3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819

General

Target

3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Size

4.3MB
MD5

af20c1e13e2be368149ea5e8c5160426
SHA1

4eb4b996238e9d7adf3330c0412af8b6af68d85d
SHA256

3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819
SHA512

e28f5d9dcc9ba01fc21ba5891bd0d57c7f0ce9e354d4e276a63df912e6412b7e59a99630fc9fa121a83067aedbdd0913fa986038f13277192d446b115de9f7da
SSDEEP

49152:7iOqoT5U2XC5Oarmxup4ldGKvghxfki1a9buOBqFBjSlM/Zf0weeDNxLf:G25UdQa7Kc0buOBqFBj8MNtLNxL

Score

8^/10

adware discovery persistence 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\{c7efb433-5564-46af-a054-a3d57dc51c6a}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\Kdlmxq921hHNs4.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exeregsvr32.exeregsvr32.exe

pid process

2040 3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
1972 regsvr32.exe
940 regsvr32.exe
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

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:

3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{c7efb433-5564-46af-a054-a3d57dc51c6a}\ = "GoSave"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{c7efb433-5564-46af-a054-a3d57dc51c6a}\NoExplorer = "1"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{c7efb433-5564-46af-a054-a3d57dc51c6a}	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{c7efb433-5564-46af-a054-a3d57dc51c6a}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{c7efb433-5564-46af-a054-a3d57dc51c6a}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{c7efb433-5564-46af-a054-a3d57dc51c6a}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{c7efb433-5564-46af-a054-a3d57dc51c6a}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{c7efb433-5564-46af-a054-a3d57dc51c6a}	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe

Drops file in Program Files directory 8 IoCs

Processes:

3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GoSave\Kdlmxq921hHNs4.tlb	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
File created	C:\Program Files (x86)\GoSave\Kdlmxq921hHNs4.dat	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
File opened for modification	C:\Program Files (x86)\GoSave\Kdlmxq921hHNs4.dat	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
File created	C:\Program Files (x86)\GoSave\Kdlmxq921hHNs4.x64.dll	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
File opened for modification	C:\Program Files (x86)\GoSave\Kdlmxq921hHNs4.x64.dll	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
File created	C:\Program Files (x86)\GoSave\Kdlmxq921hHNs4.dll	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
File opened for modification	C:\Program Files (x86)\GoSave\Kdlmxq921hHNs4.dll	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
File created	C:\Program Files (x86)\GoSave\Kdlmxq921hHNs4.tlb	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{C7EFB433-5564-46AF-A054-A3D57DC51C6A}	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key deleted	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key deleted	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{C7EFB433-5564-46AF-A054-A3D57DC51C6A}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{c7efb433-5564-46af-a054-a3d57dc51c6a}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{c7efb433-5564-46af-a054-a3d57dc51c6a}	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe

Modifies registry class 64 IoCs

Processes:

3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\ProgID	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\ProgID\ = ".9"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\VersionIndependentProgID	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\InprocServer32	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\ProgID	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\ProgID\ = ".9"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\InprocServer32	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\VersionIndependentProgID\	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\VersionIndependentProgID	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C7EFB433-5564-46AF-A054-A3D57DC51C6A}	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\Kdlmxq921hHNs4.tlb"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\Kdlmxq921hHNs4.dll"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{c7efb433-5564-46af-a054-a3d57dc51c6a}"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C7EFB433-5564-46AF-A054-A3D57DC51C6A}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\ProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a}\ = "GoSave"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSave"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{c7efb433-5564-46af-a054-a3d57dc51c6a}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{C7EFB433-5564-46AF-A054-A3D57DC51C6A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe

pid	process
2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe

description	pid	process
Token: SeDebugPrivilege	2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Token: SeDebugPrivilege	2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Token: SeDebugPrivilege	2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Token: SeDebugPrivilege	2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Token: SeDebugPrivilege	2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Token: SeDebugPrivilege	2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exeregsvr32.exe

description	pid	process	target process
PID 2040 wrote to memory of 1972	2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe	regsvr32.exe
PID 2040 wrote to memory of 1972	2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe	regsvr32.exe
PID 2040 wrote to memory of 1972	2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe	regsvr32.exe
PID 2040 wrote to memory of 1972	2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe	regsvr32.exe
PID 2040 wrote to memory of 1972	2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe	regsvr32.exe
PID 2040 wrote to memory of 1972	2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe	regsvr32.exe
PID 2040 wrote to memory of 1972	2040	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe	regsvr32.exe
PID 1972 wrote to memory of 940	1972	regsvr32.exe	regsvr32.exe
PID 1972 wrote to memory of 940	1972	regsvr32.exe	regsvr32.exe
PID 1972 wrote to memory of 940	1972	regsvr32.exe	regsvr32.exe
PID 1972 wrote to memory of 940	1972	regsvr32.exe	regsvr32.exe
PID 1972 wrote to memory of 940	1972	regsvr32.exe	regsvr32.exe
PID 1972 wrote to memory of 940	1972	regsvr32.exe	regsvr32.exe
PID 1972 wrote to memory of 940	1972	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{c7efb433-5564-46af-a054-a3d57dc51c6a} = "1"	3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe

C:\Users\Admin\AppData\Local\Temp\3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe
"C:\Users\Admin\AppData\Local\Temp\3e6172c071c3b19ab619c8b34d68e9997fbc7af22739b7054f55604d36758819.exe"
1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- 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:2040

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\Kdlmxq921hHNs4.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1972

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\Kdlmxq921hHNs4.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:940

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

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\GoSave\Kdlmxq921hHNs4.dat
Filesize
4KB

MD5
dbbca11856156173f910475ce0b5d6b7

SHA1
356903ed29d3dec36d82ef573dd63c3ff4d42205

SHA256
3ca63221c398df586139c210a868cfc15a26169c9ba08bd1aaf9fe4f5508baf5

SHA512
5663568381a4828f9d963575ba60ad5f783b30d9b1ac63a1f6ed613cc654226a98489ca650b0a6065278be9e8e3fe2f74d572e207681144494da230f6be25734

Download Submit
C:\Program Files (x86)\GoSave\Kdlmxq921hHNs4.tlb
Filesize
3KB

MD5
e3ab22d8beac0180520ab5289a64419b

SHA1
1456ba2c78b293e5a80185fefdf05f5dbe424937

SHA256
0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

SHA512
c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

Download Submit
C:\Program Files (x86)\GoSave\Kdlmxq921hHNs4.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
\Program Files (x86)\GoSave\Kdlmxq921hHNs4.dll
Filesize
738KB

MD5
49961c7c9a7aef57f49adf50d1c810f6

SHA1
fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

SHA256
c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

SHA512
8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

Download Submit
\Program Files (x86)\GoSave\Kdlmxq921hHNs4.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
\Program Files (x86)\GoSave\Kdlmxq921hHNs4.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
memory/940-65-0x0000000000000000-mapping.dmp

Download
memory/940-66-0x000007FEFBD11000-0x000007FEFBD13000-memory.dmp

Filesize
8KB

Download
memory/1972-61-0x0000000000000000-mapping.dmp

Download
memory/2040-54-0x0000000075C21000-0x0000000075C23000-memory.dmp

Filesize
8KB

Download
memory/2040-55-0x0000000002AC0000-0x0000000002B89000-memory.dmp

Filesize
804KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads