Analysis
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max time kernel
120s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
02-05-2024 16:32
Static task
static1
Behavioral task
behavioral1
Sample
a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe
Resource
win10v2004-20240226-en
General
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Target
a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe
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Size
4.2MB
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MD5
db183deb7ea6ec3b80cdb80fb07a56e8
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SHA1
d5b63a831c9c69bea26ecd410052be42b2a6c15c
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SHA256
a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923
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SHA512
1a689f3e2d5fe3b34819818e32f028e5d7fa50d9c6e7cff4753cfdbda4461322b0e927754b2a4087cc09f17bb0e673652c8dba10d1108a5497a7a47ef89f797a
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SSDEEP
98304:5aVsjom70ndrBFgOmll6jSga2nxCwdk+mvEBS8Kssc:5+uom74drMJBirk+iEw8x
Malware Config
Signatures
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Glupteba payload 13 IoCs
Processes:
resource yara_rule behavioral1/memory/2964-2-0x00000000050B0000-0x000000000599B000-memory.dmp family_glupteba behavioral1/memory/2964-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2964-54-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/2964-57-0x00000000050B0000-0x000000000599B000-memory.dmp family_glupteba behavioral1/memory/2964-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2964-59-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4368-62-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4368-112-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4368-143-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3664-150-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3664-225-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3664-238-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/3664-245-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1596 netsh.exe -
Executes dropped EXE 1 IoCs
Processes:
csrss.exepid process 3664 csrss.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4028-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1432-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4028-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1432-246-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.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 System32 directory 5 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe -
Drops file in Windows directory 2 IoCs
Processes:
a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exedescription ioc process File opened for modification C:\Windows\rss a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe File created C:\Windows\rss\csrss.exe a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 1776 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 4752 powershell.exe 2832 powershell.exe 1720 powershell.exe 1776 powershell.exe 3916 powershell.exe 4968 powershell.exe 1952 powershell.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 2568 schtasks.exe 748 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe -
Suspicious behavior: EnumeratesProcesses 30 IoCs
Processes:
powershell.exea5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exepowershell.exea5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 1720 powershell.exe 1720 powershell.exe 1720 powershell.exe 2964 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe 2964 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe 1776 powershell.exe 1776 powershell.exe 1776 powershell.exe 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe 3916 powershell.exe 3916 powershell.exe 3916 powershell.exe 4968 powershell.exe 4968 powershell.exe 4968 powershell.exe 1952 powershell.exe 1952 powershell.exe 1952 powershell.exe 4752 powershell.exe 4752 powershell.exe 4752 powershell.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
Processes:
powershell.exea5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 1720 powershell.exe Token: SeDebugPrivilege 2964 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Token: SeImpersonatePrivilege 2964 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe Token: SeDebugPrivilege 1776 powershell.exe Token: SeDebugPrivilege 3916 powershell.exe Token: SeDebugPrivilege 4968 powershell.exe Token: SeDebugPrivilege 1952 powershell.exe Token: SeDebugPrivilege 4752 powershell.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exea5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.execmd.execsrss.exedescription pid process target process PID 2964 wrote to memory of 1720 2964 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe powershell.exe PID 2964 wrote to memory of 1720 2964 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe powershell.exe PID 2964 wrote to memory of 1720 2964 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe powershell.exe PID 4368 wrote to memory of 1776 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe powershell.exe PID 4368 wrote to memory of 1776 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe powershell.exe PID 4368 wrote to memory of 1776 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe powershell.exe PID 4368 wrote to memory of 644 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe cmd.exe PID 4368 wrote to memory of 644 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe cmd.exe PID 644 wrote to memory of 1596 644 cmd.exe netsh.exe PID 644 wrote to memory of 1596 644 cmd.exe netsh.exe PID 4368 wrote to memory of 3916 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe powershell.exe PID 4368 wrote to memory of 3916 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe powershell.exe PID 4368 wrote to memory of 3916 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe powershell.exe PID 4368 wrote to memory of 4968 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe powershell.exe PID 4368 wrote to memory of 4968 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe powershell.exe PID 4368 wrote to memory of 4968 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe powershell.exe PID 4368 wrote to memory of 3664 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe csrss.exe PID 4368 wrote to memory of 3664 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe csrss.exe PID 4368 wrote to memory of 3664 4368 a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe csrss.exe PID 3664 wrote to memory of 1952 3664 csrss.exe powershell.exe PID 3664 wrote to memory of 1952 3664 csrss.exe powershell.exe PID 3664 wrote to memory of 1952 3664 csrss.exe powershell.exe PID 3664 wrote to memory of 4752 3664 csrss.exe powershell.exe PID 3664 wrote to memory of 4752 3664 csrss.exe powershell.exe PID 3664 wrote to memory of 4752 3664 csrss.exe powershell.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe"C:\Users\Admin\AppData\Local\Temp\a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe"C:\Users\Admin\AppData\Local\Temp\a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Command and Scripting Interpreter: PowerShell
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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⤵
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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\windefender.exe"C:\Windows\windefender.exe"4⤵
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C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
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C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4092 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:81⤵
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ceel52ya.00p.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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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\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.logFilesize
2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD550ee639c439ae3163cd5fc425ad41320
SHA1241488a8e8016d7c7d37cfd78daa33f3b4a8a5e1
SHA256e5faed3168e22a43540939b2e589939429b927413580ec92123e5d9e47e2891b
SHA512dfa4b079930f1024f79e8c70b9db1ac2c508ef4b14bab60074e44651d5bff958b5923692630ab08237de29943b1796d3116a0e138641fea03ddcc29ca2827fcd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD562440f4e2ca1d164afedfb6a7f501ef8
SHA14ac9dc4b45ea19932003dd8268ae4456eaa03eb5
SHA25696034d378bb602b12c690f4c475daa13b9ab8ce70837fdfd13c768754a55fc1a
SHA512bd422d09e843ebde31f2b3eb262e3f9f94f95d25df844c0b94a105ad8146f1da1bc3b13f4c97db745a86baca908b395e970ab205095a9475b0a916276153c65e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD51bd3a62cc926409f0d31fbbc2f3deb75
SHA14217d810efa88078532c887930af95fbefa75080
SHA25689cddfef043876535a7a7c47fbbddca02497e84c326d2c733b1c39550668a00c
SHA5129db10e9c1649ff255ed6581fcbd03aab10718f40c8a6cdb8669d5dc40acf94cc16bd29f837ee9ba0bdcf485f91a0dd2c07c9cf548e59501975d6eb55b6b1b702
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD54fd5b33fe35599a27d9045635320a718
SHA1c697f2b6a6dc0ebd47137193b4ceb46f6a716264
SHA25640e1737eb9b618aebf67236390a9c080722ea39ce26b0deb4c087e1561051599
SHA512b67467cd0a07663ea0f3bc8f933645593acfee5850b31321423477483b82dd750c94480e5c43ff3f22fa335a80e1b71d1eefd18de11574c59b60ff567b7ea3b2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD51fbae8e66af390847290597a03f1448b
SHA1d21e3c89408effcdd2f58f76d720c43afee717b4
SHA25650b8c2768478b5330109d6f62f42bafd97e0ca0591197dccbff06497fb14ffb8
SHA51232a88fe5248a253144553e88828fdf83325845fed0e8da55501f92df631f995679cfd99da86c221befbc78a911919dd4e0163dc4edb659133d076966d69e2651
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C:\Windows\rss\csrss.exeFilesize
4.2MB
MD5db183deb7ea6ec3b80cdb80fb07a56e8
SHA1d5b63a831c9c69bea26ecd410052be42b2a6c15c
SHA256a5367bd6c7899a34944cf3db8844107fa932e742217a92ebef8ba4b0d8f52923
SHA5121a689f3e2d5fe3b34819818e32f028e5d7fa50d9c6e7cff4753cfdbda4461322b0e927754b2a4087cc09f17bb0e673652c8dba10d1108a5497a7a47ef89f797a
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C:\Windows\windefender.exeFilesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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memory/1432-246-0x0000000000400000-0x00000000008DF000-memory.dmpFilesize
4.9MB
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memory/1432-241-0x0000000000400000-0x00000000008DF000-memory.dmpFilesize
4.9MB
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memory/1720-30-0x0000000070290000-0x00000000702DC000-memory.dmpFilesize
304KB
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memory/1720-45-0x0000000007D60000-0x0000000007DF6000-memory.dmpFilesize
600KB
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memory/1720-23-0x0000000006630000-0x000000000667C000-memory.dmpFilesize
304KB
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memory/1720-24-0x0000000006B50000-0x0000000006B94000-memory.dmpFilesize
272KB
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memory/1720-25-0x00000000743F0000-0x0000000074BA0000-memory.dmpFilesize
7.7MB
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memory/1720-26-0x0000000007920000-0x0000000007996000-memory.dmpFilesize
472KB
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memory/1720-28-0x00000000079C0000-0x00000000079DA000-memory.dmpFilesize
104KB
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memory/1720-27-0x0000000008020000-0x000000000869A000-memory.dmpFilesize
6.5MB
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memory/1720-21-0x0000000005FB0000-0x0000000006304000-memory.dmpFilesize
3.3MB
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memory/1720-32-0x0000000070680000-0x00000000709D4000-memory.dmpFilesize
3.3MB
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memory/1720-42-0x0000000007B40000-0x0000000007B5E000-memory.dmpFilesize
120KB
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memory/1720-31-0x00000000743F0000-0x0000000074BA0000-memory.dmpFilesize
7.7MB
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memory/1720-29-0x0000000007B60000-0x0000000007B92000-memory.dmpFilesize
200KB
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memory/1720-43-0x0000000007BA0000-0x0000000007C43000-memory.dmpFilesize
652KB
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memory/1720-44-0x0000000007C90000-0x0000000007C9A000-memory.dmpFilesize
40KB
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memory/1720-22-0x0000000006600000-0x000000000661E000-memory.dmpFilesize
120KB
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memory/1720-46-0x0000000007CC0000-0x0000000007CD1000-memory.dmpFilesize
68KB
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memory/1720-47-0x0000000007D00000-0x0000000007D0E000-memory.dmpFilesize
56KB
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memory/1720-48-0x0000000007D10000-0x0000000007D24000-memory.dmpFilesize
80KB
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memory/1720-49-0x0000000007E00000-0x0000000007E1A000-memory.dmpFilesize
104KB
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memory/1720-50-0x0000000007D40000-0x0000000007D48000-memory.dmpFilesize
32KB
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memory/1720-53-0x00000000743F0000-0x0000000074BA0000-memory.dmpFilesize
7.7MB
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memory/1720-9-0x0000000005D30000-0x0000000005D52000-memory.dmpFilesize
136KB
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memory/1720-11-0x0000000005F40000-0x0000000005FA6000-memory.dmpFilesize
408KB
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memory/1720-10-0x0000000005E50000-0x0000000005EB6000-memory.dmpFilesize
408KB
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memory/1720-8-0x00000000743F0000-0x0000000074BA0000-memory.dmpFilesize
7.7MB
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memory/1720-6-0x0000000005700000-0x0000000005D28000-memory.dmpFilesize
6.2MB
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memory/1720-7-0x00000000743F0000-0x0000000074BA0000-memory.dmpFilesize
7.7MB
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memory/1720-5-0x0000000003020000-0x0000000003056000-memory.dmpFilesize
216KB
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memory/1720-4-0x00000000743FE000-0x00000000743FF000-memory.dmpFilesize
4KB
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memory/1776-73-0x0000000070290000-0x00000000702DC000-memory.dmpFilesize
304KB
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memory/1776-85-0x0000000007580000-0x0000000007591000-memory.dmpFilesize
68KB
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memory/1776-86-0x00000000075D0000-0x00000000075E4000-memory.dmpFilesize
80KB
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memory/1776-74-0x0000000070410000-0x0000000070764000-memory.dmpFilesize
3.3MB
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memory/1776-84-0x0000000007290000-0x0000000007333000-memory.dmpFilesize
652KB
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memory/1776-72-0x0000000005C70000-0x0000000005FC4000-memory.dmpFilesize
3.3MB
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memory/1952-156-0x0000000005B70000-0x0000000005EC4000-memory.dmpFilesize
3.3MB
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memory/1952-163-0x0000000070A30000-0x0000000070D84000-memory.dmpFilesize
3.3MB
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memory/1952-162-0x0000000070290000-0x00000000702DC000-memory.dmpFilesize
304KB
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memory/2832-213-0x0000000070900000-0x0000000070C54000-memory.dmpFilesize
3.3MB
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memory/2832-212-0x00000000701B0000-0x00000000701FC000-memory.dmpFilesize
304KB
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memory/2832-210-0x0000000005480000-0x00000000057D4000-memory.dmpFilesize
3.3MB
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memory/2964-58-0x0000000000400000-0x0000000000D1C000-memory.dmpFilesize
9.1MB
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memory/2964-54-0x0000000000400000-0x0000000002EE9000-memory.dmpFilesize
42.9MB
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memory/2964-57-0x00000000050B0000-0x000000000599B000-memory.dmpFilesize
8.9MB
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memory/2964-56-0x0000000003510000-0x000000000390C000-memory.dmpFilesize
4.0MB
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memory/2964-2-0x00000000050B0000-0x000000000599B000-memory.dmpFilesize
8.9MB
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memory/2964-59-0x0000000000400000-0x0000000002EE9000-memory.dmpFilesize
42.9MB
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memory/2964-1-0x0000000003510000-0x000000000390C000-memory.dmpFilesize
4.0MB
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memory/2964-3-0x0000000000400000-0x0000000000D1C000-memory.dmpFilesize
9.1MB
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memory/3664-238-0x0000000000400000-0x0000000002EE9000-memory.dmpFilesize
42.9MB
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memory/3664-245-0x0000000000400000-0x0000000002EE9000-memory.dmpFilesize
42.9MB
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memory/3664-150-0x0000000000400000-0x0000000002EE9000-memory.dmpFilesize
42.9MB
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memory/3664-225-0x0000000000400000-0x0000000002EE9000-memory.dmpFilesize
42.9MB
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memory/3916-102-0x0000000070410000-0x0000000070764000-memory.dmpFilesize
3.3MB
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memory/3916-101-0x0000000070290000-0x00000000702DC000-memory.dmpFilesize
304KB
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memory/4028-242-0x0000000000400000-0x00000000008DF000-memory.dmpFilesize
4.9MB
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memory/4028-239-0x0000000000400000-0x00000000008DF000-memory.dmpFilesize
4.9MB
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memory/4368-62-0x0000000000400000-0x0000000002EE9000-memory.dmpFilesize
42.9MB
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memory/4368-112-0x0000000000400000-0x0000000002EE9000-memory.dmpFilesize
42.9MB
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memory/4368-143-0x0000000000400000-0x0000000002EE9000-memory.dmpFilesize
42.9MB
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memory/4752-183-0x0000000005840000-0x0000000005B94000-memory.dmpFilesize
3.3MB
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memory/4752-199-0x0000000005CC0000-0x0000000005CD4000-memory.dmpFilesize
80KB
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memory/4752-198-0x0000000007460000-0x0000000007471000-memory.dmpFilesize
68KB
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memory/4752-197-0x0000000007180000-0x0000000007223000-memory.dmpFilesize
652KB
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memory/4752-187-0x0000000070940000-0x0000000070C94000-memory.dmpFilesize
3.3MB
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memory/4752-186-0x00000000701B0000-0x00000000701FC000-memory.dmpFilesize
304KB
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memory/4752-185-0x0000000006110000-0x000000000615C000-memory.dmpFilesize
304KB
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memory/4968-119-0x0000000006110000-0x0000000006464000-memory.dmpFilesize
3.3MB
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memory/4968-125-0x0000000070290000-0x00000000702DC000-memory.dmpFilesize
304KB
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memory/4968-126-0x0000000070A10000-0x0000000070D64000-memory.dmpFilesize
3.3MB