glupteba | 917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896

General

Target

917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Size

4.1MB
MD5

0b20d45000efa951190e51c206b78400
SHA1

08d4fb104c390c697d401115d5d0c924ab73e6b3
SHA256

917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896
SHA512

2e7a807e280430cee8097f8285fb761cebf1cda190783ab77e7ab154488bf03472a0d722a79f538f2e86d92a9ecf294ae53559440be57fb747f64eeb2c5e000e
SSDEEP

98304:7Nm7DmHCitZOc0p84hHeMpJXjHDnL9npC/61BmDFlGA1G7:5m7vEZ1fM/rf9npA61IFlZw

Score

10^/10

glupteba discovery dropper evasion loader persistence

Malware Config

Signatures

Glupteba
Glupteba is a modular loader written in Golang with various components.
loader dropper glupteba

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 4712 created 2280	4712	svchost.exe	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
PID 4712 created 5100	4712	svchost.exe	csrss.exe
PID 4712 created 5100	4712	svchost.exe	csrss.exe
PID 4712 created 5100	4712	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

5100 csrss.exe
376 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4876 netsh.exe

pid	process
5100	csrss.exe
376	injector.exe

pid	process
4876	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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:

917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe

description	ioc	process
File opened for modification	C:\Windows\rss	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
File created	C:\Windows\rss\csrss.exe	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3188 4412 WerFault.exe 917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.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

3820 schtasks.exe
1392 schtasks.exe

pid	pid_target	process	target process
3188	4412	WerFault.exe	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe

pid	process
3820	schtasks.exe
1392	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.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"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.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"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.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"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.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"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exeinjector.execsrss.exe

pid	process
2280	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
2280	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
4412	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
4412	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
4412	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
4412	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
4412	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
4412	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
4412	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
4412	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
4412	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
4412	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
5100	csrss.exe
5100	csrss.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
5100	csrss.exe
5100	csrss.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe
376	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2280	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Token: SeImpersonatePrivilege	2280	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
Token: SeTcbPrivilege	4712	svchost.exe
Token: SeTcbPrivilege	4712	svchost.exe
Token: SeBackupPrivilege	4712	svchost.exe
Token: SeRestorePrivilege	4712	svchost.exe
Token: SeBackupPrivilege	4712	svchost.exe
Token: SeRestorePrivilege	4712	svchost.exe
Token: SeBackupPrivilege	4712	svchost.exe
Token: SeRestorePrivilege	4712	svchost.exe
Token: SeBackupPrivilege	4712	svchost.exe
Token: SeRestorePrivilege	4712	svchost.exe
Token: SeSystemEnvironmentPrivilege	5100	csrss.exe
Token: SeBackupPrivilege	4712	svchost.exe
Token: SeRestorePrivilege	4712	svchost.exe
Token: SeBackupPrivilege	4712	svchost.exe
Token: SeRestorePrivilege	4712	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.execmd.execsrss.exe

description	pid	process	target process
PID 4712 wrote to memory of 4412	4712	svchost.exe	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
PID 4712 wrote to memory of 4412	4712	svchost.exe	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
PID 4712 wrote to memory of 4412	4712	svchost.exe	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
PID 4412 wrote to memory of 1440	4412	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe	cmd.exe
PID 4412 wrote to memory of 1440	4412	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe	cmd.exe
PID 1440 wrote to memory of 4876	1440	cmd.exe	netsh.exe
PID 1440 wrote to memory of 4876	1440	cmd.exe	netsh.exe
PID 4412 wrote to memory of 5100	4412	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe	csrss.exe
PID 4412 wrote to memory of 5100	4412	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe	csrss.exe
PID 4412 wrote to memory of 5100	4412	917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe	csrss.exe
PID 4712 wrote to memory of 3820	4712	svchost.exe	schtasks.exe
PID 4712 wrote to memory of 3820	4712	svchost.exe	schtasks.exe
PID 4712 wrote to memory of 3720	4712	svchost.exe	schtasks.exe
PID 4712 wrote to memory of 3720	4712	svchost.exe	schtasks.exe
PID 5100 wrote to memory of 376	5100	csrss.exe	injector.exe
PID 5100 wrote to memory of 376	5100	csrss.exe	injector.exe
PID 4712 wrote to memory of 1392	4712	svchost.exe	schtasks.exe
PID 4712 wrote to memory of 1392	4712	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
"C:\Users\Admin\AppData\Local\Temp\917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2280

C:\Users\Admin\AppData\Local\Temp\917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe
"C:\Users\Admin\AppData\Local\Temp\917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4412

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:1440

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
PID:4876

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:5100

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:3820

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:3720

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:376

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:1392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 672
3⤵
- Program crash
PID:3188

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4412 -ip 4412
1⤵
PID:756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

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
4.1MB

MD5
0b20d45000efa951190e51c206b78400

SHA1
08d4fb104c390c697d401115d5d0c924ab73e6b3

SHA256
917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896

SHA512
2e7a807e280430cee8097f8285fb761cebf1cda190783ab77e7ab154488bf03472a0d722a79f538f2e86d92a9ecf294ae53559440be57fb747f64eeb2c5e000e

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

MD5
0b20d45000efa951190e51c206b78400

SHA1
08d4fb104c390c697d401115d5d0c924ab73e6b3

SHA256
917b324bf224406c7b3229aff0bc90460ac431b984e661d1f4e760b3d8549896

SHA512
2e7a807e280430cee8097f8285fb761cebf1cda190783ab77e7ab154488bf03472a0d722a79f538f2e86d92a9ecf294ae53559440be57fb747f64eeb2c5e000e

Download Submit
memory/376-149-0x0000000000000000-mapping.dmp

Download
memory/1392-152-0x0000000000000000-mapping.dmp

Download
memory/1440-137-0x0000000000000000-mapping.dmp

Download
memory/2280-133-0x0000000002DE0000-0x0000000003657000-memory.dmp

Filesize
8.5MB

Download
memory/2280-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2280-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2280-132-0x00000000029EC000-0x0000000002DD5000-memory.dmp

Filesize
3.9MB

Download
memory/3720-148-0x0000000000000000-mapping.dmp

Download
memory/3820-146-0x0000000000000000-mapping.dmp

Download
memory/4412-138-0x0000000002957000-0x0000000002D40000-memory.dmp

Filesize
3.9MB

Download
memory/4412-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4412-135-0x0000000000000000-mapping.dmp

Download
memory/4412-139-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4876-140-0x0000000000000000-mapping.dmp

Download
memory/5100-147-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5100-145-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/5100-141-0x0000000000000000-mapping.dmp

Download
memory/5100-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads