glupteba | f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1

General

Target

f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Size

4.0MB
MD5

f84a37249d5ac2990240c538705ff955
SHA1

fafb6726a51a2ec7dcf9b25a4abfc5bffba723e2
SHA256

f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1
SHA512

33842b83408ca5762c718e3161ad0ad85ad45dfebf9a99729a69a9938bc2123d8a5084f39076761be47cd2f7a3da7c5e8dedec42544526621ad39f8c5c8857e8
SSDEEP

98304:L45PhrmySf+pyRbDe7H6WxSihTXpf3UczsRhT8r7:LAh5SGQRPe7a5inZzMQn

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 4332 created 2632	4332	svchost.exe	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
PID 4332 created 4448	4332	svchost.exe	csrss.exe
PID 4332 created 4448	4332	svchost.exe	csrss.exe
PID 4332 created 4448	4332	svchost.exe	csrss.exe

Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3104 netsh.exe
Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

4448 csrss.exe
3676 injector.exe

pid	process
3104	netsh.exe

pid	process
4448	csrss.exe
3676	injector.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 2 IoCs

Processes:

f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe

description	ioc	process
File opened for modification	C:\Windows\rss	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
File created	C:\Windows\rss\csrss.exe	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.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

216 schtasks.exe
808 schtasks.exe

pid	process
216	schtasks.exe
808	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.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"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exef1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exeinjector.execsrss.exe

pid	process
2632	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
2632	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
540	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
540	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
540	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
540	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
540	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
540	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
540	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
540	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
540	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
540	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
4448	csrss.exe
4448	csrss.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
4448	csrss.exe
4448	csrss.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe
3676	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	2632	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Token: SeImpersonatePrivilege	2632	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
Token: SeTcbPrivilege	4332	svchost.exe
Token: SeTcbPrivilege	4332	svchost.exe
Token: SeBackupPrivilege	4332	svchost.exe
Token: SeRestorePrivilege	4332	svchost.exe
Token: SeBackupPrivilege	4332	svchost.exe
Token: SeRestorePrivilege	4332	svchost.exe
Token: SeBackupPrivilege	4332	svchost.exe
Token: SeRestorePrivilege	4332	svchost.exe
Token: SeBackupPrivilege	4332	svchost.exe
Token: SeRestorePrivilege	4332	svchost.exe
Token: SeSystemEnvironmentPrivilege	4448	csrss.exe
Token: SeBackupPrivilege	4332	svchost.exe
Token: SeRestorePrivilege	4332	svchost.exe
Token: SeBackupPrivilege	4332	svchost.exe
Token: SeRestorePrivilege	4332	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exef1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.execmd.execsrss.exe

description	pid	process	target process
PID 4332 wrote to memory of 540	4332	svchost.exe	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
PID 4332 wrote to memory of 540	4332	svchost.exe	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
PID 4332 wrote to memory of 540	4332	svchost.exe	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
PID 540 wrote to memory of 972	540	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe	cmd.exe
PID 540 wrote to memory of 972	540	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe	cmd.exe
PID 972 wrote to memory of 3104	972	cmd.exe	netsh.exe
PID 972 wrote to memory of 3104	972	cmd.exe	netsh.exe
PID 540 wrote to memory of 4448	540	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe	csrss.exe
PID 540 wrote to memory of 4448	540	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe	csrss.exe
PID 540 wrote to memory of 4448	540	f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe	csrss.exe
PID 4332 wrote to memory of 216	4332	svchost.exe	schtasks.exe
PID 4332 wrote to memory of 216	4332	svchost.exe	schtasks.exe
PID 4332 wrote to memory of 4736	4332	svchost.exe	schtasks.exe
PID 4332 wrote to memory of 4736	4332	svchost.exe	schtasks.exe
PID 4448 wrote to memory of 3676	4448	csrss.exe	injector.exe
PID 4448 wrote to memory of 3676	4448	csrss.exe	injector.exe
PID 4332 wrote to memory of 808	4332	svchost.exe	schtasks.exe
PID 4332 wrote to memory of 808	4332	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
"C:\Users\Admin\AppData\Local\Temp\f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2632

C:\Users\Admin\AppData\Local\Temp\f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.exe
"C:\Users\Admin\AppData\Local\Temp\f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1.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:540

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:972

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:3104

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:4448

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:216

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:4736

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:3676

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:808

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:4332

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:\Windows\rss\csrss.exe
Filesize
4.0MB

MD5
f84a37249d5ac2990240c538705ff955

SHA1
fafb6726a51a2ec7dcf9b25a4abfc5bffba723e2

SHA256
f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1

SHA512
33842b83408ca5762c718e3161ad0ad85ad45dfebf9a99729a69a9938bc2123d8a5084f39076761be47cd2f7a3da7c5e8dedec42544526621ad39f8c5c8857e8

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

MD5
f84a37249d5ac2990240c538705ff955

SHA1
fafb6726a51a2ec7dcf9b25a4abfc5bffba723e2

SHA256
f1acee4862d9b1e8b38b8459b858e601d7c8c2e57505d288beb41039605e0af1

SHA512
33842b83408ca5762c718e3161ad0ad85ad45dfebf9a99729a69a9938bc2123d8a5084f39076761be47cd2f7a3da7c5e8dedec42544526621ad39f8c5c8857e8

Download Submit
memory/216-145-0x0000000000000000-mapping.dmp

Download
memory/540-137-0x00000000029B6000-0x0000000002D9F000-memory.dmp

Filesize
3.9MB

Download
memory/540-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/540-138-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/540-135-0x0000000000000000-mapping.dmp

Download
memory/808-152-0x0000000000000000-mapping.dmp

Download
memory/972-139-0x0000000000000000-mapping.dmp

Download
memory/2632-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2632-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2632-132-0x0000000002D0D000-0x00000000030F6000-memory.dmp

Filesize
3.9MB

Download
memory/2632-133-0x0000000003100000-0x0000000003977000-memory.dmp

Filesize
8.5MB

Download
memory/3104-140-0x0000000000000000-mapping.dmp

Download
memory/3676-149-0x0000000000000000-mapping.dmp

Download
memory/4448-147-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/4448-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4448-141-0x0000000000000000-mapping.dmp

Download
memory/4448-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4736-146-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads