Analysis
-
max time kernel
150s -
max time network
150s -
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 12:57
Static task
static1
Behavioral task
behavioral1
Sample
66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe
Resource
win10v2004-20240508-en
General
-
Target
66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe
-
Size
4.1MB
-
MD5
745012f48c9d3edf10326400d8ff2035
-
SHA1
3d14605c4eb845ef46bfd2b803e138adae326cb3
-
SHA256
66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad
-
SHA512
9a926b44f87f151d09fe8306a4618e6af8c93cbf44dec44b6ac009e426e07a7d13c50125837dcf5bb0c724daba5d2195159c49765fed49fee287d52c3cd566f7
-
SSDEEP
98304:PBVs1p4PpCxl89qkqVHLjfQjDTn2r+Nbo:5a1p4P0l8MfVLMTro
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2748-2-0x0000000004DC0000-0x00000000056AB000-memory.dmp family_glupteba behavioral2/memory/2748-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2748-24-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2748-54-0x0000000004DC0000-0x00000000056AB000-memory.dmp family_glupteba behavioral2/memory/2748-64-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2748-79-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4380-78-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4380-130-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2904-141-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2904-206-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2904-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2904-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2904-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2904-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2904-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2904-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2904-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2904-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2904-248-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2396 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2904 csrss.exe 2196 injector.exe 2628 windefender.exe 632 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa06-211.dat upx behavioral2/memory/2628-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2628-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/632-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/632-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/632-240-0x0000000000400000-0x00000000008DF000-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\"" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe File created C:\Windows\rss\csrss.exe 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.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 2804 sc.exe -
pid Process 1640 powershell.exe 4960 powershell.exe 4756 powershell.exe 2740 powershell.exe 3416 powershell.exe 3148 powershell.exe 760 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 2788 schtasks.exe 5092 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,-1822 = "Russia TZ 1 Standard Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.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,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.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,-2181 = "Astrakhan Daylight Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.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,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal 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" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.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,-365 = "Middle East Standard Time" windefender.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,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes 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" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.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,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4756 powershell.exe 4756 powershell.exe 2748 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 2748 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 2740 powershell.exe 2740 powershell.exe 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 3416 powershell.exe 3416 powershell.exe 3148 powershell.exe 3148 powershell.exe 760 powershell.exe 760 powershell.exe 1640 powershell.exe 1640 powershell.exe 4960 powershell.exe 4960 powershell.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2904 csrss.exe 2904 csrss.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2904 csrss.exe 2904 csrss.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2904 csrss.exe 2904 csrss.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe 2196 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4756 powershell.exe Token: SeDebugPrivilege 2748 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Token: SeImpersonatePrivilege 2748 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe Token: SeDebugPrivilege 2740 powershell.exe Token: SeDebugPrivilege 3416 powershell.exe Token: SeDebugPrivilege 3148 powershell.exe Token: SeDebugPrivilege 760 powershell.exe Token: SeDebugPrivilege 1640 powershell.exe Token: SeDebugPrivilege 4960 powershell.exe Token: SeSystemEnvironmentPrivilege 2904 csrss.exe Token: SeSecurityPrivilege 2804 sc.exe Token: SeSecurityPrivilege 2804 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2748 wrote to memory of 4756 2748 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 83 PID 2748 wrote to memory of 4756 2748 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 83 PID 2748 wrote to memory of 4756 2748 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 83 PID 4380 wrote to memory of 2740 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 88 PID 4380 wrote to memory of 2740 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 88 PID 4380 wrote to memory of 2740 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 88 PID 4380 wrote to memory of 4280 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 90 PID 4380 wrote to memory of 4280 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 90 PID 4280 wrote to memory of 2396 4280 cmd.exe 92 PID 4280 wrote to memory of 2396 4280 cmd.exe 92 PID 4380 wrote to memory of 3416 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 93 PID 4380 wrote to memory of 3416 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 93 PID 4380 wrote to memory of 3416 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 93 PID 4380 wrote to memory of 3148 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 95 PID 4380 wrote to memory of 3148 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 95 PID 4380 wrote to memory of 3148 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 95 PID 4380 wrote to memory of 2904 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 97 PID 4380 wrote to memory of 2904 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 97 PID 4380 wrote to memory of 2904 4380 66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe 97 PID 2904 wrote to memory of 760 2904 csrss.exe 98 PID 2904 wrote to memory of 760 2904 csrss.exe 98 PID 2904 wrote to memory of 760 2904 csrss.exe 98 PID 2904 wrote to memory of 1640 2904 csrss.exe 104 PID 2904 wrote to memory of 1640 2904 csrss.exe 104 PID 2904 wrote to memory of 1640 2904 csrss.exe 104 PID 2904 wrote to memory of 4960 2904 csrss.exe 106 PID 2904 wrote to memory of 4960 2904 csrss.exe 106 PID 2904 wrote to memory of 4960 2904 csrss.exe 106 PID 2904 wrote to memory of 2196 2904 csrss.exe 108 PID 2904 wrote to memory of 2196 2904 csrss.exe 108 PID 2628 wrote to memory of 3120 2628 windefender.exe 114 PID 2628 wrote to memory of 3120 2628 windefender.exe 114 PID 2628 wrote to memory of 3120 2628 windefender.exe 114 PID 3120 wrote to memory of 2804 3120 cmd.exe 115 PID 3120 wrote to memory of 2804 3120 cmd.exe 115 PID 3120 wrote to memory of 2804 3120 cmd.exe 115 -
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\66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe"C:\Users\Admin\AppData\Local\Temp\66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4756
-
-
C:\Users\Admin\AppData\Local\Temp\66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.exe"C:\Users\Admin\AppData\Local\Temp\66b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad.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:4380 -
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:2740
-
-
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:4280 -
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:2396
-
-
-
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:3416
-
-
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:3148
-
-
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:2904 -
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:760
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2788
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1996
-
-
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:1640
-
-
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:4960
-
-
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:2196
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5092
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2628 -
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:3120 -
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:2804
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:632
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b28d1d3492fe94e531c5fc363db626b8
SHA1383851ffa5dae94d1769cffd3e3ec32b90cdaff1
SHA256cd1357488c19f2ff8025e8a4ea695acb8b0c3f38f862b8fab49ec1e810a03352
SHA5122e1d85c148de97ded93cbbbe0121d451b65c1f473dfde8d089c667c0e1f034509a8168f63dbbfa34bb2d94f42e6fde96eca3270bcf562bb33b210d260b86e630
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a3ace166bb556a10ac24728b85625b28
SHA1a941ce3390dd28879422bce44cc9578754140820
SHA256a1ba88862f836dec9349d9a6999f9034428f107ecaab814f50b4d73cc7219721
SHA51226e14b5fbe04fb45329a74e881173946ce06117cd74ef789c21a1d1acb0a752060fc5d52523dd68f5fa40c5f6f19b62c63ac4c157b5a875abba492fa9133b3f9
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dca81eb8e5bb374180bb94ce073942a5
SHA1a5e9c197bb2e8f9964c60245327eedda56bc4707
SHA256921de864a86ab2919cc280eff718b523a13131ea456c2dbc7756df1dbca14fb9
SHA5128a3d0a75b61fbc4cd0eecf2d800e9d81873c7f41e45e2fca7fa5d639cf70721fd880850183e4e1f25222372f03d0f87b3e75e8a4864720da19b3ac6c4d131ab6
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54a48624ddfb4395ccd6b99094026e833
SHA19656e7b2d52c4279bf7d58dd6d32d7662d48cbbd
SHA256f538aeb6729087e38bd0c4f3f9b663d81c1775b79c162e99d23429be20181883
SHA5124f31e0306ed04038e34af4505bfab89a3c51cc7098db91765f7780a61788cc8012a3676fd692df0e0d7b3bda5097be9f315f9726af91f5c789cbe7cfed069b9b
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58cfb608ddac0fc4cbfd542f2c8ca9825
SHA180d8bb6ab392c98a4960a36264c55e09777769c4
SHA2562f5c5dfc4e05436f1cf390a95149634a71d5397441af2c0bbeb8556469b4bebc
SHA512d643f2e72aee294de52cc4f5be857f8ebea36d4f47d6b0f8d70f846f78690ecf3af7bacbd2dbce69467500e02f5ecd4a822e08377231df1a6b87be488f9298bc
-
Filesize
4.1MB
MD5745012f48c9d3edf10326400d8ff2035
SHA13d14605c4eb845ef46bfd2b803e138adae326cb3
SHA25666b76a23140a8ec2d08de911db962e217fc2e8674eea972cfab581c6cb4f15ad
SHA5129a926b44f87f151d09fe8306a4618e6af8c93cbf44dec44b6ac009e426e07a7d13c50125837dcf5bb0c724daba5d2195159c49765fed49fee287d52c3cd566f7
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec