Analysis
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max time kernel
153s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 12:44
Static task
static1
Behavioral task
behavioral1
Sample
38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe
Resource
win7-20240221-en
General
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Target
38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe
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Size
4.1MB
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MD5
529eb810c50b92db0d4023037472c536
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SHA1
6d0139357967ca54649b27d8770b0c8701aff5fd
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SHA256
38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2
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SHA512
136ee3092386d02d1c8bc24c20a300dd979f3311ad297412569c42677ca7e3c029ca32308ada6ae769511ef346af1a177714c00deb80abf33d0593f5f6f45797
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SSDEEP
98304:cl9GTbLtL99uWlQGfUFGGhNMfnjCzwWu2csDCx3z+tD:hT3oWlQMUAMlWxj+tD
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3248-2-0x0000000002EC0000-0x00000000037AB000-memory.dmp family_glupteba behavioral2/memory/3248-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3248-4-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3248-23-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3248-28-0x0000000002EC0000-0x00000000037AB000-memory.dmp family_glupteba behavioral2/memory/3248-31-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3248-34-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3248-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3248-65-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4732-93-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4732-141-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4732-173-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3060-198-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3060-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3060-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3060-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3060-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3060-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1448 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3060 csrss.exe 3444 injector.exe 3280 windefender.exe 3472 windefender.exe -
resource yara_rule behavioral2/files/0x0004000000000739-237.dat upx behavioral2/memory/3280-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3472-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3280-244-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3472-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3472-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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 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 -
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 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe File created C:\Windows\rss\csrss.exe 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.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 1528 sc.exe -
pid Process 692 powershell.exe 4312 powershell.exe 432 powershell.exe 1408 powershell.exe 4204 powershell.exe 2020 powershell.exe 2140 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 336 schtasks.exe 4328 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\22\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2020 powershell.exe 2020 powershell.exe 3248 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 3248 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 2140 powershell.exe 2140 powershell.exe 2140 powershell.exe 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 692 powershell.exe 692 powershell.exe 692 powershell.exe 4312 powershell.exe 4312 powershell.exe 4312 powershell.exe 432 powershell.exe 432 powershell.exe 432 powershell.exe 1408 powershell.exe 1408 powershell.exe 1408 powershell.exe 4204 powershell.exe 4204 powershell.exe 4204 powershell.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3060 csrss.exe 3060 csrss.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3060 csrss.exe 3060 csrss.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3060 csrss.exe 3060 csrss.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2020 powershell.exe Token: SeDebugPrivilege 3248 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Token: SeImpersonatePrivilege 3248 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe Token: SeDebugPrivilege 2140 powershell.exe Token: SeDebugPrivilege 692 powershell.exe Token: SeDebugPrivilege 4312 powershell.exe Token: SeDebugPrivilege 432 powershell.exe Token: SeDebugPrivilege 1408 powershell.exe Token: SeDebugPrivilege 4204 powershell.exe Token: SeSystemEnvironmentPrivilege 3060 csrss.exe Token: SeSecurityPrivilege 1528 sc.exe Token: SeSecurityPrivilege 1528 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3248 wrote to memory of 2020 3248 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 92 PID 3248 wrote to memory of 2020 3248 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 92 PID 3248 wrote to memory of 2020 3248 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 92 PID 4732 wrote to memory of 2140 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 104 PID 4732 wrote to memory of 2140 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 104 PID 4732 wrote to memory of 2140 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 104 PID 4732 wrote to memory of 2384 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 106 PID 4732 wrote to memory of 2384 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 106 PID 2384 wrote to memory of 1448 2384 cmd.exe 108 PID 2384 wrote to memory of 1448 2384 cmd.exe 108 PID 4732 wrote to memory of 692 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 109 PID 4732 wrote to memory of 692 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 109 PID 4732 wrote to memory of 692 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 109 PID 4732 wrote to memory of 4312 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 111 PID 4732 wrote to memory of 4312 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 111 PID 4732 wrote to memory of 4312 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 111 PID 4732 wrote to memory of 3060 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 113 PID 4732 wrote to memory of 3060 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 113 PID 4732 wrote to memory of 3060 4732 38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe 113 PID 3060 wrote to memory of 432 3060 csrss.exe 114 PID 3060 wrote to memory of 432 3060 csrss.exe 114 PID 3060 wrote to memory of 432 3060 csrss.exe 114 PID 3060 wrote to memory of 1408 3060 csrss.exe 119 PID 3060 wrote to memory of 1408 3060 csrss.exe 119 PID 3060 wrote to memory of 1408 3060 csrss.exe 119 PID 3060 wrote to memory of 4204 3060 csrss.exe 122 PID 3060 wrote to memory of 4204 3060 csrss.exe 122 PID 3060 wrote to memory of 4204 3060 csrss.exe 122 PID 3060 wrote to memory of 3444 3060 csrss.exe 124 PID 3060 wrote to memory of 3444 3060 csrss.exe 124 PID 3280 wrote to memory of 3392 3280 windefender.exe 130 PID 3280 wrote to memory of 3392 3280 windefender.exe 130 PID 3280 wrote to memory of 3392 3280 windefender.exe 130 PID 3392 wrote to memory of 1528 3392 cmd.exe 131 PID 3392 wrote to memory of 1528 3392 cmd.exe 131 PID 3392 wrote to memory of 1528 3392 cmd.exe 131 -
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\38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe"C:\Users\Admin\AppData\Local\Temp\38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3248 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2020
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C:\Users\Admin\AppData\Local\Temp\38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe"C:\Users\Admin\AppData\Local\Temp\38c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2.exe"2⤵
- 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:4732 -
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:2140
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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:2384 -
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:1448
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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:692
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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:4312
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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:3060 -
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:432
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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:336
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4248
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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:1408
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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:4204
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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:3444
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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:4328
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3280 -
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:3392 -
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:1528
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4120 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:81⤵PID:2080
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3472
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
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52b13d33dfa1f56e672edb2e819b79632
SHA147a9dab5892dee13753fe864f1fdc26cba901918
SHA2560ef6c882376986752950194a001d81fc668c25d6a739014af4f1b20a07454fc3
SHA512577dd29246f10518af2535a13a5c12c0267245c1c1d51977e843e078afb3c1119503d04f42fa315d14e88419c220957b46639d63a2091b62ada3842d448a55f4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53db4fcafdead6876cb2d9491e68b889b
SHA1722ed6394a6d781cd099cb5904012ea2a30bd057
SHA256a0e84609276e83b7fe10307866d2d0bc9555b97e3fb8200ba818229d4cc44c75
SHA5121def2e5c30bb0ee6c15bb92baf42d7fe2079f382436839f950efc939a5f4aa3f12e701e1d676b6621e5b8b8c33b18f6732069329a296b11eb0eb0ee5d071a47d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f13bc20ae75152cd5d56c9de0a412449
SHA1f85d4197c77d1f1ebbd8b30bcff5ff312e6b8000
SHA2564d959a771c387b89b505a27a3243b24cc496609a126203d5df833d0761f66c49
SHA512917327333b9ba72ba4e838d95867bc32bae659891e0a934325b83466f225b0209c6120c8d30b19d5269ea419d6d770fb86e3ebf7b75b292cd61b00ee863d4788
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD500d90ee98d6076ae3cb126f9297b72d3
SHA1fac4e7904d9c31461b984ed0cff45da5e1b30fde
SHA256af0f39e415539bbfac956ba81130b983b6f78bb7fb276325446eea8dec974fed
SHA5124350fa0032e30132121552b865734360eb03462a23e2dc42e7b74f11ea785addc2fd98855d79a76369dfebf59972e7b8607397282e8081195edbaadb3a1a595f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e3aa21fd311a26be771e17c05f97630b
SHA150455c9a55b55de6f6c0e321f11e7b1cc4fecb3c
SHA256d13ad2974fcf5cf101c31526608f1d3766def10b2b716e888f30e2d18358ae9a
SHA512a0f969fd8c9d76e4896936ee8fc205f05087dd810baa8a2e530eebc4b0d0b0d326459f0bb1a908bb11bcf08299e59a55517c63fb66d955d693b181fa62290746
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Filesize
4.1MB
MD5529eb810c50b92db0d4023037472c536
SHA16d0139357967ca54649b27d8770b0c8701aff5fd
SHA25638c3513c60b6da1156c8d641fa87da2e4c834176096bd70a0fb697088ac9bdd2
SHA512136ee3092386d02d1c8bc24c20a300dd979f3311ad297412569c42677ca7e3c029ca32308ada6ae769511ef346af1a177714c00deb80abf33d0593f5f6f45797
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec