Analysis
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max time kernel
150s -
max time network
144s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
02-02-2023 17:30
Static task
static1
General
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Target
7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe
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Size
4.2MB
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MD5
301bc1aff92308244341e839e223a1a7
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SHA1
ea3a6013c0e3cd68a312c092dde9d3965b9d54de
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SHA256
7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652
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SHA512
27e7989a7c24cbe8c3c5645d936fbffe7c055fafce35d470d0ced8812767c75f838be3a683f3c0f589578e67a894022a972bedeba108e07d748194d13dca3f26
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SSDEEP
98304:RC/oay0UtjjvmEYbQqX7o9EAxis5NYNYAOkLXq8AHA6OGY1L5mLVKqb7N:43y0CjTmEYbQqXoZUYlZcYHAn5cV5N
Malware Config
Signatures
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Processes:
7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe = "0" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Executes dropped EXE 3 IoCs
Processes:
csrss.exeinjector.exef801950a962ddba14caaa44bf084b55c.exepid process 4948 csrss.exe 1640 injector.exe 2364 f801950a962ddba14caaa44bf084b55c.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe upx C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe upx behavioral1/memory/2364-418-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/2364-457-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Processes:
7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe = "0" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.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\"" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.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:
7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exedescription ioc process File created C:\Windows\rss\csrss.exe 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe File opened for modification C:\Windows\rss 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.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:
7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exenetsh.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.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" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.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" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.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" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exeinjector.execsrss.exepid process 2476 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe 2476 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe 4412 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe 4412 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe 4412 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe 4412 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe 4412 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe 4412 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe 4412 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe 4412 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe 4412 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe 4412 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 4948 csrss.exe 4948 csrss.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 4948 csrss.exe 4948 csrss.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.execsrss.exedescription pid process Token: SeDebugPrivilege 2476 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Token: SeImpersonatePrivilege 2476 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe Token: SeSystemEnvironmentPrivilege 4948 csrss.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.execmd.execsrss.exedescription pid process target process PID 4412 wrote to memory of 4836 4412 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe cmd.exe PID 4412 wrote to memory of 4836 4412 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe cmd.exe PID 4836 wrote to memory of 4728 4836 cmd.exe netsh.exe PID 4836 wrote to memory of 4728 4836 cmd.exe netsh.exe PID 4412 wrote to memory of 4948 4412 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe csrss.exe PID 4412 wrote to memory of 4948 4412 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe csrss.exe PID 4412 wrote to memory of 4948 4412 7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe csrss.exe PID 4948 wrote to memory of 1640 4948 csrss.exe injector.exe PID 4948 wrote to memory of 1640 4948 csrss.exe injector.exe PID 4948 wrote to memory of 2364 4948 csrss.exe f801950a962ddba14caaa44bf084b55c.exe PID 4948 wrote to memory of 2364 4948 csrss.exe f801950a962ddba14caaa44bf084b55c.exe PID 4948 wrote to memory of 2364 4948 csrss.exe f801950a962ddba14caaa44bf084b55c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe"C:\Users\Admin\AppData\Local\Temp\7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.exe"C:\Users\Admin\AppData\Local\Temp\7695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652.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
- 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\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
MD5301bc1aff92308244341e839e223a1a7
SHA1ea3a6013c0e3cd68a312c092dde9d3965b9d54de
SHA2567695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652
SHA51227e7989a7c24cbe8c3c5645d936fbffe7c055fafce35d470d0ced8812767c75f838be3a683f3c0f589578e67a894022a972bedeba108e07d748194d13dca3f26
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C:\Windows\rss\csrss.exeFilesize
4.2MB
MD5301bc1aff92308244341e839e223a1a7
SHA1ea3a6013c0e3cd68a312c092dde9d3965b9d54de
SHA2567695b25fe9524eb35f9de4485b480b0985175c01b86f96c1629905b9aa6f8652
SHA51227e7989a7c24cbe8c3c5645d936fbffe7c055fafce35d470d0ced8812767c75f838be3a683f3c0f589578e67a894022a972bedeba108e07d748194d13dca3f26
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memory/1640-372-0x0000000000000000-mapping.dmp
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memory/2364-457-0x0000000000400000-0x0000000000C25000-memory.dmpFilesize
8.1MB
-
memory/2364-418-0x0000000000400000-0x0000000000C25000-memory.dmpFilesize
8.1MB
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memory/2364-406-0x0000000000000000-mapping.dmp
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memory/2476-158-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-156-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-125-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-126-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-127-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-128-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-129-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-130-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-131-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-132-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-133-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-162-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-135-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-136-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-137-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-138-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-140-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-141-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
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memory/2476-142-0x0000000002C00000-0x0000000002FF7000-memory.dmpFilesize
4.0MB
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memory/2476-144-0x0000000003000000-0x0000000003877000-memory.dmpFilesize
8.5MB
-
memory/2476-143-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-145-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-146-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-148-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/2476-147-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-149-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-150-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-152-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-151-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-154-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-155-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-153-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-157-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-164-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-123-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-159-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-160-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-161-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-134-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-115-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-124-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-165-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-166-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-167-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-168-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-170-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-171-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-169-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-172-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-173-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-174-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-175-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-176-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-177-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-178-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-179-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-180-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-181-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-182-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-239-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/2476-116-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-117-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-118-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-119-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-120-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-121-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-122-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/2476-163-0x00000000777D0000-0x000000007795E000-memory.dmpFilesize
1.6MB
-
memory/4412-300-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4412-294-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4412-262-0x00000000029F0000-0x0000000002DE0000-memory.dmpFilesize
3.9MB
-
memory/4728-293-0x0000000000000000-mapping.dmp
-
memory/4836-292-0x0000000000000000-mapping.dmp
-
memory/4948-348-0x0000000003000000-0x00000000033EA000-memory.dmpFilesize
3.9MB
-
memory/4948-296-0x0000000000000000-mapping.dmp
-
memory/4948-378-0x0000000003000000-0x00000000033EA000-memory.dmpFilesize
3.9MB
-
memory/4948-379-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4948-444-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4948-349-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB