glupteba | a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de

General

Target

a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Size

4.1MB
MD5

a74832e21e306d533ae1dc526afe3a81
SHA1

a2515a0d75a11a111c83b25476faccccbfebd577
SHA256

a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de
SHA512

b765d0975d34a68979c384f90962c5e8e2d4ab2098251c06f49bc3c267f7fa117ae4ef8e8949bcaeef116ed34a4b9b566dc8446dc6368870855cec2dcbfe2e5a
SSDEEP

98304:+DRa9t52alR+zGMAoLvfaiYMIKqODq2EVBfHX0VJ3VKrlSPNB1rpWSzT:+NAkab+zl1vfj1dbEVpEzlqSz1L

Score

10^/10

glupteba discovery dropper evasion loader persistence upx

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 5028 created 1208	5028	svchost.exe	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
PID 5028 created 3376	5028	svchost.exe	csrss.exe
PID 5028 created 3376	5028	svchost.exe	csrss.exe
PID 5028 created 3376	5028	svchost.exe	csrss.exe

Executes dropped EXE 3 IoCs

Processes:

csrss.exeinjector.exef801950a962ddba14caaa44bf084b55c.exe

pid process

3376 csrss.exe
3720 injector.exe
3488 f801950a962ddba14caaa44bf084b55c.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4684 netsh.exe

pid	process
3376	csrss.exe
3720	injector.exe
3488	f801950a962ddba14caaa44bf084b55c.exe

pid	process
4684	netsh.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe	upx
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe	upx
behavioral1/memory/3488-157-0x0000000000400000-0x0000000000C25000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\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:

a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe

description	ioc	process
File opened for modification	C:\Windows\rss	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
File created	C:\Windows\rss\csrss.exe	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4032 2756 WerFault.exe a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.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

4356 schtasks.exe
392 schtasks.exe

pid	pid_target	process	target process
4032	2756	WerFault.exe	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe

pid	process
4356	schtasks.exe
392	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe

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"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.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"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.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"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.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"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exea9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exeinjector.execsrss.exe

pid	process
1208	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
1208	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
2756	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
2756	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
2756	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
2756	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
2756	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
2756	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
2756	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
2756	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
2756	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
2756	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3376	csrss.exe
3376	csrss.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3376	csrss.exe
3376	csrss.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe
3720	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	1208	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Token: SeImpersonatePrivilege	1208	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
Token: SeTcbPrivilege	5028	svchost.exe
Token: SeTcbPrivilege	5028	svchost.exe
Token: SeBackupPrivilege	5028	svchost.exe
Token: SeRestorePrivilege	5028	svchost.exe
Token: SeBackupPrivilege	5028	svchost.exe
Token: SeRestorePrivilege	5028	svchost.exe
Token: SeBackupPrivilege	5028	svchost.exe
Token: SeRestorePrivilege	5028	svchost.exe
Token: SeSystemEnvironmentPrivilege	3376	csrss.exe
Token: SeBackupPrivilege	5028	svchost.exe
Token: SeRestorePrivilege	5028	svchost.exe
Token: SeBackupPrivilege	5028	svchost.exe
Token: SeRestorePrivilege	5028	svchost.exe
Token: SeBackupPrivilege	5028	svchost.exe
Token: SeRestorePrivilege	5028	svchost.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

svchost.exea9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.execmd.execsrss.exe

description	pid	process	target process
PID 5028 wrote to memory of 2756	5028	svchost.exe	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
PID 5028 wrote to memory of 2756	5028	svchost.exe	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
PID 5028 wrote to memory of 2756	5028	svchost.exe	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
PID 2756 wrote to memory of 1692	2756	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe	cmd.exe
PID 2756 wrote to memory of 1692	2756	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe	cmd.exe
PID 1692 wrote to memory of 4684	1692	cmd.exe	netsh.exe
PID 1692 wrote to memory of 4684	1692	cmd.exe	netsh.exe
PID 2756 wrote to memory of 3376	2756	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe	csrss.exe
PID 2756 wrote to memory of 3376	2756	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe	csrss.exe
PID 2756 wrote to memory of 3376	2756	a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe	csrss.exe
PID 5028 wrote to memory of 4356	5028	svchost.exe	schtasks.exe
PID 5028 wrote to memory of 4356	5028	svchost.exe	schtasks.exe
PID 5028 wrote to memory of 3940	5028	svchost.exe	schtasks.exe
PID 5028 wrote to memory of 3940	5028	svchost.exe	schtasks.exe
PID 3376 wrote to memory of 3720	3376	csrss.exe	injector.exe
PID 3376 wrote to memory of 3720	3376	csrss.exe	injector.exe
PID 5028 wrote to memory of 392	5028	svchost.exe	schtasks.exe
PID 5028 wrote to memory of 392	5028	svchost.exe	schtasks.exe
PID 3376 wrote to memory of 3488	3376	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 3376 wrote to memory of 3488	3376	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 3376 wrote to memory of 3488	3376	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe

C:\Users\Admin\AppData\Local\Temp\a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
"C:\Users\Admin\AppData\Local\Temp\a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1208

C:\Users\Admin\AppData\Local\Temp\a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.exe
"C:\Users\Admin\AppData\Local\Temp\a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de.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:2756

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:1692

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:4684

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:3376

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:4356

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:3940

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:3720

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:392

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
4⤵
- Executes dropped EXE
PID:3488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 872
3⤵
- Program crash
PID:4032

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:5028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2756 -ip 2756
1⤵
PID:208

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
Filesize
3.2MB

MD5
f801950a962ddba14caaa44bf084b55c

SHA1
7cadc9076121297428442785536ba0df2d4ae996

SHA256
c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f

SHA512
4183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
Filesize
3.2MB

MD5
f801950a962ddba14caaa44bf084b55c

SHA1
7cadc9076121297428442785536ba0df2d4ae996

SHA256
c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f

SHA512
4183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5

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:\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
a74832e21e306d533ae1dc526afe3a81

SHA1
a2515a0d75a11a111c83b25476faccccbfebd577

SHA256
a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de

SHA512
b765d0975d34a68979c384f90962c5e8e2d4ab2098251c06f49bc3c267f7fa117ae4ef8e8949bcaeef116ed34a4b9b566dc8446dc6368870855cec2dcbfe2e5a

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

MD5
a74832e21e306d533ae1dc526afe3a81

SHA1
a2515a0d75a11a111c83b25476faccccbfebd577

SHA256
a9d7793620418cb43e434a69b47310d76ae13d5036e30479e4bc1b6f522ec2de

SHA512
b765d0975d34a68979c384f90962c5e8e2d4ab2098251c06f49bc3c267f7fa117ae4ef8e8949bcaeef116ed34a4b9b566dc8446dc6368870855cec2dcbfe2e5a

Download Submit
memory/392-152-0x0000000000000000-mapping.dmp

Download
memory/1208-133-0x0000000003000000-0x0000000003877000-memory.dmp

Filesize
8.5MB

Download
memory/1208-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1208-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1208-132-0x0000000002C09000-0x0000000002FF2000-memory.dmp

Filesize
3.9MB

Download
memory/1692-137-0x0000000000000000-mapping.dmp

Download
memory/2756-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2756-140-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2756-139-0x00000000029C2000-0x0000000002DAB000-memory.dmp

Filesize
3.9MB

Download
memory/2756-135-0x0000000000000000-mapping.dmp

Download
memory/3376-141-0x0000000000000000-mapping.dmp

Download
memory/3376-147-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/3376-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3376-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3488-154-0x0000000000000000-mapping.dmp

Download
memory/3488-157-0x0000000000400000-0x0000000000C25000-memory.dmp

Filesize
8.1MB

Download
memory/3720-149-0x0000000000000000-mapping.dmp

Download
memory/3940-146-0x0000000000000000-mapping.dmp

Download
memory/4356-145-0x0000000000000000-mapping.dmp

Download
memory/4684-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads