Analysis
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max time kernel
300s -
max time network
299s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
16/05/2024, 23:31
Static task
static1
Behavioral task
behavioral1
Sample
7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe
Resource
win7-20231129-en
General
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Target
7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe
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Size
4.1MB
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MD5
ed25fd8cfc6b309cefc42d1d7e4e475b
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SHA1
ac5a7b6bb3f90604ed2b9b3f21f9d1b9714fea54
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SHA256
7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067
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SHA512
f3bb8812cbc3666c6345a4e49a1a073d755d843149a63830161d9fa72e581927fa22aae3796ea88636526e7892ad99a53fd2ff5d13f3fb18e99fdfa4907749ef
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SSDEEP
49152:HfnInHQDK0wlO9rfJPTTANkdvq5+Duji334xe6X5+X6+m4ZNLcl7ubrDe/c0eSCR:sRCfJXOkdCGujW3ocq+CWmE2BmkIV7Wq
Malware Config
Signatures
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Glupteba payload 29 IoCs
resource yara_rule behavioral2/memory/4540-23-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4540-296-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2368-558-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2368-1023-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1297-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1755-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1765-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1767-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1769-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1771-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1773-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1775-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1777-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1779-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1781-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1783-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1785-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1787-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1789-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1791-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1793-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1795-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1797-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1799-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1801-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1803-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1805-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1807-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-1809-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe = "0" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5108 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4620 csrss.exe 4240 injector.exe 1824 windefender.exe 3036 windefender.exe -
resource yara_rule behavioral2/files/0x000800000001abd2-1758.dat upx behavioral2/memory/1824-1760-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3036-1763-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1824-1764-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3036-1766-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3036-1770-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe = "0" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1739856679-3467441365-73334005-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1739856679-3467441365-73334005-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.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 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe File created C:\Windows\rss\csrss.exe 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1540 sc.exe -
pid Process 3448 powershell.exe 2812 powershell.exe 1588 powershell.exe 3764 powershell.exe 824 powershell.exe 4988 powershell.exe 784 powershell.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 4612 schtasks.exe 1116 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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\1a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.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\1a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace\Session netsh.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\1a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4988 powershell.exe 4988 powershell.exe 4988 powershell.exe 4540 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 4540 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 784 powershell.exe 784 powershell.exe 784 powershell.exe 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 3448 powershell.exe 3448 powershell.exe 3448 powershell.exe 2812 powershell.exe 2812 powershell.exe 2812 powershell.exe 1588 powershell.exe 1588 powershell.exe 1588 powershell.exe 3764 powershell.exe 3764 powershell.exe 3764 powershell.exe 824 powershell.exe 824 powershell.exe 824 powershell.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4620 csrss.exe 4240 injector.exe 4240 injector.exe 4620 csrss.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4620 csrss.exe 4620 csrss.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4620 csrss.exe 4620 csrss.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4988 powershell.exe Token: SeDebugPrivilege 4540 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Token: SeImpersonatePrivilege 4540 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe Token: SeDebugPrivilege 784 powershell.exe Token: SeDebugPrivilege 3448 powershell.exe Token: SeDebugPrivilege 2812 powershell.exe Token: SeDebugPrivilege 1588 powershell.exe Token: SeDebugPrivilege 3764 powershell.exe Token: SeDebugPrivilege 824 powershell.exe Token: SeSystemEnvironmentPrivilege 4620 csrss.exe Token: SeSecurityPrivilege 1540 sc.exe Token: SeSecurityPrivilege 1540 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4540 wrote to memory of 4988 4540 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 74 PID 4540 wrote to memory of 4988 4540 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 74 PID 4540 wrote to memory of 4988 4540 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 74 PID 2368 wrote to memory of 784 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 79 PID 2368 wrote to memory of 784 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 79 PID 2368 wrote to memory of 784 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 79 PID 2368 wrote to memory of 3824 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 81 PID 2368 wrote to memory of 3824 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 81 PID 3824 wrote to memory of 5108 3824 cmd.exe 83 PID 3824 wrote to memory of 5108 3824 cmd.exe 83 PID 2368 wrote to memory of 3448 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 84 PID 2368 wrote to memory of 3448 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 84 PID 2368 wrote to memory of 3448 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 84 PID 2368 wrote to memory of 2812 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 86 PID 2368 wrote to memory of 2812 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 86 PID 2368 wrote to memory of 2812 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 86 PID 2368 wrote to memory of 4620 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 88 PID 2368 wrote to memory of 4620 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 88 PID 2368 wrote to memory of 4620 2368 7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe 88 PID 4620 wrote to memory of 1588 4620 csrss.exe 89 PID 4620 wrote to memory of 1588 4620 csrss.exe 89 PID 4620 wrote to memory of 1588 4620 csrss.exe 89 PID 4620 wrote to memory of 3764 4620 csrss.exe 96 PID 4620 wrote to memory of 3764 4620 csrss.exe 96 PID 4620 wrote to memory of 3764 4620 csrss.exe 96 PID 4620 wrote to memory of 824 4620 csrss.exe 98 PID 4620 wrote to memory of 824 4620 csrss.exe 98 PID 4620 wrote to memory of 824 4620 csrss.exe 98 PID 4620 wrote to memory of 4240 4620 csrss.exe 100 PID 4620 wrote to memory of 4240 4620 csrss.exe 100 PID 1824 wrote to memory of 4628 1824 windefender.exe 107 PID 1824 wrote to memory of 4628 1824 windefender.exe 107 PID 1824 wrote to memory of 4628 1824 windefender.exe 107 PID 4628 wrote to memory of 1540 4628 cmd.exe 108 PID 4628 wrote to memory of 1540 4628 cmd.exe 108 PID 4628 wrote to memory of 1540 4628 cmd.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\7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe"C:\Users\Admin\AppData\Local\Temp\7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4540 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4988
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C:\Users\Admin\AppData\Local\Temp\7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.exe"C:\Users\Admin\AppData\Local\Temp\7ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067.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:2368 -
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
PID:784
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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:3824 -
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
- Modifies data under HKEY_USERS
PID:5108
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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
PID:3448
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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
PID:2812
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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
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4620 -
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
PID:1588
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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:4612
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:196
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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
PID:3764
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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
PID:824
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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:4240
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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:1116
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1824 -
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:4628 -
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:1540
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3036
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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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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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
MD54735923e37e44b02c3d5d13f4c232bee
SHA1373d8270748e2db043b1a7ea60c7e75afc89d9bb
SHA256c90e3845c99d3f0f6f145d30fa62b66b6550615aeec8a0a828a11545a4208428
SHA5120149f4f9779f3efebeebbe1c7aaa41e5779c133a9336a05e3cfddd68d8d25d06fe17ede6d4706461c5ecf5f5408e7267740ce149ca355c84aff03fd6a973ab7e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD57940c9da178b7b7241ce6ee2607c38ef
SHA142f46e70c5501f34cd846458de3eba00fe7821b6
SHA256c313ef3434d64375cb52c077503485651b06b522ece1947840e28044b12dee39
SHA5125531c22707ce05a5d00dc9319e15df2170789fa30db09b4df0fbb4744980773345cf5e3242db51a176c9bd7b8186f9cf8dc4ca6d11c9319ee250276a78442b08
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5ba790410aa339c922c9a3e23cad6919e
SHA1a853f0859c4df5d750752cc9cc68b9776f607343
SHA256321d609e75d30fb45fbcb4984933ff3213297b8d510201504e424af17ebea365
SHA5121231313ccc18eb8fe1809268123eae149f31158f5385f7c7b49c29323dc6eba578e59f92815ab88ba3b36c7124d1eed92649b043f69affa975e89987a1d396f9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD52343d6595d524e5537d063671fa8a925
SHA14e33b85d9868a0190854b6f3cda6cd986cd513e5
SHA256b6706ef390b139e19651ba06517d5cbc12594f2b1186f35a82d493f91e2712f8
SHA5124e57d691fbf778e5e749a6646c34437de4cf2983ddc47e95c8f32cd4ca96d2c797e5fe983eb5ed9317d66673555c18bc301b390fee2d7566acb08d224f7a7eaf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD59c04303818090ee9b1925eaa73d331c0
SHA1aa38d6cb1625dfb6e7a8fc5bb461656bd6e2a13c
SHA256c36b38ec39b3528ecce5d690d3b0e2f2e986bc8bce0e379124de36532c1cd565
SHA51263f9fb0060e839d8cec028b13164dfe082dfd074f621a87b9ebd80804cf055361883e4a76915e2e821475e11111bea821b9ab4aefb8fb6f738396f9a253461fb
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Filesize
4.1MB
MD5ed25fd8cfc6b309cefc42d1d7e4e475b
SHA1ac5a7b6bb3f90604ed2b9b3f21f9d1b9714fea54
SHA2567ef82dde69842cc9fa009ad530048f839c2bbc4c24c55dddfabe00541b401067
SHA512f3bb8812cbc3666c6345a4e49a1a073d755d843149a63830161d9fa72e581927fa22aae3796ea88636526e7892ad99a53fd2ff5d13f3fb18e99fdfa4907749ef
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec