Analysis
-
max time kernel
150s -
max time network
130s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:19
Static task
static1
Behavioral task
behavioral1
Sample
da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe
Resource
win10v2004-20240426-en
General
-
Target
da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe
-
Size
4.1MB
-
MD5
fc9c4c12a8f4a6491810da547cf3e801
-
SHA1
fe4c1345ce321114ef1b36ec5156b46ff26297fa
-
SHA256
da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982
-
SHA512
faf16b3d9ac4857ece5fe2d11507e2989dae9583067a88b0da6cd248cce07d56171d276590d2f6e4e0bc0fc483bebc963ae77a12af7d1c3511e6fa217661ae28
-
SSDEEP
98304:/pLl5dh/cY//0ytMliSDJIrO0tWgVy355J08nZmlsCv:hLlNLHtGNcOLFp5JFwlsCv
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4068-2-0x0000000005010000-0x00000000058FB000-memory.dmp family_glupteba behavioral2/memory/4068-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4068-50-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4068-117-0x0000000005010000-0x00000000058FB000-memory.dmp family_glupteba behavioral2/memory/2452-125-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4068-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2216-201-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2216-212-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2216-215-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2216-218-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2216-222-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2216-228-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2216-232-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2216-235-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2216-238-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2216-242-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2216-248-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2216-252-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4284 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2216 csrss.exe 1640 injector.exe 1492 windefender.exe 1176 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa0b-204.dat upx behavioral2/memory/1492-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1176-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1492-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1176-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1176-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1176-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\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.
-
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe File created C:\Windows\rss\csrss.exe da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.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 3532 sc.exe -
pid Process 3348 powershell.exe 3224 powershell.exe 5032 powershell.exe 1164 powershell.exe 1180 powershell.exe 4448 powershell.exe 4604 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 2180 schtasks.exe 2204 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.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\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5032 powershell.exe 5032 powershell.exe 4068 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 4068 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 1164 powershell.exe 1164 powershell.exe 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 1180 powershell.exe 1180 powershell.exe 4448 powershell.exe 4448 powershell.exe 4604 powershell.exe 4604 powershell.exe 3348 powershell.exe 3348 powershell.exe 3224 powershell.exe 3224 powershell.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 2216 csrss.exe 2216 csrss.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 2216 csrss.exe 2216 csrss.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 2216 csrss.exe 2216 csrss.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe 1640 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5032 powershell.exe Token: SeDebugPrivilege 4068 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Token: SeImpersonatePrivilege 4068 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe Token: SeDebugPrivilege 1164 powershell.exe Token: SeDebugPrivilege 1180 powershell.exe Token: SeDebugPrivilege 4448 powershell.exe Token: SeDebugPrivilege 4604 powershell.exe Token: SeDebugPrivilege 3348 powershell.exe Token: SeDebugPrivilege 3224 powershell.exe Token: SeSystemEnvironmentPrivilege 2216 csrss.exe Token: SeSecurityPrivilege 3532 sc.exe Token: SeSecurityPrivilege 3532 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4068 wrote to memory of 5032 4068 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 82 PID 4068 wrote to memory of 5032 4068 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 82 PID 4068 wrote to memory of 5032 4068 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 82 PID 2452 wrote to memory of 1164 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 87 PID 2452 wrote to memory of 1164 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 87 PID 2452 wrote to memory of 1164 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 87 PID 2452 wrote to memory of 3020 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 89 PID 2452 wrote to memory of 3020 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 89 PID 3020 wrote to memory of 4284 3020 cmd.exe 91 PID 3020 wrote to memory of 4284 3020 cmd.exe 91 PID 2452 wrote to memory of 1180 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 92 PID 2452 wrote to memory of 1180 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 92 PID 2452 wrote to memory of 1180 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 92 PID 2452 wrote to memory of 4448 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 94 PID 2452 wrote to memory of 4448 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 94 PID 2452 wrote to memory of 4448 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 94 PID 2452 wrote to memory of 2216 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 96 PID 2452 wrote to memory of 2216 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 96 PID 2452 wrote to memory of 2216 2452 da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe 96 PID 2216 wrote to memory of 4604 2216 csrss.exe 97 PID 2216 wrote to memory of 4604 2216 csrss.exe 97 PID 2216 wrote to memory of 4604 2216 csrss.exe 97 PID 2216 wrote to memory of 3348 2216 csrss.exe 103 PID 2216 wrote to memory of 3348 2216 csrss.exe 103 PID 2216 wrote to memory of 3348 2216 csrss.exe 103 PID 2216 wrote to memory of 3224 2216 csrss.exe 105 PID 2216 wrote to memory of 3224 2216 csrss.exe 105 PID 2216 wrote to memory of 3224 2216 csrss.exe 105 PID 2216 wrote to memory of 1640 2216 csrss.exe 107 PID 2216 wrote to memory of 1640 2216 csrss.exe 107 PID 1492 wrote to memory of 2260 1492 windefender.exe 113 PID 1492 wrote to memory of 2260 1492 windefender.exe 113 PID 1492 wrote to memory of 2260 1492 windefender.exe 113 PID 2260 wrote to memory of 3532 2260 cmd.exe 114 PID 2260 wrote to memory of 3532 2260 cmd.exe 114 PID 2260 wrote to memory of 3532 2260 cmd.exe 114 -
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
-
C:\Users\Admin\AppData\Local\Temp\da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe"C:\Users\Admin\AppData\Local\Temp\da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4068 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5032
-
-
C:\Users\Admin\AppData\Local\Temp\da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.exe"C:\Users\Admin\AppData\Local\Temp\da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982.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:2452 -
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:1164
-
-
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:3020 -
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:4284
-
-
-
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:1180
-
-
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:4448
-
-
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:2216 -
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:4604
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2180
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:892
-
-
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:3348
-
-
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:3224
-
-
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:1640
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2204
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1492 -
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:2260 -
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:3532
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1176
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56bb4ad47eedab149f8127b8a2bc03a5e
SHA1b6b24524cd4fe316311bd1a8338620e955dca629
SHA256337e1228700c7dff37159ce4fac5cfd5380358a42e7f05036a497b8f74545c44
SHA5124f003e76e15765074b704aabe4c58df4209cecbe7504e629d12fa5400419f0690f36f23e81f516accd714ce83afe192e3f76e7bfc3a8e5c95b488ea3a131e460
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ab40fc936b71ac8d5df61a0811e2361e
SHA11c4c82c6a0823ded8a036141e7caaa6d1878f3b4
SHA256efbe628b491948e1bad0c2addec7ef8082f3ced0b221dbaa016aa1ff20e58f98
SHA512e5ce1b08a6bd26dd21e7c0a986e207c35937fb56c0d275723a3ff453812477b5b912544074296bd52609b04173c2f9be6dcdfb5b5fc01331f2b599c70ce9d435
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5292fc472ab4827beb12f1637339b52d1
SHA1cc86f473e5b05f9fd547c2986811cb6f76ca5393
SHA256c4f8afd5f7793ec5ef906c633cf51f23128d80e4ed2029719ad661f4dc9ab10a
SHA512c759347ece1d373ce0ff7c70b0aa7d26afcde9beacb3eefec9fca8a6ff93b544effdf2e3ff85e00b88aee50fcf2eb55404839f261eaefad037d3f57bd671bcc9
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58a2dc47cfec0335eb671d2adb793f320
SHA17a2f902e8d05acc6251dba48244517a535c88359
SHA256d954673fdcd7a48f9465dfbe366a25e65a4b5e936c9ab577ab40e13fcd37fdc0
SHA5129a118400a0dbc3102b36cfa71bb8a3d564888389227cea218732539c0bf48bd3ee38f8858e80237c3f1005687ccd2973e03d41581cc5a406191fe06fc1b24f3c
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD522d3e1b817024a817b3edfed84462990
SHA1a893795f6336c97f60732fd4f363567d7d481b3d
SHA256990d7a2bd75701179dddc6a584748aabaa5d9f9ab721036fa2b950b562280de1
SHA5125696bd020f1702a9ce09f7ef6c31422ac0f01a3f4c4e1f22563f796a0c9f493a50c69022c0daab1442010fc328a4baf80b9fe69a414c3ba79caff1814e894503
-
Filesize
4.1MB
MD5fc9c4c12a8f4a6491810da547cf3e801
SHA1fe4c1345ce321114ef1b36ec5156b46ff26297fa
SHA256da624d3781d88a953bc1d206166aa66d4457f1cae7855b4eb2e00d273fc40982
SHA512faf16b3d9ac4857ece5fe2d11507e2989dae9583067a88b0da6cd248cce07d56171d276590d2f6e4e0bc0fc483bebc963ae77a12af7d1c3511e6fa217661ae28
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec