55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08

General

Target

55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Size

3.5MB
MD5

64a199f0f67728df7e208c55038d52e1
SHA1

784e1efcfca60ca342fe1fb65e26274526e675ac
SHA256

55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08
SHA512

d004117a550bddb54615a02bb289f399c5c1980a3c53cc387a1d84a10abce8de72cc98a42f17c11888b96c0ca329e9934e0f81f0d7152e3d95aa227d9899bd5d
SSDEEP

98304:Rs8rk84c45JON8PZUdfpfu9AU7F/a6oyjZQhaursFmaW9MD6uY++y0GTd5zBQZ+4:RHr14f+ePZUjYMyK24

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\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\InprocServer32\ = "C:\\Program Files (x86)\\GioSave\\umFueHB4bWytEa.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exeregsvr32.exeregsvr32.exe

pid process

1236 55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
1452 regsvr32.exe
1632 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 3 IoCs

Processes:

55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\bkihljliclbjnpmkcnjdjlilaecohkoh\2.0\manifest.json	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\bkihljliclbjnpmkcnjdjlilaecohkoh\2.0\manifest.json	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\bkihljliclbjnpmkcnjdjlilaecohkoh\2.0\manifest.json	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.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:

55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\ = "GioSave"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\NoExplorer = "1"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\ = "GioSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}	regsvr32.exe

Drops file in System32 directory 4 IoCs

Processes:

55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe

Drops file in Program Files directory 8 IoCs

Processes:

55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe

description	ioc	process
File created	C:\Program Files (x86)\GioSave\umFueHB4bWytEa.x64.dll	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
File opened for modification	C:\Program Files (x86)\GioSave\umFueHB4bWytEa.x64.dll	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
File created	C:\Program Files (x86)\GioSave\umFueHB4bWytEa.dll	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
File opened for modification	C:\Program Files (x86)\GioSave\umFueHB4bWytEa.dll	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
File created	C:\Program Files (x86)\GioSave\umFueHB4bWytEa.tlb	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
File opened for modification	C:\Program Files (x86)\GioSave\umFueHB4bWytEa.tlb	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
File created	C:\Program Files (x86)\GioSave\umFueHB4bWytEa.dat	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
File opened for modification	C:\Program Files (x86)\GioSave\umFueHB4bWytEa.dat	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{5FC1CC13-16C2-46FB-9BF3-A28F39D4F4F3}	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{5FC1CC13-16C2-46FB-9BF3-A28F39D4F4F3}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe

Modifies registry class 64 IoCs

Processes:

55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\VersionIndependentProgID	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GioSave"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\InprocServer32\ = "C:\\Program Files (x86)\\GioSave\\umFueHB4bWytEa.x64.dll"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\VersionIndependentProgID\	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\InprocServer32\ThreadingModel = "Apartment"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5FC1CC13-16C2-46FB-9BF3-A28F39D4F4F3}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\ = "GioSave"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GioSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GioSave"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\Programmable	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\ProgID\ = ".9"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GioSave"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\InprocServer32	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5FC1CC13-16C2-46FB-9BF3-A28F39D4F4F3}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\VersionIndependentProgID	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3}\InprocServer32	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GioSave\\umFueHB4bWytEa.tlb"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe

pid	process
1236	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
1236	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exeregsvr32.exe

description	pid	process	target process
PID 1236 wrote to memory of 1452	1236	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe	regsvr32.exe
PID 1236 wrote to memory of 1452	1236	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe	regsvr32.exe
PID 1236 wrote to memory of 1452	1236	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe	regsvr32.exe
PID 1236 wrote to memory of 1452	1236	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe	regsvr32.exe
PID 1236 wrote to memory of 1452	1236	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe	regsvr32.exe
PID 1236 wrote to memory of 1452	1236	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe	regsvr32.exe
PID 1236 wrote to memory of 1452	1236	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe	regsvr32.exe
PID 1452 wrote to memory of 1632	1452	regsvr32.exe	regsvr32.exe
PID 1452 wrote to memory of 1632	1452	regsvr32.exe	regsvr32.exe
PID 1452 wrote to memory of 1632	1452	regsvr32.exe	regsvr32.exe
PID 1452 wrote to memory of 1632	1452	regsvr32.exe	regsvr32.exe
PID 1452 wrote to memory of 1632	1452	regsvr32.exe	regsvr32.exe
PID 1452 wrote to memory of 1632	1452	regsvr32.exe	regsvr32.exe
PID 1452 wrote to memory of 1632	1452	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{5fc1cc13-16c2-46fb-9bf3-a28f39d4f4f3} = "1"	55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe

C:\Users\Admin\AppData\Local\Temp\55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.exe
"C:\Users\Admin\AppData\Local\Temp\55be76be266487c45ca2ec62adc25bb94ce1325e4e020d7144f048e4486dfe08.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 WriteProcessMemory
- System policy modification
PID:1236

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GioSave\umFueHB4bWytEa.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1452

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GioSave\umFueHB4bWytEa.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:1632

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)\GioSave\umFueHB4bWytEa.dat
Filesize
5KB

MD5
9fd0a0d20a41cd07df2642aefa6320a6

SHA1
25ef434b33b8679d3dd2582bd00780837775576e

SHA256
97d6b1ff397215edd1bf9d986706ba42177974293309e1b5cc40204036270d8a

SHA512
ce111437122a8180c539a9147b7a97867c654d68dcbdd59baac4b25a33a9cdb92f0bd15fb25d911277ee61b22e338730c8146bc6b93c883a4b0fa5c42b882399

Download Submit
C:\Program Files (x86)\GioSave\umFueHB4bWytEa.tlb
Filesize
3KB

MD5
3c920faafd032eeda08e4166860d4318

SHA1
26451ee3659c4a217f42ebd07f254679ab452f3a

SHA256
3377d0af1044505271c64fc342e22a7a24b757e5471657f656ac743373e22857

SHA512
327668001f94842eee3ff1dc44c70ddca5da3a0bb49aeea6b3162608b07496456e78bcb3de0462e5e375b349e813f13fd02e61b9e389b1d954cea2628c3c4a6e

Download Submit
C:\Program Files (x86)\GioSave\umFueHB4bWytEa.x64.dll
Filesize
700KB

MD5
401087ab67c6d917bf08d82f011d9eee

SHA1
d13dbf241d214d6036f8c6276e0e305fc2ac2b8a

SHA256
fada9f28483ab94341359011d5ab92a6fa2418d010aa3eb1c485c19db15e62f5

SHA512
4d952fc0a2ef968997d62d901a731193105da2f4541abf4eb3e5c99e247edc7ffb15ae55a8d0e5d228ae704b0a7ff7dca24e14312f778896d834971e7f3d8af6

Download Submit
\Program Files (x86)\GioSave\umFueHB4bWytEa.dll
Filesize
623KB

MD5
103866fff4628ada4be6e5235b2ebf5d

SHA1
86ca018b33c7cdb953371ee1e290313b9a54a251

SHA256
963728f71b4ecee9380a18f5bbc6930256be6018a8087a9964f98ba3e17b7a7c

SHA512
2a8f9ce8854bab77b801eb146934e267de3cca83727a8a7c13885b41c75a0b563fdd0cb1683f78057fc6833b22d9d14c5ef0d3707753293d59d4b61f7a9744c3

Download Submit
\Program Files (x86)\GioSave\umFueHB4bWytEa.x64.dll
Filesize
700KB

MD5
401087ab67c6d917bf08d82f011d9eee

SHA1
d13dbf241d214d6036f8c6276e0e305fc2ac2b8a

SHA256
fada9f28483ab94341359011d5ab92a6fa2418d010aa3eb1c485c19db15e62f5

SHA512
4d952fc0a2ef968997d62d901a731193105da2f4541abf4eb3e5c99e247edc7ffb15ae55a8d0e5d228ae704b0a7ff7dca24e14312f778896d834971e7f3d8af6

Download Submit
\Program Files (x86)\GioSave\umFueHB4bWytEa.x64.dll
Filesize
700KB

MD5
401087ab67c6d917bf08d82f011d9eee

SHA1
d13dbf241d214d6036f8c6276e0e305fc2ac2b8a

SHA256
fada9f28483ab94341359011d5ab92a6fa2418d010aa3eb1c485c19db15e62f5

SHA512
4d952fc0a2ef968997d62d901a731193105da2f4541abf4eb3e5c99e247edc7ffb15ae55a8d0e5d228ae704b0a7ff7dca24e14312f778896d834971e7f3d8af6

Download Submit
memory/1236-54-0x00000000766F1000-0x00000000766F3000-memory.dmp

Filesize
8KB

Download
memory/1236-55-0x0000000002700000-0x00000000027A3000-memory.dmp

Filesize
652KB

Download
memory/1452-61-0x0000000000000000-mapping.dmp

Download
memory/1632-65-0x0000000000000000-mapping.dmp

Download
memory/1632-66-0x000007FEFC4E1000-0x000007FEFC4E3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads