Analysis
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max time kernel
144s -
max time network
148s -
platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
02-02-2023 17:02
Static task
static1
General
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Target
501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe
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Size
4.0MB
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MD5
9aa55150147d88acf2c341a37a2bda07
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SHA1
e4ab6a595f5329bf44da134fe2e0285e1c6ea346
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SHA256
501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687
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SHA512
36efdcd6badff6efb41586e6d650546f1a92c44cd1c0676206745a38ae51839706623d922bead35a89920abf15dea1bad5d9b9a66727150f769235e2202ede94
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SSDEEP
98304:Im7WTQTvr/ZyEza7Zl5dQUmp6wPih2/o2Qm:IQvLjZrzuZl5c6wPiw/Rt
Malware Config
Signatures
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Processes:
501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe = "0" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Executes dropped EXE 3 IoCs
Processes:
csrss.exeinjector.exef801950a962ddba14caaa44bf084b55c.exepid process 2276 csrss.exe 2264 injector.exe 2292 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/2292-437-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/2292-462-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/2292-464-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Processes:
501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe = "0" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Windows directory 2 IoCs
Processes:
501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exedescription ioc process File opened for modification C:\Windows\rss 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe File created C:\Windows\rss\csrss.exe 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.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:
501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exenetsh.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.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" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Key created \REGISTRY\USER\.DEFAULT\SYSTEM netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.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" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace\Session netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exeinjector.execsrss.exepid process 1940 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe 1940 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe 3396 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe 3396 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe 3396 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe 3396 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe 3396 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe 3396 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe 3396 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe 3396 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe 3396 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe 3396 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2276 csrss.exe 2276 csrss.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2276 csrss.exe 2276 csrss.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe 2264 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.execsrss.exedescription pid process Token: SeDebugPrivilege 1940 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Token: SeImpersonatePrivilege 1940 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe Token: SeSystemEnvironmentPrivilege 2276 csrss.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.execmd.execsrss.exedescription pid process target process PID 3396 wrote to memory of 4864 3396 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe cmd.exe PID 3396 wrote to memory of 4864 3396 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe cmd.exe PID 4864 wrote to memory of 2860 4864 cmd.exe netsh.exe PID 4864 wrote to memory of 2860 4864 cmd.exe netsh.exe PID 3396 wrote to memory of 2276 3396 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe csrss.exe PID 3396 wrote to memory of 2276 3396 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe csrss.exe PID 3396 wrote to memory of 2276 3396 501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe csrss.exe PID 2276 wrote to memory of 2264 2276 csrss.exe injector.exe PID 2276 wrote to memory of 2264 2276 csrss.exe injector.exe PID 2276 wrote to memory of 2292 2276 csrss.exe f801950a962ddba14caaa44bf084b55c.exe PID 2276 wrote to memory of 2292 2276 csrss.exe f801950a962ddba14caaa44bf084b55c.exe PID 2276 wrote to memory of 2292 2276 csrss.exe f801950a962ddba14caaa44bf084b55c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe"C:\Users\Admin\AppData\Local\Temp\501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.exe"C:\Users\Admin\AppData\Local\Temp\501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687.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
-
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
-
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\NtQuerySystemInformationHook.dllFilesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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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
MD59aa55150147d88acf2c341a37a2bda07
SHA1e4ab6a595f5329bf44da134fe2e0285e1c6ea346
SHA256501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687
SHA51236efdcd6badff6efb41586e6d650546f1a92c44cd1c0676206745a38ae51839706623d922bead35a89920abf15dea1bad5d9b9a66727150f769235e2202ede94
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C:\Windows\rss\csrss.exeFilesize
4.0MB
MD59aa55150147d88acf2c341a37a2bda07
SHA1e4ab6a595f5329bf44da134fe2e0285e1c6ea346
SHA256501baa36bfeea77500759af2f6f565047545224d648d9ff08df6cd9c6f145687
SHA51236efdcd6badff6efb41586e6d650546f1a92c44cd1c0676206745a38ae51839706623d922bead35a89920abf15dea1bad5d9b9a66727150f769235e2202ede94
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memory/1940-163-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-155-0x0000000002AB0000-0x0000000002EA9000-memory.dmpFilesize
4.0MB
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memory/1940-127-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-128-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-129-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-130-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-131-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-132-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-134-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-135-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-136-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-137-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-138-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-140-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-141-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-143-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-142-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-139-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-133-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-145-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-146-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-147-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-148-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-167-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-150-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-151-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-152-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-153-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-154-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-168-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-157-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-156-0x0000000002EB0000-0x0000000003727000-memory.dmpFilesize
8.5MB
-
memory/1940-158-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-159-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/1940-160-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-161-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-162-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-125-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-164-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-165-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-149-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-126-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-120-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-170-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-166-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-171-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-172-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-173-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-177-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-178-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-180-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-181-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-182-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-183-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-179-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-176-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-175-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-174-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-184-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-185-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-187-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-186-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-251-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/1940-121-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-122-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-123-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-169-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/1940-124-0x0000000077250000-0x00000000773DE000-memory.dmpFilesize
1.6MB
-
memory/2264-377-0x0000000000000000-mapping.dmp
-
memory/2276-301-0x0000000000000000-mapping.dmp
-
memory/2276-380-0x0000000003100000-0x00000000034EA000-memory.dmpFilesize
3.9MB
-
memory/2276-384-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/2276-331-0x0000000003100000-0x00000000034EA000-memory.dmpFilesize
3.9MB
-
memory/2276-364-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/2276-452-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/2292-464-0x0000000000400000-0x0000000000C25000-memory.dmpFilesize
8.1MB
-
memory/2292-411-0x0000000000000000-mapping.dmp
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memory/2292-437-0x0000000000400000-0x0000000000C25000-memory.dmpFilesize
8.1MB
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memory/2292-462-0x0000000000400000-0x0000000000C25000-memory.dmpFilesize
8.1MB
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memory/2860-298-0x0000000000000000-mapping.dmp
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memory/3396-297-0x0000000002AF0000-0x0000000002EDC000-memory.dmpFilesize
3.9MB
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memory/3396-299-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/3396-307-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/4864-296-0x0000000000000000-mapping.dmp