glupteba | 4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43

General

Target

4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Size

3.7MB
MD5

0f3c19354bca37d528ca01952ca2adf5
SHA1

6b407d41ea30461940e6550da333795e0a56b9c1
SHA256

4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43
SHA512

fb64589149924605e2f910a558d600b487ca61c7d133087a9e544ff7a0237cebd123e7a7fc681a1bdf8bb5720a7d0569024a0183ede147cc1226e6dfc1133ab3
SSDEEP

98304:PDJQgTe5T8B2TtNzHY5jGctrCSDcxeiBhLf2pTSWJmmf+9:Wqs8B01HSKyrClxnh+pOWJmmf+

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 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1408-56-0x00000000025E0000-0x0000000002CCF000-memory.dmp	family_glupteba
behavioral1/memory/1408-57-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral1/memory/1408-58-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral1/memory/1408-59-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral1/memory/308-65-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral1/memory/308-70-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral1/memory/1016-73-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral1/memory/1016-74-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba

Windows security bypass 2 TTPs 12 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\FragrantLeaf = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\cloudnet.exe = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe

Executes dropped EXE 1 IoCs

Processes:

csrss.exe

pid process

1016 csrss.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

852 netsh.exe

pid	process
1016	csrss.exe

pid	process
852	netsh.exe

Loads dropped DLL 2 IoCs

Processes:

4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe

pid	process
308	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
308	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe

Windows security modification 2 TTPs 12 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\FragrantLeaf = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\cloudnet.exe = "0"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\FragrantLeaf = "\"C:\\Windows\\rss\\csrss.exe\""	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.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:

4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exemakecab.exe

description	ioc	process
File opened for modification	C:\Windows\rss	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
File created	C:\Windows\rss\csrss.exe	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
File created	C:\Windows\Logs\CBS\CbsPersist_20221125164458.cab	makecab.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exenetsh.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-21 = "Cape Verde Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-551 = "North Asia Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace\Session	netsh.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,-365 = "Middle East Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.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"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.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,-161 = "Central Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-582 = "North Asia East Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.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,-661 = "Cen. Australia Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.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,-351 = "FLE Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.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"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-472 = "Ekaterinburg Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.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
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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	csrss.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.execsrss.exe

pid	process
1408	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
1408	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
1408	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
1408	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
308	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
308	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
308	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
1016	csrss.exe
1016	csrss.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe

description	pid	process
Token: SeDebugPrivilege	1408	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Token: SeImpersonatePrivilege	1408	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.execmd.exe

description	pid	process	target process
PID 308 wrote to memory of 1124	308	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe	cmd.exe
PID 308 wrote to memory of 1124	308	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe	cmd.exe
PID 308 wrote to memory of 1124	308	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe	cmd.exe
PID 308 wrote to memory of 1124	308	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe	cmd.exe
PID 1124 wrote to memory of 852	1124	cmd.exe	netsh.exe
PID 1124 wrote to memory of 852	1124	cmd.exe	netsh.exe
PID 1124 wrote to memory of 852	1124	cmd.exe	netsh.exe
PID 308 wrote to memory of 1016	308	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe	csrss.exe
PID 308 wrote to memory of 1016	308	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe	csrss.exe
PID 308 wrote to memory of 1016	308	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe	csrss.exe
PID 308 wrote to memory of 1016	308	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe	csrss.exe

C:\Users\Admin\AppData\Local\Temp\4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
"C:\Users\Admin\AppData\Local\Temp\4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1408

C:\Users\Admin\AppData\Local\Temp\4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
"C:\Users\Admin\AppData\Local\Temp\4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.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:308

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:1124

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:852

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:1016

C:\Windows\system32\makecab.exe
"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20221125164458.log C:\Windows\Logs\CBS\CbsPersist_20221125164458.cab
1⤵
- Drops file in Windows directory
PID:1960

Network

MITRE ATT&CK Enterprise 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

Install Root Certificate

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\rss\csrss.exe
Filesize
3.7MB

MD5
0f3c19354bca37d528ca01952ca2adf5

SHA1
6b407d41ea30461940e6550da333795e0a56b9c1

SHA256
4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43

SHA512
fb64589149924605e2f910a558d600b487ca61c7d133087a9e544ff7a0237cebd123e7a7fc681a1bdf8bb5720a7d0569024a0183ede147cc1226e6dfc1133ab3

Download Submit
\Windows\rss\csrss.exe
Filesize
3.7MB

MD5
0f3c19354bca37d528ca01952ca2adf5

SHA1
6b407d41ea30461940e6550da333795e0a56b9c1

SHA256
4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43

SHA512
fb64589149924605e2f910a558d600b487ca61c7d133087a9e544ff7a0237cebd123e7a7fc681a1bdf8bb5720a7d0569024a0183ede147cc1226e6dfc1133ab3

Download Submit
\Windows\rss\csrss.exe
Filesize
3.7MB

MD5
0f3c19354bca37d528ca01952ca2adf5

SHA1
6b407d41ea30461940e6550da333795e0a56b9c1

SHA256
4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43

SHA512
fb64589149924605e2f910a558d600b487ca61c7d133087a9e544ff7a0237cebd123e7a7fc681a1bdf8bb5720a7d0569024a0183ede147cc1226e6dfc1133ab3

Download Submit
memory/308-64-0x0000000002610000-0x00000000029B4000-memory.dmp

Filesize
3.6MB

Download
memory/308-65-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/308-70-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/308-60-0x0000000002610000-0x00000000029B4000-memory.dmp

Filesize
3.6MB

Download
memory/852-62-0x0000000000000000-mapping.dmp

Download
memory/852-63-0x000007FEFB8A1000-0x000007FEFB8A3000-memory.dmp

Filesize
8KB

Download
memory/1016-71-0x00000000025A0000-0x0000000002944000-memory.dmp

Filesize
3.6MB

Download
memory/1016-68-0x0000000000000000-mapping.dmp

Download
memory/1016-72-0x00000000025A0000-0x0000000002944000-memory.dmp

Filesize
3.6MB

Download
memory/1016-73-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/1016-74-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/1124-61-0x0000000000000000-mapping.dmp

Download
memory/1408-54-0x0000000002230000-0x00000000025D4000-memory.dmp

Filesize
3.6MB

Download
memory/1408-57-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/1408-56-0x00000000025E0000-0x0000000002CCF000-memory.dmp

Filesize
6.9MB

Download
memory/1408-55-0x0000000002230000-0x00000000025D4000-memory.dmp

Filesize
3.6MB

Download
memory/1408-59-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/1408-58-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads