Analysis
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max time kernel
300s -
max time network
283s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
29/04/2024, 04:50
Static task
static1
Behavioral task
behavioral1
Sample
0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe
Resource
win7-20240220-en
General
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Target
0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe
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Size
4.1MB
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MD5
150262a3d446a1701b076757a5450484
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SHA1
82532f0468e4eba295a60be5587cdaa279177be4
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SHA256
0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060
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SHA512
b3ffaee89cba19bade147f7d33c5d738552c04f43ce809c1429673f7d93ef6b8ad11b1fd98539c5a07433b43788262eba7589168bdc0cbe4e3b52b3951cb9af1
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SSDEEP
98304:yxMvDlpZvb8ZK6Pm1OqC68DUZP3t+NAeQDD60jtf0ZJUQwpesMAQ2H/nDv:yOpbkK6P76wCP3t+NMK0jtGJUQwpe8nz
Malware Config
Signatures
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Glupteba payload 33 IoCs
resource yara_rule behavioral2/memory/908-2-0x00000000051E0000-0x0000000005ACB000-memory.dmp family_glupteba behavioral2/memory/908-3-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/908-298-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/908-299-0x00000000051E0000-0x0000000005ACB000-memory.dmp family_glupteba behavioral2/memory/4140-558-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4140-1015-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1035-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1735-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1744-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1746-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1748-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1750-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1752-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1754-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1756-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1758-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1760-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1762-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1764-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1766-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1768-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1770-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1772-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1774-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1776-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1778-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1780-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1782-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1784-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1786-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1788-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1790-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral2/memory/4972-1792-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe = "0" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2272 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4972 csrss.exe 2768 injector.exe 4344 windefender.exe 4340 windefender.exe -
resource yara_rule behavioral2/memory/4344-1743-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4340-1742-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000800000001ac26-1741.dat upx behavioral2/memory/4344-1740-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4340-1745-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4340-1749-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe = "0" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (str) \REGISTRY\USER\S-1-5-21-4106386276-4127174233-3637007343-1000\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\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 File created 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 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe File created C:\Windows\rss\csrss.exe 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.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 4604 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 2312 schtasks.exe 4416 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\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe 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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.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,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.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,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.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" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1988 powershell.exe 1988 powershell.exe 1988 powershell.exe 908 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 908 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 4300 powershell.exe 4300 powershell.exe 4300 powershell.exe 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 192 powershell.exe 192 powershell.exe 192 powershell.exe 4372 powershell.exe 4372 powershell.exe 4372 powershell.exe 4340 powershell.exe 4340 powershell.exe 4340 powershell.exe 4636 powershell.exe 4636 powershell.exe 4636 powershell.exe 616 powershell.exe 616 powershell.exe 616 powershell.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 4972 csrss.exe 4972 csrss.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 4972 csrss.exe 4972 csrss.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 4972 csrss.exe 4972 csrss.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1988 powershell.exe Token: SeDebugPrivilege 908 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Token: SeImpersonatePrivilege 908 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe Token: SeDebugPrivilege 4300 powershell.exe Token: SeDebugPrivilege 192 powershell.exe Token: SeDebugPrivilege 4372 powershell.exe Token: SeDebugPrivilege 4340 powershell.exe Token: SeDebugPrivilege 4636 powershell.exe Token: SeDebugPrivilege 616 powershell.exe Token: SeSystemEnvironmentPrivilege 4972 csrss.exe Token: SeSecurityPrivilege 4604 sc.exe Token: SeSecurityPrivilege 4604 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 908 wrote to memory of 1988 908 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 73 PID 908 wrote to memory of 1988 908 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 73 PID 908 wrote to memory of 1988 908 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 73 PID 4140 wrote to memory of 4300 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 78 PID 4140 wrote to memory of 4300 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 78 PID 4140 wrote to memory of 4300 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 78 PID 4140 wrote to memory of 692 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 80 PID 4140 wrote to memory of 692 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 80 PID 692 wrote to memory of 2272 692 cmd.exe 82 PID 692 wrote to memory of 2272 692 cmd.exe 82 PID 4140 wrote to memory of 192 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 83 PID 4140 wrote to memory of 192 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 83 PID 4140 wrote to memory of 192 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 83 PID 4140 wrote to memory of 4372 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 85 PID 4140 wrote to memory of 4372 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 85 PID 4140 wrote to memory of 4372 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 85 PID 4140 wrote to memory of 4972 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 87 PID 4140 wrote to memory of 4972 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 87 PID 4140 wrote to memory of 4972 4140 0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe 87 PID 4972 wrote to memory of 4340 4972 csrss.exe 108 PID 4972 wrote to memory of 4340 4972 csrss.exe 108 PID 4972 wrote to memory of 4340 4972 csrss.exe 108 PID 4972 wrote to memory of 4636 4972 csrss.exe 95 PID 4972 wrote to memory of 4636 4972 csrss.exe 95 PID 4972 wrote to memory of 4636 4972 csrss.exe 95 PID 4972 wrote to memory of 616 4972 csrss.exe 97 PID 4972 wrote to memory of 616 4972 csrss.exe 97 PID 4972 wrote to memory of 616 4972 csrss.exe 97 PID 4972 wrote to memory of 2768 4972 csrss.exe 99 PID 4972 wrote to memory of 2768 4972 csrss.exe 99 PID 4344 wrote to memory of 3120 4344 windefender.exe 106 PID 4344 wrote to memory of 3120 4344 windefender.exe 106 PID 4344 wrote to memory of 3120 4344 windefender.exe 106 PID 3120 wrote to memory of 4604 3120 cmd.exe 107 PID 3120 wrote to memory of 4604 3120 cmd.exe 107 PID 3120 wrote to memory of 4604 3120 cmd.exe 107 -
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\0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe"C:\Users\Admin\AppData\Local\Temp\0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:908 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1988
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C:\Users\Admin\AppData\Local\Temp\0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.exe"C:\Users\Admin\AppData\Local\Temp\0efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060.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:4140 -
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:4300
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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:692 -
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:2272
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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:192
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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:4372
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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:4972 -
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:4340
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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:2312
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5004
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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:4636
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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:616
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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:2768
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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:4416
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4344 -
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:3120 -
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:4604
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4340
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
MD5513ea234a33eafb691e12a8cc31971f3
SHA19c52cc2128348e9f9ca5b2fe6cb6f11ff8f1380f
SHA256a11284185ce2b17745272a9eb1a22a866a519763fdc1eeec3bc2fc1016533084
SHA5128882d941944414b3263cb55cb251c1511029afe75d1d632aae75d9189f3dccd2edf662f19667271c38fc30d1f96761875f81837683b6989f291615669088bd76
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5b918b2ecfcca7e5ebe798c43f4bf1e5c
SHA103a9f7d3947ad1587afc25b796476586fb03955c
SHA2567af075edc38d8f48441c3a14ee8d4ac5ae2a2ae3c08b7ac6bf7cdb4bb50fdd18
SHA51230c20f72155651248ab3d7de6326f463abd9ed8855f8d7668e387d80e42e2fdbf2e6b2501d0d3a44958ef7e414c110b73d79204df0636463517dfad80af14196
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5146e555f8a9cc18d279d2f98b3ec6bb9
SHA17d6904b9b828f9655c179ef573c12201687842d7
SHA2562acf3252278ac3a3dfc8d73d8da02b776c3e0fa21c4f4330073206d25205a319
SHA5128ff51237949b49269f174ca8deac15775d4386e44da911962b2a16f75a94a6cd9c255c1bf4f19c157a39e16de686211b678efc2b0f332685a1027a4783e739b5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5655075d1b45ad2a569e1ea6524356d18
SHA12b556a8a593fa8da8caf4b21f4e293918ac2e1bc
SHA25658de51e501b34b89f0dbac4e42396ec278a8095ed2c49f4e3ab673e0a0191ec1
SHA512ceeab948b95958a14c52c05e6a817f5a8c2db5ef7849d8ab1bbfe4f3cfd62494187f7be397289f0f29e92bf31b667d163510bece5db0fb87e4c3fbeb019ef395
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5f2cee7106c1c64dfa2adaa4f2a43baf9
SHA15f78fb4fc008e7b631d04e0ec6fb9403c2ed5c86
SHA2563cf032ca22910ba6c9ad89aad7565b964ff9147eb432605aaedc70f82836804f
SHA512e25de6e25d3ba1de2b6b8e1fd87693f3f53bfd87d268db0a3a6d69cf3a83f431bd9ec2eadc085196c7c66125d7a4cc33c4fa35b6a2f498a342760788f70ab33a
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Filesize
4.1MB
MD5150262a3d446a1701b076757a5450484
SHA182532f0468e4eba295a60be5587cdaa279177be4
SHA2560efb61d2255a2e3198c529b1d665f8c84fdc4cb5656cb988111c88526ff4c060
SHA512b3ffaee89cba19bade147f7d33c5d738552c04f43ce809c1429673f7d93ef6b8ad11b1fd98539c5a07433b43788262eba7589168bdc0cbe4e3b52b3951cb9af1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec