029921e48465c3c54acc10adf4a4c1daeaa3ef233c38c5760cdc0e4ba22b4d66

General

Target

029921e48465c3c54acc10adf4a4c1daeaa3ef233c38c5760cdc0e4ba22b4d66.dll
Size

60KB
MD5

1cab38f3724992740dc83ab2f6303188
SHA1

2dab92c965b11af568b18471021d5cb0f00b0b89
SHA256

029921e48465c3c54acc10adf4a4c1daeaa3ef233c38c5760cdc0e4ba22b4d66
SHA512

e2ec8fbab7466f35e3c84447ffab473345139e9bc532fd4abb21ecfc5ab2f1b3a22c83516f8ded47cebf5de12e71be67de667526375b9aa3a978152dfe821bc6

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs
BHOs are DLL modules which act as plugins for Internet Explorer.
stealer adware

Modify Registry
T1112

Browser Extensions
T1176

Modifies Internet Explorer settings 1 TTPs 5 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\AdvancedOptions\BROWSE\SCRIPT_ERROR_CACHE\DefaultValue = "yes"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\AdvancedOptions\BROWSE\SCRIPT_ERROR_CACHE\UncheckedValue = "no"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\Main\Error Dlg Displayed On Every Error = "no"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Internet Explorer\New Windows\PopupMgr = "no"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\AdvancedOptions\BROWSE\SCRIPT_ERROR_CACHE\CheckedValue = "yes"	regsvr32.exe

Modifies registry class 41 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED2676C8-F22C-4E60-9812-E2851B2AD210}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED2676C8-F22C-4E60-9812-E2851B2AD210}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Urlnav.Nav\CLSID\ = "{9A4DDA61-1D3A-49B7-9849-DAC6CD30A393}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9A4DDA61-1D3A-49B7-9849-DAC6CD30A393}\VersionIndependentProgID\ = "Urlnav.Nav"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9A4DDA61-1D3A-49B7-9849-DAC6CD30A393}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40195CA5-4EA4-4B10-88B3-5659A0A5310B}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED2676C8-F22C-4E60-9812-E2851B2AD210}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED2676C8-F22C-4E60-9812-E2851B2AD210}\ = "INav"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED2676C8-F22C-4E60-9812-E2851B2AD210}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9A4DDA61-1D3A-49B7-9849-DAC6CD30A393}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\029921e48465c3c54acc10adf4a4c1daeaa3ef233c38c5760cdc0e4ba22b4d66.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40195CA5-4EA4-4B10-88B3-5659A0A5310B}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Urlnav.Nav	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Urlnav.Nav\ = "Nav Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Urlnav.Nav\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40195CA5-4EA4-4B10-88B3-5659A0A5310B}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED2676C8-F22C-4E60-9812-E2851B2AD210}\ = "INav"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Urlnav.Nav.1\CLSID\ = "{9A4DDA61-1D3A-49B7-9849-DAC6CD30A393}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40195CA5-4EA4-4B10-88B3-5659A0A5310B}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED2676C8-F22C-4E60-9812-E2851B2AD210}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED2676C8-F22C-4E60-9812-E2851B2AD210}\TypeLib\ = "{40195CA5-4EA4-4B10-88B3-5659A0A5310B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED2676C8-F22C-4E60-9812-E2851B2AD210}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED2676C8-F22C-4E60-9812-E2851B2AD210}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40195CA5-4EA4-4B10-88B3-5659A0A5310B}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40195CA5-4EA4-4B10-88B3-5659A0A5310B}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED2676C8-F22C-4E60-9812-E2851B2AD210}\TypeLib\ = "{40195CA5-4EA4-4B10-88B3-5659A0A5310B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40195CA5-4EA4-4B10-88B3-5659A0A5310B}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED2676C8-F22C-4E60-9812-E2851B2AD210}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED2676C8-F22C-4E60-9812-E2851B2AD210}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40195CA5-4EA4-4B10-88B3-5659A0A5310B}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\029921e48465c3c54acc10adf4a4c1daeaa3ef233c38c5760cdc0e4ba22b4d66.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Urlnav.Nav.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9A4DDA61-1D3A-49B7-9849-DAC6CD30A393}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9A4DDA61-1D3A-49B7-9849-DAC6CD30A393}\ = "Nav Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9A4DDA61-1D3A-49B7-9849-DAC6CD30A393}\ProgID\ = "Urlnav.Nav.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9A4DDA61-1D3A-49B7-9849-DAC6CD30A393}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40195CA5-4EA4-4B10-88B3-5659A0A5310B}\1.0\ = "urlnav 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Urlnav.Nav.1\ = "Nav Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Urlnav.Nav.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9A4DDA61-1D3A-49B7-9849-DAC6CD30A393}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9A4DDA61-1D3A-49B7-9849-DAC6CD30A393}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{40195CA5-4EA4-4B10-88B3-5659A0A5310B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED2676C8-F22C-4E60-9812-E2851B2AD210}\TypeLib\Version = "1.0"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 1628 wrote to memory of 992	1628	regsvr32.exe	regsvr32.exe
PID 1628 wrote to memory of 992	1628	regsvr32.exe	regsvr32.exe
PID 1628 wrote to memory of 992	1628	regsvr32.exe	regsvr32.exe
PID 1628 wrote to memory of 992	1628	regsvr32.exe	regsvr32.exe
PID 1628 wrote to memory of 992	1628	regsvr32.exe	regsvr32.exe
PID 1628 wrote to memory of 992	1628	regsvr32.exe	regsvr32.exe
PID 1628 wrote to memory of 992	1628	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\029921e48465c3c54acc10adf4a4c1daeaa3ef233c38c5760cdc0e4ba22b4d66.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1628

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\029921e48465c3c54acc10adf4a4c1daeaa3ef233c38c5760cdc0e4ba22b4d66.dll
2⤵
- Modifies Internet Explorer settings
- Modifies registry class
PID:992

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/992-55-0x0000000000000000-mapping.dmp

Download
memory/992-56-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download
memory/1628-54-0x000007FEFBD01000-0x000007FEFBD03000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads