glupteba | 98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836

General

Target

98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Size

5.0MB
MD5

ed1f0a0037c07611763cb8f21ea92798
SHA1

4e365dc665d1e138115a061cac86b362af035f8e
SHA256

98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836
SHA512

ae227bafb233fd5bd2ef0d304a20e01812454c110c38d7351178eb2d69a25769520c201b0c2e6170cd408995a698c2b8a1be7f8a3aaf1270540a9eae83f3ef8a

Score

10^/10

glupteba dropper evasion loader persistence suricata trojan

Malware Config

Signatures

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

Glupteba payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/960-57-0x0000000000400000-0x0000000001113000-memory.dmp	family_glupteba
behavioral1/memory/960-58-0x0000000000400000-0x0000000001113000-memory.dmp	family_glupteba
behavioral1/memory/560-69-0x0000000000400000-0x0000000001113000-memory.dmp	family_glupteba
behavioral1/memory/560-70-0x0000000000400000-0x0000000001113000-memory.dmp	family_glupteba
behavioral1/memory/268-76-0x0000000000400000-0x0000000001113000-memory.dmp	family_glupteba
behavioral1/memory/268-77-0x0000000000400000-0x0000000001113000-memory.dmp	family_glupteba

Windows security bypass 2 TTPs 12 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\NamelessField = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\cloudnet.exe = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe

suricata: ET MALWARE Glupteba CnC Domain in DNS Lookup
suricata: ET MALWARE Glupteba CnC Domain in DNS Lookup
suricata
Executes dropped EXE 1 IoCs

Processes:

csrss.exe

pid process

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

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1148 netsh.exe

pid	process
268	csrss.exe

pid	process
1148	netsh.exe

Loads dropped DLL 2 IoCs

Processes:

98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe

pid	process
560	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
560	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe

Windows security modification 2 TTPs 12 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\NamelessField = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\cloudnet.exe = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows\CurrentVersion\Run\NamelessField = "\"C:\\Windows\\rss\\csrss.exe\""	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.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\MetaData\94308059B57B3142E455B38A6EB92015	csrss.exe
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

Drops file in Windows directory 3 IoCs

Processes:

98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exemakecab.exe

description	ioc	process
File opened for modification	C:\Windows\rss	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
File created	C:\Windows\rss\csrss.exe	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
File created	C:\Windows\Logs\CBS\CbsPersist_20220725042932.cab	makecab.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.execsrss.exenetsh.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.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"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-422 = "Russian Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-471 = "Ekaterinburg Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-4 = "1.0"	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-552 = "North Asia Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.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\SYSTEM\CurrentControlSet\Control\NetTrace\Session	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.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,-281 = "Central Europe Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.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,-472 = "Ekaterinburg Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	csrss.exe

Modifies system certificate store 2 TTPs 4 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 = 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	csrss.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.execsrss.exe

pid	process
960	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
960	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
960	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
960	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
560	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
560	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
560	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
268	csrss.exe
268	csrss.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe

description	pid	process
Token: SeDebugPrivilege	960	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
Token: SeImpersonatePrivilege	960	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.execmd.exe

description	pid	process	target process
PID 560 wrote to memory of 1532	560	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe	cmd.exe
PID 560 wrote to memory of 1532	560	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe	cmd.exe
PID 560 wrote to memory of 1532	560	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe	cmd.exe
PID 560 wrote to memory of 1532	560	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe	cmd.exe
PID 1532 wrote to memory of 1148	1532	cmd.exe	netsh.exe
PID 1532 wrote to memory of 1148	1532	cmd.exe	netsh.exe
PID 1532 wrote to memory of 1148	1532	cmd.exe	netsh.exe
PID 560 wrote to memory of 268	560	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe	csrss.exe
PID 560 wrote to memory of 268	560	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe	csrss.exe
PID 560 wrote to memory of 268	560	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe	csrss.exe
PID 560 wrote to memory of 268	560	98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe	csrss.exe

C:\Users\Admin\AppData\Local\Temp\98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
"C:\Users\Admin\AppData\Local\Temp\98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:960

C:\Users\Admin\AppData\Local\Temp\98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.exe
"C:\Users\Admin\AppData\Local\Temp\98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836.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:560

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:1532

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:1148

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:268

C:\Windows\system32\makecab.exe
"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20220725042932.log C:\Windows\Logs\CBS\CbsPersist_20220725042932.cab
1⤵
- Drops file in Windows directory
PID:1280

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
5.0MB

MD5
ed1f0a0037c07611763cb8f21ea92798

SHA1
4e365dc665d1e138115a061cac86b362af035f8e

SHA256
98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836

SHA512
ae227bafb233fd5bd2ef0d304a20e01812454c110c38d7351178eb2d69a25769520c201b0c2e6170cd408995a698c2b8a1be7f8a3aaf1270540a9eae83f3ef8a

Download Submit
\Windows\rss\csrss.exe
Filesize
5.0MB

MD5
ed1f0a0037c07611763cb8f21ea92798

SHA1
4e365dc665d1e138115a061cac86b362af035f8e

SHA256
98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836

SHA512
ae227bafb233fd5bd2ef0d304a20e01812454c110c38d7351178eb2d69a25769520c201b0c2e6170cd408995a698c2b8a1be7f8a3aaf1270540a9eae83f3ef8a

Download Submit
\Windows\rss\csrss.exe
Filesize
5.0MB

MD5
ed1f0a0037c07611763cb8f21ea92798

SHA1
4e365dc665d1e138115a061cac86b362af035f8e

SHA256
98390e5008cdcc1bf8d1dd153604af94ac789463c15244d1ac0fa29eeba83836

SHA512
ae227bafb233fd5bd2ef0d304a20e01812454c110c38d7351178eb2d69a25769520c201b0c2e6170cd408995a698c2b8a1be7f8a3aaf1270540a9eae83f3ef8a

Download Submit
memory/268-77-0x0000000000400000-0x0000000001113000-memory.dmp

Filesize
13.1MB

Download
memory/268-76-0x0000000000400000-0x0000000001113000-memory.dmp

Filesize
13.1MB

Download
memory/268-75-0x0000000002F30000-0x00000000032C7000-memory.dmp

Filesize
3.6MB

Download
memory/268-74-0x0000000002F30000-0x00000000033F9000-memory.dmp

Filesize
4.8MB

Download
memory/268-73-0x0000000000400000-0x0000000001113000-memory.dmp

Filesize
13.1MB

Download
memory/268-67-0x0000000000000000-mapping.dmp

Download
memory/560-60-0x0000000002EC0000-0x0000000003389000-memory.dmp

Filesize
4.8MB

Download
memory/560-70-0x0000000000400000-0x0000000001113000-memory.dmp

Filesize
13.1MB

Download
memory/560-59-0x0000000000400000-0x0000000001113000-memory.dmp

Filesize
13.1MB

Download
memory/560-72-0x0000000002EC0000-0x0000000003257000-memory.dmp

Filesize
3.6MB

Download
memory/560-61-0x0000000002EC0000-0x0000000003257000-memory.dmp

Filesize
3.6MB

Download
memory/560-71-0x0000000034780000-0x0000000035493000-memory.dmp

Filesize
13.1MB

Download
memory/560-69-0x0000000000400000-0x0000000001113000-memory.dmp

Filesize
13.1MB

Download
memory/960-54-0x0000000000400000-0x0000000001113000-memory.dmp

Filesize
13.1MB

Download
memory/960-58-0x0000000000400000-0x0000000001113000-memory.dmp

Filesize
13.1MB

Download
memory/960-57-0x0000000000400000-0x0000000001113000-memory.dmp

Filesize
13.1MB

Download
memory/960-56-0x0000000002EE0000-0x0000000003277000-memory.dmp

Filesize
3.6MB

Download
memory/960-55-0x0000000002EE0000-0x00000000033A9000-memory.dmp

Filesize
4.8MB

Download
memory/1148-64-0x000007FEFBF71000-0x000007FEFBF73000-memory.dmp

Filesize
8KB

Download
memory/1148-63-0x0000000000000000-mapping.dmp

Download
memory/1532-62-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads