glupteba | aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1

General

Target

aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Size

6.9MB
MD5

bee2233e0262a8f1c833b709e29ef54c
SHA1

4109c7b526df392948ad5597f9ee290603a97f0f
SHA256

aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1
SHA512

0d9a598d26a9f7fc8c820aed1fbd9346275ae73780855d4447b7e876d844ad05d93bce793ae17d605ae512134a5f4f78ffc67cf44b01c8dd1a05d6dacd56fcf8

Score

10^/10

glupteba dropper evasion loader persistence trojan

Malware Config

Signatures

Glupteba
Glupteba is a modular loader written in Golang with various components.
loader dropper glupteba

Glupteba payload 3 IoCs

Processes:

resource	yara_rule
\Windows\rss\csrss.exe	family_glupteba
C:\Windows\rss\csrss.exe	family_glupteba
\Windows\rss\csrss.exe	family_glupteba

Windows security bypass 2 TTPs 12 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\YoungFire = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\cloudnet.exe = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe

Executes dropped EXE 1 IoCs

Processes:

csrss.exe

pid process

1716 csrss.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

540 netsh.exe

pid	process
1716	csrss.exe

pid	process
540	netsh.exe

Loads dropped DLL 2 IoCs

Processes:

aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe

pid	process
1516	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
1516	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe

Windows security modification 2 TTPs 12 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\cloudnet.exe = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\YoungFire = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows\CurrentVersion\Run\YoungFire = "\"C:\\Windows\\rss\\csrss.exe\""	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe

Drops file in System32 directory 6 IoCs

Processes:

csrss.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015	csrss.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357	csrss.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357	csrss.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E0F5C59F9FA661F6F4C50B87FEF3A15A	csrss.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E0F5C59F9FA661F6F4C50B87FEF3A15A	csrss.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015	csrss.exe

Drops file in Windows directory 3 IoCs

Processes:

aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exemakecab.exe

description	ioc	process
File opened for modification	C:\Windows\rss	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
File created	C:\Windows\rss\csrss.exe	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
File created	C:\Windows\Logs\CBS\CbsPersist_20220731144802.cab	makecab.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.execsrss.exenetsh.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-522 = "N. Central Asia Standard Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-581 = "North Asia East Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-100 = "RD Gateway Quarantine Enforcement Client"	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\eapqec.dll,-102 = "1.0"	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-102 = "Microsoft Corporation"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-1 = "IPsec Relying Party"	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-21 = "Cape Verde Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe

Modifies system certificate store 2 TTPs 6 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

csrss.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	csrss.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	csrss.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	csrss.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 0f00000001000000140000005bcaa1c2780f0bcb5a90770451d96f38963f012d0b000000010000001e000000440053005400200052006f006f0074002000430041002000580033000000090000000100000016000000301406082b0601050507030406082b06010505070301140000000100000014000000c4a7b1a47b2c71fadbe14b9075ffc415608589101d00000001000000100000004558d512eecb27464920897de7b66053030000000100000014000000dac9024f54d8f6df94935fb1732638ca6ad77c1320000000010000004e0300003082034a30820232a003020102021044afb080d6a327ba893039862ef8406b300d06092a864886f70d0101050500303f31243022060355040a131b4469676974616c205369676e617475726520547275737420436f2e311730150603550403130e44535420526f6f74204341205833301e170d3030303933303231313231395a170d3231303933303134303131355a303f31243022060355040a131b4469676974616c205369676e617475726520547275737420436f2e311730150603550403130e44535420526f6f7420434120583330820122300d06092a864886f70d01010105000382010f003082010a0282010100dfafe99750088357b4cc6265f69082ecc7d32c6b30ca5becd9c37dc740c118148be0e83376492ae33f214993ac4e0eaf3e48cb65eefcd3210f65d22ad9328f8ce5f777b0127bb595c089a3a9baed732e7a0c063283a27e8a1430cd11a0e12a38b9790a31fd50bd8065dfb7516383c8e28861ea4b6181ec526bb9a2e24b1a289f48a39e0cda098e3e172e1edd20df5bc62a8aab2ebd70adc50b1a25907472c57b6aab34d63089ffe568137b540bc8d6aeec5a9c921e3d64b38cc6dfbfc94170ec1672d526ec38553943d0fcfd185c40f197ebd59a9b8d1dbada25b9c6d8dfc115023aabda6ef13e2ef55c089c3cd68369e4109b192ab62957e3e53d9b9ff0025d0203010001a3423040300f0603551d130101ff040530030101ff300e0603551d0f0101ff040403020106301d0603551d0e04160414c4a7b1a47b2c71fadbe14b9075ffc41560858910300d06092a864886f70d01010505000382010100a31a2c9b17005ca91eee2866373abf83c73f4bc309a095205de3d95944d23e0d3ebd8a4ba0741fce10829c741a1d7e981addcb134bb32044e491e9ccfc7da5db6ae5fee6fde04eddb7003ab57049aff2e5eb02f1d1028b19cb943a5e48c4181e58195f1e025af00cf1b1ada9dc59868b6ee991f586cafab96633aa595bcee2a7167347cb2bcc99b03748cfe3564bf5cf0f0c723287c6f044bb53726d43f526489a5267b758abfe67767178db0da256141339243185a2a8025a3047e1dd5007bc02099000eb6463609b16bc88c912e6d27d918bf93d328d65b4e97cb15776eac5b62839bf15651cc8f677966a0a8d770bd8910b048e07db29b60aee9d82353510	csrss.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	csrss.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	csrss.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exeaff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.execsrss.exe

pid	process
1612	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
1612	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
1612	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
1612	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
1516	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
1516	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
1516	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
1716	csrss.exe
1716	csrss.exe
1716	csrss.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe

description	pid	process
Token: SeDebugPrivilege	1612	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
Token: SeImpersonatePrivilege	1612	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.execmd.exe

description	pid	process	target process
PID 1516 wrote to memory of 1276	1516	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe	cmd.exe
PID 1516 wrote to memory of 1276	1516	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe	cmd.exe
PID 1516 wrote to memory of 1276	1516	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe	cmd.exe
PID 1516 wrote to memory of 1276	1516	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe	cmd.exe
PID 1276 wrote to memory of 540	1276	cmd.exe	netsh.exe
PID 1276 wrote to memory of 540	1276	cmd.exe	netsh.exe
PID 1276 wrote to memory of 540	1276	cmd.exe	netsh.exe
PID 1516 wrote to memory of 1716	1516	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe	csrss.exe
PID 1516 wrote to memory of 1716	1516	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe	csrss.exe
PID 1516 wrote to memory of 1716	1516	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe	csrss.exe
PID 1516 wrote to memory of 1716	1516	aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe	csrss.exe

C:\Users\Admin\AppData\Local\Temp\aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
"C:\Users\Admin\AppData\Local\Temp\aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1612

C:\Users\Admin\AppData\Local\Temp\aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe
"C:\Users\Admin\AppData\Local\Temp\aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1.exe"
2⤵
- Windows security bypass
- Loads dropped DLL
- Windows security modification
- Adds Run key to start application
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1516

C:\Windows\system32\cmd.exe
C:\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:1276

C:\Windows\system32\netsh.exe
netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
4⤵
- Modifies Windows Firewall
- Modifies data under HKEY_USERS
PID:540

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe ""
3⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:1716

C:\Windows\system32\makecab.exe
"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20220731144802.log C:\Windows\Logs\CBS\CbsPersist_20220731144802.cab
1⤵
- Drops file in Windows directory
PID:892

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

2

T1089

Modify Registry

4

T1112

Install Root Certificate

1

T1130

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Windows\rss\csrss.exe
Filesize
6.9MB

MD5
bee2233e0262a8f1c833b709e29ef54c

SHA1
4109c7b526df392948ad5597f9ee290603a97f0f

SHA256
aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1

SHA512
0d9a598d26a9f7fc8c820aed1fbd9346275ae73780855d4447b7e876d844ad05d93bce793ae17d605ae512134a5f4f78ffc67cf44b01c8dd1a05d6dacd56fcf8

Download Submit
\Windows\rss\csrss.exe
Filesize
6.9MB

MD5
bee2233e0262a8f1c833b709e29ef54c

SHA1
4109c7b526df392948ad5597f9ee290603a97f0f

SHA256
aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1

SHA512
0d9a598d26a9f7fc8c820aed1fbd9346275ae73780855d4447b7e876d844ad05d93bce793ae17d605ae512134a5f4f78ffc67cf44b01c8dd1a05d6dacd56fcf8

Download Submit
\Windows\rss\csrss.exe
Filesize
6.9MB

MD5
bee2233e0262a8f1c833b709e29ef54c

SHA1
4109c7b526df392948ad5597f9ee290603a97f0f

SHA256
aff5bb308e0f881f894a52f88b14ef60838826810259163556f625d41cd769d1

SHA512
0d9a598d26a9f7fc8c820aed1fbd9346275ae73780855d4447b7e876d844ad05d93bce793ae17d605ae512134a5f4f78ffc67cf44b01c8dd1a05d6dacd56fcf8

Download Submit
memory/540-55-0x0000000000000000-mapping.dmp

Download
memory/540-56-0x000007FEFB681000-0x000007FEFB683000-memory.dmp

Filesize
8KB

Download
memory/1276-54-0x0000000000000000-mapping.dmp

Download
memory/1716-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads