Analysis
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max time kernel
301s -
max time network
303s -
platform
windows10-1703_x64 -
resource
win10-20240221-en -
resource tags
arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system -
submitted
28/02/2024, 04:58
Static task
static1
Behavioral task
behavioral1
Sample
dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe
Resource
win7-20240221-en
General
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Target
dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe
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Size
4.1MB
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MD5
f60462c65e4236da4ad91d4f8c22f3c2
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SHA1
247a35dd5e2673c21eec0d627790f78668264cf6
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SHA256
dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa
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SHA512
d06565fc858e4ebca6136cb088688100f10bd7d197a8fc696d2a9face2334bd98225fdb9a7e4a34e4526e71313015ca82f4666f43d52dc4c870ae35929e1a9c9
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SSDEEP
98304:ryGuBgAwnQem+Uql0Dgxel+ktF5CaAW9LUaE13xxYjoo:ruenwlERxel3qa4VhxIx
Malware Config
Signatures
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Glupteba payload 37 IoCs
resource yara_rule behavioral2/memory/2156-2-0x0000000003EC0000-0x00000000047AB000-memory.dmp family_glupteba behavioral2/memory/2156-3-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2156-82-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2156-300-0x0000000003EC0000-0x00000000047AB000-memory.dmp family_glupteba behavioral2/memory/2156-303-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/3608-305-0x0000000003D30000-0x0000000004135000-memory.dmp family_glupteba behavioral2/memory/3608-306-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/3608-513-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/3608-585-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/3608-824-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/3608-1049-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1053-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1330-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1802-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1805-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1812-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1814-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1816-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1818-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1820-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1822-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1824-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1826-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1828-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1830-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1832-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1834-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1836-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1838-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1840-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1842-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1844-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1846-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1848-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1850-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1852-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1132-1854-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe = "0" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1472 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1132 csrss.exe 1848 injector.exe 1392 windefender.exe 396 windefender.exe -
resource yara_rule behavioral2/files/0x000700000001ac1b-1806.dat upx behavioral2/memory/1392-1811-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/396-1813-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/396-1817-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe = "0" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2772066395-907917261-1982757236-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2772066395-907917261-1982757236-1000\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 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 File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe File created C:\Windows\rss\csrss.exe dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.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 1548 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 712 schtasks.exe 4688 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.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,-1501 = "Turkey Daylight Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control netsh.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,-2411 = "Marquesas Daylight Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-51 = "Greenland 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" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.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,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.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,-632 = "Tokyo Standard Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.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,-82 = "Atlantic Standard 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\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.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,-2841 = "Saratov Daylight Time" dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.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\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3964 powershell.exe 3964 powershell.exe 3964 powershell.exe 2156 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 2156 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 2260 powershell.exe 2260 powershell.exe 2260 powershell.exe 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 2676 powershell.exe 2676 powershell.exe 2676 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 1828 powershell.exe 1828 powershell.exe 1828 powershell.exe 512 powershell.exe 512 powershell.exe 512 powershell.exe 3312 powershell.exe 3312 powershell.exe 3312 powershell.exe 1848 injector.exe 1848 injector.exe 1848 injector.exe 1848 injector.exe 1848 injector.exe 1848 injector.exe 1848 injector.exe 1848 injector.exe 1132 csrss.exe 1132 csrss.exe 1848 injector.exe 1848 injector.exe 1848 injector.exe 1848 injector.exe 1848 injector.exe 1848 injector.exe 1132 csrss.exe 1132 csrss.exe 1848 injector.exe 1848 injector.exe 1848 injector.exe 1848 injector.exe 1848 injector.exe 1848 injector.exe 1848 injector.exe 1848 injector.exe 1132 csrss.exe 1132 csrss.exe 1848 injector.exe 1848 injector.exe 1848 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3964 powershell.exe Token: SeDebugPrivilege 2156 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Token: SeImpersonatePrivilege 2156 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe Token: SeDebugPrivilege 2260 powershell.exe Token: SeDebugPrivilege 2676 powershell.exe Token: SeDebugPrivilege 4828 powershell.exe Token: SeDebugPrivilege 1828 powershell.exe Token: SeDebugPrivilege 512 powershell.exe Token: SeDebugPrivilege 3312 powershell.exe Token: SeSystemEnvironmentPrivilege 1132 csrss.exe Token: SeSecurityPrivilege 1548 sc.exe Token: SeSecurityPrivilege 1548 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2156 wrote to memory of 3964 2156 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 73 PID 2156 wrote to memory of 3964 2156 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 73 PID 2156 wrote to memory of 3964 2156 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 73 PID 3608 wrote to memory of 2260 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 78 PID 3608 wrote to memory of 2260 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 78 PID 3608 wrote to memory of 2260 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 78 PID 3608 wrote to memory of 976 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 80 PID 3608 wrote to memory of 976 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 80 PID 976 wrote to memory of 1472 976 cmd.exe 82 PID 976 wrote to memory of 1472 976 cmd.exe 82 PID 3608 wrote to memory of 2676 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 83 PID 3608 wrote to memory of 2676 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 83 PID 3608 wrote to memory of 2676 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 83 PID 3608 wrote to memory of 4828 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 85 PID 3608 wrote to memory of 4828 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 85 PID 3608 wrote to memory of 4828 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 85 PID 3608 wrote to memory of 1132 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 87 PID 3608 wrote to memory of 1132 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 87 PID 3608 wrote to memory of 1132 3608 dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe 87 PID 1132 wrote to memory of 1828 1132 csrss.exe 88 PID 1132 wrote to memory of 1828 1132 csrss.exe 88 PID 1132 wrote to memory of 1828 1132 csrss.exe 88 PID 1132 wrote to memory of 512 1132 csrss.exe 95 PID 1132 wrote to memory of 512 1132 csrss.exe 95 PID 1132 wrote to memory of 512 1132 csrss.exe 95 PID 1132 wrote to memory of 3312 1132 csrss.exe 97 PID 1132 wrote to memory of 3312 1132 csrss.exe 97 PID 1132 wrote to memory of 3312 1132 csrss.exe 97 PID 1132 wrote to memory of 1848 1132 csrss.exe 99 PID 1132 wrote to memory of 1848 1132 csrss.exe 99 PID 1392 wrote to memory of 2088 1392 windefender.exe 106 PID 1392 wrote to memory of 2088 1392 windefender.exe 106 PID 1392 wrote to memory of 2088 1392 windefender.exe 106 PID 2088 wrote to memory of 1548 2088 cmd.exe 107 PID 2088 wrote to memory of 1548 2088 cmd.exe 107 PID 2088 wrote to memory of 1548 2088 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\dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe"C:\Users\Admin\AppData\Local\Temp\dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3964
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C:\Users\Admin\AppData\Local\Temp\dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.exe"C:\Users\Admin\AppData\Local\Temp\dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa.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:3608 -
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:2260
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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:976 -
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:1472
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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:2676
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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:4828
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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:1132 -
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:1828
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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:712
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2084
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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:512
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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:3312
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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:1848
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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:4688
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1392 -
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:2088 -
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:1548
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:396
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
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD50e8bf8fce524d646e862681a87fb14c8
SHA15d93f8cd3e2cc146d255838f45b077202f107f74
SHA256003e155a72b3ae0916461c753b785efb545355c170a9650ff0c5d8fa2ef28f63
SHA51233bf582be4a0ac91c9d1f416df724e9afe6a6ff262a43e876ecebfd0ebfd99f785bdb705495d0a21d6aa9417b88170c84808c1191210b16d000b16a5543d201b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD59431e1b73ea6094084149eb5f0e39678
SHA1fac0bbfdbc86092197bdad4db832c97040d0fcfb
SHA256131117c1d5adc336af1a116a3c615ad4f476a1cc8740791649ecd6eedca67630
SHA5129b0484aedb9c787dce2832b180f617b3d24de5efe51776c561092ffda9a28030dfcf470515a31ca45495fc5b27b3f2a8500a2ae74ffc64900c8bfdf6a9c79e44
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5948d767153663159a2c9956dd00cd706
SHA1b41aa2c952416cef45fa8db5b01c82f7b87018a9
SHA2561087886d37f7c8fa6f6e0734202a8aaf9e301ee212873b4c1525ae6ee515dc37
SHA51292a7035af0a20a3c0520adcefefd3468cfa10ac4f68286d2085436eb3c511b8fa6a87b403144abf286acff61496b46cbb393706d4d0abc76f687eb7102ec6e6d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD52b72563897106f688247f52fbcb58860
SHA1c54d552537996f9cdcb4f6cd98088b4bad750572
SHA256e4e434fbf69e7c4a65f7e5c23eeb590d3681ac11b06038fc22bed846f20442d3
SHA512024037b862542bb4ad6a26e0497dd7a3827253ac935eb5734db41a9084e41731477a89f5b5f84863cd73075c0e5369049274e8234056d2962349025c836323aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5ae45fc5bd9b66d9c659f1350b52761c2
SHA155e43ef3e0b7e44f82c4b8651a822ca974c2d7e3
SHA256af10285df1fa81014134d90a050b1697b93cbd0139cea13256b38057a56143bb
SHA512e038fb624a22113208365f9595943d69d77e095ae377b945ef3daca4a1fe16245a752f67543ad5e681eda1b0be186f589cbf329d9ad3d048bd01c6cee11c2b72
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Filesize
4.1MB
MD5f60462c65e4236da4ad91d4f8c22f3c2
SHA1247a35dd5e2673c21eec0d627790f78668264cf6
SHA256dbc133dbc310007acaf8c0ea5d5864f8b89ddce30a76668de85f1c6a2baac6aa
SHA512d06565fc858e4ebca6136cb088688100f10bd7d197a8fc696d2a9face2334bd98225fdb9a7e4a34e4526e71313015ca82f4666f43d52dc4c870ae35929e1a9c9
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec