Analysis
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max time kernel
127s -
max time network
132s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system -
submitted
23/10/2023, 18:09
Static task
static1
General
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Target
7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe
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Size
4.2MB
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MD5
bad37589c61055d0d3935577c443912a
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SHA1
92a068ac9e7f6741e822657c27ca3b92e67a8f50
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SHA256
7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d
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SHA512
89f09ed6a5bbb804dbb5a8f94c109fb6d1128620c428bb0531a98ee5af1d055162ff7e2f2d138ef5821c93fa6288f8916115489369185e3f0acf38668d42d394
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SSDEEP
98304:FRNz7/MpIuKKPCyJjnTiKPacT8WhgYKzimB8vIfQnyyd5Qdabjh/:HNzQKZyJLTT8Whg7znC+QHdj5/
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4076-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral1/memory/4076-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4076-75-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral1/memory/4076-85-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4076-307-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2792-310-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2792-548-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2792-567-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2792-1051-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4548-1054-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4548-1522-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4548-1800-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4548-1808-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4548-1810-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4548-1812-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4548-1814-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4548-1816-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4548-1824-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe = "0" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2516 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4548 csrss.exe 4148 injector.exe 3436 windefender.exe 2908 windefender.exe 992 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000700000001abff-1803.dat upx behavioral1/files/0x000700000001abff-1805.dat upx behavioral1/files/0x000700000001abff-1806.dat upx behavioral1/memory/3436-1807-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2908-1809-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2908-1813-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000600000001ac00-1820.dat upx behavioral1/files/0x000600000001ac00-1822.dat upx behavioral1/memory/2908-1823-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/992-1825-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/992-1827-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe = "0" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2640874492-649017405-3475600720-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2640874492-649017405-3475600720-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process 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 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe File created C:\Windows\rss\csrss.exe 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 204 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2092 schtasks.exe 2176 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.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\1a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.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\1a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\1a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\1a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\1a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3992 powershell.exe 3992 powershell.exe 3992 powershell.exe 4076 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 4076 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 5080 powershell.exe 5080 powershell.exe 5080 powershell.exe 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 2500 powershell.exe 2500 powershell.exe 2500 powershell.exe 204 powershell.exe 204 powershell.exe 204 powershell.exe 2820 powershell.exe 2820 powershell.exe 2820 powershell.exe 4020 powershell.exe 4020 powershell.exe 4020 powershell.exe 4224 powershell.exe 4224 powershell.exe 4224 powershell.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4548 csrss.exe 4548 csrss.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4548 csrss.exe 4548 csrss.exe 4148 injector.exe 4148 injector.exe 4548 csrss.exe 4548 csrss.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3992 powershell.exe Token: SeDebugPrivilege 4076 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Token: SeImpersonatePrivilege 4076 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe Token: SeDebugPrivilege 5080 powershell.exe Token: SeDebugPrivilege 2500 powershell.exe Token: SeDebugPrivilege 204 powershell.exe Token: SeDebugPrivilege 2820 powershell.exe Token: SeDebugPrivilege 4020 powershell.exe Token: SeDebugPrivilege 4224 powershell.exe Token: SeSystemEnvironmentPrivilege 4548 csrss.exe Token: SeSecurityPrivilege 204 sc.exe Token: SeSecurityPrivilege 204 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4076 wrote to memory of 3992 4076 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 72 PID 4076 wrote to memory of 3992 4076 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 72 PID 4076 wrote to memory of 3992 4076 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 72 PID 2792 wrote to memory of 5080 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 77 PID 2792 wrote to memory of 5080 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 77 PID 2792 wrote to memory of 5080 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 77 PID 2792 wrote to memory of 1848 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 79 PID 2792 wrote to memory of 1848 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 79 PID 1848 wrote to memory of 2516 1848 cmd.exe 81 PID 1848 wrote to memory of 2516 1848 cmd.exe 81 PID 2792 wrote to memory of 2500 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 82 PID 2792 wrote to memory of 2500 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 82 PID 2792 wrote to memory of 2500 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 82 PID 2792 wrote to memory of 204 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 84 PID 2792 wrote to memory of 204 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 84 PID 2792 wrote to memory of 204 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 84 PID 2792 wrote to memory of 4548 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 86 PID 2792 wrote to memory of 4548 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 86 PID 2792 wrote to memory of 4548 2792 7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe 86 PID 4548 wrote to memory of 2820 4548 csrss.exe 87 PID 4548 wrote to memory of 2820 4548 csrss.exe 87 PID 4548 wrote to memory of 2820 4548 csrss.exe 87 PID 4548 wrote to memory of 4020 4548 csrss.exe 93 PID 4548 wrote to memory of 4020 4548 csrss.exe 93 PID 4548 wrote to memory of 4020 4548 csrss.exe 93 PID 4548 wrote to memory of 4224 4548 csrss.exe 96 PID 4548 wrote to memory of 4224 4548 csrss.exe 96 PID 4548 wrote to memory of 4224 4548 csrss.exe 96 PID 4548 wrote to memory of 4148 4548 csrss.exe 98 PID 4548 wrote to memory of 4148 4548 csrss.exe 98 PID 3436 wrote to memory of 4008 3436 windefender.exe 105 PID 3436 wrote to memory of 4008 3436 windefender.exe 105 PID 3436 wrote to memory of 4008 3436 windefender.exe 105 PID 4008 wrote to memory of 204 4008 cmd.exe 106 PID 4008 wrote to memory of 204 4008 cmd.exe 106 PID 4008 wrote to memory of 204 4008 cmd.exe 106 PID 4548 wrote to memory of 992 4548 csrss.exe 108 PID 4548 wrote to memory of 992 4548 csrss.exe 108 PID 4548 wrote to memory of 992 4548 csrss.exe 108 -
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\7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe"C:\Users\Admin\AppData\Local\Temp\7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4076 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3992
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C:\Users\Admin\AppData\Local\Temp\7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe"C:\Users\Admin\AppData\Local\Temp\7e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:2792 -
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:5080
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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
PID:1848 -
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:2516
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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:2500
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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:204
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4548 -
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:2820
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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)
PID:2092
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4544
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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:4020
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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:4224
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4148
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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)
PID:2176
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3436 -
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⤵
- Suspicious use of WriteProcessMemory
PID:4008 -
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
- Suspicious use of AdjustPrivilegeToken
PID:204
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:992 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:1344
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:2612
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2908
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
1Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5db01a2c1c7e70b2b038edf8ad5ad9826
SHA1540217c647a73bad8d8a79e3a0f3998b5abd199b
SHA256413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d
SHA512c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD56a6d1e95498a4859bbe059ba386d1fca
SHA11f3d7fe8e01ecc6310c9b901f549d91be9d2fb85
SHA2567ef7c2acc5023502290da68dfbb01fd127b6fa38c62f9a5d2090a2798710d2f2
SHA512431994a753cf3ee894c4a5ab610cad8e90dacc4a6b02a1b5db0f38b094f50a49d0bcb992ea8df11fa84621e071472928b848b8ec9827adf96ce19a78343dbe31
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5be1d6573bb25cc3aad9f0c75891c8efe
SHA11d645caf28d1bef64cf7d01083457dbbaa539c4d
SHA256a9376891dae9a5e61afec465f413df684d567d4f3d0130b84655db66254ab185
SHA512475b6bec66865e98a70dcf95ba4c00b7fd6993221c8da4fe9bae66eab9b7db523f4b9047d78f703619c0f86acb4c9504facabe3631eadd84a4a7f6714c84fcba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD54729f39f48287b832ec5a549fad85213
SHA161cc0040551e42fdaa1c8e20ff8399bd1a5bd935
SHA256cdbfa448c3e5f2c4ea014858408bef2e2006521702c6cfb26b6777f8ba19d6bc
SHA51294014a4c5c3132508577b89bebd2dc8af6bf6c60e750c3f1ab07300b67818c6adfb36bad3f85c91a60ed655aeeded96ece951fc714038bd447ffb71eec342a90
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD59b8b1024d6f5ca3994d1d77263bbcbaa
SHA1995d6bebf710fbd25be8a8170c5632329f32e427
SHA256ef7b8fc18c1c52cfed6b134417689a969c3a3d7f8d35257f1df0618adf5398c3
SHA512bcffe8c2bc39d028022528928cf0b5ac11db5650eba03758d9068ac54ce3f4f4fe305f95334d76c5ff1d521e5a0cb98841c021c863dc6233891d70c1aaafbe49
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5194fa6dfd4cb8663681269739623700c
SHA104c6a3172b2762401c948e1572495d4926de64b7
SHA256b642267d20d6a25a47df319ccf077281263a32228a19ea7949987c33c74741b4
SHA51267c8dfd3a6cdd47dc493ffeb1111e32d99d05c7e33fabb007d27cc08e5ca666fff5f09c204c975f444bea47fdd9518ea64f425e41c65a0fc90edda40559669a1
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Filesize
4.2MB
MD5bad37589c61055d0d3935577c443912a
SHA192a068ac9e7f6741e822657c27ca3b92e67a8f50
SHA2567e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d
SHA51289f09ed6a5bbb804dbb5a8f94c109fb6d1128620c428bb0531a98ee5af1d055162ff7e2f2d138ef5821c93fa6288f8916115489369185e3f0acf38668d42d394
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Filesize
4.2MB
MD5bad37589c61055d0d3935577c443912a
SHA192a068ac9e7f6741e822657c27ca3b92e67a8f50
SHA2567e39aed3fac8541376243c0271dda3c3c06bd794fb08608dd63ad259968cff9d
SHA51289f09ed6a5bbb804dbb5a8f94c109fb6d1128620c428bb0531a98ee5af1d055162ff7e2f2d138ef5821c93fa6288f8916115489369185e3f0acf38668d42d394
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec