Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
06/04/2024, 13:18
Static task
static1
Behavioral task
behavioral1
Sample
9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe
Resource
win10v2004-20240226-en
General
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Target
9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe
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Size
4.2MB
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MD5
e11814d3050c19c78869110e0a75efba
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SHA1
1aa8ef86ea3a347fe3d1a8eb9afa29dfe8717bdb
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SHA256
9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a
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SHA512
78880f26ddd638fc19ab9bd7e32ea0ffac0fe01de9854806ba174a15198c020af736c4a18791defb31782d3ec5b67f747e4a3456eb196c1668d874c40dfb9211
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SSDEEP
98304:E2WkpxOBzrk5qjLCQZfkIPAIpyMRpP26xj6EOgi:9Lg2A3CyMIPAqjZNROZ
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3724-2-0x0000000005220000-0x0000000005B0B000-memory.dmp family_glupteba behavioral2/memory/3724-3-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/3724-51-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/3724-53-0x0000000005220000-0x0000000005B0B000-memory.dmp family_glupteba behavioral2/memory/1336-55-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/1336-137-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/1336-148-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/3992-151-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/3992-238-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/3992-254-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/3992-257-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/3992-261-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/3992-265-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/3992-269-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/3992-273-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/3992-277-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/3992-281-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/3992-284-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/3992-290-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1504 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3992 csrss.exe 1504 injector.exe 1092 windefender.exe 2320 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a78c-247.dat upx behavioral2/memory/1092-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2320-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2320-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2320-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\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 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 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe File created C:\Windows\rss\csrss.exe 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe File created 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 3516 sc.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 1992 schtasks.exe 3044 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\22\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1832 powershell.exe 1832 powershell.exe 3724 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 3724 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 744 powershell.exe 744 powershell.exe 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 4980 powershell.exe 4980 powershell.exe 872 powershell.exe 872 powershell.exe 912 powershell.exe 912 powershell.exe 1236 powershell.exe 1236 powershell.exe 1012 powershell.exe 1012 powershell.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 3992 csrss.exe 1504 injector.exe 1504 injector.exe 3992 csrss.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 3992 csrss.exe 3992 csrss.exe 1504 injector.exe 1504 injector.exe 3992 csrss.exe 3992 csrss.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1832 powershell.exe Token: SeDebugPrivilege 3724 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Token: SeImpersonatePrivilege 3724 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Token: SeDebugPrivilege 744 powershell.exe Token: SeDebugPrivilege 4980 powershell.exe Token: SeDebugPrivilege 872 powershell.exe Token: SeDebugPrivilege 912 powershell.exe Token: SeDebugPrivilege 1236 powershell.exe Token: SeDebugPrivilege 1012 powershell.exe Token: SeSystemEnvironmentPrivilege 3992 csrss.exe Token: SeSecurityPrivilege 3516 sc.exe Token: SeSecurityPrivilege 3516 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3724 wrote to memory of 1832 3724 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 79 PID 3724 wrote to memory of 1832 3724 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 79 PID 3724 wrote to memory of 1832 3724 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 79 PID 1336 wrote to memory of 744 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 84 PID 1336 wrote to memory of 744 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 84 PID 1336 wrote to memory of 744 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 84 PID 1336 wrote to memory of 2544 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 86 PID 1336 wrote to memory of 2544 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 86 PID 2544 wrote to memory of 1504 2544 cmd.exe 88 PID 2544 wrote to memory of 1504 2544 cmd.exe 88 PID 1336 wrote to memory of 4980 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 89 PID 1336 wrote to memory of 4980 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 89 PID 1336 wrote to memory of 4980 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 89 PID 1336 wrote to memory of 872 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 91 PID 1336 wrote to memory of 872 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 91 PID 1336 wrote to memory of 872 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 91 PID 1336 wrote to memory of 3992 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 93 PID 1336 wrote to memory of 3992 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 93 PID 1336 wrote to memory of 3992 1336 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 93 PID 3992 wrote to memory of 912 3992 csrss.exe 94 PID 3992 wrote to memory of 912 3992 csrss.exe 94 PID 3992 wrote to memory of 912 3992 csrss.exe 94 PID 3992 wrote to memory of 1236 3992 csrss.exe 100 PID 3992 wrote to memory of 1236 3992 csrss.exe 100 PID 3992 wrote to memory of 1236 3992 csrss.exe 100 PID 3992 wrote to memory of 1012 3992 csrss.exe 102 PID 3992 wrote to memory of 1012 3992 csrss.exe 102 PID 3992 wrote to memory of 1012 3992 csrss.exe 102 PID 3992 wrote to memory of 1504 3992 csrss.exe 104 PID 3992 wrote to memory of 1504 3992 csrss.exe 104 PID 1092 wrote to memory of 2028 1092 windefender.exe 110 PID 1092 wrote to memory of 2028 1092 windefender.exe 110 PID 1092 wrote to memory of 2028 1092 windefender.exe 110 PID 2028 wrote to memory of 3516 2028 cmd.exe 111 PID 2028 wrote to memory of 3516 2028 cmd.exe 111 PID 2028 wrote to memory of 3516 2028 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
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C:\Users\Admin\AppData\Local\Temp\9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe"C:\Users\Admin\AppData\Local\Temp\9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3724 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1832
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C:\Users\Admin\AppData\Local\Temp\9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe"C:\Users\Admin\AppData\Local\Temp\9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.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:1336 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:744
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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:2544 -
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:1504
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4980
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:872
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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:3992 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:912
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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:3044
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4720
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1236
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1012
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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:1504
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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:1992
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1092 -
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:2028 -
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:3516
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2320
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
MD5430f3eda5731905f6b752da2bc7d2638
SHA195051ed2363c2cabeea3e7ea8aefe6aaa537cb38
SHA2565801b8d56be21b9608b533fd1b0dac146309fdb8ab395c3fe9902ab5b95dd760
SHA512dfd3b3f45b113da51acf461a279484359acf81fcd1d8a4dfbd0c162ddef4f90ea2e20b50bf2a9325e12d92a704fdabbeae5d5e4140f5a72a4b3f39ed051ba4db
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59ad85d0c014d3363fd6f2a0d3eabe5c8
SHA1bac61ff84caf029cbb127f2aba6e95bd7ecd4f93
SHA256821589e13b78b19135194cf9b81ce849986aa401ddcc71e17c3b946f889e88c0
SHA51242048d2dff615f7fb4875c3747aad5e4eb9aee6e7d5840b5f67af518307123db39b27c47804658816ca68d31ab266e5fa051b0cd14fd71af945566a456eeef79
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d61bd4a760fb1e57c7950ada3730d6f7
SHA18569661eeaf9b764342dbfa40c93b64a0f0d1ab3
SHA2561bae75f9db45a95762e92d9c94792946841ac0bdb5713a4a8cfabbd1aa5ef7a3
SHA5120658b09c25d49799b5cb09642aa416567c243f6a782c35d27fafc2a0534c2a36dce0af9d26ddd64a2da8fa3b6ff79ec115eb49b479ddba3b4793cac9f2c2c376
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bc87756c0f6a523ef7c5238a42e9d276
SHA1259bd964b05e0e1c8fa55820bff53c80e058e291
SHA256f3ca5692ebd48dbc15fc15de761bce72d585bdbec603004dc722755b5c93fe9b
SHA512e98bc0e694747e21e466ee7ce1dfc6c5469ba4d86d9dc849545b1836d617579057f70a8ea0a13d0291e0cda25b769817fc7f3f6243ae7a3daf4098e927cc7cd7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD529cedb7ec2e36e0af6cadf493c42a914
SHA1a26a6beb6590a1fe38e32e6d8bbd0fdb7a666541
SHA256ae87f4f176e9c7e05d18a08db5e2af9f1a4d7a8538215126c9b60ccbe924d3c3
SHA512215e8b19e91add68d5c39156175d3387578f74c11c568a2872ba6ad5c242e97a1808a9c35ce6f47b63acbd4a1566c3847cc29641ae429eeadbbe82dcc6830afe
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Filesize
4.2MB
MD5e11814d3050c19c78869110e0a75efba
SHA11aa8ef86ea3a347fe3d1a8eb9afa29dfe8717bdb
SHA2569c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a
SHA51278880f26ddd638fc19ab9bd7e32ea0ffac0fe01de9854806ba174a15198c020af736c4a18791defb31782d3ec5b67f747e4a3456eb196c1668d874c40dfb9211
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec