glupteba | 21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21

General

Target

21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Size

4.0MB
MD5

f38956912d839d9ba354cbe3c65a985e
SHA1

279a5260840526051dbecf578d790aab8b669d6e
SHA256

21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21
SHA512

3532769c284287e2cffb7e97f7a69b802f0381fdd2875df9d455f1f6b1801f17e395d29f67e85862478f6ad253c5db19dff0a823c8a52a7ba7faadc144fe9c5b
SSDEEP

98304:/ReGuQ8kHOnYvSKhKNLwCErpijireyuBRmsazq:/0GemSkKNLFnj2wBcu

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 3476 created 1504	3476	svchost.exe	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
PID 3476 created 4244	3476	svchost.exe	csrss.exe
PID 3476 created 4244	3476	svchost.exe	csrss.exe
PID 3476 created 4244	3476	svchost.exe	csrss.exe

Executes dropped EXE 5 IoCs

Processes:

csrss.exeinjector.exeinjector.exeinjector.exeinjector.exe

pid process

4244 csrss.exe
4976 injector.exe
4304 injector.exe
3852 injector.exe
1132 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4240 netsh.exe

pid	process
4244	csrss.exe
4976	injector.exe
4304	injector.exe
3852	injector.exe
1132	injector.exe

pid	process
4240	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\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:

21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe

description	ioc	process
File created	C:\Windows\rss\csrss.exe	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
File opened for modification	C:\Windows\rss	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.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

3416 schtasks.exe
1252 schtasks.exe

pid	process
3416	schtasks.exe
1252	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.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"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.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"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.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"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.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"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.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"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exeinjector.exeinjector.exeinjector.exeinjector.execsrss.exe

pid	process
1504	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
1504	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
1440	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
1440	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
1440	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
1440	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
1440	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
1440	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
1440	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
1440	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
1440	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
1440	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
3852	injector.exe
3852	injector.exe
4976	injector.exe
4976	injector.exe
4304	injector.exe
1132	injector.exe
1132	injector.exe
4304	injector.exe
3852	injector.exe
3852	injector.exe
4976	injector.exe
4976	injector.exe
1132	injector.exe
4304	injector.exe
1132	injector.exe
4304	injector.exe
3852	injector.exe
3852	injector.exe
4976	injector.exe
4976	injector.exe
4304	injector.exe
1132	injector.exe
4304	injector.exe
1132	injector.exe
3852	injector.exe
3852	injector.exe
4976	injector.exe
4976	injector.exe
1132	injector.exe
4304	injector.exe
1132	injector.exe
4304	injector.exe
4244	csrss.exe
4244	csrss.exe
3852	injector.exe
3852	injector.exe
4976	injector.exe
4976	injector.exe
1132	injector.exe
4304	injector.exe
1132	injector.exe
4304	injector.exe
3852	injector.exe
3852	injector.exe
4976	injector.exe
4976	injector.exe
4304	injector.exe
1132	injector.exe
4304	injector.exe
1132	injector.exe
3852	injector.exe
3852	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	1504	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Token: SeImpersonatePrivilege	1504	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
Token: SeTcbPrivilege	3476	svchost.exe
Token: SeTcbPrivilege	3476	svchost.exe
Token: SeBackupPrivilege	3476	svchost.exe
Token: SeRestorePrivilege	3476	svchost.exe
Token: SeBackupPrivilege	3476	svchost.exe
Token: SeRestorePrivilege	3476	svchost.exe
Token: SeBackupPrivilege	3476	svchost.exe
Token: SeRestorePrivilege	3476	svchost.exe
Token: SeSystemEnvironmentPrivilege	4244	csrss.exe
Token: SeBackupPrivilege	3476	svchost.exe
Token: SeRestorePrivilege	3476	svchost.exe
Token: SeBackupPrivilege	3476	svchost.exe
Token: SeRestorePrivilege	3476	svchost.exe
Token: SeBackupPrivilege	3476	svchost.exe
Token: SeRestorePrivilege	3476	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

svchost.exe21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.execmd.execsrss.exe

description	pid	process	target process
PID 3476 wrote to memory of 1440	3476	svchost.exe	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
PID 3476 wrote to memory of 1440	3476	svchost.exe	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
PID 3476 wrote to memory of 1440	3476	svchost.exe	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
PID 1440 wrote to memory of 4680	1440	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe	cmd.exe
PID 1440 wrote to memory of 4680	1440	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe	cmd.exe
PID 4680 wrote to memory of 4240	4680	cmd.exe	netsh.exe
PID 4680 wrote to memory of 4240	4680	cmd.exe	netsh.exe
PID 1440 wrote to memory of 4244	1440	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe	csrss.exe
PID 1440 wrote to memory of 4244	1440	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe	csrss.exe
PID 1440 wrote to memory of 4244	1440	21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe	csrss.exe
PID 3476 wrote to memory of 3416	3476	svchost.exe	schtasks.exe
PID 3476 wrote to memory of 3416	3476	svchost.exe	schtasks.exe
PID 3476 wrote to memory of 4204	3476	svchost.exe	schtasks.exe
PID 3476 wrote to memory of 4204	3476	svchost.exe	schtasks.exe
PID 4244 wrote to memory of 4976	4244	csrss.exe	injector.exe
PID 4244 wrote to memory of 4976	4244	csrss.exe	injector.exe
PID 4244 wrote to memory of 4304	4244	csrss.exe	injector.exe
PID 4244 wrote to memory of 4304	4244	csrss.exe	injector.exe
PID 4244 wrote to memory of 3852	4244	csrss.exe	injector.exe
PID 4244 wrote to memory of 3852	4244	csrss.exe	injector.exe
PID 4244 wrote to memory of 1132	4244	csrss.exe	injector.exe
PID 4244 wrote to memory of 1132	4244	csrss.exe	injector.exe
PID 3476 wrote to memory of 1252	3476	svchost.exe	schtasks.exe
PID 3476 wrote to memory of 1252	3476	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
"C:\Users\Admin\AppData\Local\Temp\21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1504

C:\Users\Admin\AppData\Local\Temp\21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.exe
"C:\Users\Admin\AppData\Local\Temp\21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21.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:1440

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:4680

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:4240

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:4244

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:3416

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:4204

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:4976

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:4304

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:3852

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:1132

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:1252

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:3476

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

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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:\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:\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
f38956912d839d9ba354cbe3c65a985e

SHA1
279a5260840526051dbecf578d790aab8b669d6e

SHA256
21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21

SHA512
3532769c284287e2cffb7e97f7a69b802f0381fdd2875df9d455f1f6b1801f17e395d29f67e85862478f6ad253c5db19dff0a823c8a52a7ba7faadc144fe9c5b

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

MD5
f38956912d839d9ba354cbe3c65a985e

SHA1
279a5260840526051dbecf578d790aab8b669d6e

SHA256
21f7d20c031cdec75b7b012916ba1d2770a3bef1afeb8298a1adc7f1c665de21

SHA512
3532769c284287e2cffb7e97f7a69b802f0381fdd2875df9d455f1f6b1801f17e395d29f67e85862478f6ad253c5db19dff0a823c8a52a7ba7faadc144fe9c5b

Download Submit
memory/1132-160-0x0000000000000000-mapping.dmp

Download
memory/1252-163-0x0000000000000000-mapping.dmp

Download
memory/1440-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1440-140-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1440-143-0x0000000002AF2000-0x0000000002EDB000-memory.dmp

Filesize
3.9MB

Download
memory/1440-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

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

Download
memory/1440-139-0x0000000002AF2000-0x0000000002EDB000-memory.dmp

Filesize
3.9MB

Download
memory/1504-138-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1504-133-0x0000000002EE0000-0x0000000003757000-memory.dmp

Filesize
8.5MB

Download
memory/1504-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1504-132-0x0000000002AF1000-0x0000000002EDA000-memory.dmp

Filesize
3.9MB

Download
memory/1504-135-0x0000000002EE0000-0x0000000003757000-memory.dmp

Filesize
8.5MB

Download
memory/1504-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3416-151-0x0000000000000000-mapping.dmp

Download
memory/3852-158-0x0000000000000000-mapping.dmp

Download
memory/4204-152-0x0000000000000000-mapping.dmp

Download
memory/4240-142-0x0000000000000000-mapping.dmp

Download
memory/4244-145-0x0000000000000000-mapping.dmp

Download
memory/4244-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4244-150-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4244-149-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/4304-156-0x0000000000000000-mapping.dmp

Download
memory/4680-141-0x0000000000000000-mapping.dmp

Download
memory/4976-154-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads