546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6

General

Target

546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Size

4.3MB
MD5

5296d60888376bdc28f01e1ac7160635
SHA1

d8981b3337ea30308d65ff47ead7831a3b781ce6
SHA256

546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6
SHA512

3f8242ec851133c7cb16fde8ff97b0c8ecae1ffceb28ad013f7d86f7a13880728b8685ac6006fe9a78e6d79f51f8f1bd9401429502811c3a74dc4afa75ba2039
SSDEEP

49152:4SuK4jZ0WHCpNqLmxup4HdGKvghxfki19PXGIjQRyoC3yE/Ac5mWxnmOr:r2Z0Nvq1KcbP2iQkoWNAxenl

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\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\DpCztrpQBHcgSh.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exeregsvr32.exeregsvr32.exe

pid process

4976 546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
1592 regsvr32.exe
1464 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:

546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exeregsvr32.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\NoExplorer = "1"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\ = "GoSave"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe

Drops file in Program Files directory 8 IoCs

Processes:

546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GoSave\DpCztrpQBHcgSh.x64.dll	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
File created	C:\Program Files (x86)\GoSave\DpCztrpQBHcgSh.dll	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
File opened for modification	C:\Program Files (x86)\GoSave\DpCztrpQBHcgSh.dll	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
File created	C:\Program Files (x86)\GoSave\DpCztrpQBHcgSh.tlb	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
File opened for modification	C:\Program Files (x86)\GoSave\DpCztrpQBHcgSh.tlb	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
File created	C:\Program Files (x86)\GoSave\DpCztrpQBHcgSh.dat	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
File opened for modification	C:\Program Files (x86)\GoSave\DpCztrpQBHcgSh.dat	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
File created	C:\Program Files (x86)\GoSave\DpCztrpQBHcgSh.x64.dll	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exe546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{E3BAA026-16D9-46C8-9BD0-E53F655BB4CD}	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{E3BAA026-16D9-46C8-9BD0-E53F655BB4CD}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E3BAA026-16D9-46C8-9BD0-E53F655BB4CD}\Implemented Categories	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\Programmable	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E3BAA026-16D9-46C8-9BD0-E53F655BB4CD}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E3BAA026-16D9-46C8-9BD0-E53F655BB4CD}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\DpCztrpQBHcgSh.dll"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\DpCztrpQBHcgSh.tlb"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\ProgID	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\VersionIndependentProgID	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\InprocServer32	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\ProgID\ = ".9"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd}\ = "GoSave"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe

pid	process
4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe

description	pid	process
Token: SeDebugPrivilege	4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Token: SeDebugPrivilege	4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Token: SeDebugPrivilege	4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Token: SeDebugPrivilege	4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Token: SeDebugPrivilege	4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
Token: SeDebugPrivilege	4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exeregsvr32.exe

description	pid	process	target process
PID 4976 wrote to memory of 1592	4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe	regsvr32.exe
PID 4976 wrote to memory of 1592	4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe	regsvr32.exe
PID 4976 wrote to memory of 1592	4976	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe	regsvr32.exe
PID 1592 wrote to memory of 1464	1592	regsvr32.exe	regsvr32.exe
PID 1592 wrote to memory of 1464	1592	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{e3baa026-16d9-46c8-9bd0-e53f655bb4cd} = "1"	546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe

C:\Users\Admin\AppData\Local\Temp\546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.exe
"C:\Users\Admin\AppData\Local\Temp\546420d71605e23a607236537c585eb7e90c719aa6370d3cf34e10048df6d6b6.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:4976

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\DpCztrpQBHcgSh.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1592

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\DpCztrpQBHcgSh.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:1464

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

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\GoSave\DpCztrpQBHcgSh.dat

Filesize
4KB

MD5
e731ed2694ad8f970b5f9090e9626558

SHA1
9a19641374d87eebf795930faa9e47b66e0689fb

SHA256
448aa6ff8e8734e21655bcc05a566edcd90d6fe6b4600d72f3366fee6415824a

SHA512
6ce1e22bf8199c63488ba7081656ef8978f892696847d2ef706bd33fa32ece7a639dbc9df99090900d20e46382906027e30166acfb43d53d43418431cc9e24a2

Download Submit
C:\Program Files (x86)\GoSave\DpCztrpQBHcgSh.dll

Filesize
738KB

MD5
49961c7c9a7aef57f49adf50d1c810f6

SHA1
fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

SHA256
c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

SHA512
8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

Download Submit
C:\Program Files (x86)\GoSave\DpCztrpQBHcgSh.tlb

Filesize
3KB

MD5
e3ab22d8beac0180520ab5289a64419b

SHA1
1456ba2c78b293e5a80185fefdf05f5dbe424937

SHA256
0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

SHA512
c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

Download Submit
C:\Program Files (x86)\GoSave\DpCztrpQBHcgSh.x64.dll

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\GoSave\DpCztrpQBHcgSh.x64.dll

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\GoSave\DpCztrpQBHcgSh.x64.dll

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
memory/1464-141-0x0000000000000000-mapping.dmp

Download
memory/1592-138-0x0000000000000000-mapping.dmp

Download
memory/4976-132-0x0000000003BE0000-0x0000000003CA9000-memory.dmp

Filesize
804KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads