glupteba | 942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438

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
02-02-2023 00:41

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General

Target

942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Size

4.1MB
MD5

d730772805349950bcc204a68d247920
SHA1

aac42d9a873cb3334f20f478c42cdc321ea6f3ef
SHA256

942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438
SHA512

e9541d5535282ef7c60f2aa183fcf404f270834ca2c6a396be6ca563e251c19680c0583c0f4dd6e5278d9fd44c4620959bfb8e783dec5d98326ebb2a7696053c
SSDEEP

98304:ifP6JKXgGxPRAyMQc4SUMpUUUoMXvhLnTdH3z:ifP6cXlStQRuY53l

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:

942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe = "0"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

4944 csrss.exe
2220 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

748 netsh.exe

pid	process
4944	csrss.exe
2220	injector.exe

pid	process
748	netsh.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe = "0"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

csrss.exe942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.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:

942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe

description	ioc	process
File opened for modification	C:\Windows\rss	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
File created	C:\Windows\rss\csrss.exe	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.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

320 schtasks.exe
1812 schtasks.exe

pid	process
320	schtasks.exe
1812	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.execsrss.exenetsh.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.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,-81 = "Atlantic Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.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"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.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,-271 = "Greenwich Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.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,-201 = "US Mountain Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exeinjector.execsrss.exe

pid	process
2400	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
2400	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
3420	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
3420	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
3420	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
3420	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
3420	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
3420	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
3420	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
3420	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
3420	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
3420	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
4944	csrss.exe
4944	csrss.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
4944	csrss.exe
4944	csrss.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2400	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Token: SeImpersonatePrivilege	2400	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
Token: SeSystemEnvironmentPrivilege	4944	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.execmd.execsrss.exe

description	pid	process	target process
PID 3420 wrote to memory of 3748	3420	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe	cmd.exe
PID 3420 wrote to memory of 3748	3420	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe	cmd.exe
PID 3748 wrote to memory of 748	3748	cmd.exe	netsh.exe
PID 3748 wrote to memory of 748	3748	cmd.exe	netsh.exe
PID 3420 wrote to memory of 4944	3420	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe	csrss.exe
PID 3420 wrote to memory of 4944	3420	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe	csrss.exe
PID 3420 wrote to memory of 4944	3420	942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe	csrss.exe
PID 4944 wrote to memory of 2220	4944	csrss.exe	injector.exe
PID 4944 wrote to memory of 2220	4944	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
"C:\Users\Admin\AppData\Local\Temp\942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2400

C:\Users\Admin\AppData\Local\Temp\942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.exe
"C:\Users\Admin\AppData\Local\Temp\942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438.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:3420

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:3748

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:748

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:4944

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:320

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:3360

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:2220

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:1812

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
d730772805349950bcc204a68d247920

SHA1
aac42d9a873cb3334f20f478c42cdc321ea6f3ef

SHA256
942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438

SHA512
e9541d5535282ef7c60f2aa183fcf404f270834ca2c6a396be6ca563e251c19680c0583c0f4dd6e5278d9fd44c4620959bfb8e783dec5d98326ebb2a7696053c

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

MD5
d730772805349950bcc204a68d247920

SHA1
aac42d9a873cb3334f20f478c42cdc321ea6f3ef

SHA256
942bd946748998a42862336ecf254585a99748aa025725d7531ed0cdd3394438

SHA512
e9541d5535282ef7c60f2aa183fcf404f270834ca2c6a396be6ca563e251c19680c0583c0f4dd6e5278d9fd44c4620959bfb8e783dec5d98326ebb2a7696053c

Download Submit
memory/748-299-0x0000000000000000-mapping.dmp

Download
memory/2220-378-0x0000000000000000-mapping.dmp

Download
memory/2400-158-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-255-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/2400-123-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-124-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-125-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-126-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-127-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-128-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-129-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-130-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-131-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-132-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-133-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-134-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-135-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-138-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-137-0x0000000004E20000-0x000000000520B000-memory.dmp

Filesize
3.9MB

Download
memory/2400-139-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-140-0x0000000005210000-0x0000000005A87000-memory.dmp

Filesize
8.5MB

Download
memory/2400-141-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-142-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-143-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-144-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-145-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-146-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-147-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-148-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-149-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-150-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-160-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-152-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-153-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-154-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-155-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-162-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-156-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-121-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-159-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-151-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-122-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-157-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/2400-163-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-164-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-165-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-166-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-167-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-168-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-169-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-170-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-171-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-172-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-175-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-174-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-176-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-173-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-178-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-179-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-177-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-183-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-182-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-181-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-180-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-186-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-187-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-185-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-184-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-161-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/2400-257-0x0000000005210000-0x0000000005A87000-memory.dmp

Filesize
8.5MB

Download
memory/2400-120-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/3420-300-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/3420-317-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/3420-259-0x0000000004DF0000-0x00000000051E9000-memory.dmp

Filesize
4.0MB

Download
memory/3748-298-0x0000000000000000-mapping.dmp

Download
memory/4944-302-0x0000000000000000-mapping.dmp

Download
memory/4944-323-0x0000000005300000-0x00000000056EA000-memory.dmp

Filesize
3.9MB

Download
memory/4944-359-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/4944-381-0x0000000005300000-0x00000000056EA000-memory.dmp

Filesize
3.9MB

Download
memory/4944-385-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download