glupteba | 718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392

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
01-02-2023 06:28

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General

Target

718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Size

4.1MB
MD5

5cfd9a8130096f6915d565e20d509ac0
SHA1

655eb1e113a77d166f4dfe4729a597f8f1a89354
SHA256

718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392
SHA512

037b06ff2b39724c52e9868b41a6322f1ae40e589493b2695d6608ae60320a156e0239e8ba3f84f80ee9ca1ec2dd99c2aad313efc7ef054808fb60cfec075e9d
SSDEEP

98304:u3xVCXxo1Kmw3N5BZbayOSHcghKLze3Q26NRw:u3xVCXi1KmwdBT9XKXewN+

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:

718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe = "0"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

5012 csrss.exe
3436 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

5036 netsh.exe

pid	process
5012	csrss.exe
3436	injector.exe

pid	process
5036	netsh.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe = "0"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.execsrss.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\""	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.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\""	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

Drops file in Windows directory 2 IoCs

Processes:

718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe

description	ioc	process
File opened for modification	C:\Windows\rss	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
File created	C:\Windows\rss\csrss.exe	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.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

316 schtasks.exe
1420 schtasks.exe

pid	process
316	schtasks.exe
1420	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

netsh.exe718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.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,-981 = "Kamchatka Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.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"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exeinjector.execsrss.exe

pid	process
1816	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
1816	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
1944	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
1944	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
1944	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
1944	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
1944	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
1944	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
1944	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
1944	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
1944	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
1944	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
5012	csrss.exe
5012	csrss.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
5012	csrss.exe
5012	csrss.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe
3436	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	1816	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Token: SeImpersonatePrivilege	1816	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
Token: SeSystemEnvironmentPrivilege	5012	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.execmd.execsrss.exe

description	pid	process	target process
PID 1944 wrote to memory of 4180	1944	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe	cmd.exe
PID 1944 wrote to memory of 4180	1944	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe	cmd.exe
PID 4180 wrote to memory of 5036	4180	cmd.exe	netsh.exe
PID 4180 wrote to memory of 5036	4180	cmd.exe	netsh.exe
PID 1944 wrote to memory of 5012	1944	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe	csrss.exe
PID 1944 wrote to memory of 5012	1944	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe	csrss.exe
PID 1944 wrote to memory of 5012	1944	718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe	csrss.exe
PID 5012 wrote to memory of 3436	5012	csrss.exe	injector.exe
PID 5012 wrote to memory of 3436	5012	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
"C:\Users\Admin\AppData\Local\Temp\718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1816

C:\Users\Admin\AppData\Local\Temp\718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.exe
"C:\Users\Admin\AppData\Local\Temp\718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392.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:1944

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:4180

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:5036

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5012

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:316

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:5108

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:3436

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:1420

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

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
5cfd9a8130096f6915d565e20d509ac0

SHA1
655eb1e113a77d166f4dfe4729a597f8f1a89354

SHA256
718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392

SHA512
037b06ff2b39724c52e9868b41a6322f1ae40e589493b2695d6608ae60320a156e0239e8ba3f84f80ee9ca1ec2dd99c2aad313efc7ef054808fb60cfec075e9d

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

MD5
5cfd9a8130096f6915d565e20d509ac0

SHA1
655eb1e113a77d166f4dfe4729a597f8f1a89354

SHA256
718f784f01185b2c7ebc03bf3f1c89c1872320d5997055cce1b5c1ad7b5f4392

SHA512
037b06ff2b39724c52e9868b41a6322f1ae40e589493b2695d6608ae60320a156e0239e8ba3f84f80ee9ca1ec2dd99c2aad313efc7ef054808fb60cfec075e9d

Download Submit
memory/1816-159-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-156-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-124-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-125-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-126-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-127-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-128-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-129-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-130-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-131-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-132-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-161-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-134-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-135-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-137-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-138-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-139-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-140-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-141-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-142-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-144-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-143-0x0000000004E40000-0x0000000005231000-memory.dmp

Filesize
3.9MB

Download
memory/1816-145-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-146-0x0000000005240000-0x0000000005AB7000-memory.dmp

Filesize
8.5MB

Download
memory/1816-147-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-148-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-150-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-149-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/1816-151-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-152-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-153-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-154-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-155-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-163-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-157-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-158-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-122-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-160-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-133-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-120-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-123-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-164-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-166-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-165-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-167-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-168-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-169-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-170-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-171-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-174-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-175-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-176-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-177-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-178-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-180-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-179-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-181-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-173-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-183-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-182-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-172-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-185-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-187-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-186-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-184-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-255-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/1816-121-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1816-162-0x0000000077D10000-0x0000000077E9E000-memory.dmp

Filesize
1.6MB

Download
memory/1944-317-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/1944-297-0x0000000004C10000-0x0000000005003000-memory.dmp

Filesize
3.9MB

Download
memory/1944-299-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/3436-377-0x0000000000000000-mapping.dmp

Download
memory/4180-296-0x0000000000000000-mapping.dmp

Download
memory/5012-301-0x0000000000000000-mapping.dmp

Download
memory/5012-335-0x0000000005400000-0x00000000057EA000-memory.dmp

Filesize
3.9MB

Download
memory/5012-344-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/5012-383-0x0000000005400000-0x00000000057EA000-memory.dmp

Filesize
3.9MB

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memory/5012-384-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

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memory/5036-298-0x0000000000000000-mapping.dmp

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