Analysis
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max time kernel
59s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 19:42
Static task
static1
Behavioral task
behavioral1
Sample
85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Resource
win10v2004-20220812-en
General
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Target
85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
-
Size
3.8MB
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MD5
337ae910525f232eebbc809089c813ba
-
SHA1
91240f8e3a63b5ca4ce74c8a5ae9343545c48c4d
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SHA256
85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9
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SHA512
06b2ed034b9e8f0c4970fabca1bf2599b3f0e803ef2b61e29796649141bbc8ae3f296c0b3dd1c48b0747d61a482ea936a0c90140988a4edf6ee11ff58f0773cf
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SSDEEP
98304:I6745krbYCte1BW+MTbk++V6v70zejG6fCxr22sr5WYC1/qNiPcqZ/uFvYaDglkE:YkrlXtyVLYe1tV
Malware Config
Signatures
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Registers COM server for autorun 1 TTPs 4 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32\ = "C:\\Program Files (x86)\\Adblocker\\RfCEUBsvU.x64.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32 regsvr32.exe -
Loads dropped DLL 3 IoCs
Processes:
85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exeregsvr32.exeregsvr32.exepid process 1332 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe 1168 regsvr32.exe 916 regsvr32.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Installs/modifies Browser Helper Object 2 TTPs 8 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exeregsvr32.exedescription ioc process Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14} 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\ = "Adblocker" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\NoExplorer = "1" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14} 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\ = "Adblocker" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\NoExplorer = "1" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe -
Drops file in Program Files directory 8 IoCs
Processes:
85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exedescription ioc process File opened for modification C:\Program Files (x86)\Adblocker\RfCEUBsvU.tlb 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe File created C:\Program Files (x86)\Adblocker\RfCEUBsvU.dat 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe File opened for modification C:\Program Files (x86)\Adblocker\RfCEUBsvU.dat 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe File created C:\Program Files (x86)\Adblocker\RfCEUBsvU.x64.dll 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe File opened for modification C:\Program Files (x86)\Adblocker\RfCEUBsvU.x64.dll 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe File created C:\Program Files (x86)\Adblocker\RfCEUBsvU.dll 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe File opened for modification C:\Program Files (x86)\Adblocker\RfCEUBsvU.dll 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe File created C:\Program Files (x86)\Adblocker\RfCEUBsvU.tlb 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe -
Processes:
regsvr32.exe85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exedescription ioc process Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14} 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\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14} 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14} 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe -
Modifies registry class 64 IoCs
Processes:
85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exeregsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\ = "Adblocker" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC} 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\ = "Adblocker" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\ProgID regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\Implemented Categories regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Adblocker.Adblocker.1.0 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\VersionIndependentProgID 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Adblocker.Adblocker\ = "Adblocker" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Adblocker.Adblocker 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Adblocker.Adblocker\CLSID\ = "{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755} 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\Adblocker\\RfCEUBsvU.tlb" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\ProgID 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\ProgID\ = "Adblocker.1.0" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\VersionIndependentProgID 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Adblocker.Adblocker\CLSID 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32\ThreadingModel = "Apartment" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\Adblocker" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\VersionIndependentProgID\ = "Adblocker" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\Programmable 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Adblocker.Adblocker\CurVer\ = "Adblocker.1.0" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Adblocker.Adblocker.1.0\ = "Adblocker" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\VersionIndependentProgID regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Adblocker.Adblocker.1.0\ = "Adblocker" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exeregsvr32.exedescription pid process target process PID 1332 wrote to memory of 1168 1332 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe regsvr32.exe PID 1332 wrote to memory of 1168 1332 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe regsvr32.exe PID 1332 wrote to memory of 1168 1332 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe regsvr32.exe PID 1332 wrote to memory of 1168 1332 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe regsvr32.exe PID 1332 wrote to memory of 1168 1332 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe regsvr32.exe PID 1332 wrote to memory of 1168 1332 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe regsvr32.exe PID 1332 wrote to memory of 1168 1332 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe regsvr32.exe PID 1168 wrote to memory of 916 1168 regsvr32.exe regsvr32.exe PID 1168 wrote to memory of 916 1168 regsvr32.exe regsvr32.exe PID 1168 wrote to memory of 916 1168 regsvr32.exe regsvr32.exe PID 1168 wrote to memory of 916 1168 regsvr32.exe regsvr32.exe PID 1168 wrote to memory of 916 1168 regsvr32.exe regsvr32.exe PID 1168 wrote to memory of 916 1168 regsvr32.exe regsvr32.exe PID 1168 wrote to memory of 916 1168 regsvr32.exe regsvr32.exe -
System policy modification 1 TTPs 2 IoCs
Processes:
85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{E5CE29F4-BFAF-9253-7974-8AFF9A6C7D14} = "1" 85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe"C:\Users\Admin\AppData\Local\Temp\85be7da75f30f373acff44cf04f0405cbbff01585c44f16801bd12c4b3a076f9.exe"1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1332 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s "C:\Program Files (x86)\Adblocker\RfCEUBsvU.x64.dll"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1168 -
C:\Windows\system32\regsvr32.exe/s "C:\Program Files (x86)\Adblocker\RfCEUBsvU.x64.dll"3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:916
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Program Files (x86)\Adblocker\RfCEUBsvU.datFilesize
4KB
MD522db3ce17187d180d14153d1f65caf8d
SHA1a5ce491e95a4d3972e526fb140303839685a9479
SHA2563e514ddd3f1f95ce6ba71ecce22bacc79a02b7469505d5b360aa1d2255e1c246
SHA512baf1b1824ababa37f3e632f07b451785eaa345bdc73ce59d4c1c12bd57ad528eb4973e9424d7b9368b23e8ef618b6bd47a2f0acba0084ab4167f924715253a05
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C:\Program Files (x86)\Adblocker\RfCEUBsvU.tlbFilesize
3KB
MD5123d8e428b231b034495720766d9db44
SHA120db932b0f9fb5045ae866259d4c4c2650e519fe
SHA256e5a0972cb89bbe9ca59f02a11f145178b7cfee9d43cd2e6729b4d4b9c1809d1f
SHA51279444ea1e1eecf5adaef18c229516bb095898a7ceed229133a6d6e7082ce02c9e40612ca2b3474d8934f47f41077784cf252ca5832faf0b7063d8cb3c31a1afa
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C:\Program Files (x86)\Adblocker\RfCEUBsvU.x64.dllFilesize
693KB
MD5036a783b0d4af93086c9bef9bf1ed7d8
SHA158624b183fda19f285365c464914d8c342f693e5
SHA2561cb50065e24f17a830d511888a1d857556e804ad0ad82d67953b3cbf04a406ec
SHA5125f25cd28cad3bdd19475d2adfe7385cf177f0177010cd30d2cb03b237f011ae14b993a61466b71fa81613b51664f6b7c4ece954e78d667a17146e9aa38752062
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\Program Files (x86)\Adblocker\RfCEUBsvU.dllFilesize
612KB
MD54e8d65edf539af96ec6861d8445573ae
SHA11b4554cd7c108aa09bb3aed009ac8440c0f8bb93
SHA256f7931fcce1da10bbc25b3aff0b72a6744a7e454d9fc5d83f9c612e142eafee87
SHA512a0ffd39e17e3e39d12d36bacebd21ac309f09b36e26b786d54e0218d6c41c01a3c3ecfe37aa7c4636f8be3c6821f21a21a3ba327d93fbddcb7adfca591838455
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\Program Files (x86)\Adblocker\RfCEUBsvU.x64.dllFilesize
693KB
MD5036a783b0d4af93086c9bef9bf1ed7d8
SHA158624b183fda19f285365c464914d8c342f693e5
SHA2561cb50065e24f17a830d511888a1d857556e804ad0ad82d67953b3cbf04a406ec
SHA5125f25cd28cad3bdd19475d2adfe7385cf177f0177010cd30d2cb03b237f011ae14b993a61466b71fa81613b51664f6b7c4ece954e78d667a17146e9aa38752062
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\Program Files (x86)\Adblocker\RfCEUBsvU.x64.dllFilesize
693KB
MD5036a783b0d4af93086c9bef9bf1ed7d8
SHA158624b183fda19f285365c464914d8c342f693e5
SHA2561cb50065e24f17a830d511888a1d857556e804ad0ad82d67953b3cbf04a406ec
SHA5125f25cd28cad3bdd19475d2adfe7385cf177f0177010cd30d2cb03b237f011ae14b993a61466b71fa81613b51664f6b7c4ece954e78d667a17146e9aa38752062
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memory/916-65-0x0000000000000000-mapping.dmp
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memory/916-66-0x000007FEFB8F1000-0x000007FEFB8F3000-memory.dmpFilesize
8KB
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memory/1168-61-0x0000000000000000-mapping.dmp
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memory/1332-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmpFilesize
8KB
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memory/1332-55-0x00000000008C0000-0x0000000000965000-memory.dmpFilesize
660KB