glupteba | 9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929

Analysis

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

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
06-02-2023 16:11

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General

Target

9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Size

4.2MB
MD5

825e7581e0b18f2fcd39bc9477c264cf
SHA1

9924315a26994467f1c4207c5762c804af18c986
SHA256

9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929
SHA512

8e6ed9fff3cb518c0ba1390b0b65eecec254f5fd356342d0d1a98e440063bd4d1d7c5fa96598203a2d927b114f2a03ae759e1dbb7167283f7ae3664bc02e71ab
SSDEEP

98304:u5pIcuhFY/lWnPNhsreuu1Oeo8EgeDcGo47ov0FiP3adjaQ3/52Gzw:u75uQ/EPNAuxo8EgGcGo47ZT7O

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:

9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe = "0"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe

Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4480 netsh.exe
Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

648 csrss.exe
3292 injector.exe

pid	process
4480	netsh.exe

pid	process
648	csrss.exe
3292	injector.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe = "0"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe

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

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

Web Service
T1102

Drops file in Windows directory 2 IoCs

Processes:

9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe

description	ioc	process
File opened for modification	C:\Windows\rss	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
File created	C:\Windows\rss\csrss.exe	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.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

2644 schtasks.exe
1332 schtasks.exe

pid	process
2644	schtasks.exe
1332	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exenetsh.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	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,-1021 = "Bangladesh Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.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,-662 = "Cen. Australia Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	csrss.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	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,-461 = "Afghanistan Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace\Session	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exeinjector.execsrss.exe

pid	process
4328	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
4328	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
4440	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
4440	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
4440	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
4440	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
4440	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
4440	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
4440	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
4440	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
4440	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
4440	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
648	csrss.exe
648	csrss.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
648	csrss.exe
648	csrss.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe
3292	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4328	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Token: SeImpersonatePrivilege	4328	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
Token: SeSystemEnvironmentPrivilege	648	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.execmd.execsrss.exe

description	pid	process	target process
PID 4440 wrote to memory of 4016	4440	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe	cmd.exe
PID 4440 wrote to memory of 4016	4440	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe	cmd.exe
PID 4016 wrote to memory of 4480	4016	cmd.exe	netsh.exe
PID 4016 wrote to memory of 4480	4016	cmd.exe	netsh.exe
PID 4440 wrote to memory of 648	4440	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe	csrss.exe
PID 4440 wrote to memory of 648	4440	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe	csrss.exe
PID 4440 wrote to memory of 648	4440	9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe	csrss.exe
PID 648 wrote to memory of 3292	648	csrss.exe	injector.exe
PID 648 wrote to memory of 3292	648	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
"C:\Users\Admin\AppData\Local\Temp\9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4328

C:\Users\Admin\AppData\Local\Temp\9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.exe
"C:\Users\Admin\AppData\Local\Temp\9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929.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:4440

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:4016

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:4480

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:648

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
4⤵
- Creates scheduled task(s)
PID:2644

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:1832

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:3292

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:1332

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

T1102

Impact

Replay Monitor

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Downloads

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

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

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

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

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

MD5
825e7581e0b18f2fcd39bc9477c264cf

SHA1
9924315a26994467f1c4207c5762c804af18c986

SHA256
9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929

SHA512
8e6ed9fff3cb518c0ba1390b0b65eecec254f5fd356342d0d1a98e440063bd4d1d7c5fa96598203a2d927b114f2a03ae759e1dbb7167283f7ae3664bc02e71ab

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

MD5
825e7581e0b18f2fcd39bc9477c264cf

SHA1
9924315a26994467f1c4207c5762c804af18c986

SHA256
9d8b642f2ed2ec9c87a7b43057e1e9aaa8c7999812154fe3cdb91cd96228d929

SHA512
8e6ed9fff3cb518c0ba1390b0b65eecec254f5fd356342d0d1a98e440063bd4d1d7c5fa96598203a2d927b114f2a03ae759e1dbb7167283f7ae3664bc02e71ab

Download Submit
memory/648-299-0x0000000000000000-mapping.dmp

Download
memory/648-382-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/648-381-0x0000000002E00000-0x00000000031EA000-memory.dmp

Filesize
3.9MB

Download
memory/648-354-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/648-352-0x0000000002E00000-0x00000000031EA000-memory.dmp

Filesize
3.9MB

Download
memory/3292-375-0x0000000000000000-mapping.dmp

Download
memory/4016-294-0x0000000000000000-mapping.dmp

Download
memory/4328-155-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-161-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-127-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-128-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-129-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-130-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-131-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-132-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-133-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-134-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-135-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-136-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-137-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-138-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-139-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-141-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-140-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-143-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-144-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-145-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-146-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-147-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-148-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-149-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-151-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-150-0x0000000002BC0000-0x0000000002FB8000-memory.dmp

Filesize
4.0MB

Download
memory/4328-152-0x0000000002FC0000-0x0000000003837000-memory.dmp

Filesize
8.5MB

Download
memory/4328-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4328-154-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-125-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-156-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-157-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-158-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-160-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-159-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-126-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-162-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-163-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-164-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-165-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-166-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-167-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-168-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-169-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-170-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-171-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-172-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-173-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-174-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-175-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-177-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-176-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-178-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-179-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-180-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-181-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-182-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-183-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-184-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-185-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-246-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4328-118-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-119-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-124-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-123-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-122-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-121-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-120-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4440-297-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4440-296-0x00000000029C0000-0x0000000002DB0000-memory.dmp

Filesize
3.9MB

Download
memory/4440-306-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4480-295-0x0000000000000000-mapping.dmp

Download