Analysis
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max time kernel
300s -
max time network
289s -
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, 23:19
Static task
static1
Behavioral task
behavioral1
Sample
6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe
Resource
win7-20231129-en
General
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Target
6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe
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Size
4.1MB
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MD5
e2d0b0f5a01e9644ea01b19addf1aba3
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SHA1
e0f393367d89bbbf97801ee0b86edd97097c2a1c
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SHA256
6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b
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SHA512
79fa1cd4f617ef97d669992251f3b645f4654a15626c95245aa593d2e5bb959283118801e800200eb4aecd178516f6c9baa760a165f7d4c69431bf351562d797
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SSDEEP
49152:ZvHCDSSa3hD42qGLSmY/7m0wOZef6/7XKNRZLDoULBsYgivTaJXJXiyJlvBT7giG:ZvHka3hrLY/a9UySgdYYX4jJQi9k
Malware Config
Signatures
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Glupteba payload 27 IoCs
resource yara_rule behavioral2/memory/2792-1738-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1752-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1753-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1755-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1758-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1759-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1761-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1763-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1766-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1768-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1769-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1771-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1774-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1776-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1777-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1779-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1782-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1784-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1785-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1787-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1790-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1792-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1793-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1795-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1798-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1800-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2792-1801-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe = "0" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 764 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2792 csrss.exe 3552 injector.exe 4300 windefender.exe 4384 windefender.exe -
resource yara_rule behavioral2/memory/4300-1748-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000800000001ac2d-1749.dat upx behavioral2/memory/4384-1751-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4300-1750-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4384-1754-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4384-1757-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe = "0" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.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 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 -
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 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe File created C:\Windows\rss\csrss.exe 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.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 4700 sc.exe -
pid Process 3296 powershell.exe 2592 powershell.exe 4868 powershell.exe 1704 powershell.exe 1060 powershell.exe 3636 powershell.exe 2156 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 4316 schtasks.exe 3636 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.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\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.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,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-281 = "Central Europe Daylight Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.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,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-52 = "Greenland 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" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-461 = "Afghanistan Daylight Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-2392 = "Aleutian Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4868 powershell.exe 4868 powershell.exe 4868 powershell.exe 1844 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 1844 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 1704 powershell.exe 1704 powershell.exe 1704 powershell.exe 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 1060 powershell.exe 1060 powershell.exe 1060 powershell.exe 3636 powershell.exe 3636 powershell.exe 3636 powershell.exe 2156 powershell.exe 2156 powershell.exe 2156 powershell.exe 3296 powershell.exe 3296 powershell.exe 3296 powershell.exe 2592 powershell.exe 2592 powershell.exe 2592 powershell.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 2792 csrss.exe 3552 injector.exe 3552 injector.exe 2792 csrss.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 2792 csrss.exe 2792 csrss.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 2792 csrss.exe 2792 csrss.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe 3552 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4868 powershell.exe Token: SeDebugPrivilege 1844 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Token: SeImpersonatePrivilege 1844 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe Token: SeDebugPrivilege 1704 powershell.exe Token: SeDebugPrivilege 1060 powershell.exe Token: SeDebugPrivilege 3636 powershell.exe Token: SeDebugPrivilege 2156 powershell.exe Token: SeDebugPrivilege 3296 powershell.exe Token: SeDebugPrivilege 2592 powershell.exe Token: SeSystemEnvironmentPrivilege 2792 csrss.exe Token: SeSecurityPrivilege 4700 sc.exe Token: SeSecurityPrivilege 4700 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1844 wrote to memory of 4868 1844 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 76 PID 1844 wrote to memory of 4868 1844 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 76 PID 1844 wrote to memory of 4868 1844 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 76 PID 1520 wrote to memory of 1704 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 81 PID 1520 wrote to memory of 1704 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 81 PID 1520 wrote to memory of 1704 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 81 PID 1520 wrote to memory of 3772 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 106 PID 1520 wrote to memory of 3772 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 106 PID 3772 wrote to memory of 764 3772 cmd.exe 85 PID 3772 wrote to memory of 764 3772 cmd.exe 85 PID 1520 wrote to memory of 1060 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 86 PID 1520 wrote to memory of 1060 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 86 PID 1520 wrote to memory of 1060 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 86 PID 1520 wrote to memory of 3636 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 105 PID 1520 wrote to memory of 3636 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 105 PID 1520 wrote to memory of 3636 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 105 PID 1520 wrote to memory of 2792 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 90 PID 1520 wrote to memory of 2792 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 90 PID 1520 wrote to memory of 2792 1520 6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe 90 PID 2792 wrote to memory of 2156 2792 csrss.exe 91 PID 2792 wrote to memory of 2156 2792 csrss.exe 91 PID 2792 wrote to memory of 2156 2792 csrss.exe 91 PID 2792 wrote to memory of 3296 2792 csrss.exe 98 PID 2792 wrote to memory of 3296 2792 csrss.exe 98 PID 2792 wrote to memory of 3296 2792 csrss.exe 98 PID 2792 wrote to memory of 2592 2792 csrss.exe 100 PID 2792 wrote to memory of 2592 2792 csrss.exe 100 PID 2792 wrote to memory of 2592 2792 csrss.exe 100 PID 2792 wrote to memory of 3552 2792 csrss.exe 102 PID 2792 wrote to memory of 3552 2792 csrss.exe 102 PID 4300 wrote to memory of 2972 4300 windefender.exe 109 PID 4300 wrote to memory of 2972 4300 windefender.exe 109 PID 4300 wrote to memory of 2972 4300 windefender.exe 109 PID 2972 wrote to memory of 4700 2972 cmd.exe 110 PID 2972 wrote to memory of 4700 2972 cmd.exe 110 PID 2972 wrote to memory of 4700 2972 cmd.exe 110 -
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\6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe"C:\Users\Admin\AppData\Local\Temp\6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1844 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4868
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C:\Users\Admin\AppData\Local\Temp\6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.exe"C:\Users\Admin\AppData\Local\Temp\6e5d8976685d57f723aeaf695caedf2451cdb6022d6bff8c7b3d6916c9c84a9b.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:1520 -
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:1704
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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:3772 -
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:764
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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:1060
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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:3636
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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:2792 -
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:2156
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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:4316
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3156
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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:3296
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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:2592
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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:3552
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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:3636 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:3772
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4300 -
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:2972 -
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:4700
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4384
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
MD5a951cbea4c82bef493055e4400c5c4a2
SHA16e54ed98a837afe6135b4bb28da1a621d54c850f
SHA256d0bb8fcd1454b5e370b1407bdddf61c5539b0a1758e6b5e3f7e42050e1d5c049
SHA512316d5ee3bf65dc5b526e2539d2755ba7e9a6349591623a7b0621b85575490bb02823f9169d0f2bf92982d3e524157bf5f635b192a956376fa2f49c16f9c1cb84
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD564538dd92f8417695a5ea47ca021aee6
SHA14b6441d04969130b3b5978bcf5eba64ab4c60b8c
SHA2563a2e80dbd787f35a1bc975fea0797d93c30a1b2bf4f8ae8d3bb71e84eba9ca0c
SHA512e8b6dbfe4449f95c0c91c1af4abb8564e2fded9e347472aedf624823cb7758050576bc607cf4c962340df2c1ed7d8ae90689faec497f1532bb9746b90d3d4f72
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5f86088a7cfbbc3e634db7cddfe60c257
SHA13892c7344e3516da4197cce3097652abc5c1b451
SHA2566eb92f21ad5f45a8f0ceaf66ab2641393a0f1ca623172c2bfc86264968e70121
SHA512f53ca45fa5961309c076a2048d83094a0e20b524ef925ac7be8e67bc2045aec6fbb563344568143c4a1b382224440e1867faf1c6808732ba2ef8c035ebc7e08c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5565f0e56154fd17807b6aef8ee1a3415
SHA1e046c53dfa72d5551d985e31576e8aa9da3c057c
SHA256cdb23e97f68a55ac7c02abc82f54b3e67935016d373301ea4ad3010a0129ef17
SHA512ac573166b0ef6e9c2dd6cb38ec320405cb3226ae3e3774fc54ac81cee20c3f1a3cb905247d660e048ee3f5a47309df67c31a97248298b371c9ed084645d6a2f1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5e8230cb8f14414acf8a5f328edfaab41
SHA1e34d4c819c30646fb376febad4c000d23a8f3f11
SHA256f1e7d11bc069dc249719760aa03d192556b6ff431ae361e53a484eed3a7336eb
SHA512bc3ca9646c2d3435b97df5ae816631946be7119e5648c698b7ca1de66180a608108e1ca8efaa937fc1948f6e3e0a9e228fb65c06dfee033f321971f27f7efa77
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Filesize
2.1MB
MD5c76a9dc2b0ffb16e819834851e97adce
SHA101a0fe4ecf3296694c2bb608437c36d6d58fca37
SHA256d1dbc5416874a83f8439efc8b0f43218a33a5b1baf10330420c4d5856ea2d6b3
SHA5121e0f63aea1938e761cf84af212135f005653421ddbb8fe89c2b65c2c504f6b15030bcd2e45733f6b732b2cae4fd830b45cb0e904d1a6d15c311f92fa9267ac5f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec