Analysis
-
max time kernel
150s -
max time network
152s -
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 12:39
Static task
static1
Behavioral task
behavioral1
Sample
958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe
Resource
win10v2004-20240426-en
General
-
Target
958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe
-
Size
4.1MB
-
MD5
6f355d5e335b7ebeaa48b360ccda4ecf
-
SHA1
e90f2f095ef002f7002206f94c876b95a6a0df46
-
SHA256
958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b
-
SHA512
b9476859d38f790e827a4a9a767ecf3a8471f53641c048c000e0dc301ba49e6e58cd118c4f5b9337ed5435d12447dd0a00631e40149601ef4117e32d495bba64
-
SSDEEP
98304:kd7tSzSG1TEQyj2soCVZzfOSLUhtCaFAX/iUIATxmmpvA2aCdQuFREnErG:2RMSLQaVNfPUP9FaqUIATxXaCdFFREn/
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4292-2-0x0000000004D50000-0x000000000563B000-memory.dmp family_glupteba behavioral2/memory/4292-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4292-24-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4292-54-0x0000000004D50000-0x000000000563B000-memory.dmp family_glupteba behavioral2/memory/4292-65-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4292-64-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4832-79-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4832-127-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-203-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-214-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4480 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 872 csrss.exe 3264 injector.exe 4504 windefender.exe 3616 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa1c-206.dat upx behavioral2/memory/4504-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3616-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4504-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3616-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3616-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe File created C:\Windows\rss\csrss.exe 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4480 sc.exe -
pid Process 4548 powershell.exe 4340 powershell.exe 960 powershell.exe 1896 powershell.exe 780 powershell.exe 8 powershell.exe 3548 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 1832 schtasks.exe 1116 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" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight 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,-2141 = "Transbaikal Daylight Time" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.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" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.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\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.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,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" 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\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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,-2391 = "Aleutian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.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,-1842 = "Russia TZ 4 Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 8 powershell.exe 8 powershell.exe 4292 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 4292 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 3548 powershell.exe 3548 powershell.exe 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 4548 powershell.exe 4548 powershell.exe 4340 powershell.exe 4340 powershell.exe 960 powershell.exe 960 powershell.exe 1896 powershell.exe 1896 powershell.exe 780 powershell.exe 780 powershell.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 872 csrss.exe 872 csrss.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 872 csrss.exe 872 csrss.exe 3264 injector.exe 3264 injector.exe 872 csrss.exe 872 csrss.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 8 powershell.exe Token: SeDebugPrivilege 4292 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Token: SeImpersonatePrivilege 4292 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe Token: SeDebugPrivilege 3548 powershell.exe Token: SeDebugPrivilege 4548 powershell.exe Token: SeDebugPrivilege 4340 powershell.exe Token: SeDebugPrivilege 960 powershell.exe Token: SeDebugPrivilege 1896 powershell.exe Token: SeDebugPrivilege 780 powershell.exe Token: SeSystemEnvironmentPrivilege 872 csrss.exe Token: SeSecurityPrivilege 4480 sc.exe Token: SeSecurityPrivilege 4480 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4292 wrote to memory of 8 4292 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 79 PID 4292 wrote to memory of 8 4292 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 79 PID 4292 wrote to memory of 8 4292 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 79 PID 4832 wrote to memory of 3548 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 84 PID 4832 wrote to memory of 3548 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 84 PID 4832 wrote to memory of 3548 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 84 PID 4832 wrote to memory of 1892 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 86 PID 4832 wrote to memory of 1892 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 86 PID 1892 wrote to memory of 4480 1892 cmd.exe 88 PID 1892 wrote to memory of 4480 1892 cmd.exe 88 PID 4832 wrote to memory of 4548 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 89 PID 4832 wrote to memory of 4548 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 89 PID 4832 wrote to memory of 4548 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 89 PID 4832 wrote to memory of 4340 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 91 PID 4832 wrote to memory of 4340 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 91 PID 4832 wrote to memory of 4340 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 91 PID 4832 wrote to memory of 872 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 93 PID 4832 wrote to memory of 872 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 93 PID 4832 wrote to memory of 872 4832 958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe 93 PID 872 wrote to memory of 960 872 csrss.exe 94 PID 872 wrote to memory of 960 872 csrss.exe 94 PID 872 wrote to memory of 960 872 csrss.exe 94 PID 872 wrote to memory of 1896 872 csrss.exe 100 PID 872 wrote to memory of 1896 872 csrss.exe 100 PID 872 wrote to memory of 1896 872 csrss.exe 100 PID 872 wrote to memory of 780 872 csrss.exe 102 PID 872 wrote to memory of 780 872 csrss.exe 102 PID 872 wrote to memory of 780 872 csrss.exe 102 PID 872 wrote to memory of 3264 872 csrss.exe 104 PID 872 wrote to memory of 3264 872 csrss.exe 104 PID 4504 wrote to memory of 1684 4504 windefender.exe 110 PID 4504 wrote to memory of 1684 4504 windefender.exe 110 PID 4504 wrote to memory of 1684 4504 windefender.exe 110 PID 1684 wrote to memory of 4480 1684 cmd.exe 111 PID 1684 wrote to memory of 4480 1684 cmd.exe 111 PID 1684 wrote to memory of 4480 1684 cmd.exe 111 -
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\958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe"C:\Users\Admin\AppData\Local\Temp\958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4292 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:8
-
-
C:\Users\Admin\AppData\Local\Temp\958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.exe"C:\Users\Admin\AppData\Local\Temp\958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b.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:4832 -
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:3548
-
-
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:1892 -
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:4480
-
-
-
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:4548
-
-
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:4340
-
-
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:872 -
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:960
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1832
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2468
-
-
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:1896
-
-
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:780
-
-
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:3264
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1116
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4504 -
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:1684 -
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:4480
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3616
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
MD54f1fc433c9b50e0351377c863d01a5f1
SHA11218ebf85b30534d5d7118528036cb7500b7d585
SHA25613aab62bdaa72a0ca347f9f5c136e44fef991606cb960f9f0797e7e07328caf0
SHA5129a8a0c916a1d0a0c2bdae453480422e00acdf18256240e0fc8ae3fa94a417240e9597a71c262616083cb820806c093ace37a19ff1084d0a72c7970b0a0f21dc6
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fd4f56f82d74cb04e7302dd7c071ad4a
SHA1d25c506bda5da60359a567e31b938f0eeebff7bb
SHA25670e012f42df4aa21e52b62d850bdc931e52f3353b26dccf5f4da0c65d30acc39
SHA512176bf2678bd4a8e0f84a33e0d3d7675c44b7d50e9b282f452b897419c46a7eafb802dc74f66c278c8e9c7900f45e75fc0fc3951eab0add81339039ece49a86f2
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fc53e6bb69e00df95cf1de71902ac8ba
SHA19db98331159565bc489b03ac4ae69baea7a26283
SHA25683034bbeece604d1972158447c765c9e3be160975f02679d1f6a037179dc0a7b
SHA512e09f8d5321eec013bfb13831b9fc5672bfc1c99813b08820b8a9c2c8f711a6d4b3cd7ffc7e0c689fa38db921219a71dc31458f640ff9fe2198092f885b9df52b
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d28122fadfe919d2708378dbe0aeec01
SHA12dca741502d948cbb94fdca73decbb1c74eab042
SHA256fc84b293418a0716e5fd00084f99b01d0fa7a51c08375416299a602077eb029c
SHA512c02a92b020f923ec4c62d0b00eb826ad3ec1cb6226a380a878a023fa63ebd8ac3a22dcfe034606a1807ff846393b2de40ab512648cc7a5b598ba839b7187fbe1
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD509111faf139ec8986c560f13ad5c9e85
SHA139466c84bf8fef984962d2df7f875b31bbe2433c
SHA2561e7c9e54331edbcc2856547540edb2f093049e95db62cb707310502f3e715fe9
SHA51228be04ebc4cec3c1afede112a0b38eda46d35f422dc08aba4170db6365864ea2de8460cbe41d26de66acd6f58b6bbcd38b2ef8102ecd870a5e6d421879bb2744
-
Filesize
4.1MB
MD56f355d5e335b7ebeaa48b360ccda4ecf
SHA1e90f2f095ef002f7002206f94c876b95a6a0df46
SHA256958c40de1847d6043c0efceb309f0710351e07ce4e1c4385435df149db0faa1b
SHA512b9476859d38f790e827a4a9a767ecf3a8471f53641c048c000e0dc301ba49e6e58cd118c4f5b9337ed5435d12447dd0a00631e40149601ef4117e32d495bba64
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec