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Analysis
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max time kernel
145s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01/10/2022, 17:53
Static task
static1
Behavioral task
behavioral1
Sample
3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll
Resource
win7-20220812-en
General
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Target
3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll
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Size
1.0MB
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MD5
4e0f468569483683ba2834c238aa4800
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SHA1
00e6092bc12306d849437a1938427769da32f10b
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SHA256
3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92
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SHA512
665f66bc86ef5e61cc254cc93acc8a5921f1097d627e4596e309269e0ef2c3f1a12aa2f2a244b56b3825adf71b7b29d578dce0fc7c1346d77946dfdd1af5186f
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SSDEEP
24576:ZWGz5BWMOxV1RVG86D35AWm+9MPIWbN7wby3AV:MMcR2zXGQWbNr3AV
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 4476 regsvr32Srv.exe 4140 DesktopLayer.exe -
resource yara_rule behavioral2/files/0x0006000000022637-134.dat upx behavioral2/files/0x0006000000022637-135.dat upx behavioral2/memory/4476-138-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/files/0x0009000000022df4-139.dat upx behavioral2/files/0x0009000000022df4-137.dat upx behavioral2/memory/4140-140-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\regsvr32Srv.exe regsvr32.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe regsvr32Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe regsvr32Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\px7832.tmp regsvr32Srv.exe -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371419447" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2694412621" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30987728" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2717381696" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2717381696" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30987728" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{CB37FA36-41C3-11ED-B696-72E07057041D} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30987728" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2694412621" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30987728" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE -
Modifies registry class 58 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0180E49C-13BF-46DB-9AFD-9F52292E1C22}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A8B25C0E-0894-4531-B668-AB1599FAF7F6}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE77C59C-CFD2-429F-868C-8B04D23F94CA}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0180E49C-13BF-46DB-9AFD-9F52292E1C22}\ = "DVSGeneralPPage" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A8B25C0E-0894-4531-B668-AB1599FAF7F6} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{525F116F-04AD-40A2-AE2F-A0C4E1AFEF98} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{525F116F-04AD-40A2-AE2F-A0C4E1AFEF98}\ = "DVSZoomPPage" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}\CLSID = "{93A22E7A-5091-45EF-BA61-6DA26156A5D0}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{60765CF5-01C2-4EE7-A44B-C791CF25FEA0}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{525F116F-04AD-40A2-AE2F-A0C4E1AFEF98}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F544E0F5-CA3C-47EA-A64D-35FCF1602396}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{60765CF5-01C2-4EE7-A44B-C791CF25FEA0} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2D6D98F-09CA-4524-AF64-1049B5665C9C}\ = "DVSColorPPage" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE77C59C-CFD2-429F-868C-8B04D23F94CA}\ = "DVSPathsPPage" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{93A22E7A-5091-45EF-BA61-6DA26156A5D0} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A8B25C0E-0894-4531-B668-AB1599FAF7F6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{525F116F-04AD-40A2-AE2F-A0C4E1AFEF98}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2D6D98F-09CA-4524-AF64-1049B5665C9C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE77C59C-CFD2-429F-868C-8B04D23F94CA}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE77C59C-CFD2-429F-868C-8B04D23F94CA}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A8B25C0E-0894-4531-B668-AB1599FAF7F6}\ = "DVSMiscPPage" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F544E0F5-CA3C-47EA-A64D-35FCF1602396} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ACE4747B-35BD-4E97-9DD7-1D4245B0695C}\InprocServer32 regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}\FilterData = 02000000000020000300000000000000307069330000000000000000090000000000000000000000307479330000000008010000080100003174793300000000180100002801000032747933000000001801000038010000337479330000000018010000480100003474793300000000180100005801000035747933000000001801000068010000367479330000000018010000780100003774793300000000180100008801000038747933000000001801000098010000317069330800000000000000010000000000000000000000307479330000000018010000a80100003270693306000000000000000100000000000000000000003074793300000000b8010000a8010000000000000000000000000000000000007669647300001000800000aa00389b715955593200001000800000aa00389b715956313200001000800000aa00389b714934323000001000800000aa00389b714959555600001000800000aa00389b717eeb36e44f52ce119f530020af0ba7707beb36e44f52ce119f530020af0ba7707ceb36e44f52ce119f530020af0ba7707deb36e44f52ce119f530020af0ba7708eeb36e44f52ce119f530020af0ba7707478747300001000800000aa00389b71 regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{9852A670-F845-491B-9BE6-EBD841B8A613}\FilterData = 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 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ACE4747B-35BD-4E97-9DD7-1D4245B0695C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F544E0F5-CA3C-47EA-A64D-35FCF1602396}\ = "DVSAboutPPage" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{9852A670-F845-491B-9BE6-EBD841B8A613}\CLSID = "{9852A670-F845-491B-9BE6-EBD841B8A613}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9852A670-F845-491B-9BE6-EBD841B8A613} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{60765CF5-01C2-4EE7-A44B-C791CF25FEA0}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A8B25C0E-0894-4531-B668-AB1599FAF7F6}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ACE4747B-35BD-4E97-9DD7-1D4245B0695C}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}\ = "DirectVobSub" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9852A670-F845-491B-9BE6-EBD841B8A613}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{525F116F-04AD-40A2-AE2F-A0C4E1AFEF98}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2D6D98F-09CA-4524-AF64-1049B5665C9C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{9852A670-F845-491B-9BE6-EBD841B8A613}\FriendlyName = "DirectVobSub (auto-loading version)" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{93A22E7A-5091-45EF-BA61-6DA26156A5D0} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9852A670-F845-491B-9BE6-EBD841B8A613}\ = "DirectVobSub (auto-loading version)" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{60765CF5-01C2-4EE7-A44B-C791CF25FEA0}\ = "DVSMainPPage" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ACE4747B-35BD-4E97-9DD7-1D4245B0695C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2D6D98F-09CA-4524-AF64-1049B5665C9C}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}\FriendlyName = "DirectVobSub" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{9852A670-F845-491B-9BE6-EBD841B8A613} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0180E49C-13BF-46DB-9AFD-9F52292E1C22}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ACE4747B-35BD-4E97-9DD7-1D4245B0695C}\ = "DVSTimingPPage" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F544E0F5-CA3C-47EA-A64D-35FCF1602396}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9852A670-F845-491B-9BE6-EBD841B8A613}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9852A670-F845-491B-9BE6-EBD841B8A613}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0180E49C-13BF-46DB-9AFD-9F52292E1C22} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{60765CF5-01C2-4EE7-A44B-C791CF25FEA0}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0180E49C-13BF-46DB-9AFD-9F52292E1C22}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C2D6D98F-09CA-4524-AF64-1049B5665C9C}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE77C59C-CFD2-429F-868C-8B04D23F94CA} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F544E0F5-CA3C-47EA-A64D-35FCF1602396}\InprocServer32 regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4140 DesktopLayer.exe 4140 DesktopLayer.exe 4140 DesktopLayer.exe 4140 DesktopLayer.exe 4140 DesktopLayer.exe 4140 DesktopLayer.exe 4140 DesktopLayer.exe 4140 DesktopLayer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 928 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 928 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 928 iexplore.exe 928 iexplore.exe 1536 IEXPLORE.EXE 1536 IEXPLORE.EXE 1536 IEXPLORE.EXE 1536 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 544 wrote to memory of 4576 544 regsvr32.exe 78 PID 544 wrote to memory of 4576 544 regsvr32.exe 78 PID 544 wrote to memory of 4576 544 regsvr32.exe 78 PID 4576 wrote to memory of 4476 4576 regsvr32.exe 79 PID 4576 wrote to memory of 4476 4576 regsvr32.exe 79 PID 4576 wrote to memory of 4476 4576 regsvr32.exe 79 PID 4476 wrote to memory of 4140 4476 regsvr32Srv.exe 80 PID 4476 wrote to memory of 4140 4476 regsvr32Srv.exe 80 PID 4476 wrote to memory of 4140 4476 regsvr32Srv.exe 80 PID 4140 wrote to memory of 928 4140 DesktopLayer.exe 81 PID 4140 wrote to memory of 928 4140 DesktopLayer.exe 81 PID 928 wrote to memory of 1536 928 iexplore.exe 82 PID 928 wrote to memory of 1536 928 iexplore.exe 82 PID 928 wrote to memory of 1536 928 iexplore.exe 82
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll1⤵
- Suspicious use of WriteProcessMemory
PID:544 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll2⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4576 -
C:\Windows\SysWOW64\regsvr32Srv.exeC:\Windows\SysWOW64\regsvr32Srv.exe3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4476 -
C:\Program Files (x86)\Microsoft\DesktopLayer.exe"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4140 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"5⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:928 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:928 CREDAT:17410 /prefetch:26⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1536
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD5f525b778e6901e8c416e2920e4e3dc0b
SHA1917ce8ae6d64bdd4dd438488176253022c57a083
SHA256c9eee793aa4aa79f35d393f9f1d863483aaf4004dea6ac19bda868e92a71f8bd
SHA512f6f47a4935c09769b8df316e1b459c7b153ed26ac409d4bf2ce62a1635dba4eaf7ce77de5ce83100d6f3ce7aadffed7591fb7cee7ac10a0c081a2d3c613f1ad8
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5bac960c00946d8f72ecb683adde8d289
SHA14a92e10509055442dac6ca2606ae1549933411cc
SHA2564a40102e53744f2e36607ac5788847097eff54e78696d9fff16568f030493b17
SHA51274f7224786e295fb53a4b607e0bb8f4f5252995202cb8b92fea315eb7bd72c1387aeea87bec65db4afef97c187c77d5b610bbcfb541c2165dfe778f2e2715e4c
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a