glupteba | 19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d

Analysis

max time kernel
150s
max time network
145s
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 09:18

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General

Target

19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Size

4.0MB
MD5

fe97389afb82c19514343e9e6470d333
SHA1

fea94a27995f47dd9b48112bfd46e5066f53c978
SHA256

19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d
SHA512

a4e6ba9652e99658fdd5faaa037341af5f5677e207063e0304a8c523d572a065f2263f7e6831b2e7e49dd0be560526796041460472ea11da7884ad513fba4017
SSDEEP

98304:5/dI2Jd5IdvKDRh5ZCAlNJbChX7oCfQ6swa/RAM3z7A:DodYRzZCX0+a6Is

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:

19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe = "0"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

4152 csrss.exe
1772 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3580 netsh.exe

pid	process
4152	csrss.exe
1772	injector.exe

pid	process
3580	netsh.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe = "0"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.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\""	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.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

Drops file in Windows directory 2 IoCs

Processes:

19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe

description	ioc	process
File opened for modification	C:\Windows\rss	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
File created	C:\Windows\rss\csrss.exe	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.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

1696 schtasks.exe
2608 schtasks.exe

pid	process
1696	schtasks.exe
2608	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exenetsh.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.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"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.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"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.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"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.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"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.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"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace\Session	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exeinjector.execsrss.exe

pid	process
4220	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
4220	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
3608	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
3608	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
3608	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
3608	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
3608	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
3608	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
3608	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
3608	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
3608	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
3608	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
4152	csrss.exe
4152	csrss.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
4152	csrss.exe
4152	csrss.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe
1772	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4220	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Token: SeImpersonatePrivilege	4220	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
Token: SeSystemEnvironmentPrivilege	4152	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.execmd.execsrss.exe

description	pid	process	target process
PID 3608 wrote to memory of 4760	3608	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe	cmd.exe
PID 3608 wrote to memory of 4760	3608	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe	cmd.exe
PID 4760 wrote to memory of 3580	4760	cmd.exe	netsh.exe
PID 4760 wrote to memory of 3580	4760	cmd.exe	netsh.exe
PID 3608 wrote to memory of 4152	3608	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe	csrss.exe
PID 3608 wrote to memory of 4152	3608	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe	csrss.exe
PID 3608 wrote to memory of 4152	3608	19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe	csrss.exe
PID 4152 wrote to memory of 1772	4152	csrss.exe	injector.exe
PID 4152 wrote to memory of 1772	4152	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
"C:\Users\Admin\AppData\Local\Temp\19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4220

C:\Users\Admin\AppData\Local\Temp\19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.exe
"C:\Users\Admin\AppData\Local\Temp\19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d.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:3608

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\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:4152

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:1696

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:2028

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:1772

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:2608

C:\Windows\system32\netsh.exe
netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
1⤵
- Modifies Windows Firewall
- Modifies data under HKEY_USERS
PID:3580

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
fe97389afb82c19514343e9e6470d333

SHA1
fea94a27995f47dd9b48112bfd46e5066f53c978

SHA256
19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d

SHA512
a4e6ba9652e99658fdd5faaa037341af5f5677e207063e0304a8c523d572a065f2263f7e6831b2e7e49dd0be560526796041460472ea11da7884ad513fba4017

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

MD5
fe97389afb82c19514343e9e6470d333

SHA1
fea94a27995f47dd9b48112bfd46e5066f53c978

SHA256
19088e7a78efc111e49cf21fe41aed6efee1e93cfdecb4c033154c33151d490d

SHA512
a4e6ba9652e99658fdd5faaa037341af5f5677e207063e0304a8c523d572a065f2263f7e6831b2e7e49dd0be560526796041460472ea11da7884ad513fba4017

Download Submit
memory/1772-375-0x0000000000000000-mapping.dmp

Download
memory/3580-293-0x0000000000000000-mapping.dmp

Download
memory/3608-295-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3608-294-0x00000000029E0000-0x0000000002DD2000-memory.dmp

Filesize
3.9MB

Download
memory/3608-301-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4152-378-0x0000000002E00000-0x00000000031EA000-memory.dmp

Filesize
3.9MB

Download
memory/4152-380-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4152-297-0x0000000000000000-mapping.dmp

Download
memory/4152-356-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4152-318-0x0000000002E00000-0x00000000031EA000-memory.dmp

Filesize
3.9MB

Download
memory/4220-154-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-163-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-128-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-129-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-127-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-130-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-132-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-133-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-135-0x0000000002B10000-0x0000000002F00000-memory.dmp

Filesize
3.9MB

Download
memory/4220-134-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-138-0x0000000002F00000-0x0000000003776000-memory.dmp

Filesize
8.5MB

Download
memory/4220-136-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-137-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-139-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-140-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-141-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-142-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-143-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-145-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-144-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-147-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-146-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-148-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-150-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-153-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-152-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-125-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-155-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-156-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-157-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-151-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-158-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4220-149-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-160-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-161-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-126-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-164-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-166-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-167-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-165-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-162-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-159-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-168-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-170-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-171-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-173-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-174-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-177-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-178-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-179-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-180-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-176-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-175-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-172-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-169-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-124-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-123-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-122-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-121-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-120-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-119-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-118-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-117-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-116-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-181-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-183-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-182-0x0000000077DA0000-0x0000000077F2E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-240-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4760-292-0x0000000000000000-mapping.dmp

Download