glupteba | b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc

Analysis

max time kernel
150s
max time network
126s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
23-09-2022 22:25

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General

Target

b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Size

4.0MB
MD5

05d7e41ae6a47da29097d18596ae93a7
SHA1

f60a8fed62ad04360794204eaccbe3ff6ccc8c46
SHA256

b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc
SHA512

6f2a448211f29aa8082c1dbd714023123a1399bf12a0a8ebe90178385642789a0f21fb449baf0056e24715c3c2d90368e99b4b1dfd39078e56d6550eb0fb9717
SSDEEP

98304:j8Hz7e4xifAAHF8cjQSTPgF3tNU7W2NvV3:AHzq8cjQS7gBUtNv5

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:

b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe = "0"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

4780 csrss.exe
3036 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4752 netsh.exe

pid	process
4780	csrss.exe
3036	injector.exe

pid	process
4752	netsh.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe = "0"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.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\""	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.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:

b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe

description	ioc	process
File opened for modification	C:\Windows\rss	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
File created	C:\Windows\rss\csrss.exe	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.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

4648 schtasks.exe
1328 schtasks.exe

pid	process
4648	schtasks.exe
1328	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exenetsh.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.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,-841 = "Argentina Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.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,-2161 = "Altai Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.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"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.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"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.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"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.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"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time"	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exeb0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exeinjector.execsrss.exe

pid	process
2500	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
2500	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
4540	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
4540	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
4540	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
4540	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
4540	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
4540	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
4540	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
4540	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
4540	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
4540	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
4780	csrss.exe
4780	csrss.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
4780	csrss.exe
4780	csrss.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe
3036	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2500	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Token: SeImpersonatePrivilege	2500	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
Token: SeSystemEnvironmentPrivilege	4780	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.execmd.execsrss.exe

description	pid	process	target process
PID 4540 wrote to memory of 5096	4540	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe	cmd.exe
PID 4540 wrote to memory of 5096	4540	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe	cmd.exe
PID 5096 wrote to memory of 4752	5096	cmd.exe	netsh.exe
PID 5096 wrote to memory of 4752	5096	cmd.exe	netsh.exe
PID 4540 wrote to memory of 4780	4540	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe	csrss.exe
PID 4540 wrote to memory of 4780	4540	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe	csrss.exe
PID 4540 wrote to memory of 4780	4540	b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe	csrss.exe
PID 4780 wrote to memory of 3036	4780	csrss.exe	injector.exe
PID 4780 wrote to memory of 3036	4780	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
"C:\Users\Admin\AppData\Local\Temp\b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2500

C:\Users\Admin\AppData\Local\Temp\b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.exe
"C:\Users\Admin\AppData\Local\Temp\b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc.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:4540

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:5096

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:4752

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4780

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:1328

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:188

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:3036

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:4648

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
4.0MB

MD5
05d7e41ae6a47da29097d18596ae93a7

SHA1
f60a8fed62ad04360794204eaccbe3ff6ccc8c46

SHA256
b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc

SHA512
6f2a448211f29aa8082c1dbd714023123a1399bf12a0a8ebe90178385642789a0f21fb449baf0056e24715c3c2d90368e99b4b1dfd39078e56d6550eb0fb9717

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.0MB

MD5
05d7e41ae6a47da29097d18596ae93a7

SHA1
f60a8fed62ad04360794204eaccbe3ff6ccc8c46

SHA256
b0a8194c568f9be0fc94224b595c0af7c60090e45c80e77c048974fc16d686cc

SHA512
6f2a448211f29aa8082c1dbd714023123a1399bf12a0a8ebe90178385642789a0f21fb449baf0056e24715c3c2d90368e99b4b1dfd39078e56d6550eb0fb9717

Download Submit
memory/2500-158-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-118-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-121-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-122-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-123-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-124-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-125-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-126-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-127-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-128-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-129-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-130-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-131-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-133-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-134-0x0000000002B70000-0x0000000002F67000-memory.dmp

Filesize
4.0MB

Download
memory/2500-136-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-135-0x0000000002F70000-0x00000000037E6000-memory.dmp

Filesize
8.5MB

Download
memory/2500-137-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-138-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-139-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-140-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-143-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2500-142-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-144-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-141-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-145-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-146-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-147-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-148-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-149-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-150-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-151-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-152-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-153-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-154-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-155-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-156-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-157-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-164-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-117-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-120-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-161-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-162-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-163-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-160-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-165-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-166-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-167-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-168-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-169-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-170-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-171-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-172-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-173-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-174-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-175-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-176-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-177-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-178-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-179-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-180-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-181-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-182-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-183-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-184-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-245-0x0000000002F70000-0x00000000037E6000-memory.dmp

Filesize
8.5MB

Download
memory/2500-247-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2500-119-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2500-159-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/3036-377-0x0000000000000000-mapping.dmp

Download
memory/4540-296-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4540-304-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4540-294-0x0000000002950000-0x0000000002D3D000-memory.dmp

Filesize
3.9MB

Download
memory/4752-297-0x0000000000000000-mapping.dmp

Download
memory/4780-299-0x0000000000000000-mapping.dmp

Download
memory/4780-329-0x0000000002E00000-0x00000000031EA000-memory.dmp

Filesize
3.9MB

Download
memory/4780-332-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4780-381-0x0000000002E00000-0x00000000031EA000-memory.dmp

Filesize
3.9MB

Download
memory/4780-382-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5096-295-0x0000000000000000-mapping.dmp

Download