Analysis
-
max time kernel
150s -
max time network
132s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 13:06
Static task
static1
Behavioral task
behavioral1
Sample
3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe
Resource
win10v2004-20240508-en
General
-
Target
3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe
-
Size
4.1MB
-
MD5
ee3bec4db8bdc5f23eec403f8a87fa34
-
SHA1
891f2125bb008fb882dfcc968173bcbabd23fa83
-
SHA256
3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8
-
SHA512
4236a3c82e390690a7ca4457fcfc08016b091662c806c16230e8fc1b8f9696f1fe908b843691bc7d1e99c52578a740613fd3d1cb2cad44510a5cb1ff28799817
-
SSDEEP
98304:3hzlfCz+ccJ0CpUiRHjJlGcG1klIkRd3fLKEv5:Rz9CiccJ0CpfGcGG1DfL/
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1128-2-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral2/memory/1128-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1128-24-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1128-53-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral2/memory/1128-54-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1128-76-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1920-91-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1920-129-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4000-131-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4000-206-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4000-213-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4000-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4000-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4000-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4000-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4000-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4000-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4000-245-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4000-249-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4784 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4000 csrss.exe 4152 injector.exe 1244 windefender.exe 536 windefender.exe -
resource yara_rule behavioral2/files/0x000400000002a9ba-211.dat upx behavioral2/memory/1244-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/536-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1244-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/536-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/536-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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 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 -
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 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe File created C:\Windows\rss\csrss.exe 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.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 3300 sc.exe -
pid Process 2760 powershell.exe 4852 powershell.exe 2472 powershell.exe 4496 powershell.exe 4088 powershell.exe 3880 powershell.exe 1052 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 4932 schtasks.exe 3376 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,-1842 = "Russia TZ 4 Standard Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 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,-932 = "Coordinated Universal Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.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,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.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" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-301 = "Romance Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2760 powershell.exe 2760 powershell.exe 1128 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1128 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 4852 powershell.exe 4852 powershell.exe 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 2472 powershell.exe 2472 powershell.exe 4496 powershell.exe 4496 powershell.exe 4088 powershell.exe 4088 powershell.exe 3880 powershell.exe 3880 powershell.exe 1052 powershell.exe 1052 powershell.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4000 csrss.exe 4000 csrss.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4000 csrss.exe 4000 csrss.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4000 csrss.exe 4000 csrss.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe 4152 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2760 powershell.exe Token: SeDebugPrivilege 1128 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Token: SeImpersonatePrivilege 1128 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe Token: SeDebugPrivilege 4852 powershell.exe Token: SeDebugPrivilege 2472 powershell.exe Token: SeDebugPrivilege 4496 powershell.exe Token: SeDebugPrivilege 4088 powershell.exe Token: SeDebugPrivilege 3880 powershell.exe Token: SeDebugPrivilege 1052 powershell.exe Token: SeSystemEnvironmentPrivilege 4000 csrss.exe Token: SeSecurityPrivilege 3300 sc.exe Token: SeSecurityPrivilege 3300 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1128 wrote to memory of 2760 1128 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 82 PID 1128 wrote to memory of 2760 1128 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 82 PID 1128 wrote to memory of 2760 1128 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 82 PID 1920 wrote to memory of 4852 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 87 PID 1920 wrote to memory of 4852 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 87 PID 1920 wrote to memory of 4852 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 87 PID 1920 wrote to memory of 1944 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 89 PID 1920 wrote to memory of 1944 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 89 PID 1944 wrote to memory of 4784 1944 cmd.exe 91 PID 1944 wrote to memory of 4784 1944 cmd.exe 91 PID 1920 wrote to memory of 2472 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 92 PID 1920 wrote to memory of 2472 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 92 PID 1920 wrote to memory of 2472 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 92 PID 1920 wrote to memory of 4496 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 94 PID 1920 wrote to memory of 4496 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 94 PID 1920 wrote to memory of 4496 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 94 PID 1920 wrote to memory of 4000 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 97 PID 1920 wrote to memory of 4000 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 97 PID 1920 wrote to memory of 4000 1920 3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe 97 PID 4000 wrote to memory of 4088 4000 csrss.exe 103 PID 4000 wrote to memory of 4088 4000 csrss.exe 103 PID 4000 wrote to memory of 4088 4000 csrss.exe 103 PID 4000 wrote to memory of 3880 4000 csrss.exe 109 PID 4000 wrote to memory of 3880 4000 csrss.exe 109 PID 4000 wrote to memory of 3880 4000 csrss.exe 109 PID 4000 wrote to memory of 1052 4000 csrss.exe 111 PID 4000 wrote to memory of 1052 4000 csrss.exe 111 PID 4000 wrote to memory of 1052 4000 csrss.exe 111 PID 4000 wrote to memory of 4152 4000 csrss.exe 113 PID 4000 wrote to memory of 4152 4000 csrss.exe 113 PID 1244 wrote to memory of 3420 1244 windefender.exe 119 PID 1244 wrote to memory of 3420 1244 windefender.exe 119 PID 1244 wrote to memory of 3420 1244 windefender.exe 119 PID 3420 wrote to memory of 3300 3420 cmd.exe 120 PID 3420 wrote to memory of 3300 3420 cmd.exe 120 PID 3420 wrote to memory of 3300 3420 cmd.exe 120 -
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\3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe"C:\Users\Admin\AppData\Local\Temp\3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1128 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2760
-
-
C:\Users\Admin\AppData\Local\Temp\3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.exe"C:\Users\Admin\AppData\Local\Temp\3e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8.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:1920 -
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:4852
-
-
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:1944 -
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:4784
-
-
-
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:2472
-
-
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:4496
-
-
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:4000 -
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:4088
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4932
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:688
-
-
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:3880
-
-
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:1052
-
-
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:4152
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3376
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1244 -
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:3420 -
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:3300
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:536
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
MD52931e359f34ac46a6d9cce83941047bb
SHA1dc39fc68f2aed202960ca88030382e27b42d7f36
SHA256c2cc07c5b4e9f46e678bb378c5dd1f6f0dd4523eef39f91455d0efeb3ba82a91
SHA5124159768fc4eab171e81d3f17e52077b1ca634e25f37121dc481bbff45e940abdb1ca0a3c570d94dca72b49e66fd72f5efc67c4b8de2771f9e0c16ac2f9940d9b
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b732aa4d9a300c8c919e0ea78f0f961b
SHA1fa830db16817911520e64766bb23cd2435de0746
SHA25627d94afb22fa0eff3cc30fa6ae8b14d88572a6a94fa34f21f3658e0b46dba478
SHA51211d137387ce08ed289a8bf99f3fa4cab15b07530f84f91305e49a64167ff1e549c3e9b0b723a919e49f5a6d2ecd60faf786a4c140396fbc2ce9ba8d2d92428a1
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a355f7576dd4ecab41ca9e4162f26323
SHA176b2bb0a40a56ad9522670cce8c5ecfa4c2e924f
SHA2565e2ac7c40550ddb3349d4407af632bc52919e13ee07c9ccc8b7a181015676292
SHA512e99c215c9ef78b2446df520dda51e2329dae209e4dbb027134172fa143b3dbe458f8cec4214baab0cac1d72ee98dcf96bb43c4d618fad596514c766fde480993
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57958aa2c6fecb4de7c05cf5b3de733fb
SHA179a5a61c4061d520e6d8e8a0a14d3f3738103f8e
SHA2563245a685226936134e5fed111885947810be20c84085838d21ae4c7666198a3f
SHA5122722ad3fdc9c34a03c7735dacea76374193230e349518b20810c7b8fefab164134a34a069b91ab4aa8dfe2420ad098236d33cc38f5f43d2dce523fe880dfac0e
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5295873c9e6fb6bf1a880c792fc3c0287
SHA160c99454a4847aadba5748198aee91f78fd057fa
SHA256f67bb86b28d519b536921caf61eae994cd6f86dc70f8426587e95c97f8da7ba6
SHA51286aadf473c75aa9a85c9d967fa7ce24eeefa0dbe9aa83d23dcecc72420bcb5dad57384ed60ce917267d95c0d574a0af636bd314b6ee6a5e22e16849b5f6216b1
-
Filesize
4.1MB
MD5ee3bec4db8bdc5f23eec403f8a87fa34
SHA1891f2125bb008fb882dfcc968173bcbabd23fa83
SHA2563e9753548425ad8847df024cd6d869142591aa50ff0524d9e257e799896d0be8
SHA5124236a3c82e390690a7ca4457fcfc08016b091662c806c16230e8fc1b8f9696f1fe908b843691bc7d1e99c52578a740613fd3d1cb2cad44510a5cb1ff28799817
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec