glupteba | 4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d

General

Target

4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Size

4.1MB
MD5

46ae93afd4d3c2c73c31c0bfd1aee688
SHA1

63f18aec11eb36440afcc9160b707d96598fb5d6
SHA256

4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d
SHA512

abcf8e4e67ac4582edfe38588a49aa8fe26202d1bba552efc537c69840f9fdfc62b480b44b45e2f2f1f05a19c43582e2dc023ec852620e9fd03eb7fb4a19b30a
SSDEEP

98304:zMKbOWDfrI4HsNsD3bFRtrhbTfz7dTXvy9R/s15PQj:zM6fuG7DlJflTXks8

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 3 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 3604 created 3020	3604	svchost.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 3604 created 4436	3604	svchost.exe	csrss.exe
PID 3604 created 4436	3604	svchost.exe	csrss.exe

Executes dropped EXE 3 IoCs

Processes:

csrss.execsrss.exeinjector.exe

pid process

2176 csrss.exe
4436 csrss.exe
4336 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2000 netsh.exe

pid	process
2176	csrss.exe
4436	csrss.exe
4336	injector.exe

pid	process
2000	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.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

Suspicious use of SetThreadContext 3 IoCs

Processes:

4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.execsrss.exe

description	pid	process	target process
PID 3652 set thread context of 3020	3652	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 4180 set thread context of 1872	4180	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 2176 set thread context of 4436	2176	csrss.exe	csrss.exe

Drops file in Windows directory 2 IoCs

Processes:

4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe

description	ioc	process
File opened for modification	C:\Windows\rss	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
File created	C:\Windows\rss\csrss.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2292 schtasks.exe

pid	process
2292	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.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"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.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"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.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"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.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"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.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"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.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"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.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"	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exeinjector.execsrss.exe

pid	process
3020	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
3020	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
1872	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
1872	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
1872	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
1872	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
1872	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
1872	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
1872	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
1872	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
1872	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
1872	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
4336	injector.exe
4336	injector.exe
4336	injector.exe
4336	injector.exe
4336	injector.exe
4336	injector.exe
4336	injector.exe
4336	injector.exe
4436	csrss.exe
4436	csrss.exe
4336	injector.exe
4336	injector.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

Processes:

4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	3020	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Token: SeImpersonatePrivilege	3020	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
Token: SeTcbPrivilege	3604	svchost.exe
Token: SeTcbPrivilege	3604	svchost.exe
Token: SeBackupPrivilege	3604	svchost.exe
Token: SeRestorePrivilege	3604	svchost.exe
Token: SeBackupPrivilege	3604	svchost.exe
Token: SeRestorePrivilege	3604	svchost.exe
Token: SeBackupPrivilege	3604	svchost.exe
Token: SeRestorePrivilege	3604	svchost.exe
Token: SeSystemEnvironmentPrivilege	4436	csrss.exe
Token: SeBackupPrivilege	3604	svchost.exe
Token: SeRestorePrivilege	3604	svchost.exe

Suspicious use of WriteProcessMemory 46 IoCs

Processes:

4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exesvchost.exe4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.execmd.execsrss.execsrss.exe

description	pid	process	target process
PID 3652 wrote to memory of 3020	3652	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 3652 wrote to memory of 3020	3652	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 3652 wrote to memory of 3020	3652	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 3652 wrote to memory of 3020	3652	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 3652 wrote to memory of 3020	3652	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 3652 wrote to memory of 3020	3652	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 3652 wrote to memory of 3020	3652	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 3652 wrote to memory of 3020	3652	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 3652 wrote to memory of 3020	3652	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 3652 wrote to memory of 3020	3652	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 3604 wrote to memory of 4180	3604	svchost.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 3604 wrote to memory of 4180	3604	svchost.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 3604 wrote to memory of 4180	3604	svchost.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 4180 wrote to memory of 1872	4180	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 4180 wrote to memory of 1872	4180	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 4180 wrote to memory of 1872	4180	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 4180 wrote to memory of 1872	4180	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 4180 wrote to memory of 1872	4180	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 4180 wrote to memory of 1872	4180	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 4180 wrote to memory of 1872	4180	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 4180 wrote to memory of 1872	4180	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 4180 wrote to memory of 1872	4180	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 4180 wrote to memory of 1872	4180	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
PID 1872 wrote to memory of 4516	1872	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	cmd.exe
PID 1872 wrote to memory of 4516	1872	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	cmd.exe
PID 4516 wrote to memory of 2000	4516	cmd.exe	netsh.exe
PID 4516 wrote to memory of 2000	4516	cmd.exe	netsh.exe
PID 1872 wrote to memory of 2176	1872	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	csrss.exe
PID 1872 wrote to memory of 2176	1872	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	csrss.exe
PID 1872 wrote to memory of 2176	1872	4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe	csrss.exe
PID 2176 wrote to memory of 4436	2176	csrss.exe	csrss.exe
PID 2176 wrote to memory of 4436	2176	csrss.exe	csrss.exe
PID 2176 wrote to memory of 4436	2176	csrss.exe	csrss.exe
PID 2176 wrote to memory of 4436	2176	csrss.exe	csrss.exe
PID 2176 wrote to memory of 4436	2176	csrss.exe	csrss.exe
PID 2176 wrote to memory of 4436	2176	csrss.exe	csrss.exe
PID 2176 wrote to memory of 4436	2176	csrss.exe	csrss.exe
PID 2176 wrote to memory of 4436	2176	csrss.exe	csrss.exe
PID 2176 wrote to memory of 4436	2176	csrss.exe	csrss.exe
PID 2176 wrote to memory of 4436	2176	csrss.exe	csrss.exe
PID 3604 wrote to memory of 2292	3604	svchost.exe	schtasks.exe
PID 3604 wrote to memory of 2292	3604	svchost.exe	schtasks.exe
PID 3604 wrote to memory of 2300	3604	svchost.exe	schtasks.exe
PID 3604 wrote to memory of 2300	3604	svchost.exe	schtasks.exe
PID 4436 wrote to memory of 4336	4436	csrss.exe	injector.exe
PID 4436 wrote to memory of 4336	4436	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
"C:\Users\Admin\AppData\Local\Temp\4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3652

C:\Users\Admin\AppData\Local\Temp\4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
"C:\Users\Admin\AppData\Local\Temp\4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3020

C:\Users\Admin\AppData\Local\Temp\4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
"C:\Users\Admin\AppData\Local\Temp\4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4180

C:\Users\Admin\AppData\Local\Temp\4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe
"C:\Users\Admin\AppData\Local\Temp\4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d.exe"
4⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1872

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"
5⤵
- Suspicious use of WriteProcessMemory
PID:4516

C:\Windows\system32\netsh.exe
netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
6⤵
- Modifies Windows Firewall
PID:2000

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2176

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
6⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4436

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
7⤵
- Creates scheduled task(s)
PID:2292

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
7⤵
PID:2300

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
7⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4336

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:3604

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
46ae93afd4d3c2c73c31c0bfd1aee688

SHA1
63f18aec11eb36440afcc9160b707d96598fb5d6

SHA256
4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d

SHA512
abcf8e4e67ac4582edfe38588a49aa8fe26202d1bba552efc537c69840f9fdfc62b480b44b45e2f2f1f05a19c43582e2dc023ec852620e9fd03eb7fb4a19b30a

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

MD5
46ae93afd4d3c2c73c31c0bfd1aee688

SHA1
63f18aec11eb36440afcc9160b707d96598fb5d6

SHA256
4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d

SHA512
abcf8e4e67ac4582edfe38588a49aa8fe26202d1bba552efc537c69840f9fdfc62b480b44b45e2f2f1f05a19c43582e2dc023ec852620e9fd03eb7fb4a19b30a

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

MD5
46ae93afd4d3c2c73c31c0bfd1aee688

SHA1
63f18aec11eb36440afcc9160b707d96598fb5d6

SHA256
4ba51994bbd938cdda736d8031a71cb04f4a5dbfef3bc388acd81e899b91738d

SHA512
abcf8e4e67ac4582edfe38588a49aa8fe26202d1bba552efc537c69840f9fdfc62b480b44b45e2f2f1f05a19c43582e2dc023ec852620e9fd03eb7fb4a19b30a

Download Submit
memory/1872-152-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1872-142-0x0000000000000000-mapping.dmp

Download
memory/1872-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2000-149-0x0000000000000000-mapping.dmp

Download
memory/2176-156-0x0000000001200000-0x00000000015E9000-memory.dmp

Filesize
3.9MB

Download
memory/2176-150-0x0000000000000000-mapping.dmp

Download
memory/2292-162-0x0000000000000000-mapping.dmp

Download
memory/2300-163-0x0000000000000000-mapping.dmp

Download
memory/3020-132-0x0000000000000000-mapping.dmp

Download
memory/3020-133-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3020-141-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3020-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3020-139-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3020-138-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3652-135-0x0000000000FF4000-0x00000000013DD000-memory.dmp

Filesize
3.9MB

Download
memory/3652-137-0x00000000013E0000-0x0000000001C57000-memory.dmp

Filesize
8.5MB

Download
memory/4180-140-0x0000000000000000-mapping.dmp

Download
memory/4180-145-0x0000000000CEF000-0x00000000010D8000-memory.dmp

Filesize
3.9MB

Download
memory/4336-164-0x0000000000000000-mapping.dmp

Download
memory/4436-161-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4436-160-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4436-154-0x0000000000000000-mapping.dmp

Download
memory/4516-147-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads