Analysis
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max time kernel
150s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-05-2024 04:48
Static task
static1
Behavioral task
behavioral1
Sample
d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe
Resource
win10v2004-20240426-en
General
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Target
d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe
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Size
4.1MB
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MD5
d59859e804fecf4d697ebcd8c36a95b2
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SHA1
4495b6119895675f772d40fa91256be7343903d9
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SHA256
d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2
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SHA512
f65b814fa79843ffdd2cbf9ad85302c89a7a60541e78f1dcfbc6f2ef726600cd9dda933cdd7c03d97c5606fb723e1ef3954740c69b52ad40248baa07977a875e
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SSDEEP
98304:vquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0q:ALmIkbquibpii2yAk4+2fEKmbl
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/976-2-0x0000000002EB0000-0x000000000379B000-memory.dmp family_glupteba behavioral2/memory/976-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/976-109-0x0000000002EB0000-0x000000000379B000-memory.dmp family_glupteba behavioral2/memory/976-107-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2304-170-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-199-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3784-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4464 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3784 csrss.exe 2964 injector.exe 3456 windefender.exe 1560 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa22-206.dat upx behavioral2/memory/1560-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3456-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3456-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1560-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1560-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\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 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 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 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe File created C:\Windows\rss\csrss.exe d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.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 3496 sc.exe -
pid Process 4292 powershell.exe 2884 powershell.exe 2580 powershell.exe 4280 powershell.exe 4028 powershell.exe 3100 powershell.exe 3404 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 8 schtasks.exe 1412 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,-401 = "Arabic Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight 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)" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.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,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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,-11 = "Azores Daylight 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" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3100 powershell.exe 3100 powershell.exe 976 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 976 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 3404 powershell.exe 3404 powershell.exe 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 4292 powershell.exe 4292 powershell.exe 2884 powershell.exe 2884 powershell.exe 2580 powershell.exe 2580 powershell.exe 4280 powershell.exe 4280 powershell.exe 4028 powershell.exe 4028 powershell.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 3784 csrss.exe 3784 csrss.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 3784 csrss.exe 3784 csrss.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 3784 csrss.exe 3784 csrss.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3100 powershell.exe Token: SeDebugPrivilege 976 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Token: SeImpersonatePrivilege 976 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Token: SeDebugPrivilege 3404 powershell.exe Token: SeDebugPrivilege 4292 powershell.exe Token: SeDebugPrivilege 2884 powershell.exe Token: SeDebugPrivilege 2580 powershell.exe Token: SeDebugPrivilege 4280 powershell.exe Token: SeDebugPrivilege 4028 powershell.exe Token: SeSystemEnvironmentPrivilege 3784 csrss.exe Token: SeSecurityPrivilege 3496 sc.exe Token: SeSecurityPrivilege 3496 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 976 wrote to memory of 3100 976 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 83 PID 976 wrote to memory of 3100 976 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 83 PID 976 wrote to memory of 3100 976 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 83 PID 2304 wrote to memory of 3404 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 88 PID 2304 wrote to memory of 3404 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 88 PID 2304 wrote to memory of 3404 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 88 PID 2304 wrote to memory of 2588 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 90 PID 2304 wrote to memory of 2588 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 90 PID 2588 wrote to memory of 4464 2588 cmd.exe 92 PID 2588 wrote to memory of 4464 2588 cmd.exe 92 PID 2304 wrote to memory of 4292 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 93 PID 2304 wrote to memory of 4292 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 93 PID 2304 wrote to memory of 4292 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 93 PID 2304 wrote to memory of 2884 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 95 PID 2304 wrote to memory of 2884 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 95 PID 2304 wrote to memory of 2884 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 95 PID 2304 wrote to memory of 3784 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 97 PID 2304 wrote to memory of 3784 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 97 PID 2304 wrote to memory of 3784 2304 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 97 PID 3784 wrote to memory of 2580 3784 csrss.exe 98 PID 3784 wrote to memory of 2580 3784 csrss.exe 98 PID 3784 wrote to memory of 2580 3784 csrss.exe 98 PID 3784 wrote to memory of 4280 3784 csrss.exe 104 PID 3784 wrote to memory of 4280 3784 csrss.exe 104 PID 3784 wrote to memory of 4280 3784 csrss.exe 104 PID 3784 wrote to memory of 4028 3784 csrss.exe 106 PID 3784 wrote to memory of 4028 3784 csrss.exe 106 PID 3784 wrote to memory of 4028 3784 csrss.exe 106 PID 3784 wrote to memory of 2964 3784 csrss.exe 108 PID 3784 wrote to memory of 2964 3784 csrss.exe 108 PID 3456 wrote to memory of 3160 3456 windefender.exe 114 PID 3456 wrote to memory of 3160 3456 windefender.exe 114 PID 3456 wrote to memory of 3160 3456 windefender.exe 114 PID 3160 wrote to memory of 3496 3160 cmd.exe 115 PID 3160 wrote to memory of 3496 3160 cmd.exe 115 PID 3160 wrote to memory of 3496 3160 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
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C:\Users\Admin\AppData\Local\Temp\d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe"C:\Users\Admin\AppData\Local\Temp\d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:976 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3100
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C:\Users\Admin\AppData\Local\Temp\d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe"C:\Users\Admin\AppData\Local\Temp\d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.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:2304 -
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:3404
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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:2588 -
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:4464
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4292
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2884
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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:3784 -
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:2580
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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:8
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2984
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4280
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4028
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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:2964
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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:1412
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3456 -
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:3160 -
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:3496
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1560
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
MD5366c833c96ec115500d5d66ec1057d31
SHA177322a3444ae4c6015c00bfde44612994ade23e0
SHA2562526647dae3f5fbe53924ddc3712f1119b80d031a32d3d1ebd31705da10e2b4b
SHA5129096f803265f7f9f8d217e8d7ebebc867b98be44c227ee7cdf67a488407bb4c230ad10aa2d75239519142bd3f895a8f346b94b631f7eda1656d3668c5dfa2f39
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f6c28e4e49581aba74d95545f4c10051
SHA11c049854ebf5308730946e59882a2c1ad987a043
SHA256332f3709c9ad4057bd7a2968f2da5444bb2cc7249fff8a3f8d1acfa3ac80db98
SHA51283bdfd28f7a3b0fb1fac3423d02b47b81a1efe3e23a6c33a16c45076ac0af19720a5cd6cbd144c760ce3d660af2feaafecba046e903e88981d6ea1a9df465116
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD577c85588919daa2479140473338fc218
SHA11d6f8c3f830cee519af4d520d7f23ec5f93eff9e
SHA256f048b70dda1e18ef4638b144f8ed2a23f03d11ba3dd7e24c0b4605c475a86cd4
SHA512261a6f562ce8bc5d11c8a194f51d6b1ed8fffe508f87a74893bb771ac3c24b5b91c7a0c0effaae97463f29b9d161957399d6f180f8a5090c14c6fdd997dabf0d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD504c814dc72e3188d6f952552d712e55b
SHA1bec9ebfaa04bb2322496e3b65c54c3eaa767055d
SHA25649bd8c67be5d98be9be1cb32947a51f7c076aee3ad10d0b97036c9c71363ed66
SHA5122e169c31cd794d4b5449a7606748c4a46c1c1fbbe28e5b9842823fb91b8c6a7c54af8eecb80a7cc90769842570b9c9cea419d40396568e0a582bd82ba0051d55
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD578db12e7fcb4cd135f5692852562b77d
SHA1fd7696f1ae1262b67bb2385c43b22911cb0e2336
SHA2566aeb6779f391af0eb51ed55bad05be9fca66d142cc46582d2539fd0e38411cb0
SHA512d92ad71eacdac785676e66950a81a48e72c77ed910bf0b34b9a4ff428568cd562d2c340fd93b7f7e13b5a45a8d6f4aeb90e7bc8025440cbcc32f1b2d7550f557
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Filesize
4.1MB
MD5d59859e804fecf4d697ebcd8c36a95b2
SHA14495b6119895675f772d40fa91256be7343903d9
SHA256d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2
SHA512f65b814fa79843ffdd2cbf9ad85302c89a7a60541e78f1dcfbc6f2ef726600cd9dda933cdd7c03d97c5606fb723e1ef3954740c69b52ad40248baa07977a875e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec