glupteba | 32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69

Analysis

max time kernel
150s
max time network
148s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
03-02-2023 08:18

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General

Target

32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Size

4.1MB
MD5

18eef82bb7f8c44dbb2544df3f4500b1
SHA1

ab375e69a1425caa705d3b81f74359dd29324c54
SHA256

32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69
SHA512

91daaab952fd1e6cbe643f414162e0b0e6fc2704ebb44ba9b876e38d44b9b702a8293c54caee23403d0adf950ac11f6c7bc68dfbe9f3565ce39296d168d20dd2
SSDEEP

98304:716yO65OGQAlOoza46CaI2OlcIYFRLJI22LXXTAgqo:7UL6lmZDIOIYFRLJOnUI

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:

32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe = "0"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe

Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3136 netsh.exe
Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

4688 csrss.exe
4148 injector.exe

pid	process
3136	netsh.exe

pid	process
4688	csrss.exe
4148	injector.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe = "0"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.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\""	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.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:

32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe

description	ioc	process
File opened for modification	C:\Windows\rss	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
File created	C:\Windows\rss\csrss.exe	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.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

788 schtasks.exe
3368 schtasks.exe

pid	process
788	schtasks.exe
3368	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.execsrss.exenetsh.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.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,-82 = "Atlantic Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.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"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.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"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.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"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.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,-1021 = "Bangladesh Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.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,-672 = "AUS Eastern Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.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,-462 = "Afghanistan Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.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"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exeinjector.execsrss.exe

pid	process
4936	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
4936	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
4188	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
4188	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
4188	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
4188	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
4188	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
4188	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
4188	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
4188	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
4188	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
4188	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4688	csrss.exe
4688	csrss.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4688	csrss.exe
4688	csrss.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe
4148	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4936	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Token: SeImpersonatePrivilege	4936	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
Token: SeSystemEnvironmentPrivilege	4688	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.execmd.execsrss.exe

description	pid	process	target process
PID 4188 wrote to memory of 4760	4188	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe	cmd.exe
PID 4188 wrote to memory of 4760	4188	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe	cmd.exe
PID 4760 wrote to memory of 3136	4760	cmd.exe	netsh.exe
PID 4760 wrote to memory of 3136	4760	cmd.exe	netsh.exe
PID 4188 wrote to memory of 4688	4188	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe	csrss.exe
PID 4188 wrote to memory of 4688	4188	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe	csrss.exe
PID 4188 wrote to memory of 4688	4188	32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe	csrss.exe
PID 4688 wrote to memory of 4148	4688	csrss.exe	injector.exe
PID 4688 wrote to memory of 4148	4688	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
"C:\Users\Admin\AppData\Local\Temp\32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4936

C:\Users\Admin\AppData\Local\Temp\32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.exe
"C:\Users\Admin\AppData\Local\Temp\32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69.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:4188

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:4760

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:3136

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:4688

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:3368

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:3300

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:4148

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:788

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
18eef82bb7f8c44dbb2544df3f4500b1

SHA1
ab375e69a1425caa705d3b81f74359dd29324c54

SHA256
32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69

SHA512
91daaab952fd1e6cbe643f414162e0b0e6fc2704ebb44ba9b876e38d44b9b702a8293c54caee23403d0adf950ac11f6c7bc68dfbe9f3565ce39296d168d20dd2

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

MD5
18eef82bb7f8c44dbb2544df3f4500b1

SHA1
ab375e69a1425caa705d3b81f74359dd29324c54

SHA256
32b8911221679f9a2ca9d74665da658a0bcff4c6e04df5820de76c22b6a46d69

SHA512
91daaab952fd1e6cbe643f414162e0b0e6fc2704ebb44ba9b876e38d44b9b702a8293c54caee23403d0adf950ac11f6c7bc68dfbe9f3565ce39296d168d20dd2

Download Submit
memory/3136-295-0x0000000000000000-mapping.dmp

Download
memory/4148-375-0x0000000000000000-mapping.dmp

Download
memory/4188-297-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4188-296-0x0000000002AC0000-0x0000000002EAD000-memory.dmp

Filesize
3.9MB

Download
memory/4188-307-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4688-378-0x0000000002F00000-0x00000000032EA000-memory.dmp

Filesize
3.9MB

Download
memory/4688-382-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4688-362-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4688-321-0x0000000002F00000-0x00000000032EA000-memory.dmp

Filesize
3.9MB

Download
memory/4688-299-0x0000000000000000-mapping.dmp

Download
memory/4760-294-0x0000000000000000-mapping.dmp

Download
memory/4936-154-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-162-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-128-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-129-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-130-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-132-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-133-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-134-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-136-0x0000000002B40000-0x0000000002F38000-memory.dmp

Filesize
4.0MB

Download
memory/4936-135-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-137-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-139-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-138-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-141-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-142-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-140-0x0000000002F40000-0x00000000037B7000-memory.dmp

Filesize
8.5MB

Download
memory/4936-143-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-144-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-146-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4936-147-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-148-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-145-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-149-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-150-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-151-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-152-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-153-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-126-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-156-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-155-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-157-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-158-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-159-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-160-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-161-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-127-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-163-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-164-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-165-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-166-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-167-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-168-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-169-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-170-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-172-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-171-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-173-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-174-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-175-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-176-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-177-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-179-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-178-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-180-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-181-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-124-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-125-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-123-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-122-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-121-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-120-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-119-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-118-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-117-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-116-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-182-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-183-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-238-0x0000000002B40000-0x0000000002F38000-memory.dmp

Filesize
4.0MB

Download
memory/4936-239-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4936-247-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download