Analysis
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max time kernel
300s -
max time network
303s -
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, 23:26
Static task
static1
Behavioral task
behavioral1
Sample
75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe
Resource
win7-20240221-en
General
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Target
75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe
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Size
4.1MB
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MD5
988063bed4f706e05b96376915f07b52
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SHA1
041223b6bfcfca6e60f3bb132baa77c5fea2e2d0
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SHA256
75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d
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SHA512
d14e62649d653e67ac8f9079fef9564b6653419daf283ac9eac7913e26c5aedc72b4071383b5e5515768c204b328dbb3049d8b118eb3723f4590732cabdb6abd
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SSDEEP
98304:JBY9z85IDEueBnM7HV1ZCi3qkeUZQkUcyc0rdgIXwT8j+R299ds96:LY9z2G9P11ZCi3jZQkUsIS8j+R299dsg
Malware Config
Signatures
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Glupteba payload 34 IoCs
resource yara_rule behavioral2/memory/3052-2-0x0000000004990000-0x000000000527B000-memory.dmp family_glupteba behavioral2/memory/3052-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3052-24-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/3052-298-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/3052-303-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3052-301-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/3052-302-0x0000000004990000-0x000000000527B000-memory.dmp family_glupteba behavioral2/memory/3604-323-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/3604-781-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/3604-1032-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1279-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1765-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1775-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1776-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1778-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1780-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1782-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1785-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1787-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1788-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1790-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1792-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1795-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1797-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1798-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1800-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1802-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1805-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1806-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1808-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1810-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1813-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1814-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba behavioral2/memory/2304-1816-0x0000000000400000-0x000000000295C000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe = "0" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1496 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2304 csrss.exe 4760 injector.exe 400 windefender.exe 4696 windefender.exe -
resource yara_rule behavioral2/files/0x000800000001abb8-1768.dat upx behavioral2/memory/400-1769-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4696-1772-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/400-1774-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4696-1777-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4696-1781-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe = "0" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1739856679-3467441365-73334005-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (str) \REGISTRY\USER\S-1-5-21-1739856679-3467441365-73334005-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe File created C:\Windows\rss\csrss.exe 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.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 4420 sc.exe -
pid Process 2792 powershell.exe 3260 powershell.exe 3280 powershell.exe 920 powershell.exe 516 powershell.exe 8 powershell.exe 2148 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 4636 schtasks.exe 3752 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,-741 = "New Zealand Daylight Time" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.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,-142 = "Canada Central Standard 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\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 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" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-11 = "Azores 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 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 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.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" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.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\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.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,-451 = "Caucasus Daylight Time" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.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" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.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,-271 = "Greenwich Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2792 powershell.exe 2792 powershell.exe 2792 powershell.exe 3052 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 3052 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 3260 powershell.exe 3260 powershell.exe 3260 powershell.exe 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 3280 powershell.exe 3280 powershell.exe 3280 powershell.exe 920 powershell.exe 920 powershell.exe 920 powershell.exe 516 powershell.exe 516 powershell.exe 516 powershell.exe 8 powershell.exe 8 powershell.exe 8 powershell.exe 2148 powershell.exe 2148 powershell.exe 2148 powershell.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 2304 csrss.exe 2304 csrss.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 2304 csrss.exe 2304 csrss.exe 4760 injector.exe 4760 injector.exe 2304 csrss.exe 2304 csrss.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2792 powershell.exe Token: SeDebugPrivilege 3052 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Token: SeImpersonatePrivilege 3052 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe Token: SeDebugPrivilege 3260 powershell.exe Token: SeDebugPrivilege 3280 powershell.exe Token: SeDebugPrivilege 920 powershell.exe Token: SeDebugPrivilege 516 powershell.exe Token: SeDebugPrivilege 8 powershell.exe Token: SeDebugPrivilege 2148 powershell.exe Token: SeSystemEnvironmentPrivilege 2304 csrss.exe Token: SeSecurityPrivilege 4420 sc.exe Token: SeSecurityPrivilege 4420 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3052 wrote to memory of 2792 3052 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 73 PID 3052 wrote to memory of 2792 3052 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 73 PID 3052 wrote to memory of 2792 3052 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 73 PID 3604 wrote to memory of 3260 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 78 PID 3604 wrote to memory of 3260 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 78 PID 3604 wrote to memory of 3260 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 78 PID 3604 wrote to memory of 2404 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 80 PID 3604 wrote to memory of 2404 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 80 PID 2404 wrote to memory of 1496 2404 cmd.exe 82 PID 2404 wrote to memory of 1496 2404 cmd.exe 82 PID 3604 wrote to memory of 3280 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 83 PID 3604 wrote to memory of 3280 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 83 PID 3604 wrote to memory of 3280 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 83 PID 3604 wrote to memory of 920 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 85 PID 3604 wrote to memory of 920 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 85 PID 3604 wrote to memory of 920 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 85 PID 3604 wrote to memory of 2304 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 87 PID 3604 wrote to memory of 2304 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 87 PID 3604 wrote to memory of 2304 3604 75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe 87 PID 2304 wrote to memory of 516 2304 csrss.exe 88 PID 2304 wrote to memory of 516 2304 csrss.exe 88 PID 2304 wrote to memory of 516 2304 csrss.exe 88 PID 2304 wrote to memory of 8 2304 csrss.exe 95 PID 2304 wrote to memory of 8 2304 csrss.exe 95 PID 2304 wrote to memory of 8 2304 csrss.exe 95 PID 2304 wrote to memory of 2148 2304 csrss.exe 97 PID 2304 wrote to memory of 2148 2304 csrss.exe 97 PID 2304 wrote to memory of 2148 2304 csrss.exe 97 PID 2304 wrote to memory of 4760 2304 csrss.exe 99 PID 2304 wrote to memory of 4760 2304 csrss.exe 99 PID 400 wrote to memory of 3804 400 windefender.exe 106 PID 400 wrote to memory of 3804 400 windefender.exe 106 PID 400 wrote to memory of 3804 400 windefender.exe 106 PID 3804 wrote to memory of 4420 3804 cmd.exe 107 PID 3804 wrote to memory of 4420 3804 cmd.exe 107 PID 3804 wrote to memory of 4420 3804 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\75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe"C:\Users\Admin\AppData\Local\Temp\75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3052 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2792
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C:\Users\Admin\AppData\Local\Temp\75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.exe"C:\Users\Admin\AppData\Local\Temp\75af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d.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:3604 -
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:3260
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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:2404 -
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:1496
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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:3280
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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:920
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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:2304 -
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:516
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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:3752
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2580
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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:8
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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:2148
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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:4760
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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:4636
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:400 -
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:3804 -
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:4420
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4696
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
MD5d0b6d78d05fb581bcd162f996efc6c46
SHA1f94b325e9b1d29183cff941e2b0fb64be855371d
SHA256be1b44b83f3b15f650c8a178d779e68def67429e2f532ddbe0711c9d4c96b65a
SHA5122cb4f3f42bcc82d00b44574f84dd2dc095dd0efbdce823ad64bd6f1e91c98aa01e6cf9fef8db85181d84ee95ae768de89df8f585413aba4116192285828cfb91
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD57cdd1a4d0996bc76edc4e354d0bf1643
SHA199b1c0a0c036c1bee3a178475270d10020c7600a
SHA25634170e65991b226be024c0548bae85e5005ee8062478a3ac51aa644c9e4d56ea
SHA5125c317bbeebbd324fe81c77bb337b50589f7c7be0bb8a5ac9f4af1a2d1d6d23078378f5c392410be95b93bc215c6596ef5f9509367282329afe73e7343adf1e8f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD57e57acc3c0d8a3197f31672e08350cf3
SHA1215236d5a60a148b9475f5e60faead604c911fa8
SHA25677e751da9d0047d9a1f82598de387c57af58be8e2263f472eb5186809fbacfa4
SHA512c6d129c63e9a025d22541c569c3d72bf461312cb71487c57f97f7fe231609224bf673578be158b992df068be8f8ec70785fbdef5d6723f9d7653fde0c104bb15
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD510a9ed8c650d037a2e4bac3cb155ddca
SHA14a84027c688f0b5df0d179d6ee7a25705a000d89
SHA25673830a01b1232e0e6de62a6e48831390126943e029a17c14a7b34f5ff88c2281
SHA512751443e69b7bafb3afebc97ad36190b4f50218f1f5d545047f22f9009903ff83f9cd6fc2e3e5756e1faffd585a686d6606d2e68c05894c865b03542912ae05fd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD54ea6409b7ddee533583d50de605090f9
SHA10d095cf5552d44daeb68b8062128f5029a3b2974
SHA25697e862ea242c67004b326dffd96f7544223c2ae00e9632c10c950141bed87e6f
SHA512a5577b7d321aa773bea85866a2e6078d81d06f55fcbb013f5d1c3d75a7d4faedf8aed72d82514bfc93092aeea7686bff1b4982bbfe18ff93e673a39ccda36035
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Filesize
4.1MB
MD5988063bed4f706e05b96376915f07b52
SHA1041223b6bfcfca6e60f3bb132baa77c5fea2e2d0
SHA25675af032205576d95ecf6414367d471ad5414fa56f7b2da4a4035d470444cc97d
SHA512d14e62649d653e67ac8f9079fef9564b6653419daf283ac9eac7913e26c5aedc72b4071383b5e5515768c204b328dbb3049d8b118eb3723f4590732cabdb6abd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec