Analysis
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max time kernel
171s -
max time network
181s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19-04-2024 00:25
Static task
static1
Behavioral task
behavioral1
Sample
3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe
Resource
win10v2004-20240412-en
General
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Target
3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe
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Size
4.2MB
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MD5
71c0045492d2ce21571b8e2125bc1d99
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SHA1
1a625e15b1368cc82216f03d14d277c5e0eb6f4f
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SHA256
3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03
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SHA512
57174f96b7108c8a89c7ff0c50cfc904cba861698cd5a5409cc4ee467f0af8764225ff2cb2130424c5c5447fc33f65305cfe929536bcb0bd36f7ec4d46baa278
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SSDEEP
98304:ObvDuo/zvoC5HERRwr8YNEXJ0TS4JBXxT3BRfe7gLCxccCwfp3PGPzDBAeGjYA3:OnBoCproYNEXJ0O+Xpe7jrRPGnBARjf3
Malware Config
Signatures
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Glupteba payload 17 IoCs
Processes:
resource yara_rule behavioral1/memory/4908-2-0x00000000050D0000-0x00000000059BB000-memory.dmp family_glupteba behavioral1/memory/4908-3-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4908-7-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4908-49-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/4908-53-0x00000000050D0000-0x00000000059BB000-memory.dmp family_glupteba behavioral1/memory/4908-58-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/624-61-0x0000000005070000-0x000000000595B000-memory.dmp family_glupteba behavioral1/memory/624-62-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/624-77-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/624-97-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/624-99-0x0000000003390000-0x000000000378F000-memory.dmp family_glupteba behavioral1/memory/624-111-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/624-125-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/624-161-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3384-194-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3384-245-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral1/memory/3384-265-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 228 netsh.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 3384 csrss.exe 1716 injector.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.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 7 IoCs
Processes:
powershell.exepowershell.exepowershell.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 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 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:
3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe -
Drops file in Windows directory 2 IoCs
Processes:
3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exedescription ioc process File opened for modification C:\Windows\rss 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe File created C:\Windows\rss\csrss.exe 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 4544 4908 WerFault.exe 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe 2604 624 WerFault.exe 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exe3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe -
Suspicious behavior: EnumeratesProcesses 39 IoCs
Processes:
powershell.exe3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exepowershell.exe3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 3452 powershell.exe 3452 powershell.exe 3452 powershell.exe 4908 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe 4908 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe 1068 powershell.exe 1068 powershell.exe 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe 4896 powershell.exe 4896 powershell.exe 3380 powershell.exe 3380 powershell.exe 2932 powershell.exe 2932 powershell.exe 3568 powershell.exe 3568 powershell.exe 3324 powershell.exe 3324 powershell.exe 1716 injector.exe 1716 injector.exe 1716 injector.exe 1716 injector.exe 1716 injector.exe 1716 injector.exe 1716 injector.exe 1716 injector.exe 3384 csrss.exe 3384 csrss.exe 1716 injector.exe 1716 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
Processes:
powershell.exe3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exedescription pid process Token: SeDebugPrivilege 3452 powershell.exe Token: SeDebugPrivilege 4908 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Token: SeImpersonatePrivilege 4908 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe Token: SeDebugPrivilege 1068 powershell.exe Token: SeDebugPrivilege 4896 powershell.exe Token: SeDebugPrivilege 3380 powershell.exe Token: SeDebugPrivilege 2932 powershell.exe Token: SeDebugPrivilege 3568 powershell.exe Token: SeDebugPrivilege 3324 powershell.exe Token: SeSystemEnvironmentPrivilege 3384 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.execmd.execsrss.exedescription pid process target process PID 4908 wrote to memory of 3452 4908 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe powershell.exe PID 4908 wrote to memory of 3452 4908 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe powershell.exe PID 4908 wrote to memory of 3452 4908 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe powershell.exe PID 624 wrote to memory of 1068 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe powershell.exe PID 624 wrote to memory of 1068 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe powershell.exe PID 624 wrote to memory of 1068 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe powershell.exe PID 624 wrote to memory of 1996 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe cmd.exe PID 624 wrote to memory of 1996 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe cmd.exe PID 1996 wrote to memory of 228 1996 cmd.exe netsh.exe PID 1996 wrote to memory of 228 1996 cmd.exe netsh.exe PID 624 wrote to memory of 4896 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe powershell.exe PID 624 wrote to memory of 4896 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe powershell.exe PID 624 wrote to memory of 4896 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe powershell.exe PID 624 wrote to memory of 3380 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe powershell.exe PID 624 wrote to memory of 3380 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe powershell.exe PID 624 wrote to memory of 3380 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe powershell.exe PID 624 wrote to memory of 3384 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe csrss.exe PID 624 wrote to memory of 3384 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe csrss.exe PID 624 wrote to memory of 3384 624 3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe csrss.exe PID 3384 wrote to memory of 2932 3384 csrss.exe powershell.exe PID 3384 wrote to memory of 2932 3384 csrss.exe powershell.exe PID 3384 wrote to memory of 2932 3384 csrss.exe powershell.exe PID 3384 wrote to memory of 3568 3384 csrss.exe powershell.exe PID 3384 wrote to memory of 3568 3384 csrss.exe powershell.exe PID 3384 wrote to memory of 3568 3384 csrss.exe powershell.exe PID 3384 wrote to memory of 3324 3384 csrss.exe powershell.exe PID 3384 wrote to memory of 3324 3384 csrss.exe powershell.exe PID 3384 wrote to memory of 3324 3384 csrss.exe powershell.exe PID 3384 wrote to memory of 1716 3384 csrss.exe injector.exe PID 3384 wrote to memory of 1716 3384 csrss.exe injector.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\3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe"C:\Users\Admin\AppData\Local\Temp\3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4908 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3452 -
C:\Users\Admin\AppData\Local\Temp\3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.exe"C:\Users\Admin\AppData\Local\Temp\3ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03.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
PID:624 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1068 -
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
PID:1996 -
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
PID:228 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4896 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3380 -
C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3384 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2932 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4544 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2952
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3568 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3324 -
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1716 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 624 -s 4403⤵
- Program crash
PID:2604 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 8882⤵
- Program crash
PID:4544
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4908 -ip 49081⤵PID:3428
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 624 -ip 6241⤵PID:1428
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ma3vsenv.gga.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
MD5dacac320e771e479770942d0f9151aae
SHA14566e494d3fe2a5e6f490139754c1329ab6f6e79
SHA25674796da7c63944f0bc4f6ce8a61018b69f3cbe4071fc0c0feb502511af0aa347
SHA5125ce15a1208c2441fa4747ccd47e2774ca9b9f77294be9a54a2eada8fdeb3dae550f9f569ad4619c7ce80393be06878739b350be924b748a15013ef174f677775
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD54e514618c11f2cdd5e957fd1bcdde0ab
SHA13a660ec2f010761e2138920b902ff562e6ce6bda
SHA2565c43a7608b99f0fab0e0e162b58906143277a1fd856b16f39bbf5cc76cc953c2
SHA51284d1dcc57f4047cb3bfcd4c2bc63b92c8d9dbc00d1cca5437f03c5f0fb166e5b45068c8a903c2c2a4fca836b65f596c87199a97673d00d8a438f74d1fc29c84f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD52442d1c6870867cc070539b9e065c7fc
SHA13b123c7e293f769d3f0b4fe5b1c27992c6b6b437
SHA2569806a8e542b94c155130f771f43dc00cfbc045876efa355da7e02e2f94bfae9f
SHA5120651b9fcbf0c0d0855a3c605c7600e5cca0bdee7bfbee216de0309b8fbc0667e1725df2a77c24da7bbbceccdce2330f0c0a9af776c01e5e6f5a69c18f37463f3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD580cc71998f7387db821a7ca33666e050
SHA13a58bd50814ccb49a31177bf2a794b8e16b72dd3
SHA256b28bfc5336aa50935596eaca0c384db1c7164cee2e16abc3d3bd95913b77828f
SHA5126a22ef6a6dafbd918b3686464ba907d08ee6c980e19ecd0a1ec81ea13f0464cca1653c85dbe316ac5c8d69b65bc1b9a2d42ea9ceeffda056a7168fdce721da93
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-InteractiveFilesize
19KB
MD5565cf79bf09f381404ab4257f4cfa07d
SHA12b4d704eb5babdb8a499524481b57ac67a71424c
SHA2564660eafbcda4de52c3475366526eeced6f02e6dd72bd7702c3341243d9af5546
SHA512cc68c67563eba1747f5983b9af471891b5fac01ee99ad3b35adb1f6e9930fb645bc2e804a720d7a101ccfad67e8510f8e2290d52ce760b23cc7e24b14591d4d6
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C:\Windows\rss\csrss.exeFilesize
4.2MB
MD571c0045492d2ce21571b8e2125bc1d99
SHA11a625e15b1368cc82216f03d14d277c5e0eb6f4f
SHA2563ae4f6affcf6b16ad2304d0af82d814dc1028ce81eeeff561127836f04fa6a03
SHA51257174f96b7108c8a89c7ff0c50cfc904cba861698cd5a5409cc4ee467f0af8764225ff2cb2130424c5c5447fc33f65305cfe929536bcb0bd36f7ec4d46baa278
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memory/624-111-0x0000000000400000-0x0000000003009000-memory.dmpFilesize
44.0MB
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memory/624-61-0x0000000005070000-0x000000000595B000-memory.dmpFilesize
8.9MB
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memory/624-161-0x0000000000400000-0x0000000003009000-memory.dmpFilesize
44.0MB
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memory/624-62-0x0000000000400000-0x0000000003009000-memory.dmpFilesize
44.0MB
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memory/624-77-0x0000000000400000-0x0000000003009000-memory.dmpFilesize
44.0MB
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memory/624-60-0x0000000003390000-0x000000000378F000-memory.dmpFilesize
4.0MB
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memory/624-97-0x0000000000400000-0x0000000003009000-memory.dmpFilesize
44.0MB
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memory/624-99-0x0000000003390000-0x000000000378F000-memory.dmpFilesize
4.0MB
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memory/624-125-0x0000000000400000-0x0000000003009000-memory.dmpFilesize
44.0MB
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memory/1068-78-0x00000000052E0000-0x00000000052F0000-memory.dmpFilesize
64KB
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memory/1068-80-0x000000007F9E0000-0x000000007F9F0000-memory.dmpFilesize
64KB
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memory/1068-63-0x00000000746C0000-0x0000000074E70000-memory.dmpFilesize
7.7MB
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memory/1068-64-0x00000000052E0000-0x00000000052F0000-memory.dmpFilesize
64KB
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memory/1068-65-0x00000000052E0000-0x00000000052F0000-memory.dmpFilesize
64KB
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memory/1068-96-0x00000000746C0000-0x0000000074E70000-memory.dmpFilesize
7.7MB
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memory/1068-93-0x0000000007AC0000-0x0000000007AD4000-memory.dmpFilesize
80KB
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memory/1068-92-0x0000000007A50000-0x0000000007A61000-memory.dmpFilesize
68KB
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memory/1068-91-0x0000000007720000-0x00000000077C3000-memory.dmpFilesize
652KB
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memory/1068-79-0x00000000705C0000-0x000000007060C000-memory.dmpFilesize
304KB
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memory/1068-81-0x0000000070760000-0x0000000070AB4000-memory.dmpFilesize
3.3MB
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memory/1068-75-0x0000000006050000-0x00000000063A4000-memory.dmpFilesize
3.3MB
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memory/1068-76-0x0000000006540000-0x000000000658C000-memory.dmpFilesize
304KB
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memory/3380-140-0x0000000005A90000-0x0000000005DE4000-memory.dmpFilesize
3.3MB
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memory/3380-129-0x0000000004C40000-0x0000000004C50000-memory.dmpFilesize
64KB
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memory/3380-130-0x0000000004C40000-0x0000000004C50000-memory.dmpFilesize
64KB
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memory/3380-128-0x00000000746C0000-0x0000000074E70000-memory.dmpFilesize
7.7MB
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memory/3380-142-0x0000000004C40000-0x0000000004C50000-memory.dmpFilesize
64KB
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memory/3384-245-0x0000000000400000-0x0000000003009000-memory.dmpFilesize
44.0MB
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memory/3384-265-0x0000000000400000-0x0000000003009000-memory.dmpFilesize
44.0MB
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memory/3384-194-0x0000000000400000-0x0000000003009000-memory.dmpFilesize
44.0MB
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memory/3452-29-0x0000000007480000-0x000000000749A000-memory.dmpFilesize
104KB
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memory/3452-23-0x00000000060C0000-0x00000000060DE000-memory.dmpFilesize
120KB
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memory/3452-57-0x0000000074620000-0x0000000074DD0000-memory.dmpFilesize
7.7MB
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memory/3452-54-0x0000000007810000-0x0000000007818000-memory.dmpFilesize
32KB
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memory/3452-4-0x0000000002A20000-0x0000000002A56000-memory.dmpFilesize
216KB
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memory/3452-52-0x0000000007820000-0x000000000783A000-memory.dmpFilesize
104KB
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memory/3452-5-0x0000000074620000-0x0000000074DD0000-memory.dmpFilesize
7.7MB
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memory/3452-6-0x0000000002C50000-0x0000000002C60000-memory.dmpFilesize
64KB
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memory/3452-50-0x00000000077E0000-0x00000000077F4000-memory.dmpFilesize
80KB
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memory/3452-48-0x00000000077C0000-0x00000000077CE000-memory.dmpFilesize
56KB
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memory/3452-47-0x0000000007780000-0x0000000007791000-memory.dmpFilesize
68KB
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memory/3452-46-0x0000000007880000-0x0000000007916000-memory.dmpFilesize
600KB
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memory/3452-45-0x0000000007770000-0x000000000777A000-memory.dmpFilesize
40KB
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memory/3452-44-0x0000000007680000-0x0000000007723000-memory.dmpFilesize
652KB
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memory/3452-43-0x0000000007620000-0x000000000763E000-memory.dmpFilesize
120KB
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memory/3452-33-0x0000000070C60000-0x0000000070FB4000-memory.dmpFilesize
3.3MB
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memory/3452-32-0x00000000704C0000-0x000000007050C000-memory.dmpFilesize
304KB
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memory/3452-30-0x0000000007640000-0x0000000007672000-memory.dmpFilesize
200KB
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memory/3452-31-0x000000007FB50000-0x000000007FB60000-memory.dmpFilesize
64KB
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memory/3452-8-0x0000000002C50000-0x0000000002C60000-memory.dmpFilesize
64KB
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memory/3452-9-0x0000000005300000-0x0000000005928000-memory.dmpFilesize
6.2MB
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memory/3452-10-0x0000000005040000-0x0000000005062000-memory.dmpFilesize
136KB
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memory/3452-28-0x0000000007AE0000-0x000000000815A000-memory.dmpFilesize
6.5MB
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memory/3452-27-0x00000000073E0000-0x0000000007456000-memory.dmpFilesize
472KB
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memory/3452-11-0x00000000051E0000-0x0000000005246000-memory.dmpFilesize
408KB
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memory/3452-12-0x0000000005930000-0x0000000005996000-memory.dmpFilesize
408KB
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memory/3452-18-0x00000000059A0000-0x0000000005CF4000-memory.dmpFilesize
3.3MB
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memory/3452-26-0x0000000002C50000-0x0000000002C60000-memory.dmpFilesize
64KB
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memory/3452-24-0x00000000060E0000-0x000000000612C000-memory.dmpFilesize
304KB
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memory/3452-25-0x0000000007210000-0x0000000007254000-memory.dmpFilesize
272KB
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memory/4896-100-0x00000000050A0000-0x00000000050B0000-memory.dmpFilesize
64KB
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memory/4896-127-0x00000000746C0000-0x0000000074E70000-memory.dmpFilesize
7.7MB
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memory/4896-115-0x0000000070760000-0x0000000070AB4000-memory.dmpFilesize
3.3MB
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memory/4896-114-0x00000000705C0000-0x000000007060C000-memory.dmpFilesize
304KB
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memory/4896-113-0x00000000050A0000-0x00000000050B0000-memory.dmpFilesize
64KB
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memory/4896-101-0x00000000746C0000-0x0000000074E70000-memory.dmpFilesize
7.7MB
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memory/4908-58-0x0000000000400000-0x0000000003009000-memory.dmpFilesize
44.0MB
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memory/4908-1-0x0000000003430000-0x000000000382D000-memory.dmpFilesize
4.0MB
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memory/4908-51-0x0000000003430000-0x000000000382D000-memory.dmpFilesize
4.0MB
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memory/4908-49-0x0000000000400000-0x0000000003009000-memory.dmpFilesize
44.0MB
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memory/4908-7-0x0000000000400000-0x0000000003009000-memory.dmpFilesize
44.0MB
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memory/4908-53-0x00000000050D0000-0x00000000059BB000-memory.dmpFilesize
8.9MB
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memory/4908-3-0x0000000000400000-0x0000000003009000-memory.dmpFilesize
44.0MB
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memory/4908-2-0x00000000050D0000-0x00000000059BB000-memory.dmpFilesize
8.9MB