glupteba | a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565

General

Target

a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Size

4.1MB
MD5

a3f2e8137b8748a10760dfaa9f8739be
SHA1

e817f6f445cf4c423a1a13fe49221237771ae6d6
SHA256

a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565
SHA512

6775f9e7b0b0382336471dc14f2440c08dac75f42a6fd0a0be0905b82b719bef52d96878c2cfa8cb3ffa29f539b0e151c33eeb105f4ffb6e6b3a5598a0f75a48
SSDEEP

98304:rPiG3d5il2l8pCrcfzNlt7+i6I2BiezZYW9Jlak7Jk:rPd0l2GpC4plgE43YW9JIP

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 692 created 5048	692	svchost.exe	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
PID 692 created 2432	692	svchost.exe	csrss.exe
PID 692 created 2432	692	svchost.exe	csrss.exe
PID 692 created 2432	692	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

2432 csrss.exe
4528 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1672 netsh.exe

pid	process
2432	csrss.exe
4528	injector.exe

pid	process
1672	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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:

a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe

description	ioc	process
File opened for modification	C:\Windows\rss	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
File created	C:\Windows\rss\csrss.exe	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4992 4124 WerFault.exe a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.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

544 schtasks.exe
2504 schtasks.exe

pid	pid_target	process	target process
4992	4124	WerFault.exe	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe

pid	process
544	schtasks.exe
2504	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.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"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.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"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.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"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.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"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.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"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exea10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exeinjector.execsrss.exe

pid	process
5048	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
5048	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
4124	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
4124	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
4124	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
4124	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
4124	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
4124	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
4124	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
4124	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
4124	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
4124	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
2432	csrss.exe
2432	csrss.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
2432	csrss.exe
2432	csrss.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe
4528	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	5048	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Token: SeImpersonatePrivilege	5048	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
Token: SeTcbPrivilege	692	svchost.exe
Token: SeTcbPrivilege	692	svchost.exe
Token: SeBackupPrivilege	692	svchost.exe
Token: SeRestorePrivilege	692	svchost.exe
Token: SeBackupPrivilege	692	svchost.exe
Token: SeRestorePrivilege	692	svchost.exe
Token: SeBackupPrivilege	692	svchost.exe
Token: SeRestorePrivilege	692	svchost.exe
Token: SeBackupPrivilege	692	svchost.exe
Token: SeRestorePrivilege	692	svchost.exe
Token: SeSystemEnvironmentPrivilege	2432	csrss.exe
Token: SeBackupPrivilege	692	svchost.exe
Token: SeRestorePrivilege	692	svchost.exe
Token: SeBackupPrivilege	692	svchost.exe
Token: SeRestorePrivilege	692	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exea10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.execmd.execsrss.exe

description	pid	process	target process
PID 692 wrote to memory of 4124	692	svchost.exe	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
PID 692 wrote to memory of 4124	692	svchost.exe	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
PID 692 wrote to memory of 4124	692	svchost.exe	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
PID 4124 wrote to memory of 4012	4124	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe	cmd.exe
PID 4124 wrote to memory of 4012	4124	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe	cmd.exe
PID 4012 wrote to memory of 1672	4012	cmd.exe	netsh.exe
PID 4012 wrote to memory of 1672	4012	cmd.exe	netsh.exe
PID 4124 wrote to memory of 2432	4124	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe	csrss.exe
PID 4124 wrote to memory of 2432	4124	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe	csrss.exe
PID 4124 wrote to memory of 2432	4124	a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe	csrss.exe
PID 692 wrote to memory of 544	692	svchost.exe	schtasks.exe
PID 692 wrote to memory of 544	692	svchost.exe	schtasks.exe
PID 692 wrote to memory of 3032	692	svchost.exe	schtasks.exe
PID 692 wrote to memory of 3032	692	svchost.exe	schtasks.exe
PID 2432 wrote to memory of 4528	2432	csrss.exe	injector.exe
PID 2432 wrote to memory of 4528	2432	csrss.exe	injector.exe
PID 692 wrote to memory of 2504	692	svchost.exe	schtasks.exe
PID 692 wrote to memory of 2504	692	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
"C:\Users\Admin\AppData\Local\Temp\a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5048

C:\Users\Admin\AppData\Local\Temp\a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.exe
"C:\Users\Admin\AppData\Local\Temp\a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565.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:4124

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:4012

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:1672

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:2432

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:544

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:3032

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:4528

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:2504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 672
3⤵
- Program crash
PID:4992

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:692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4124 -ip 4124
1⤵
PID:5060

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\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
a3f2e8137b8748a10760dfaa9f8739be

SHA1
e817f6f445cf4c423a1a13fe49221237771ae6d6

SHA256
a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565

SHA512
6775f9e7b0b0382336471dc14f2440c08dac75f42a6fd0a0be0905b82b719bef52d96878c2cfa8cb3ffa29f539b0e151c33eeb105f4ffb6e6b3a5598a0f75a48

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

MD5
a3f2e8137b8748a10760dfaa9f8739be

SHA1
e817f6f445cf4c423a1a13fe49221237771ae6d6

SHA256
a10b330aff5115e2f3fc729e35737902797602c9713c1e96b3c995d47ae90565

SHA512
6775f9e7b0b0382336471dc14f2440c08dac75f42a6fd0a0be0905b82b719bef52d96878c2cfa8cb3ffa29f539b0e151c33eeb105f4ffb6e6b3a5598a0f75a48

Download Submit
memory/544-146-0x0000000000000000-mapping.dmp

Download
memory/1672-139-0x0000000000000000-mapping.dmp

Download
memory/2432-154-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2432-149-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2432-148-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/2432-142-0x0000000000000000-mapping.dmp

Download
memory/2504-153-0x0000000000000000-mapping.dmp

Download
memory/3032-147-0x0000000000000000-mapping.dmp

Download
memory/4012-138-0x0000000000000000-mapping.dmp

Download
memory/4124-141-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4124-145-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4124-140-0x0000000002855000-0x0000000002C3E000-memory.dmp

Filesize
3.9MB

Download
memory/4124-135-0x0000000000000000-mapping.dmp

Download
memory/4528-150-0x0000000000000000-mapping.dmp

Download
memory/5048-132-0x00000000028A5000-0x0000000002C8E000-memory.dmp

Filesize
3.9MB

Download
memory/5048-137-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5048-136-0x00000000028A5000-0x0000000002C8E000-memory.dmp

Filesize
3.9MB

Download
memory/5048-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5048-133-0x0000000002C90000-0x0000000003507000-memory.dmp

Filesize
8.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads