Analysis
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max time kernel
140s -
max time network
133s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
27-01-2023 13:53
Static task
static1
General
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Target
07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe
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Size
4.2MB
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MD5
18cd8a14ce73f1c7a4472c19f890735d
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SHA1
393d3f1b41bccb8c233149d294e28a99093c3436
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SHA256
07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba
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SHA512
cd3089052417671b444619eb08cc18f2cb99422f49182a10d07ac2773373a497bf2635d335485e65a60e9ff391911314fc1c84a1ac871f5066c6462b4743726b
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SSDEEP
98304:xWNB1CbqzpS91CEidw2BD2iflouVXpE4+4aRUCF9Gp:O1oM8XidBT9oI53raRO
Malware Config
Signatures
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Processes:
07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe = "0" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe -
Executes dropped EXE 3 IoCs
Processes:
csrss.exeinjector.exef801950a962ddba14caaa44bf084b55c.exepid process 4684 csrss.exe 4692 injector.exe 2480 f801950a962ddba14caaa44bf084b55c.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe upx behavioral1/memory/2480-411-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/2480-413-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/2480-414-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Processes:
07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe = "0" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.execsrss.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\"" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.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\"" 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:
07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exedescription ioc process File opened for modification C:\Windows\rss 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe File created C:\Windows\rss\csrss.exe 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.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 1432 schtasks.exe 2164 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.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" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.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" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.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" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.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" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exeinjector.execsrss.exepid process 3540 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe 3540 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe 3616 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe 3616 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe 3616 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe 3616 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe 3616 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe 3616 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe 3616 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe 3616 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe 3616 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe 3616 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4684 csrss.exe 4684 csrss.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4684 csrss.exe 4684 csrss.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.execsrss.exedescription pid process Token: SeDebugPrivilege 3540 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Token: SeImpersonatePrivilege 3540 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe Token: SeSystemEnvironmentPrivilege 4684 csrss.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.execmd.execsrss.exedescription pid process target process PID 3616 wrote to memory of 3172 3616 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe cmd.exe PID 3616 wrote to memory of 3172 3616 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe cmd.exe PID 3172 wrote to memory of 5068 3172 cmd.exe netsh.exe PID 3172 wrote to memory of 5068 3172 cmd.exe netsh.exe PID 3616 wrote to memory of 4684 3616 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe csrss.exe PID 3616 wrote to memory of 4684 3616 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe csrss.exe PID 3616 wrote to memory of 4684 3616 07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe csrss.exe PID 4684 wrote to memory of 4692 4684 csrss.exe injector.exe PID 4684 wrote to memory of 4692 4684 csrss.exe injector.exe PID 4684 wrote to memory of 2480 4684 csrss.exe f801950a962ddba14caaa44bf084b55c.exe PID 4684 wrote to memory of 2480 4684 csrss.exe f801950a962ddba14caaa44bf084b55c.exe PID 4684 wrote to memory of 2480 4684 csrss.exe f801950a962ddba14caaa44bf084b55c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe"C:\Users\Admin\AppData\Local\Temp\07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.exe"C:\Users\Admin\AppData\Local\Temp\07d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba.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
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- 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)
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵
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\f801950a962ddba14caaa44bf084b55c.exeFilesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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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
4.2MB
MD518cd8a14ce73f1c7a4472c19f890735d
SHA1393d3f1b41bccb8c233149d294e28a99093c3436
SHA25607d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba
SHA512cd3089052417671b444619eb08cc18f2cb99422f49182a10d07ac2773373a497bf2635d335485e65a60e9ff391911314fc1c84a1ac871f5066c6462b4743726b
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C:\Windows\rss\csrss.exeFilesize
4.2MB
MD518cd8a14ce73f1c7a4472c19f890735d
SHA1393d3f1b41bccb8c233149d294e28a99093c3436
SHA25607d77f3297dc7ecc70c415f553d03093faf769a59e9905cba2cbf811e4cc6bba
SHA512cd3089052417671b444619eb08cc18f2cb99422f49182a10d07ac2773373a497bf2635d335485e65a60e9ff391911314fc1c84a1ac871f5066c6462b4743726b
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memory/2480-414-0x0000000000400000-0x0000000000C25000-memory.dmpFilesize
8.1MB
-
memory/2480-413-0x0000000000400000-0x0000000000C25000-memory.dmpFilesize
8.1MB
-
memory/2480-411-0x0000000000400000-0x0000000000C25000-memory.dmpFilesize
8.1MB
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memory/2480-409-0x0000000000000000-mapping.dmp
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memory/3172-294-0x0000000000000000-mapping.dmp
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memory/3540-160-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-124-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-127-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-128-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-129-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-130-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-131-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-132-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-134-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-135-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-136-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-165-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-139-0x0000000002BC0000-0x0000000002FB2000-memory.dmpFilesize
3.9MB
-
memory/3540-138-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-140-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-141-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-142-0x0000000002FC0000-0x0000000003837000-memory.dmpFilesize
8.5MB
-
memory/3540-143-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-144-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-145-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/3540-146-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-147-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-148-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-149-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-150-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-151-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-152-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-153-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-154-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-155-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-156-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-157-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-158-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-166-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-125-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-161-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-162-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-163-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-137-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-126-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-159-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-167-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-168-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-169-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-170-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-171-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-172-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-173-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-174-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-175-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-176-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-177-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-178-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-179-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-180-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-181-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
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memory/3540-183-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
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memory/3540-182-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-185-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-184-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-246-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/3540-118-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-119-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-120-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-121-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-122-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-123-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3540-164-0x0000000077550000-0x00000000776DE000-memory.dmpFilesize
1.6MB
-
memory/3616-306-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/3616-297-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/3616-296-0x0000000002960000-0x0000000002D51000-memory.dmpFilesize
3.9MB
-
memory/4684-362-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4684-381-0x0000000002F00000-0x00000000032EA000-memory.dmpFilesize
3.9MB
-
memory/4684-382-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4684-361-0x0000000002F00000-0x00000000032EA000-memory.dmpFilesize
3.9MB
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memory/4684-299-0x0000000000000000-mapping.dmp
-
memory/4684-412-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/4692-375-0x0000000000000000-mapping.dmp
-
memory/5068-295-0x0000000000000000-mapping.dmp