glupteba | f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6

Analysis

max time kernel
150s
max time network
148s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
30/01/2023, 10:27

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General

Target

f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Size

4.0MB
MD5

1839e8692afd980db0c0a7337a82d12a
SHA1

88117c7ca8c9129ad1a0311d2cf7d3ad00d6ee7c
SHA256

f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6
SHA512

d5235466acdbdd3e05761b76a04c57bb5f010dab2dddc3e74185b99f0737026553f0a4f3bf4f9d479da597fd681907c6ae52c7b69c474c7026131cfca6b36e0a
SSDEEP

98304:WdOL4/uZgGtCU1Jw2jOpNiTKWTrgdBWwIGF28:KOLqSgxkw2jO+TKWv6UE

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

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe = "0"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe

Executes dropped EXE 2 IoCs

pid	Process
4824	csrss.exe
320	injector.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4912	netsh.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe = "0"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\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

description	ioc	Process
File opened for modification	C:\Windows\rss	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
File created	C:\Windows\rss\csrss.exe	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.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

pid	Process
1788	schtasks.exe
3988	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.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"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.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"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.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"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.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,-151 = "Central America Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1980	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
1980	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
4600	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
4600	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
4600	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
4600	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
4600	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
4600	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
4600	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
4600	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
4600	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
4600	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
4824	csrss.exe
4824	csrss.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
4824	csrss.exe
4824	csrss.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe
320	injector.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1980	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Token: SeImpersonatePrivilege	1980	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
Token: SeSystemEnvironmentPrivilege	4824	csrss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 3116	4600	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe	70
PID 4600 wrote to memory of 3116	4600	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe	70
PID 3116 wrote to memory of 4912	3116	cmd.exe	72
PID 3116 wrote to memory of 4912	3116	cmd.exe	72
PID 4600 wrote to memory of 4824	4600	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe	73
PID 4600 wrote to memory of 4824	4600	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe	73
PID 4600 wrote to memory of 4824	4600	f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe	73
PID 4824 wrote to memory of 320	4824	csrss.exe	79
PID 4824 wrote to memory of 320	4824	csrss.exe	79

C:\Users\Admin\AppData\Local\Temp\f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
"C:\Users\Admin\AppData\Local\Temp\f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1980
- C:\Users\Admin\AppData\Local\Temp\f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.exe
  "C:\Users\Admin\AppData\Local\Temp\f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6.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:4600
- - 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:3116
  - - 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:4912
- - 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:4824
  - - 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:1788
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:416
  - - 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:320
  - - 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:3988

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

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
1839e8692afd980db0c0a7337a82d12a

SHA1
88117c7ca8c9129ad1a0311d2cf7d3ad00d6ee7c

SHA256
f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6

SHA512
d5235466acdbdd3e05761b76a04c57bb5f010dab2dddc3e74185b99f0737026553f0a4f3bf4f9d479da597fd681907c6ae52c7b69c474c7026131cfca6b36e0a

Download Submit
C:\Windows\rss\csrss.exe

Filesize
4.0MB

MD5
1839e8692afd980db0c0a7337a82d12a

SHA1
88117c7ca8c9129ad1a0311d2cf7d3ad00d6ee7c

SHA256
f1afc930b3a4efdae7f243402a4ff928d00dbd1afad86a022915e92c609c2dc6

SHA512
d5235466acdbdd3e05761b76a04c57bb5f010dab2dddc3e74185b99f0737026553f0a4f3bf4f9d479da597fd681907c6ae52c7b69c474c7026131cfca6b36e0a

Download Submit
memory/1980-158-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-167-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-124-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-125-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-126-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-127-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-163-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-129-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-130-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-131-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-132-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-133-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-134-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-135-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-161-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-138-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-139-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-140-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-141-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-142-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-137-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-144-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-145-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-146-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-147-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-148-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-149-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-150-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-151-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-152-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-153-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-154-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-155-0x0000000004F30000-0x0000000005327000-memory.dmp

Filesize
4.0MB

Download
memory/1980-156-0x0000000005330000-0x0000000005BA7000-memory.dmp

Filesize
8.5MB

Download
memory/1980-157-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-122-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-159-0x0000000000400000-0x0000000002F6F000-memory.dmp

Filesize
43.4MB

Download
memory/1980-160-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-136-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-123-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-128-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-164-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-165-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-166-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-162-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-168-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-169-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-170-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-171-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-172-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-173-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-174-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-175-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-176-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-177-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-178-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-179-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-180-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-181-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-182-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-183-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-185-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-186-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-187-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-184-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-255-0x0000000000400000-0x0000000002F6F000-memory.dmp

Filesize
43.4MB

Download
memory/1980-120-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/1980-121-0x0000000077460000-0x00000000775EE000-memory.dmp

Filesize
1.6MB

Download
memory/4600-295-0x0000000000400000-0x0000000002F6F000-memory.dmp

Filesize
43.4MB

Download
memory/4600-317-0x0000000000400000-0x0000000002F6F000-memory.dmp

Filesize
43.4MB

Download
memory/4600-282-0x0000000004DE0000-0x00000000051D3000-memory.dmp

Filesize
3.9MB

Download
memory/4824-363-0x0000000005300000-0x00000000056EA000-memory.dmp

Filesize
3.9MB

Download
memory/4824-364-0x0000000000400000-0x0000000002F6F000-memory.dmp

Filesize
43.4MB

Download
memory/4824-383-0x0000000005300000-0x00000000056EA000-memory.dmp

Filesize
3.9MB

Download
memory/4824-384-0x0000000000400000-0x0000000002F6F000-memory.dmp

Filesize
43.4MB

Download