Analysis
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max time kernel
150s -
max time network
129s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
02-02-2023 08:18
Static task
static1
General
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Target
5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe
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Size
4.1MB
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MD5
7fafbd8b55f1f9520ab1cb303f7d21e6
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SHA1
bfa749f6408c9baa4531bcbba05a38f5809bedbd
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SHA256
5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650
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SHA512
23d4a91b1775efb6d883a3507a3d5f68097270f9add4e5aa3ec06d4f72c4bb551d009238a2d9a3a35e0b8e1e64f8ce1415e7ffd32eb1be8071e53d01e1a50d19
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SSDEEP
98304:R+Ap1R2Q5TqXzWWdOqeMAE/l3CDzSpE0lgeinU5Cm33Nw+Q8qb7G:R+Ap1R2Q5TqXyWdneMA8C/SpoeinU5xX
Malware Config
Signatures
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Processes:
5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe = "0" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 3372 csrss.exe 580 injector.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Processes:
5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe = "0" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exe5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.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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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Drops file in Windows directory 2 IoCs
Processes:
5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exedescription ioc process File opened for modification C:\Windows\rss 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe File created C:\Windows\rss\csrss.exe 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.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 1276 schtasks.exe 2176 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.execsrss.exenetsh.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace netsh.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Key created \REGISTRY\USER\.DEFAULT\SYSTEM netsh.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exeinjector.execsrss.exepid process 2972 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe 2972 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe 4684 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe 4684 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe 4684 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe 4684 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe 4684 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe 4684 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe 4684 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe 4684 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe 4684 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe 4684 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 3372 csrss.exe 3372 csrss.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 3372 csrss.exe 3372 csrss.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe 580 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.execsrss.exedescription pid process Token: SeDebugPrivilege 2972 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Token: SeImpersonatePrivilege 2972 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe Token: SeSystemEnvironmentPrivilege 3372 csrss.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.execmd.execsrss.exedescription pid process target process PID 4684 wrote to memory of 3204 4684 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe cmd.exe PID 4684 wrote to memory of 3204 4684 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe cmd.exe PID 3204 wrote to memory of 2924 3204 cmd.exe netsh.exe PID 3204 wrote to memory of 2924 3204 cmd.exe netsh.exe PID 4684 wrote to memory of 3372 4684 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe csrss.exe PID 4684 wrote to memory of 3372 4684 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe csrss.exe PID 4684 wrote to memory of 3372 4684 5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe csrss.exe PID 3372 wrote to memory of 580 3372 csrss.exe injector.exe PID 3372 wrote to memory of 580 3372 csrss.exe injector.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe"C:\Users\Admin\AppData\Local\Temp\5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe"C:\Users\Admin\AppData\Local\Temp\5afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650.exe"2⤵
- Windows security bypass
- 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 Windows Firewall
- Modifies data under HKEY_USERS
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Modifies data under HKEY_USERS
- 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 /delete /tn ScheduledUpdate /f4⤵
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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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)
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\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\rss\csrss.exeFilesize
4.1MB
MD57fafbd8b55f1f9520ab1cb303f7d21e6
SHA1bfa749f6408c9baa4531bcbba05a38f5809bedbd
SHA2565afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650
SHA51223d4a91b1775efb6d883a3507a3d5f68097270f9add4e5aa3ec06d4f72c4bb551d009238a2d9a3a35e0b8e1e64f8ce1415e7ffd32eb1be8071e53d01e1a50d19
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C:\Windows\rss\csrss.exeFilesize
4.1MB
MD57fafbd8b55f1f9520ab1cb303f7d21e6
SHA1bfa749f6408c9baa4531bcbba05a38f5809bedbd
SHA2565afe3bf437284f5f29bd32aa980614de0dd2c92702acc1044d66e5761ddf9650
SHA51223d4a91b1775efb6d883a3507a3d5f68097270f9add4e5aa3ec06d4f72c4bb551d009238a2d9a3a35e0b8e1e64f8ce1415e7ffd32eb1be8071e53d01e1a50d19
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memory/580-378-0x0000000000000000-mapping.dmp
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memory/2924-299-0x0000000000000000-mapping.dmp
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memory/2972-156-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-180-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-124-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-123-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-125-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-127-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-126-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-128-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-129-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-130-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-131-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-132-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-133-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-134-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-135-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-136-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-137-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-138-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-140-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-141-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-142-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-143-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-144-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-145-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-146-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-162-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-148-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-150-0x0000000002B00000-0x0000000002EF0000-memory.dmpFilesize
3.9MB
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memory/2972-149-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-151-0x0000000002EF0000-0x0000000003767000-memory.dmpFilesize
8.5MB
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memory/2972-152-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/2972-153-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-154-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-155-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-121-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-157-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-158-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-159-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-160-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-118-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-147-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-163-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-165-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-164-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-166-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-167-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-168-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-169-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-170-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-171-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-172-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-173-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-174-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-175-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-176-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-177-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-178-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-179-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-122-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-181-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-182-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-183-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-184-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-185-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-244-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/2972-161-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-119-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/2972-120-0x0000000077220000-0x00000000773AE000-memory.dmpFilesize
1.6MB
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memory/3204-298-0x0000000000000000-mapping.dmp
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memory/3372-354-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/3372-349-0x0000000002F00000-0x00000000032EA000-memory.dmpFilesize
3.9MB
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memory/3372-301-0x0000000000000000-mapping.dmp
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memory/3372-384-0x0000000002F00000-0x00000000032EA000-memory.dmpFilesize
3.9MB
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memory/3372-385-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/4684-277-0x0000000002950000-0x0000000002D46000-memory.dmpFilesize
4.0MB
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memory/4684-283-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/4684-305-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB