glupteba | 1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254

General

Target

1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Size

4.1MB
MD5

b358ee0d852701c5a0d570217176317f
SHA1

011d69ee458ee6bb7b16867c97afe285abb2fe2c
SHA256

1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254
SHA512

ed3f1dfd6bc4da6b83ab7648e89e76c2fbf4aa0b29287dfe0b772123643458fea9fd9fe18103deab6cdb42067859133e9f87ae406495e476fc527c7befc33dc4
SSDEEP

98304:Le/yNGDe2t1fm1xky6kLiWwDldOXe8InTkCgkDQiSw:66CLVm1xky6kIDldQonUQX

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 1616 created 3140	1616	svchost.exe	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
PID 1616 created 736	1616	svchost.exe	csrss.exe
PID 1616 created 736	1616	svchost.exe	csrss.exe
PID 1616 created 736	1616	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

736 csrss.exe
2568 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1920 netsh.exe

pid	process
736	csrss.exe
2568	injector.exe

pid	process
1920	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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:

1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe

description	ioc	process
File opened for modification	C:\Windows\rss	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
File created	C:\Windows\rss\csrss.exe	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2284 5100 WerFault.exe 1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.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

1476 schtasks.exe
2072 schtasks.exe

pid	pid_target	process	target process
2284	5100	WerFault.exe	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe

pid	process
1476	schtasks.exe
2072	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.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"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.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"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.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"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.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"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.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"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exeinjector.execsrss.exe

pid	process
3140	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
3140	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
5100	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
5100	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
5100	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
5100	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
5100	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
5100	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
5100	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
5100	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
5100	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
5100	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
736	csrss.exe
736	csrss.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
736	csrss.exe
736	csrss.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe
2568	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	3140	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Token: SeImpersonatePrivilege	3140	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
Token: SeTcbPrivilege	1616	svchost.exe
Token: SeTcbPrivilege	1616	svchost.exe
Token: SeBackupPrivilege	1616	svchost.exe
Token: SeRestorePrivilege	1616	svchost.exe
Token: SeBackupPrivilege	1616	svchost.exe
Token: SeRestorePrivilege	1616	svchost.exe
Token: SeBackupPrivilege	1616	svchost.exe
Token: SeRestorePrivilege	1616	svchost.exe
Token: SeSystemEnvironmentPrivilege	736	csrss.exe
Token: SeBackupPrivilege	1616	svchost.exe
Token: SeRestorePrivilege	1616	svchost.exe
Token: SeBackupPrivilege	1616	svchost.exe
Token: SeRestorePrivilege	1616	svchost.exe
Token: SeBackupPrivilege	1616	svchost.exe
Token: SeRestorePrivilege	1616	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.execmd.execsrss.exe

description	pid	process	target process
PID 1616 wrote to memory of 5100	1616	svchost.exe	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
PID 1616 wrote to memory of 5100	1616	svchost.exe	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
PID 1616 wrote to memory of 5100	1616	svchost.exe	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
PID 5100 wrote to memory of 1484	5100	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe	cmd.exe
PID 5100 wrote to memory of 1484	5100	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe	cmd.exe
PID 1484 wrote to memory of 1920	1484	cmd.exe	netsh.exe
PID 1484 wrote to memory of 1920	1484	cmd.exe	netsh.exe
PID 5100 wrote to memory of 736	5100	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe	csrss.exe
PID 5100 wrote to memory of 736	5100	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe	csrss.exe
PID 5100 wrote to memory of 736	5100	1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe	csrss.exe
PID 1616 wrote to memory of 1476	1616	svchost.exe	schtasks.exe
PID 1616 wrote to memory of 1476	1616	svchost.exe	schtasks.exe
PID 1616 wrote to memory of 4740	1616	svchost.exe	schtasks.exe
PID 1616 wrote to memory of 4740	1616	svchost.exe	schtasks.exe
PID 736 wrote to memory of 2568	736	csrss.exe	injector.exe
PID 736 wrote to memory of 2568	736	csrss.exe	injector.exe
PID 1616 wrote to memory of 2072	1616	svchost.exe	schtasks.exe
PID 1616 wrote to memory of 2072	1616	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
"C:\Users\Admin\AppData\Local\Temp\1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3140
- C:\Users\Admin\AppData\Local\Temp\1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.exe
  "C:\Users\Admin\AppData\Local\Temp\1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254.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:5100
- - 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:1484
  - - 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:1920
- - 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:736
  - - 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:1476
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:4740
  - - 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:2568
  - - 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:2072
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5100 -s 736
    3⤵
    - Program crash
    PID:2284

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:1616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5100 -ip 5100
1⤵
PID:3508

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Windows\rss\csrss.exe

Filesize
4.1MB

MD5
b358ee0d852701c5a0d570217176317f

SHA1
011d69ee458ee6bb7b16867c97afe285abb2fe2c

SHA256
1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254

SHA512
ed3f1dfd6bc4da6b83ab7648e89e76c2fbf4aa0b29287dfe0b772123643458fea9fd9fe18103deab6cdb42067859133e9f87ae406495e476fc527c7befc33dc4

Download Submit
C:\Windows\rss\csrss.exe

Filesize
4.1MB

MD5
b358ee0d852701c5a0d570217176317f

SHA1
011d69ee458ee6bb7b16867c97afe285abb2fe2c

SHA256
1c920f4a55e89e7cc559fcd880000aeb685f4444d4b7d40614e9f27de7979254

SHA512
ed3f1dfd6bc4da6b83ab7648e89e76c2fbf4aa0b29287dfe0b772123643458fea9fd9fe18103deab6cdb42067859133e9f87ae406495e476fc527c7befc33dc4

Download Submit
memory/736-141-0x0000000000000000-mapping.dmp

Download
memory/736-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/736-146-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/736-145-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/1476-147-0x0000000000000000-mapping.dmp

Download
memory/1484-139-0x0000000000000000-mapping.dmp

Download
memory/1920-140-0x0000000000000000-mapping.dmp

Download
memory/2072-152-0x0000000000000000-mapping.dmp

Download
memory/2568-149-0x0000000000000000-mapping.dmp

Download
memory/3140-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3140-133-0x0000000002F60000-0x00000000037D7000-memory.dmp

Filesize
8.5MB

Download
memory/3140-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/3140-132-0x0000000002B74000-0x0000000002F5D000-memory.dmp

Filesize
3.9MB

Download
memory/4740-148-0x0000000000000000-mapping.dmp

Download
memory/5100-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5100-135-0x0000000000000000-mapping.dmp

Download
memory/5100-137-0x000000000287B000-0x0000000002C64000-memory.dmp

Filesize
3.9MB

Download
memory/5100-138-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads