Analysis
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max time kernel
150s -
max time network
139s -
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, 19:23
Static task
static1
Behavioral task
behavioral1
Sample
4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe
Resource
win10v2004-20240426-en
General
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Target
4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe
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Size
4.1MB
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MD5
d83946b785aa670464c0ee497ae0026a
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SHA1
2b48bfb70b8c7f0bbf5e90fc352c9be7135fc751
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SHA256
4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5
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SHA512
327aae9846b1f3fe6d60e673b4b7ffb5ee2309b01b9e47974bdc1a9daf58a3516b197b5b7ccc33788b9e3196efed0249d4b19949377fc1029af85effef5eb505
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SSDEEP
98304:/pLl5dh/cY//0ytMliSDJIrO0tWgVy355J08nZmlsCj:hLlNLHtGNcOLFp5JFwlsCj
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1916-2-0x0000000005060000-0x000000000594B000-memory.dmp family_glupteba behavioral2/memory/1916-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1916-50-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/1916-73-0x0000000005060000-0x000000000594B000-memory.dmp family_glupteba behavioral2/memory/4180-99-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4180-125-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/1916-128-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2072-154-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2072-184-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2072-195-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2072-198-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2072-201-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2072-204-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2072-207-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2072-210-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2072-213-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2072-216-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2072-219-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2072-222-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2116 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2072 csrss.exe 2592 injector.exe 4616 windefender.exe 456 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9e2-187.dat upx behavioral2/memory/4616-188-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/456-191-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4616-193-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/456-197-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/456-202-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\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 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created 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 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe File created C:\Windows\rss\csrss.exe 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.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 1144 sc.exe -
pid Process 2236 powershell.exe 2216 powershell.exe 1588 powershell.exe 4240 powershell.exe 2176 powershell.exe 3136 powershell.exe 4480 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 3100 schtasks.exe 2540 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,-1971 = "Belarus Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.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" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.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,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo 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" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.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,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.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,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1588 powershell.exe 1588 powershell.exe 1916 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 1916 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 4240 powershell.exe 4240 powershell.exe 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 2176 powershell.exe 2176 powershell.exe 3136 powershell.exe 3136 powershell.exe 2236 powershell.exe 2236 powershell.exe 2216 powershell.exe 2216 powershell.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2072 csrss.exe 2592 injector.exe 2072 csrss.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2072 csrss.exe 2072 csrss.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2072 csrss.exe 2072 csrss.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe 2592 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 1588 powershell.exe Token: SeDebugPrivilege 1916 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Token: SeImpersonatePrivilege 1916 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe Token: SeDebugPrivilege 4240 powershell.exe Token: SeDebugPrivilege 2176 powershell.exe Token: SeDebugPrivilege 3136 powershell.exe Token: SeDebugPrivilege 2236 powershell.exe Token: SeDebugPrivilege 2216 powershell.exe Token: SeSystemEnvironmentPrivilege 2072 csrss.exe Token: SeSecurityPrivilege 1144 sc.exe Token: SeSecurityPrivilege 1144 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1916 wrote to memory of 1588 1916 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 82 PID 1916 wrote to memory of 1588 1916 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 82 PID 1916 wrote to memory of 1588 1916 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 82 PID 4180 wrote to memory of 4240 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 87 PID 4180 wrote to memory of 4240 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 87 PID 4180 wrote to memory of 4240 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 87 PID 4180 wrote to memory of 4068 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 89 PID 4180 wrote to memory of 4068 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 89 PID 4068 wrote to memory of 2116 4068 cmd.exe 91 PID 4068 wrote to memory of 2116 4068 cmd.exe 91 PID 4180 wrote to memory of 2176 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 92 PID 4180 wrote to memory of 2176 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 92 PID 4180 wrote to memory of 2176 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 92 PID 4180 wrote to memory of 3136 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 94 PID 4180 wrote to memory of 3136 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 94 PID 4180 wrote to memory of 3136 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 94 PID 4180 wrote to memory of 2072 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 96 PID 4180 wrote to memory of 2072 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 96 PID 4180 wrote to memory of 2072 4180 4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe 96 PID 2072 wrote to memory of 4480 2072 csrss.exe 97 PID 2072 wrote to memory of 4480 2072 csrss.exe 97 PID 2072 wrote to memory of 4480 2072 csrss.exe 97 PID 2072 wrote to memory of 2236 2072 csrss.exe 103 PID 2072 wrote to memory of 2236 2072 csrss.exe 103 PID 2072 wrote to memory of 2236 2072 csrss.exe 103 PID 2072 wrote to memory of 2216 2072 csrss.exe 105 PID 2072 wrote to memory of 2216 2072 csrss.exe 105 PID 2072 wrote to memory of 2216 2072 csrss.exe 105 PID 2072 wrote to memory of 2592 2072 csrss.exe 107 PID 2072 wrote to memory of 2592 2072 csrss.exe 107 PID 4616 wrote to memory of 1720 4616 windefender.exe 113 PID 4616 wrote to memory of 1720 4616 windefender.exe 113 PID 4616 wrote to memory of 1720 4616 windefender.exe 113 PID 1720 wrote to memory of 1144 1720 cmd.exe 114 PID 1720 wrote to memory of 1144 1720 cmd.exe 114 PID 1720 wrote to memory of 1144 1720 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
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C:\Users\Admin\AppData\Local\Temp\4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe"C:\Users\Admin\AppData\Local\Temp\4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1916 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1588
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C:\Users\Admin\AppData\Local\Temp\4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.exe"C:\Users\Admin\AppData\Local\Temp\4ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5.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:4180 -
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:4240
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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:4068 -
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:2116
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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:2176
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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:3136
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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:2072 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
PID:4480
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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:3100
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4104
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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:2236
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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:2216
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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:2592
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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:2540
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4616 -
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:1720 -
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:1144
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:456
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD516952cfb800f8da624cf301d8432b886
SHA1c19cfeab394fc773c9fa2bca661032f5428bfbc8
SHA256dd022d672370c0f58172e80f75ba254417551bfb920389cae39b5c7ef536d11b
SHA512a5ba56b8d8b5c45f0cf191cd03b9d1bdb2b9e17786c1f8e68d33de7088235d4f51b103e86f6afd2dbd1611928c1d7fa2d4bdb2117b8a576927d9dd245bded3d4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c679c5fe11748c6b2994a26c37a3110d
SHA1c5da17ce3a530c1d5ce562955bb9facb9d130d2c
SHA256708a126ccb7218d00e7ac671a88bdda920f170a4f420a02691faf91055800ad5
SHA51291bfce1de8a39ba8a22cab91c915adf3883c9eed23bad847ba5e4d5ab970f32da43de296123062667b23abafe0d36246aec8cb88a5b7265a9bd0f9396b80f381
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52aead030855f1e2fe32500e10ef48af3
SHA1f4f94d1b5d07ea48e10566761993328ddb6072d1
SHA256f79ccda560ac3d0ab5fcbffa650636cc873669513281eb8eecbb38fe0e24c40b
SHA512d120e91c239690859f70e2cf7814e9dd1a875282edc6f18861132a12b22e4244ff2b7cae815363ec2e344decc76552a3c93bd31091d6cef09b2b45f37a4311a0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5024d8e19c9b85a7d0e4c19a428b88cd8
SHA11402996018edc2b4660bc00ce262e12bd57aa2e2
SHA256b1a0cf3ce570470ae12b2fbfd4d315b55d2ead13b06876797def679608b6b433
SHA5123c1068d98d083022bd4ee45a8ed906d4090903ad26358f96d70c33d65fcfc00e1045a16cca0da735e88e711cdec56cf1270c051ecec71726a4c2224d4f6f42a4
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Filesize
4.1MB
MD5d83946b785aa670464c0ee497ae0026a
SHA12b48bfb70b8c7f0bbf5e90fc352c9be7135fc751
SHA2564ce75530c839056bad57b070e33931e0c65e8a23fdd8cdbbb98fddc432c527c5
SHA512327aae9846b1f3fe6d60e673b4b7ffb5ee2309b01b9e47974bdc1a9daf58a3516b197b5b7ccc33788b9e3196efed0249d4b19949377fc1029af85effef5eb505
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec