1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe
4MB
20-05-2022 05:13
behavioral1
79b2dce444347169977d7fa87137f839
239779f6b48824a9e7626f6aa3c306c08eb244dd
1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef
73d68bf150662bb78ceb913dd54d5fe2414aed37769dd453102eb4ac9ea5fc565fbd45ecd9ba4e95422ba191ff0f8d1544d6fcb715b6c51fac5bbe1cc805346f
Filter: none
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Glupteba
Description
Glupteba is a modular loader written in Golang with various components.
Tags
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Glupteba Payload
Reported IOCs
resource yara_rule behavioral1/memory/1672-56-0x0000000000400000-0x0000000000AE9000-memory.dmp family_glupteba behavioral1/memory/1596-62-0x0000000000400000-0x0000000000AE9000-memory.dmp family_glupteba behavioral1/memory/628-69-0x0000000000400000-0x0000000000AE9000-memory.dmp family_glupteba -
Windows security bypass
Tags
TTPs
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suricata: ET MALWARE Glupteba CnC Domain in DNS Lookup
Description
suricata: ET MALWARE Glupteba CnC Domain in DNS Lookup
Tags
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Executes dropped EXEcsrss.exe
Reported IOCs
pid process 628 csrss.exe -
Modifies Windows Firewall
Tags
TTPs
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Loads dropped DLL1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe
Reported IOCs
pid process 1596 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe 1596 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe -
Windows security modification1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe
Tags
TTPs
Reported IOCs
description ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet = "0" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\BlackFog = "0" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe = "0" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\cloudnet.exe = "0" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe -
Adds Run key to start application1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe
Tags
TTPs
Reported IOCs
description ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\BlackFog = "\"C:\\Windows\\rss\\csrss.exe\"" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe -
Drops file in System32 directorycsrss.exe
Reported IOCs
description ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357 csrss.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357 csrss.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E0F5C59F9FA661F6F4C50B87FEF3A15A csrss.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E0F5C59F9FA661F6F4C50B87FEF3A15A csrss.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015 csrss.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015 csrss.exe -
Drops file in Windows directory1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exemakecab.exe
Reported IOCs
description ioc process File opened for modification C:\Windows\rss 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe File created C:\Windows\rss\csrss.exe 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe File created C:\Windows\Logs\CBS\CbsPersist_20220520071127.cab makecab.exe -
Modifies data under HKEY_USERS1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.execsrss.exenetsh.exe
Reported IOCs
description ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs csrss.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-3 = "Microsoft Corporation" netsh.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-581 = "North Asia East Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Key created \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace\Session netsh.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs csrss.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-100 = "DHCP Quarantine Enforcement Client" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-471 = "Ekaterinburg Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Key created \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace netsh.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-102 = "1.0" netsh.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe -
Modifies system certificate storecsrss.exe
Tags
TTPs
Reported IOCs
description ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 csrss.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 csrss.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 csrss.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 csrss.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 csrss.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 csrss.exe -
Suspicious behavior: EnumeratesProcesses1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.execsrss.exe
Reported IOCs
pid process 1672 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe 1672 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe 1672 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe 1672 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe 1596 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe 1596 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe 1596 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe 628 csrss.exe 628 csrss.exe -
Suspicious use of AdjustPrivilegeToken1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe
Reported IOCs
description pid process Token: SeDebugPrivilege 1672 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe Token: SeImpersonatePrivilege 1672 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe -
Suspicious use of WriteProcessMemory1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.execmd.exe
Reported IOCs
description pid process target process PID 1596 wrote to memory of 880 1596 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe cmd.exe PID 1596 wrote to memory of 880 1596 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe cmd.exe PID 1596 wrote to memory of 880 1596 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe cmd.exe PID 1596 wrote to memory of 880 1596 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe cmd.exe PID 880 wrote to memory of 1764 880 cmd.exe netsh.exe PID 880 wrote to memory of 1764 880 cmd.exe netsh.exe PID 880 wrote to memory of 1764 880 cmd.exe netsh.exe PID 1596 wrote to memory of 628 1596 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe csrss.exe PID 1596 wrote to memory of 628 1596 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe csrss.exe PID 1596 wrote to memory of 628 1596 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe csrss.exe PID 1596 wrote to memory of 628 1596 1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe csrss.exe
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C:\Users\Admin\AppData\Local\Temp\1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe"C:\Users\Admin\AppData\Local\Temp\1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe"Suspicious behavior: EnumeratesProcessesSuspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe"C:\Users\Admin\AppData\Local\Temp\1ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef.exe"Loads dropped DLLWindows security modificationAdds Run key to start applicationDrops file in Windows directoryModifies data under HKEY_USERSSuspicious behavior: EnumeratesProcessesSuspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yesModifies data under HKEY_USERS
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe ""Executes dropped EXEDrops file in System32 directoryModifies data under HKEY_USERSModifies system certificate storeSuspicious behavior: EnumeratesProcesses
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C:\Windows\system32\makecab.exe"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20220520071127.log C:\Windows\Logs\CBS\CbsPersist_20220520071127.cabDrops file in Windows directory
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C:\Windows\rss\csrss.exe
MD579b2dce444347169977d7fa87137f839
SHA1239779f6b48824a9e7626f6aa3c306c08eb244dd
SHA2561ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef
SHA51273d68bf150662bb78ceb913dd54d5fe2414aed37769dd453102eb4ac9ea5fc565fbd45ecd9ba4e95422ba191ff0f8d1544d6fcb715b6c51fac5bbe1cc805346f
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\Windows\rss\csrss.exe
MD579b2dce444347169977d7fa87137f839
SHA1239779f6b48824a9e7626f6aa3c306c08eb244dd
SHA2561ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef
SHA51273d68bf150662bb78ceb913dd54d5fe2414aed37769dd453102eb4ac9ea5fc565fbd45ecd9ba4e95422ba191ff0f8d1544d6fcb715b6c51fac5bbe1cc805346f
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\Windows\rss\csrss.exe
MD579b2dce444347169977d7fa87137f839
SHA1239779f6b48824a9e7626f6aa3c306c08eb244dd
SHA2561ea3c3acb4c6e533907cc7bdafd5cb4bd5e8294b717803e86b57c925d5992aef
SHA51273d68bf150662bb78ceb913dd54d5fe2414aed37769dd453102eb4ac9ea5fc565fbd45ecd9ba4e95422ba191ff0f8d1544d6fcb715b6c51fac5bbe1cc805346f
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memory/628-68-0x0000000002A90000-0x0000000002E28000-memory.dmp
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memory/628-67-0x0000000002A90000-0x0000000002F5A000-memory.dmp
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memory/628-65-0x0000000000000000-mapping.dmp
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memory/628-69-0x0000000000400000-0x0000000000AE9000-memory.dmp
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memory/880-58-0x0000000000000000-mapping.dmp
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memory/1596-61-0x0000000002920000-0x0000000002CB8000-memory.dmp
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memory/1596-57-0x0000000002920000-0x0000000002DEA000-memory.dmp
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memory/1596-62-0x0000000000400000-0x0000000000AE9000-memory.dmp
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memory/1672-56-0x0000000000400000-0x0000000000AE9000-memory.dmp
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memory/1672-55-0x0000000002980000-0x0000000002D18000-memory.dmp
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memory/1672-54-0x0000000002980000-0x0000000002E4A000-memory.dmp
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memory/1764-60-0x000007FEFBAA1000-0x000007FEFBAA3000-memory.dmp
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memory/1764-59-0x0000000000000000-mapping.dmp