glupteba | 6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11

Analysis

max time kernel
149s
max time network
128s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
07-02-2023 00:09

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General

Target

6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Size

4.1MB
MD5

a47239ec894cd0b02a14d95eada66032
SHA1

428ccbbac610e2d880d4497e3ebe74fe06bf6521
SHA256

6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11
SHA512

00dadd8e7ccc7df0353c15710df89e85b9f428a8894cd649316ff3d82e04d0d0bbf86986d50c9ab1192288cff4b1f97fb5570ad9d6ad6173e5c428e3ece7017a
SSDEEP

98304:VHyZp+1rPyhH/yy33476G2TYO+2MaXwZQu/jI:VHyZpIDyNDHpGusafu/E

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:

6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe = "0"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe

Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4388 netsh.exe
Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

4296 csrss.exe
1328 injector.exe

pid	process
4388	netsh.exe

pid	process
4296	csrss.exe
1328	injector.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe = "0"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000\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:

6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe

description	ioc	process
File opened for modification	C:\Windows\rss	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
File created	C:\Windows\rss\csrss.exe	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.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

520 schtasks.exe
316 schtasks.exe

pid	process
520	schtasks.exe
316	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.execsrss.exenetsh.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.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"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.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"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.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"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.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,-12 = "Azores Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.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,-449 = "Azerbaijan Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.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"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.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"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exeinjector.execsrss.exe

pid	process
2672	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
2672	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
2332	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
2332	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
2332	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
2332	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
2332	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
2332	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
2332	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
2332	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
2332	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
2332	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
4296	csrss.exe
4296	csrss.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
4296	csrss.exe
4296	csrss.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe
1328	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2672	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Token: SeImpersonatePrivilege	2672	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
Token: SeSystemEnvironmentPrivilege	4296	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.execmd.execsrss.exe

description	pid	process	target process
PID 2332 wrote to memory of 4608	2332	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe	cmd.exe
PID 2332 wrote to memory of 4608	2332	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe	cmd.exe
PID 4608 wrote to memory of 4388	4608	cmd.exe	netsh.exe
PID 4608 wrote to memory of 4388	4608	cmd.exe	netsh.exe
PID 2332 wrote to memory of 4296	2332	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe	csrss.exe
PID 2332 wrote to memory of 4296	2332	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe	csrss.exe
PID 2332 wrote to memory of 4296	2332	6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe	csrss.exe
PID 4296 wrote to memory of 1328	4296	csrss.exe	injector.exe
PID 4296 wrote to memory of 1328	4296	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
"C:\Users\Admin\AppData\Local\Temp\6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2672

C:\Users\Admin\AppData\Local\Temp\6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.exe
"C:\Users\Admin\AppData\Local\Temp\6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11.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:2332

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:4608

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:4388

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:4296

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:520

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:432

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:1328

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

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
a47239ec894cd0b02a14d95eada66032

SHA1
428ccbbac610e2d880d4497e3ebe74fe06bf6521

SHA256
6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11

SHA512
00dadd8e7ccc7df0353c15710df89e85b9f428a8894cd649316ff3d82e04d0d0bbf86986d50c9ab1192288cff4b1f97fb5570ad9d6ad6173e5c428e3ece7017a

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

MD5
a47239ec894cd0b02a14d95eada66032

SHA1
428ccbbac610e2d880d4497e3ebe74fe06bf6521

SHA256
6b5ded31810615fc47be87fdf7a6dd27bc49e36ce13cf1afbb0477cb4413fb11

SHA512
00dadd8e7ccc7df0353c15710df89e85b9f428a8894cd649316ff3d82e04d0d0bbf86986d50c9ab1192288cff4b1f97fb5570ad9d6ad6173e5c428e3ece7017a

Download Submit
memory/1328-373-0x0000000000000000-mapping.dmp

Download
memory/2332-293-0x0000000002A80000-0x0000000002E75000-memory.dmp

Filesize
4.0MB

Download
memory/2332-294-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2332-302-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2672-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2672-170-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-122-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-123-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-124-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-125-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-126-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-127-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-128-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-129-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-130-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-131-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-132-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-133-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-134-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-157-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-137-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-138-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-139-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-136-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-141-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-142-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-143-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-144-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-145-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-146-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-147-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-148-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-149-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-150-0x0000000002BF0000-0x0000000002FDA000-memory.dmp

Filesize
3.9MB

Download
memory/2672-151-0x0000000002FE0000-0x0000000003857000-memory.dmp

Filesize
8.5MB

Download
memory/2672-152-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-120-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-154-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-155-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-156-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-135-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-158-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-121-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-160-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-161-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-162-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-163-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-164-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-165-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-166-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-167-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-168-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-169-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-159-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-171-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-172-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-173-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-174-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-175-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-176-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-177-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-178-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-179-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-180-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-181-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-182-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-183-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-119-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-243-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2672-116-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-117-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-118-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/4296-354-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4296-351-0x0000000002F00000-0x00000000032EA000-memory.dmp

Filesize
3.9MB

Download
memory/4296-297-0x0000000000000000-mapping.dmp

Download
memory/4296-379-0x0000000002F00000-0x00000000032EA000-memory.dmp

Filesize
3.9MB

Download
memory/4296-380-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4388-295-0x0000000000000000-mapping.dmp

Download
memory/4608-292-0x0000000000000000-mapping.dmp

Download