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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
02/05/2024, 16:46
Static task
static1
Behavioral task
behavioral1
Sample
a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe
Resource
win10v2004-20240426-en
General
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Target
a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe
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Size
4.2MB
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MD5
bcce672b9bf60b7d65baed2fec91338c
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SHA1
de2f487f422d070dffca40be4d6cc338ee375de7
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SHA256
a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa
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SHA512
9e336fe670037655e8c9a0b85b1a28334cb68df7ddea1ddf1e5158637ba1a24cd0777ece06da30a9f5b74aa807e0117bcb524ffc887768bb2a18705cd10b5066
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SSDEEP
98304:RaVsjom70ndrBFgOmll6jSga2nxCwdk+mvEBS8Kssb:R+uom74drMJBirk+iEw8W
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/5092-2-0x0000000005030000-0x000000000591B000-memory.dmp family_glupteba behavioral1/memory/5092-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5092-55-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/5092-67-0x0000000005030000-0x000000000591B000-memory.dmp family_glupteba behavioral1/memory/5092-131-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/760-121-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/760-173-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4740-212-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4740-223-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4740-231-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4740-235-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4740-239-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4740-243-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4740-247-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4740-251-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4740-255-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4740-259-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4740-263-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4740-267-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 452 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4740 csrss.exe 2952 injector.exe 2332 windefender.exe 2284 windefender.exe -
resource yara_rule behavioral1/files/0x000b00000002341a-222.dat upx behavioral1/memory/2332-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2284-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2332-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2284-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2284-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2284-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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\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 File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 828 sc.exe -
pid Process 4328 powershell.exe 4884 powershell.exe 3520 powershell.exe 1928 powershell.exe 4572 powershell.exe 980 powershell.exe 3200 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 1712 schtasks.exe 1884 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" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-172 = "Central Standard Time (Mexico)" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.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,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.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,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.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,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.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,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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,-791 = "SA Western 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\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.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,-1892 = "Russia TZ 3 Standard Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3520 powershell.exe 3520 powershell.exe 5092 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 5092 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 1928 powershell.exe 1928 powershell.exe 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 4572 powershell.exe 4572 powershell.exe 980 powershell.exe 980 powershell.exe 3200 powershell.exe 3200 powershell.exe 4328 powershell.exe 4328 powershell.exe 4884 powershell.exe 4884 powershell.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 4740 csrss.exe 4740 csrss.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 4740 csrss.exe 4740 csrss.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 4740 csrss.exe 4740 csrss.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe 2952 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3520 powershell.exe Token: SeDebugPrivilege 5092 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe Token: SeImpersonatePrivilege 5092 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe Token: SeDebugPrivilege 1928 powershell.exe Token: SeDebugPrivilege 4572 powershell.exe Token: SeDebugPrivilege 980 powershell.exe Token: SeDebugPrivilege 3200 powershell.exe Token: SeDebugPrivilege 4328 powershell.exe Token: SeDebugPrivilege 4884 powershell.exe Token: SeSystemEnvironmentPrivilege 4740 csrss.exe Token: SeSecurityPrivilege 828 sc.exe Token: SeSecurityPrivilege 828 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5092 wrote to memory of 3520 5092 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 88 PID 5092 wrote to memory of 3520 5092 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 88 PID 5092 wrote to memory of 3520 5092 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 88 PID 760 wrote to memory of 1928 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 93 PID 760 wrote to memory of 1928 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 93 PID 760 wrote to memory of 1928 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 93 PID 760 wrote to memory of 5072 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 95 PID 760 wrote to memory of 5072 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 95 PID 5072 wrote to memory of 452 5072 cmd.exe 97 PID 5072 wrote to memory of 452 5072 cmd.exe 97 PID 760 wrote to memory of 4572 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 98 PID 760 wrote to memory of 4572 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 98 PID 760 wrote to memory of 4572 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 98 PID 760 wrote to memory of 980 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 100 PID 760 wrote to memory of 980 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 100 PID 760 wrote to memory of 980 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 100 PID 760 wrote to memory of 4740 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 102 PID 760 wrote to memory of 4740 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 102 PID 760 wrote to memory of 4740 760 a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe 102 PID 4740 wrote to memory of 3200 4740 csrss.exe 104 PID 4740 wrote to memory of 3200 4740 csrss.exe 104 PID 4740 wrote to memory of 3200 4740 csrss.exe 104 PID 4740 wrote to memory of 4328 4740 csrss.exe 110 PID 4740 wrote to memory of 4328 4740 csrss.exe 110 PID 4740 wrote to memory of 4328 4740 csrss.exe 110 PID 4740 wrote to memory of 4884 4740 csrss.exe 113 PID 4740 wrote to memory of 4884 4740 csrss.exe 113 PID 4740 wrote to memory of 4884 4740 csrss.exe 113 PID 4740 wrote to memory of 2952 4740 csrss.exe 115 PID 4740 wrote to memory of 2952 4740 csrss.exe 115 PID 2332 wrote to memory of 1916 2332 windefender.exe 121 PID 2332 wrote to memory of 1916 2332 windefender.exe 121 PID 2332 wrote to memory of 1916 2332 windefender.exe 121 PID 1916 wrote to memory of 828 1916 cmd.exe 122 PID 1916 wrote to memory of 828 1916 cmd.exe 122 PID 1916 wrote to memory of 828 1916 cmd.exe 122 -
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\a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe"C:\Users\Admin\AppData\Local\Temp\a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5092 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3520
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C:\Users\Admin\AppData\Local\Temp\a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.exe"C:\Users\Admin\AppData\Local\Temp\a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa.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:760 -
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:1928
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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:5072 -
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:452
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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:4572
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:980
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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:4740 -
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:3200
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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:1712
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1920
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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:4328
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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:4884
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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:2952
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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:1884
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2332 -
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:1916 -
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:828
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2284
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f0c0ff912ec71c694cf6cc144bf3d5b7
SHA141f7d3a8859d815a29b59447196e51450ed29a41
SHA2564ba1bd2cf6609e03f49cbebd5d0c1b5d0016b34deb4e9f2d6db716639f21f879
SHA512e56aad65a849d68e03f316e53f0fdf1d27e291a5f773ee491002ea835705af0a2fe61b33b4b56ef5811730bd864ce7e1d0a5a99010ade971a2c97d9fa21ac450
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56d3cbb9b13dfa3ccc17cf20ae812bc08
SHA1fc6025a36d039b4c0881d03dcb15e05356dfe2bb
SHA256e3d7a3fbbcde701f259a7b1653166eb493537c7a0094c0258ec07fd30fed8931
SHA51236fc55c6bd1b306b96ac9a53bff903ee0e76e52edcd3812a00b9a74f5d289a8efc4d3d897aa9a56613892fbe094f2b02f8575643473dab719bc61a1105d90577
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f01024df90c8f91f7c37252d09a32d71
SHA1fcb58dd9152c96770e628729cd69328977422a67
SHA256c37a178de62a6af7cb30f66f892b634c35361ba602ca67c08622b8daf1f35c41
SHA512a4b45800b4988802009018af159406f3a1c792f67690b17a7998dbeb57d75e3d8f5fd5f6d6029ca147ede96d3a26e67cd5444a753ee57fe1f817664298bed25b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD542dba4389a72933046ded1b95f13ec20
SHA11ab9f56dab6c905496268e8735dea9a3d431e702
SHA256615749409c3235997efeaea105d7d9a2da6b5ed3eb2a11b9ce3fd898b2fc7321
SHA5120c2e7017eade5a4d6c714592edfdbd2ab0aec553578f2cf9d917192ad645cf12f980f92ad19f11753b4e549f1dcc90b702c590c210325cae065e2befacc2bf49
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bd10b7cc5e501df52ad374380fb0c684
SHA15feb35a58794692da8b47581f19bebaaf396a77b
SHA256a264d6fc83d876a3a139965694ccc5bfe20b01c5bbe6ccd75208e5c4cf586a67
SHA51254be02e05ff4bafdfab3cd020fa726ee777f2119b80058cbc26cc7ed51c866de7232d721a07920e5023c1fc7a24272eaccedf540df673b1e85b2a71921d25136
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Filesize
4.2MB
MD5bcce672b9bf60b7d65baed2fec91338c
SHA1de2f487f422d070dffca40be4d6cc338ee375de7
SHA256a1dfed167888eb163ca2133c49c8d9bd1fea8c18b8ddcc95f5d6b88cf825a3aa
SHA5129e336fe670037655e8c9a0b85b1a28334cb68df7ddea1ddf1e5158637ba1a24cd0777ece06da30a9f5b74aa807e0117bcb524ffc887768bb2a18705cd10b5066
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec