Analysis
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max time kernel
143s -
max time network
177s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 10:58
Static task
static1
Behavioral task
behavioral1
Sample
2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe
Resource
win7-20220414-en
General
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Target
2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe
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Size
5.0MB
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MD5
27d671e5478cb71030023d80834f713f
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SHA1
00599520f60ced4ad5d5985b6866c16752a30e82
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SHA256
2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579
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SHA512
ee0aa0b0e8b111eec375dbb380b71dd9b27b256d8b703f8536059c475abf4c41e895a484c4c7ef780d60247b9cc9c864215040febcaac325371a145109a9f8fd
Malware Config
Signatures
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Glupteba Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1984-56-0x0000000000400000-0x0000000000AE9000-memory.dmp family_glupteba behavioral1/memory/1592-62-0x0000000000400000-0x0000000000AE9000-memory.dmp family_glupteba behavioral1/memory/1384-69-0x0000000000400000-0x0000000000AE9000-memory.dmp family_glupteba -
suricata: ET MALWARE Glupteba CnC Domain in DNS Lookup
suricata: ET MALWARE Glupteba CnC Domain in DNS Lookup
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Executes dropped EXE 1 IoCs
Processes:
csrss.exepid process 1384 csrss.exe -
Modifies Windows Firewall 1 TTPs
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Loads dropped DLL 2 IoCs
Processes:
2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exepid process 1592 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe 1592 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe -
Processes:
2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\cloudnet.exe = "0" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe = "0" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet = "0" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\OldFrost = "0" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\OldFrost = "\"C:\\Windows\\rss\\csrss.exe\"" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe -
Drops file in System32 directory 4 IoCs
Processes:
csrss.exedescription ioc process 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 directory 3 IoCs
Processes:
2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exemakecab.exedescription ioc process File opened for modification C:\Windows\rss 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe File created C:\Windows\rss\csrss.exe 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe File created C:\Windows\Logs\CBS\CbsPersist_20220521131008.cab makecab.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.execsrss.exenetsh.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-522 = "N. Central Asia Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-103 = "1.0" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-471 = "Ekaterinburg Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.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,-622 = "Korea Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-4 = "1.0" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.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,-161 = "Central Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\eapqec.dll,-102 = "1.0" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-101 = "Provides RD Gateway enforcement for NAP" netsh.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,-662 = "Cen. Australia Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-422 = "Russian Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-582 = "North Asia East Standard Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates csrss.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe -
Processes:
csrss.exedescription ioc process 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 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 0400000001000000100000000cd2f9e0da1773e9ed864da5e370e74e14000000010000001400000079b459e67bb6e5e40173800888c81a58f6e99b6e030000000100000014000000cabd2a79a1076a31f21d253635cb039d4329a5e80f00000001000000200000003f0411ede9c4477057d57e57883b1f205b20cdc0f3263129b1ee0269a2678f631900000001000000100000002fe1f70bb05d7c92335bc5e05b984da620000000010000006f0500003082056b30820353a0030201020211008210cfb0d240e3594463e0bb63828b00300d06092a864886f70d01010b0500304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f74205831301e170d3135303630343131303433385a170d3335303630343131303433385a304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f7420583130820222300d06092a864886f70d01010105000382020f003082020a0282020100ade82473f41437f39b9e2b57281c87bedcb7df38908c6e3ce657a078f775c2a2fef56a6ef6004f28dbde68866c4493b6b163fd14126bbf1fd2ea319b217ed1333cba48f5dd79dfb3b8ff12f1219a4bc18a8671694a66666c8f7e3c70bfad292206f3e4c0e680aee24b8fb7997e94039fd347977c99482353e838ae4f0a6f832ed149578c8074b6da2fd0388d7b0370211b75f2303cfa8faeddda63abeb164fc28e114b7ecf0be8ffb5772ef4b27b4ae04c12250c708d0329a0e15324ec13d9ee19bf10b34a8c3f89a36151deac870794f46371ec2ee26f5b9881e1895c34796c76ef3b906279e6dba49a2f26c5d010e10eded9108e16fbb7f7a8f7c7e50207988f360895e7e237960d36759efb0e72b11d9bbc03f94905d881dd05b42ad641e9ac0176950a0fd8dfd5bd121f352f28176cd298c1a80964776e4737baceac595e689d7f72d689c50641293e593edd26f524c911a75aa34c401f46a199b5a73a516e863b9e7d72a712057859ed3e5178150b038f8dd02f05b23e7b4a1c4b730512fcc6eae050137c439374b3ca74e78e1f0108d030d45b7136b407bac130305c48b7823b98a67d608aa2a32982ccbabd83041ba2830341a1d605f11bc2b6f0a87c863b46a8482a88dc769a76bf1f6aa53d198feb38f364dec82b0d0a28fff7dbe21542d422d0275de179fe18e77088ad4ee6d98b3ac6dd27516effbc64f533434f0203010001a3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e0416041479b459e67bb6e5e40173800888c81a58f6e99b6e300d06092a864886f70d01010b05000382020100551f58a9bcb2a850d00cb1d81a6920272908ac61755c8a6ef882e5692fd5f6564bb9b8731059d321977ee74c71fbb2d260ad39a80bea17215685f1500e59ebcee059e9bac915ef869d8f8480f6e4e99190dc179b621b45f06695d27c6fc2ea3bef1fcfcbd6ae27f1a9b0c8aefd7d7e9afa2204ebffd97fea912b22b1170e8ff28a345b58d8fc01c954b9b826cc8a8833894c2d843c82dfee965705ba2cbbf7c4b7c74e3b82be31c822737392d1c280a43939103323824c3c9f86b255981dbe29868c229b9ee26b3b573a82704ddc09c789cb0a074d6ce85d8ec9efceabc7bbb52b4e45d64ad026cce572ca086aa595e315a1f7a4edc92c5fa5fbffac28022ebed77bbbe3717b9016d3075e46537c3707428cd3c4969cd599b52ae0951a8048ae4c3907cecc47a452952bbab8fbadd233537de51d4d6dd5a1b1c7426fe64027355ca328b7078de78d3390e7239ffb509c796c46d5b415b3966e7e9b0c963ab8522d3fd65be1fb08c284fe24a8a389daac6ae1182ab1a843615bd31fdc3b8d76f22de88d75df17336c3d53fb7bcb415fffdca2d06138e196b8ac5d8b37d775d533c09911ae9d41c1727584be0241425f67244894d19b27be073fb9b84f817451e17ab7ed9d23e2bee0d52804133c31039edd7a6c8fc60718c67fde478e3f289e0406cfa5543477bdec899be91743df5bdb5ffe8e1e57a2cd409d7e6222dade1827 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 -
Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.execsrss.exepid process 1984 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe 1984 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe 1984 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe 1984 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe 1592 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe 1592 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe 1592 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe 1384 csrss.exe 1384 csrss.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exedescription pid process Token: SeDebugPrivilege 1984 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe Token: SeImpersonatePrivilege 1984 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.execmd.exedescription pid process target process PID 1592 wrote to memory of 1944 1592 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe cmd.exe PID 1592 wrote to memory of 1944 1592 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe cmd.exe PID 1592 wrote to memory of 1944 1592 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe cmd.exe PID 1592 wrote to memory of 1944 1592 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe cmd.exe PID 1944 wrote to memory of 1540 1944 cmd.exe netsh.exe PID 1944 wrote to memory of 1540 1944 cmd.exe netsh.exe PID 1944 wrote to memory of 1540 1944 cmd.exe netsh.exe PID 1592 wrote to memory of 1384 1592 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe csrss.exe PID 1592 wrote to memory of 1384 1592 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe csrss.exe PID 1592 wrote to memory of 1384 1592 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe csrss.exe PID 1592 wrote to memory of 1384 1592 2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe csrss.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe"C:\Users\Admin\AppData\Local\Temp\2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe"C:\Users\Admin\AppData\Local\Temp\2a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579.exe"2⤵
- Loads dropped DLL
- Windows security modification
- Adds Run key to start application
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious 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"3⤵
- 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=yes4⤵
- Modifies data under HKEY_USERS
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe ""3⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\system32\makecab.exe"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20220521131008.log C:\Windows\Logs\CBS\CbsPersist_20220521131008.cab1⤵
- Drops file in Windows directory
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Windows\rss\csrss.exeFilesize
5.0MB
MD527d671e5478cb71030023d80834f713f
SHA100599520f60ced4ad5d5985b6866c16752a30e82
SHA2562a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579
SHA512ee0aa0b0e8b111eec375dbb380b71dd9b27b256d8b703f8536059c475abf4c41e895a484c4c7ef780d60247b9cc9c864215040febcaac325371a145109a9f8fd
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\Windows\rss\csrss.exeFilesize
5.0MB
MD527d671e5478cb71030023d80834f713f
SHA100599520f60ced4ad5d5985b6866c16752a30e82
SHA2562a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579
SHA512ee0aa0b0e8b111eec375dbb380b71dd9b27b256d8b703f8536059c475abf4c41e895a484c4c7ef780d60247b9cc9c864215040febcaac325371a145109a9f8fd
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\Windows\rss\csrss.exeFilesize
5.0MB
MD527d671e5478cb71030023d80834f713f
SHA100599520f60ced4ad5d5985b6866c16752a30e82
SHA2562a9a76e1cd24b7d30675ea936137f7b159424e318a9bc086f466ead4ee6ae579
SHA512ee0aa0b0e8b111eec375dbb380b71dd9b27b256d8b703f8536059c475abf4c41e895a484c4c7ef780d60247b9cc9c864215040febcaac325371a145109a9f8fd
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memory/1384-69-0x0000000000400000-0x0000000000AE9000-memory.dmpFilesize
6.9MB
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memory/1384-68-0x0000000002990000-0x0000000002D28000-memory.dmpFilesize
3.6MB
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memory/1384-67-0x0000000002990000-0x0000000002E5A000-memory.dmpFilesize
4.8MB
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memory/1384-65-0x0000000000000000-mapping.dmp
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memory/1540-59-0x0000000000000000-mapping.dmp
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memory/1540-60-0x000007FEFBD41000-0x000007FEFBD43000-memory.dmpFilesize
8KB
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memory/1592-62-0x0000000000400000-0x0000000000AE9000-memory.dmpFilesize
6.9MB
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memory/1592-61-0x0000000002AD0000-0x0000000002E68000-memory.dmpFilesize
3.6MB
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memory/1592-57-0x0000000002AD0000-0x0000000002F9A000-memory.dmpFilesize
4.8MB
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memory/1944-58-0x0000000000000000-mapping.dmp
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memory/1984-54-0x0000000002B50000-0x000000000301A000-memory.dmpFilesize
4.8MB
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memory/1984-56-0x0000000000400000-0x0000000000AE9000-memory.dmpFilesize
6.9MB
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memory/1984-55-0x0000000002B50000-0x0000000002EE8000-memory.dmpFilesize
3.6MB