99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf

General

Target

99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf.exe
Size

289KB
MD5

9c5d2ad17b6e100bf79c7ac19de0b289
SHA1

7da2598504baaed90d03a647da4dcf8521e8aa83
SHA256

99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf
SHA512

38a95d72dcfe0a24463d628fa0990c1f3c44fd47303071b17fd1a43707438a6a33a74ee3c9ba7f7b255db3e2401d9486938ec2bc5189d22870c484f27a0400c3

Score

9^/10

adware stealer

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Windows\ikunbeps.dll	acprotect
C:\Windows\ikunbeps.dll	acprotect

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf.exe

Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

3444 regsvr32.exe
Installs/modifies Browser Helper Object 2 TTPs
BHOs are DLL modules which act as plugins for Internet Explorer.
stealer adware

Modify Registry
T1112

Browser Extensions
T1176

pid	process
3444	regsvr32.exe

Drops file in Windows directory 3 IoCs

Processes:

99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf.exe

description	ioc	process
File created	C:\Windows\GNVHKUHJGLG	99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf.exe
File created	C:\Windows\ikunbeps.dll	99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf.exe
File opened for modification	C:\Windows\ikunbeps.dll	99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000043099a93b0a2dd41b22bfbb30670caee000000000200000000001066000000010000200000001be826bf01d39c6ee715a66403b4d27e6a1d721808328ac7a1f6bc591e64d0ce000000000e8000000002000020000000c32f1bb2159f41ead19bd1dc959f1226bebfacb363a8aa07da1e0f4bd41e847d20000000f4eac9efd8c1137cfc27052f84ff529a2a96896a6ef58af4e17323436b6be6624000000015b3b358f8e9a53fdecc2866dc97d7136a88d216e7730f879f7c50c713ef10c346d21ad191f18fc98859e42c56c62a9c284ee9f0835b3c85b4bfdc924b375b33	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2355239624"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B7C1B78D-BCF0-11EC-A58B-FAA17377EC03} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2355239624"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30953725"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2365551124"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d0a3108ffd50d801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30953725"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000043099a93b0a2dd41b22bfbb30670caee00000000020000000000106600000001000020000000ed4dc67e1b57ef5d0fffca6a7910af0eccb7af03c3eceb3648ee49ebd532513f000000000e8000000002000020000000acb50e2b869aea84941eeb8ac900f08c6da7a88ba372632d80496556ca08dc2c20000000986d0179920dd5d49f4532ee0e73a3341a4989582b17f515faf0e6db6689d525400000001ecdcb83b654073efcbae5c8fa88a78c2d54112aa7ae2d0676b3111d8f719169b9625b6733b6421a1ba2341229bd18163cdcabceb69d8b5c1bf3a9da9ea22a88	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30953725"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 70c9368ffd50d801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "356815236"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe

Modifies registry class 55 IoCs

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\Version\ = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\AppID = "{C12FC24B-A7B9-487F-9603-5481EBF00C6F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6549E485-C533-4E58-BA92-9FBCD2F6E839}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{16C65D96-EF19-4439-A6EA-F73A8BEC4DF0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{16C65D96-EF19-4439-A6EA-F73A8BEC4DF0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\InprocServer32\ = "C:\\Windows\\ikunbeps.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\bho.bho\Clsid\ = "{C12FC24B-A7B9-487F-9603-5481EBF00C6F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\ProgID\ = "bho.bho"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\AccessPermission = 01000480440000005400000000000000140000000200300002000000000014000300000001010000000000050400000000001400030000000101000000000005120000000102000000000005200000002002000001020000000000052000000020020000	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6549E485-C533-4E58-BA92-9FBCD2F6E839}\1.0\HELPDIR\ = "C:\\Windows\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{16C65D96-EF19-4439-A6EA-F73A8BEC4DF0}\ = "IntfVideo"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{16C65D96-EF19-4439-A6EA-F73A8BEC4DF0}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\ = "SVC plugin"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\bho.bho	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\bho.bho\ = "SVC plugin"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\TypeLib\ = "{6549E485-C533-4E58-BA92-9FBCD2F6E839}"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\Elevation\Enabled = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6549E485-C533-4E58-BA92-9FBCD2F6E839}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6549E485-C533-4E58-BA92-9FBCD2F6E839}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6549E485-C533-4E58-BA92-9FBCD2F6E839}\1.0\0\win32\ = "C:\\Windows\\ikunbeps.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\ = "SVC plugin"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{16C65D96-EF19-4439-A6EA-F73A8BEC4DF0}\TypeLib\ = "{6549E485-C533-4E58-BA92-9FBCD2F6E839}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\bho.bho\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\DllSurrogate	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6549E485-C533-4E58-BA92-9FBCD2F6E839}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{16C65D96-EF19-4439-A6EA-F73A8BEC4DF0}\TypeLib\ = "{6549E485-C533-4E58-BA92-9FBCD2F6E839}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{16C65D96-EF19-4439-A6EA-F73A8BEC4DF0}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6549E485-C533-4E58-BA92-9FBCD2F6E839}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6549E485-C533-4E58-BA92-9FBCD2F6E839}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{16C65D96-EF19-4439-A6EA-F73A8BEC4DF0}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{16C65D96-EF19-4439-A6EA-F73A8BEC4DF0}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\ikunbeps.dll	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6549E485-C533-4E58-BA92-9FBCD2F6E839}\1.0\ = "YouTube plugin"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{16C65D96-EF19-4439-A6EA-F73A8BEC4DF0}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{16C65D96-EF19-4439-A6EA-F73A8BEC4DF0}\ = "IntfVideo"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{16C65D96-EF19-4439-A6EA-F73A8BEC4DF0}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\LocalizedString = "@C:\\Windows\\ikunbeps.dll,-313"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{16C65D96-EF19-4439-A6EA-F73A8BEC4DF0}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6549E485-C533-4E58-BA92-9FBCD2F6E839}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\ikunbeps.dll\AppID = "{C12FC24B-A7B9-487F-9603-5481EBF00C6F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{16C65D96-EF19-4439-A6EA-F73A8BEC4DF0}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C12FC24B-A7B9-487F-9603-5481EBF00C6F}\Elevation	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf.exe

pid	process
3460	99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf.exe
3460	99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

3784 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

3784 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

3784 iexplore.exe
3784 iexplore.exe
492 IEXPLORE.EXE
492 IEXPLORE.EXE
492 IEXPLORE.EXE
492 IEXPLORE.EXE

pid	process
3784	iexplore.exe

pid	process
3784	iexplore.exe

pid	process
3784	iexplore.exe
3784	iexplore.exe
492	IEXPLORE.EXE
492	IEXPLORE.EXE
492	IEXPLORE.EXE
492	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf.exeiexplore.exe

description	pid	process	target process
PID 3460 wrote to memory of 3444	3460	99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf.exe	regsvr32.exe
PID 3460 wrote to memory of 3444	3460	99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf.exe	regsvr32.exe
PID 3460 wrote to memory of 3444	3460	99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf.exe	regsvr32.exe
PID 3460 wrote to memory of 3784	3460	99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf.exe	iexplore.exe
PID 3460 wrote to memory of 3784	3460	99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf.exe	iexplore.exe
PID 3784 wrote to memory of 492	3784	iexplore.exe	IEXPLORE.EXE
PID 3784 wrote to memory of 492	3784	iexplore.exe	IEXPLORE.EXE
PID 3784 wrote to memory of 492	3784	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf.exe
"C:\Users\Admin\AppData\Local\Temp\99ecb8fe08339f5a1ef6790d2102b38f7b17cf8f74a258f6020ab2075b2734bf.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3460

C:\Windows\SysWOW64\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Windows\ikunbeps.dll"
2⤵
- Loads dropped DLL
- Modifies registry class
PID:3444

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://www.google.com/search?q=sex download
2⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3784

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3784 CREDAT:17410 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:492

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\a5473fd\imagestore.dat
Filesize
5KB

MD5
493926bd6990823e06357fc69ba02c3b

SHA1
faeaf149c204c6b498a33e62d3cf5afa9ffc3c26

SHA256
dce2f50364ad7f65fbb3786932b55d9b541fe8905f48cb30c6e7156ebd320c42

SHA512
de50a7af2d2de827d7ea7aa47855af9f7d63da816016536b27e083bf1291e0fa467a401397fc129cba9f2eb6d54857a884a3c40cb1998de779bfb50031ed2fe8

Download Submit
C:\Windows\ikunbeps.dll
Filesize
246KB

MD5
c90370a618f0505e6d190c6fa175aeaa

SHA1
7a260db073f691c3679bd1e8cf17ba934d290b18

SHA256
ae87350bcdda0fba4914ae063686574767ac37794fb9355125e27030fd17ae97

SHA512
7315ae09c0b3f0f8a3e35c3360a93d2381ebba3c515a3dee138fad9dc22b527684f988057e3f3f4e502d9f4d4c99591d83e2a3eed0f573819dac8885bfa44486

Download Submit
C:\Windows\ikunbeps.dll
Filesize
246KB

MD5
c90370a618f0505e6d190c6fa175aeaa

SHA1
7a260db073f691c3679bd1e8cf17ba934d290b18

SHA256
ae87350bcdda0fba4914ae063686574767ac37794fb9355125e27030fd17ae97

SHA512
7315ae09c0b3f0f8a3e35c3360a93d2381ebba3c515a3dee138fad9dc22b527684f988057e3f3f4e502d9f4d4c99591d83e2a3eed0f573819dac8885bfa44486

Download Submit
memory/3444-130-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads