glupteba | 457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997

Analysis

max time kernel
150s
max time network
152s
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 18:11

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General

Target

457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Size

4.1MB
MD5

96794583cb77071505d2947ebbd10976
SHA1

7106d2eed00fccbea7214f8a5fdd7512a4b7e749
SHA256

457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997
SHA512

2c8c8ce85372700b5b62005fc50f8625f3633818d43219c884598fcdd7b58e45cd5ba63363643b3e53c276f8e9b93f797dbab2822ec993f378f5c724c2ae720b
SSDEEP

98304:16BgxSTgcWKecV8auFmfpEEpZUEy00y46WMCV2Jj2i:kO6BDV8BmfzvbEb66V0h

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:

457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe = "0"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe

Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4052 netsh.exe
Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

5036 csrss.exe
2284 injector.exe

pid	process
4052	netsh.exe

pid	process
5036	csrss.exe
2284	injector.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe = "0"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe

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

Query Registry
T1012

Drops file in Windows directory 2 IoCs

Processes:

457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe

description	ioc	process
File opened for modification	C:\Windows\rss	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
File created	C:\Windows\rss\csrss.exe	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.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

5084 schtasks.exe
3148 schtasks.exe

pid	process
5084	schtasks.exe
3148	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exenetsh.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.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"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.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"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.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"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.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"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.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"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	csrss.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exeinjector.execsrss.exe

pid	process
2064	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
2064	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
4796	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
4796	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
4796	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
4796	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
4796	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
4796	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
4796	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
4796	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
4796	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
4796	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
5036	csrss.exe
5036	csrss.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
5036	csrss.exe
5036	csrss.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe
2284	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2064	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Token: SeImpersonatePrivilege	2064	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
Token: SeSystemEnvironmentPrivilege	5036	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.execmd.execsrss.exe

description	pid	process	target process
PID 4796 wrote to memory of 4876	4796	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe	cmd.exe
PID 4796 wrote to memory of 4876	4796	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe	cmd.exe
PID 4876 wrote to memory of 4052	4876	cmd.exe	netsh.exe
PID 4876 wrote to memory of 4052	4876	cmd.exe	netsh.exe
PID 4796 wrote to memory of 5036	4796	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe	csrss.exe
PID 4796 wrote to memory of 5036	4796	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe	csrss.exe
PID 4796 wrote to memory of 5036	4796	457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe	csrss.exe
PID 5036 wrote to memory of 2284	5036	csrss.exe	injector.exe
PID 5036 wrote to memory of 2284	5036	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
"C:\Users\Admin\AppData\Local\Temp\457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2064

C:\Users\Admin\AppData\Local\Temp\457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.exe
"C:\Users\Admin\AppData\Local\Temp\457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997.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:4796

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:4876

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:4052

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:5036

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:5084

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:2784

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:2284

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:3148

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

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

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

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

MD5
96794583cb77071505d2947ebbd10976

SHA1
7106d2eed00fccbea7214f8a5fdd7512a4b7e749

SHA256
457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997

SHA512
2c8c8ce85372700b5b62005fc50f8625f3633818d43219c884598fcdd7b58e45cd5ba63363643b3e53c276f8e9b93f797dbab2822ec993f378f5c724c2ae720b

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

MD5
96794583cb77071505d2947ebbd10976

SHA1
7106d2eed00fccbea7214f8a5fdd7512a4b7e749

SHA256
457e3223b826badc79da955725454582161ff46fd1d861dacf1cf43f9822d997

SHA512
2c8c8ce85372700b5b62005fc50f8625f3633818d43219c884598fcdd7b58e45cd5ba63363643b3e53c276f8e9b93f797dbab2822ec993f378f5c724c2ae720b

Download Submit
memory/2064-159-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-156-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-124-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-125-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-126-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-127-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-128-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-129-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-130-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-131-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-132-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-161-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-133-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-135-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-136-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-137-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-138-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-139-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-140-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-141-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-142-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-143-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-145-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-146-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-147-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-148-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-149-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-150-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-151-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-153-0x0000000002B10000-0x0000000002F09000-memory.dmp

Filesize
4.0MB

Download
memory/2064-152-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-154-0x0000000002F10000-0x0000000003787000-memory.dmp

Filesize
8.5MB

Download
memory/2064-155-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2064-163-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-157-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-158-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-122-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-160-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-134-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-120-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-123-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-164-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-165-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-166-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-167-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-168-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-169-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-170-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-171-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-172-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-173-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-174-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-177-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-176-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-178-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-179-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-180-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-181-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-175-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-183-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-182-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-184-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-185-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-186-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-187-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-249-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2064-121-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-162-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2284-377-0x0000000000000000-mapping.dmp

Download
memory/4052-299-0x0000000000000000-mapping.dmp

Download
memory/4796-295-0x0000000002B70000-0x0000000002F66000-memory.dmp

Filesize
4.0MB

Download
memory/4796-297-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4796-307-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4876-298-0x0000000000000000-mapping.dmp

Download
memory/5036-301-0x0000000000000000-mapping.dmp

Download
memory/5036-356-0x0000000003000000-0x00000000033EA000-memory.dmp

Filesize
3.9MB

Download
memory/5036-361-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5036-383-0x0000000003000000-0x00000000033EA000-memory.dmp

Filesize
3.9MB

Download
memory/5036-384-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download