Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
23-09-2022 22:07
Static task
static1
General
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Target
430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe
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Size
4.0MB
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MD5
cd6366c25a996a5db15336ae630b6e39
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SHA1
b9693568c3eb4955bb0f451fb9cf9cb569228f38
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SHA256
430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520
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SHA512
f1b98adca4b3689d2c52982a181d0779d42143125ae0b13841e90ae3ccc0c8b9cb816f999322c8624bc1c8936a4f1dba98f4c6ecdafecc17b17f563bbb01b3a2
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SSDEEP
98304:c8mevNJ40TCWm5dZ4E62XvM0iAHkrCJ6nq6jdx:H40TCBmE62XE0lHk+Sl7
Malware Config
Signatures
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Processes:
430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe = "0" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 3076 csrss.exe 740 injector.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Processes:
430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe = "0" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.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\"" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.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:
430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exedescription ioc process File opened for modification C:\Windows\rss 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe File created C:\Windows\rss\csrss.exe 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Modifies data under HKEY_USERS 64 IoCs
Processes:
430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.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" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.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" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.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" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.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" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.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" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exeinjector.execsrss.exepid process 2344 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe 2344 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe 4396 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe 4396 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe 4396 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe 4396 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe 4396 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe 4396 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe 4396 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe 4396 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe 4396 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe 4396 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 3076 csrss.exe 3076 csrss.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 3076 csrss.exe 3076 csrss.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe 740 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.execsrss.exedescription pid process Token: SeDebugPrivilege 2344 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Token: SeImpersonatePrivilege 2344 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe Token: SeSystemEnvironmentPrivilege 3076 csrss.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.execmd.execsrss.exedescription pid process target process PID 4396 wrote to memory of 1668 4396 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe cmd.exe PID 4396 wrote to memory of 1668 4396 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe cmd.exe PID 1668 wrote to memory of 3132 1668 cmd.exe netsh.exe PID 1668 wrote to memory of 3132 1668 cmd.exe netsh.exe PID 4396 wrote to memory of 3076 4396 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe csrss.exe PID 4396 wrote to memory of 3076 4396 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe csrss.exe PID 4396 wrote to memory of 3076 4396 430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe csrss.exe PID 3076 wrote to memory of 740 3076 csrss.exe injector.exe PID 3076 wrote to memory of 740 3076 csrss.exe injector.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe"C:\Users\Admin\AppData\Local\Temp\430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.exe"C:\Users\Admin\AppData\Local\Temp\430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520.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)
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
4.0MB
MD5cd6366c25a996a5db15336ae630b6e39
SHA1b9693568c3eb4955bb0f451fb9cf9cb569228f38
SHA256430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520
SHA512f1b98adca4b3689d2c52982a181d0779d42143125ae0b13841e90ae3ccc0c8b9cb816f999322c8624bc1c8936a4f1dba98f4c6ecdafecc17b17f563bbb01b3a2
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C:\Windows\rss\csrss.exeFilesize
4.0MB
MD5cd6366c25a996a5db15336ae630b6e39
SHA1b9693568c3eb4955bb0f451fb9cf9cb569228f38
SHA256430b6862fd9f65db2cf2891fbe8e1d31f86939f4598efed1f89c7f1991fa3520
SHA512f1b98adca4b3689d2c52982a181d0779d42143125ae0b13841e90ae3ccc0c8b9cb816f999322c8624bc1c8936a4f1dba98f4c6ecdafecc17b17f563bbb01b3a2
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memory/740-370-0x0000000000000000-mapping.dmp
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memory/1668-295-0x0000000000000000-mapping.dmp
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memory/2344-156-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
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memory/2344-180-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
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memory/2344-123-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-124-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-125-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-126-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-127-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-128-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-129-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-131-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-132-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-130-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-134-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-135-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-136-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-137-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-138-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-139-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-140-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-141-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-142-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-143-0x0000000002AE0000-0x0000000002ED4000-memory.dmpFilesize
4.0MB
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memory/2344-144-0x0000000002EE0000-0x0000000003756000-memory.dmpFilesize
8.5MB
-
memory/2344-145-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-146-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-162-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-148-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-149-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-150-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-151-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-152-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-153-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-154-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-155-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-121-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-157-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-159-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-160-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-158-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-118-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-147-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/2344-163-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-164-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-165-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-166-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-167-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-168-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-169-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-170-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-171-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-173-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-172-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-174-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-176-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-175-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-177-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-179-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-178-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-122-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-181-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-182-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-183-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-184-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-185-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-243-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/2344-161-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-119-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/2344-120-0x00000000770E0000-0x000000007726E000-memory.dmpFilesize
1.6MB
-
memory/3076-362-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/3076-361-0x0000000003000000-0x00000000033EA000-memory.dmpFilesize
3.9MB
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memory/3076-299-0x0000000000000000-mapping.dmp
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memory/3076-381-0x0000000003000000-0x00000000033EA000-memory.dmpFilesize
3.9MB
-
memory/3076-382-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/3132-296-0x0000000000000000-mapping.dmp
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memory/4396-256-0x00000000029B0000-0x0000000002D9A000-memory.dmpFilesize
3.9MB
-
memory/4396-297-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4396-303-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB