ = "{1758031E-F81F-963D-0E8C-98F4365C833A}"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\InprocServer32\ = "C:\\Program Files (x86)\\cosstminn\\P59Xc4CjV.dll"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn\ = "cosstminn"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn.2.0\ = "cosstminn"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\Programmable	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\ProgID\ = "cosstminn.2.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn\CLSID\ = "{1758031E-F81F-963D-0E8C-98F4365C833A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\VersionIndependentProgID\ = "cosstminn"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\ProgID\ = "cosstminn.2.0"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A}\VersionIndependentProgID	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\cosstminn"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe

pid	process
4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe

description	pid	process
Token: SeDebugPrivilege	4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Token: SeDebugPrivilege	4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Token: SeDebugPrivilege	4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Token: SeDebugPrivilege	4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Token: SeDebugPrivilege	4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
Token: SeDebugPrivilege	4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exeregsvr32.exe

description	pid	process	target process
PID 4868 wrote to memory of 3952	4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe	regsvr32.exe
PID 4868 wrote to memory of 3952	4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe	regsvr32.exe
PID 4868 wrote to memory of 3952	4868	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe	regsvr32.exe
PID 3952 wrote to memory of 204	3952	regsvr32.exe	regsvr32.exe
PID 3952 wrote to memory of 204	3952	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{1758031E-F81F-963D-0E8C-98F4365C833A} = "1"	ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe

C:\Users\Admin\AppData\Local\Temp\ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.exe
"C:\Users\Admin\AppData\Local\Temp\ae7118d9ed4ad9897a426c8de5dcabc58e4e9855092286e8b9dbfb0c9797aafd.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:4868

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\cosstminn\P59Xc4CjV.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3952

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\cosstminn\P59Xc4CjV.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:204

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:784

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:1728

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

Replay Monitor

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Downloads

C:\Program Files (x86)\cosstminn\P59Xc4CjV.dat

Filesize
4KB

MD5
8b356b139e29b409e55ea269eafd01fa

SHA1
b4db97ee161a44f0e091220f620db55c4f1b15ce

SHA256
9f01206b1355304cf81168882f2b3d256501c610ea1ac69bd654e1f6d439e003

SHA512
ab96414a4478e86016c8aec496281e18af1470910bf5a94c4d066bf881f2a0c66c4f2a691f60ab598ba416e909644dfba14c9b4b93c35dc345dcb6a84eb736b3

Download Submit
C:\Program Files (x86)\cosstminn\P59Xc4CjV.dll

Filesize
610KB

MD5
44786626cc0757d485d2ae91232f06e7

SHA1
f8416c9f7d1647afa38f3304510f7ad9456af2c0

SHA256
5b0d904dbc30696d9ef9326edb60bb068514bc858a348534c4d91b5435618906

SHA512
f4dd00c5ca0bdf9f3f32d8c2ffcbe57bedf8bfbb1c1454a7af39d4c0bdc6e59de2dc98be304708272e7dd980f46e1b964497e40579f1406999aca49f3c054cdf

Download Submit
C:\Program Files (x86)\cosstminn\P59Xc4CjV.tlb

Filesize
3KB

MD5
92756a87f506c53ffa4f08473e79b5ae

SHA1
125c2f2d08520c51f8746ede70f746ef8a6de3cf

SHA256
7e1a9e2e2faea603ec96b5d3a906eb86a495cbe2ca4be8bc6a902e7bf2981877

SHA512
1aaef6b900b931ed65d48b7258558ca3dad7b47c3f269f5b3af78210fbf07f438db132dfe8f5cf3f24d75b9ef5a537fa5c057f43d04c068220d4cfb8d93b192e

Download Submit
C:\Program Files (x86)\cosstminn\P59Xc4CjV.x64.dll

Filesize
689KB

MD5
343075f940027d076b1a8a928e4ecd7c

SHA1
2c544aa0b1c2872afdaf49e966fc46bf1a0b348f

SHA256
8c2ec31e34cd2bfc4c9a3464abf774d7e13796c29cd615042ae8661b3530e3b0

SHA512
3a0a2076b991582e9c355426673950e06ccb1d9c7efc7be37ada2330b28152661d0535292f6e00f63045639e69d47de200cd2d378194e65b56317921e3fd675f

Download Submit
C:\Program Files (x86)\cosstminn\P59Xc4CjV.x64.dll

Filesize
689KB

MD5
343075f940027d076b1a8a928e4ecd7c

SHA1
2c544aa0b1c2872afdaf49e966fc46bf1a0b348f

SHA256
8c2ec31e34cd2bfc4c9a3464abf774d7e13796c29cd615042ae8661b3530e3b0

SHA512
3a0a2076b991582e9c355426673950e06ccb1d9c7efc7be37ada2330b28152661d0535292f6e00f63045639e69d47de200cd2d378194e65b56317921e3fd675f

Download Submit
C:\Program Files (x86)\cosstminn\P59Xc4CjV.x64.dll

Filesize
689KB

MD5
343075f940027d076b1a8a928e4ecd7c

SHA1
2c544aa0b1c2872afdaf49e966fc46bf1a0b348f

SHA256
8c2ec31e34cd2bfc4c9a3464abf774d7e13796c29cd615042ae8661b3530e3b0

SHA512
3a0a2076b991582e9c355426673950e06ccb1d9c7efc7be37ada2330b28152661d0535292f6e00f63045639e69d47de200cd2d378194e65b56317921e3fd675f

Download Submit
memory/204-144-0x0000000000000000-mapping.dmp

Download
memory/3952-141-0x0000000000000000-mapping.dmp

Download
memory/4868-132-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/4868-137-0x0000000001390000-0x0000000001393000-memory.dmp

Filesize
12KB

Download
memory/4868-138-0x0000000001390000-0x0000000001393000-memory.dmp

Filesize
12KB

Download
memory/4868-139-0x0000000001390000-0x0000000001393000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads