glupteba | 9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7

Analysis

max time kernel
150s
max time network
132s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
06-02-2023 05:37

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General

Target

9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Size

4.2MB
MD5

bf38bf13ef6960fc354b501d7d6484f9
SHA1

f115dff73fda57a246d995785f16501cb92243b5
SHA256

9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7
SHA512

bf741f22b2a19886c041f7e6e3e0fd731b8d8e1cab17acf758311da8d32d0c80655d8f6e6f32ec17cc9fa6de97ff370ae6dfd09d35b96427720073f0569ca0d1
SSDEEP

98304:CLx3cnDwn9/ByHY2hoo1qBSZhw3LfPL3VhPwCu9j/P08dL1RYnLvP0D0n:CLxMe/By42hCSUjTFRw99QgLLCvMo

Score

10^/10

glupteba discovery dropper evasion loader persistence trojan

Malware Config

Signatures

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

Windows security bypass 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe = "0"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe

Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4836 netsh.exe
Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

4052 csrss.exe
648 injector.exe

pid	process
4836	netsh.exe

pid	process
4052	csrss.exe
648	injector.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe = "0"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Drops file in Windows directory 2 IoCs

Processes:

9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe

description	ioc	process
File opened for modification	C:\Windows\rss	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
File created	C:\Windows\rss\csrss.exe	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1744 schtasks.exe
2396 schtasks.exe

pid	process
1744	schtasks.exe
2396	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.execsrss.exenetsh.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exeinjector.execsrss.exe

pid	process
2508	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
2508	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
3668	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
3668	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
3668	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
3668	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
3668	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
3668	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
3668	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
3668	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
3668	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
3668	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
4052	csrss.exe
4052	csrss.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
4052	csrss.exe
4052	csrss.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe
648	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2508	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Token: SeImpersonatePrivilege	2508	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
Token: SeSystemEnvironmentPrivilege	4052	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.execmd.execsrss.exe

description	pid	process	target process
PID 3668 wrote to memory of 4796	3668	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe	cmd.exe
PID 3668 wrote to memory of 4796	3668	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe	cmd.exe
PID 4796 wrote to memory of 4836	4796	cmd.exe	netsh.exe
PID 4796 wrote to memory of 4836	4796	cmd.exe	netsh.exe
PID 3668 wrote to memory of 4052	3668	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe	csrss.exe
PID 3668 wrote to memory of 4052	3668	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe	csrss.exe
PID 3668 wrote to memory of 4052	3668	9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe	csrss.exe
PID 4052 wrote to memory of 648	4052	csrss.exe	injector.exe
PID 4052 wrote to memory of 648	4052	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
"C:\Users\Admin\AppData\Local\Temp\9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2508

C:\Users\Admin\AppData\Local\Temp\9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe
"C:\Users\Admin\AppData\Local\Temp\9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7.exe"
2⤵
- Windows security bypass
- 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:3668

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:4796

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:4836

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4052

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
4⤵
- Creates scheduled task(s)
PID:1744

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:1168

C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:648

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
4⤵
- Creates scheduled task(s)
PID:2396

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

T1102

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.2MB

MD5
bf38bf13ef6960fc354b501d7d6484f9

SHA1
f115dff73fda57a246d995785f16501cb92243b5

SHA256
9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7

SHA512
bf741f22b2a19886c041f7e6e3e0fd731b8d8e1cab17acf758311da8d32d0c80655d8f6e6f32ec17cc9fa6de97ff370ae6dfd09d35b96427720073f0569ca0d1

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.2MB

MD5
bf38bf13ef6960fc354b501d7d6484f9

SHA1
f115dff73fda57a246d995785f16501cb92243b5

SHA256
9236435a5d3d3348ad69b8af556528e5507594d309190c4e52a7b8fcb95b02e7

SHA512
bf741f22b2a19886c041f7e6e3e0fd731b8d8e1cab17acf758311da8d32d0c80655d8f6e6f32ec17cc9fa6de97ff370ae6dfd09d35b96427720073f0569ca0d1

Download Submit
memory/648-372-0x0000000000000000-mapping.dmp

Download
memory/2508-154-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2508-153-0x0000000002E90000-0x0000000003707000-memory.dmp

Filesize
8.5MB

Download
memory/2508-120-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-122-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-123-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-124-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-125-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-126-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-127-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-128-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-129-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-130-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-131-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-132-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-133-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-134-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-136-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-137-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-138-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-135-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-121-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-140-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-141-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-142-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-143-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-144-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-145-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-146-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-147-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-157-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-149-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-150-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-151-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-152-0x0000000002AA0000-0x0000000002E8D000-memory.dmp

Filesize
3.9MB

Download
memory/2508-159-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-118-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-155-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-156-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-148-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-115-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-119-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-160-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-161-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-162-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-163-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-164-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-165-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-166-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-167-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-168-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-169-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-170-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-171-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-172-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-173-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-174-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-175-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-176-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-177-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-178-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-179-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-180-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-181-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-182-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-240-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2508-116-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-158-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/2508-117-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3668-301-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3668-293-0x0000000002A20000-0x0000000002E18000-memory.dmp

Filesize
4.0MB

Download
memory/3668-294-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4052-296-0x0000000000000000-mapping.dmp

Download
memory/4052-351-0x0000000003100000-0x00000000034EA000-memory.dmp

Filesize
3.9MB

Download
memory/4052-354-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4052-378-0x0000000003100000-0x00000000034EA000-memory.dmp

Filesize
3.9MB

Download
memory/4052-379-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4796-291-0x0000000000000000-mapping.dmp

Download
memory/4836-292-0x0000000000000000-mapping.dmp

Download