Analysis
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max time kernel
150s -
max time network
144s -
platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
29-01-2023 08:08
Static task
static1
General
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Target
389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe
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Size
4.1MB
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MD5
134f6fa8c56686f414ba6fc100da15a8
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SHA1
6aa1fd2c556f577bd006e65b3e2496380584fcb0
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SHA256
389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5
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SHA512
7e17c1fab1574c28d17471a77042680861d8f2610ef1c1708783061b9c8f746be06252c41b0b7640318e09fb275f7c311d73936a417ce09c5b7cf46ec5cd8279
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SSDEEP
98304:k5yI0SOgapeVXm3qHpKY0heUlhvM2rnyIPCcNWYl06mRSL:kP0ngHXPHpD0U6nBPsS
Malware Config
Signatures
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Processes:
389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe = "0" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 4672 csrss.exe 876 injector.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Processes:
389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe = "0" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.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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Drops file in Windows directory 2 IoCs
Processes:
389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exedescription ioc process File opened for modification C:\Windows\rss 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe File created C:\Windows\rss\csrss.exe 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.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 1256 schtasks.exe 2196 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exenetsh.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Key created \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.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" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.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" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.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" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exeinjector.execsrss.exepid process 1928 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe 1928 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe 4260 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe 4260 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe 4260 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe 4260 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe 4260 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe 4260 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe 4260 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe 4260 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe 4260 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe 4260 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 4672 csrss.exe 4672 csrss.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 4672 csrss.exe 4672 csrss.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe 876 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.execsrss.exedescription pid process Token: SeDebugPrivilege 1928 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Token: SeImpersonatePrivilege 1928 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe Token: SeSystemEnvironmentPrivilege 4672 csrss.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.execmd.execsrss.exedescription pid process target process PID 4260 wrote to memory of 4740 4260 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe cmd.exe PID 4260 wrote to memory of 4740 4260 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe cmd.exe PID 4740 wrote to memory of 4612 4740 cmd.exe netsh.exe PID 4740 wrote to memory of 4612 4740 cmd.exe netsh.exe PID 4260 wrote to memory of 4672 4260 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe csrss.exe PID 4260 wrote to memory of 4672 4260 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe csrss.exe PID 4260 wrote to memory of 4672 4260 389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe csrss.exe PID 4672 wrote to memory of 876 4672 csrss.exe injector.exe PID 4672 wrote to memory of 876 4672 csrss.exe injector.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe"C:\Users\Admin\AppData\Local\Temp\389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.exe"C:\Users\Admin\AppData\Local\Temp\389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5.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 /delete /tn ScheduledUpdate /f4⤵
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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:\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
-
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
MD5134f6fa8c56686f414ba6fc100da15a8
SHA16aa1fd2c556f577bd006e65b3e2496380584fcb0
SHA256389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5
SHA5127e17c1fab1574c28d17471a77042680861d8f2610ef1c1708783061b9c8f746be06252c41b0b7640318e09fb275f7c311d73936a417ce09c5b7cf46ec5cd8279
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C:\Windows\rss\csrss.exeFilesize
4.1MB
MD5134f6fa8c56686f414ba6fc100da15a8
SHA16aa1fd2c556f577bd006e65b3e2496380584fcb0
SHA256389ea3d2ecd696342e4fc9cf10e4cafabd90b44d9e83f91f88899f2c37a231b5
SHA5127e17c1fab1574c28d17471a77042680861d8f2610ef1c1708783061b9c8f746be06252c41b0b7640318e09fb275f7c311d73936a417ce09c5b7cf46ec5cd8279
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memory/876-377-0x0000000000000000-mapping.dmp
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memory/1928-158-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
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memory/1928-157-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-124-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-125-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-126-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-127-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-128-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-129-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-130-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-131-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-132-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-133-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-134-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-136-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-137-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-138-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-139-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-140-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-141-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-142-0x0000000002B20000-0x0000000002F13000-memory.dmpFilesize
3.9MB
-
memory/1928-145-0x0000000002F20000-0x0000000003797000-memory.dmpFilesize
8.5MB
-
memory/1928-143-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-144-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-146-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-148-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/1928-147-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-149-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-150-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-151-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-161-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-153-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-154-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-155-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-156-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-163-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-122-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-159-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-160-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-152-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-120-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-123-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-164-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-165-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-166-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-167-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-168-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-169-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-171-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-170-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-172-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-173-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-174-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-176-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-175-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-177-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-178-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-179-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-180-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-181-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-182-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-183-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-184-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-185-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-186-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-187-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-250-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/1928-162-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/1928-121-0x0000000077D70000-0x0000000077EFE000-memory.dmpFilesize
1.6MB
-
memory/4260-307-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4260-297-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4260-294-0x0000000002AA0000-0x0000000002E99000-memory.dmpFilesize
4.0MB
-
memory/4612-299-0x0000000000000000-mapping.dmp
-
memory/4672-301-0x0000000000000000-mapping.dmp
-
memory/4672-329-0x0000000002D00000-0x00000000030EA000-memory.dmpFilesize
3.9MB
-
memory/4672-334-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4672-383-0x0000000002D00000-0x00000000030EA000-memory.dmpFilesize
3.9MB
-
memory/4672-384-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4740-298-0x0000000000000000-mapping.dmp