a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e

General

Target

a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Size

3.7MB
MD5

1f56260cee564f6715b3939bad65e123
SHA1

8aee835c0a2e5ea8de59e574a4d3da74e6a42e62
SHA256

a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e
SHA512

b36ad13c09ddcba8ef94f18ff8dcde259f542ad3542beb48e1217a8d10c488a8280e4cc6f7b5f011abe049e104267bf31996b9a0b338b3fbd7312b3181326bf2
SSDEEP

49152:5VxtnlfPuiGl+W6HTYJkR+lAAMufv8mrgShDjL5W68VTby:5VxJmlf6zLR+lAABfkiDvb8

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\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\InprocServer32\ = "C:\\Program Files (x86)\\CostmIn\\rXwEanCiK6rA1x.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exeregsvr32.exeregsvr32.exe

pid process

208 a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
4916 regsvr32.exe
4600 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:

a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe

description	ioc	process
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\coadhcmelnfobgcggleknkkbminnckbi\2.0\manifest.json	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\coadhcmelnfobgcggleknkkbminnckbi\2.0\manifest.json	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\coadhcmelnfobgcggleknkkbminnckbi\2.0\manifest.json	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\coadhcmelnfobgcggleknkkbminnckbi\2.0\manifest.json	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\coadhcmelnfobgcggleknkkbminnckbi\2.0\manifest.json	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.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.exea0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\ = "CostmIn"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{d531d0fd-7733-48cb-aac5-450b76b11ec8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{d531d0fd-7733-48cb-aac5-450b76b11ec8}	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\ = "CostmIn"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\NoExplorer = "1"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{d531d0fd-7733-48cb-aac5-450b76b11ec8}	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{d531d0fd-7733-48cb-aac5-450b76b11ec8}	regsvr32.exe

Drops file in System32 directory 4 IoCs

Processes:

a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe

Drops file in Program Files directory 8 IoCs

Processes:

a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe

description	ioc	process
File created	C:\Program Files (x86)\CostmIn\rXwEanCiK6rA1x.dll	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
File opened for modification	C:\Program Files (x86)\CostmIn\rXwEanCiK6rA1x.dll	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
File created	C:\Program Files (x86)\CostmIn\rXwEanCiK6rA1x.tlb	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
File opened for modification	C:\Program Files (x86)\CostmIn\rXwEanCiK6rA1x.tlb	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
File created	C:\Program Files (x86)\CostmIn\rXwEanCiK6rA1x.dat	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
File opened for modification	C:\Program Files (x86)\CostmIn\rXwEanCiK6rA1x.dat	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
File created	C:\Program Files (x86)\CostmIn\rXwEanCiK6rA1x.x64.dll	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
File opened for modification	C:\Program Files (x86)\CostmIn\rXwEanCiK6rA1x.x64.dll	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{D531D0FD-7733-48CB-AAC5-450B76B11EC8}	regsvr32.exe
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\{d531d0fd-7733-48cb-aac5-450b76b11ec8}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{d531d0fd-7733-48cb-aac5-450b76b11ec8}	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{D531D0FD-7733-48CB-AAC5-450B76B11EC8}	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe

Modifies registry class 64 IoCs

Processes:

a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\ProgID\ = ".9"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D531D0FD-7733-48CB-AAC5-450B76B11EC8}\Implemented Categories	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "CostmIn"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\VersionIndependentProgID\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\ProgID	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\InprocServer32	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\ProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\VersionIndependentProgID	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{D531D0FD-7733-48CB-AAC5-450B76B11EC8}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{d531d0fd-7733-48cb-aac5-450b76b11ec8}"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\Programmable	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\CostmIn"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{d531d0fd-7733-48cb-aac5-450b76b11ec8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D531D0FD-7733-48CB-AAC5-450B76B11EC8}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "CostmIn"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D531D0FD-7733-48CB-AAC5-450B76B11EC8}	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\VersionIndependentProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8}\ProgID	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{D531D0FD-7733-48CB-AAC5-450B76B11EC8}	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe

pid	process
208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe

description	pid	process
Token: SeDebugPrivilege	208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Token: SeDebugPrivilege	208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Token: SeDebugPrivilege	208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Token: SeDebugPrivilege	208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Token: SeDebugPrivilege	208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
Token: SeDebugPrivilege	208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exeregsvr32.exe

description	pid	process	target process
PID 208 wrote to memory of 4916	208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe	regsvr32.exe
PID 208 wrote to memory of 4916	208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe	regsvr32.exe
PID 208 wrote to memory of 4916	208	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe	regsvr32.exe
PID 4916 wrote to memory of 4600	4916	regsvr32.exe	regsvr32.exe
PID 4916 wrote to memory of 4600	4916	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{d531d0fd-7733-48cb-aac5-450b76b11ec8} = "1"	a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe

C:\Users\Admin\AppData\Local\Temp\a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.exe
"C:\Users\Admin\AppData\Local\Temp\a0d8b71b4427bc89c140dd862e58756a44a1893e4e9886274c0cd2003897223e.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:208

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\CostmIn\rXwEanCiK6rA1x.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4916

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\CostmIn\rXwEanCiK6rA1x.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:4600

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4756

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:4384

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)\CostmIn\rXwEanCiK6rA1x.dat
Filesize
4KB

MD5
8941175b4fbdae15a814cf5025d1d439

SHA1
4ab6bae78bfc9181f76bdb8b7f3d461a74912e35

SHA256
2095734089ded303aa75e2579125ac8d0851afbbe360b341da417a96a1896ab5

SHA512
35f419508e78a1b48bd9c0cbdbde781a827de0525f3744927a7f39a223f8916211d07ba9aa75b0f2cc279db5f587ccc272570adb6d554e55e1d27f23d8d7a044

Download Submit
C:\Program Files (x86)\CostmIn\rXwEanCiK6rA1x.dll
Filesize
619KB

MD5
4f328f4e17a2c81830aac4c8c3d67141

SHA1
063c8e33d6a263dd604d072ffd143305f6c3d4a8

SHA256
303917029755e7a44a6e7392c5e751e4fbcb66feaa8a5f09142efaf5a91ad2fc

SHA512
d387cf9ee95426717be8bac7a6cd422b8ddc2aa925723a9b25a169d9b4a0f5cb5607e2f2b8161cadb0e4333d1fda4ba24ecb838dbb49571d55a6799efce404c0

Download Submit
C:\Program Files (x86)\CostmIn\rXwEanCiK6rA1x.tlb
Filesize
3KB

MD5
62cb4133d9d3a46f4f1c6c0fb3688619

SHA1
feaaef6e2b8c41be2575d0763cc8de3e8c19478e

SHA256
3ddcfb4b206fc4856f5bb5c06bcc3761dde53882eea20b5dc5ddf4ee8864bea5

SHA512
cb30dc73d52eb502f745fe32b4055b53306f62f0847cae1275d0856608949ea62c30f40d7f252ad450909a4bd425cf0e50012400175cc42a4096cf1451d90123

Download Submit
C:\Program Files (x86)\CostmIn\rXwEanCiK6rA1x.x64.dll
Filesize
702KB

MD5
1287246338d36f26f77735bd58d74e70

SHA1
aabda37cd307e50f2444c73bd656eaf2b78fc291

SHA256
4d1d5893df770fc7c94b33c90f87f8cc8b9d7669f4f914df9139ddb22042acc1

SHA512
ee4177dbd58c1327ea0334e43499e99cea642d458844b589116d147d72a6f71e063fe5dadbe262a7bca7cf0ba7ec48708e64827b513abc3e46144bcfcc6f46f1

Download Submit
C:\Program Files (x86)\CostmIn\rXwEanCiK6rA1x.x64.dll
Filesize
702KB

MD5
1287246338d36f26f77735bd58d74e70

SHA1
aabda37cd307e50f2444c73bd656eaf2b78fc291

SHA256
4d1d5893df770fc7c94b33c90f87f8cc8b9d7669f4f914df9139ddb22042acc1

SHA512
ee4177dbd58c1327ea0334e43499e99cea642d458844b589116d147d72a6f71e063fe5dadbe262a7bca7cf0ba7ec48708e64827b513abc3e46144bcfcc6f46f1

Download Submit
C:\Program Files (x86)\CostmIn\rXwEanCiK6rA1x.x64.dll
Filesize
702KB

MD5
1287246338d36f26f77735bd58d74e70

SHA1
aabda37cd307e50f2444c73bd656eaf2b78fc291

SHA256
4d1d5893df770fc7c94b33c90f87f8cc8b9d7669f4f914df9139ddb22042acc1

SHA512
ee4177dbd58c1327ea0334e43499e99cea642d458844b589116d147d72a6f71e063fe5dadbe262a7bca7cf0ba7ec48708e64827b513abc3e46144bcfcc6f46f1

Download Submit
memory/208-132-0x0000000002DC0000-0x0000000002E62000-memory.dmp

Filesize
648KB

Download
memory/4600-141-0x0000000000000000-mapping.dmp

Download
memory/4916-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads