glupteba | afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9

Analysis

max time kernel
150s
max time network
139s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
28-01-2023 21:23

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General

Target

afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Size

4.1MB
MD5

726b5355e0480af67f10df89698efccc
SHA1

c110d6062d753738bcdd5ce8d748e7c77cf93428
SHA256

afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9
SHA512

fb46957b57119d8e3edf4462534b5d4cfaee7b97863c94c4289d9e8e363c9adf9fe7b21ff578bd937018fd668a7b320367dbc0e92cbf89640db6515e02913564
SSDEEP

98304:LnA6Nzgkpu1YiCPL2q+9zfEuZBbp7RQjRY3d1bt1dYG4Xy1wD:LNNzC1YiCJ+xZxQjCYJ

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:

afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe = "0"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

792 csrss.exe
2692 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4016 netsh.exe

pid	process
792	csrss.exe
2692	injector.exe

pid	process
4016	netsh.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe = "0"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

csrss.exeafce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.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:

afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe

description	ioc	process
File opened for modification	C:\Windows\rss	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
File created	C:\Windows\rss\csrss.exe	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.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

2284 schtasks.exe
4024 schtasks.exe

pid	process
2284	schtasks.exe
4024	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	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,-392 = "Arab Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	csrss.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	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,-104 = "Central Brazilian Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exeafce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exeinjector.execsrss.exe

pid	process
3856	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
3856	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
2928	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
2928	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
2928	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
2928	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
2928	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
2928	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
2928	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
2928	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
2928	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
2928	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
792	csrss.exe
792	csrss.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
792	csrss.exe
792	csrss.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe
2692	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	3856	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Token: SeImpersonatePrivilege	3856	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
Token: SeSystemEnvironmentPrivilege	792	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.execmd.execsrss.exe

description	pid	process	target process
PID 2928 wrote to memory of 3172	2928	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe	cmd.exe
PID 2928 wrote to memory of 3172	2928	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe	cmd.exe
PID 3172 wrote to memory of 4016	3172	cmd.exe	netsh.exe
PID 3172 wrote to memory of 4016	3172	cmd.exe	netsh.exe
PID 2928 wrote to memory of 792	2928	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe	csrss.exe
PID 2928 wrote to memory of 792	2928	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe	csrss.exe
PID 2928 wrote to memory of 792	2928	afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe	csrss.exe
PID 792 wrote to memory of 2692	792	csrss.exe	injector.exe
PID 792 wrote to memory of 2692	792	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
"C:\Users\Admin\AppData\Local\Temp\afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3856

C:\Users\Admin\AppData\Local\Temp\afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.exe
"C:\Users\Admin\AppData\Local\Temp\afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9.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:2928

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:3172

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
PID:4016

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:792

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:2284

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:5004

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:2692

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:4024

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
4.1MB

MD5
726b5355e0480af67f10df89698efccc

SHA1
c110d6062d753738bcdd5ce8d748e7c77cf93428

SHA256
afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9

SHA512
fb46957b57119d8e3edf4462534b5d4cfaee7b97863c94c4289d9e8e363c9adf9fe7b21ff578bd937018fd668a7b320367dbc0e92cbf89640db6515e02913564

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.1MB

MD5
726b5355e0480af67f10df89698efccc

SHA1
c110d6062d753738bcdd5ce8d748e7c77cf93428

SHA256
afce686bc941affbe797b07e3da532f4860f137682434a2059c0208da2e8a8f9

SHA512
fb46957b57119d8e3edf4462534b5d4cfaee7b97863c94c4289d9e8e363c9adf9fe7b21ff578bd937018fd668a7b320367dbc0e92cbf89640db6515e02913564

Download Submit
memory/792-301-0x0000000000000000-mapping.dmp

Download
memory/792-363-0x0000000002D00000-0x00000000030EA000-memory.dmp

Filesize
3.9MB

Download
memory/792-364-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/792-384-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/792-383-0x0000000002D00000-0x00000000030EA000-memory.dmp

Filesize
3.9MB

Download
memory/2692-377-0x0000000000000000-mapping.dmp

Download
memory/2928-299-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2928-298-0x00000000028A0000-0x0000000002C8F000-memory.dmp

Filesize
3.9MB

Download
memory/2928-306-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3172-296-0x0000000000000000-mapping.dmp

Download
memory/3856-156-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-165-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-131-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-132-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-133-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-134-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-136-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-137-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-138-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-139-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-140-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-141-0x0000000002AC0000-0x0000000002EB8000-memory.dmp

Filesize
4.0MB

Download
memory/3856-142-0x0000000002EC0000-0x0000000003737000-memory.dmp

Filesize
8.5MB

Download
memory/3856-143-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3856-144-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-145-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-146-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-147-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-148-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-149-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-150-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-152-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-151-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-153-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-154-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-155-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-129-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-157-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-158-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-159-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-160-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-161-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-162-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-163-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-164-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-130-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-167-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-166-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-168-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-169-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-170-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-171-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-173-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-172-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-176-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-177-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-178-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-175-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-179-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-180-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-181-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-182-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-183-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-174-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-184-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-186-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-128-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-127-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-126-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-125-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-124-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-123-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-122-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-121-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-120-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-187-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-185-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3856-250-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4016-297-0x0000000000000000-mapping.dmp

Download