glupteba | 55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214

General

Target

55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Size

4.0MB
MD5

de68328718e95b9e672f67e614cad67d
SHA1

413eeb068f4d715a6c2f14ddc7a8d98d12e896e9
SHA256

55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214
SHA512

d07373a6aa46dff477b3c2262a24acfdca930d55465685e420641e188e1e58a94a4bd836ab4c1850b71ee27932ae251bc84d2493799114b2501033336156f619
SSDEEP

98304:L45PhrmySf+pyRbDe7H6WxSihTXpf3UczsRhT8rr:LAh5SGQRPe7a5inZzMQ/

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 4532 created 1500	4532	svchost.exe	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
PID 4532 created 2228	4532	svchost.exe	csrss.exe
PID 4532 created 2228	4532	svchost.exe	csrss.exe
PID 4532 created 2228	4532	svchost.exe	csrss.exe

Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4800 netsh.exe
Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

2228 csrss.exe
1060 injector.exe

pid	process
4800	netsh.exe

pid	process
2228	csrss.exe
1060	injector.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Drops file in Windows directory 2 IoCs

Processes:

55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe

description	ioc	process
File opened for modification	C:\Windows\rss	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
File created	C:\Windows\rss\csrss.exe	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.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

4540 schtasks.exe
1712 schtasks.exe

pid	process
4540	schtasks.exe
1712	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	csrss.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"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.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"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.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"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.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"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.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"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exeinjector.execsrss.exe

pid	process
1500	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
1500	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
2728	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
2728	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
2728	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
2728	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
2728	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
2728	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
2728	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
2728	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
2728	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
2728	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
2228	csrss.exe
2228	csrss.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
2228	csrss.exe
2228	csrss.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe
1060	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	1500	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Token: SeImpersonatePrivilege	1500	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
Token: SeTcbPrivilege	4532	svchost.exe
Token: SeTcbPrivilege	4532	svchost.exe
Token: SeBackupPrivilege	4532	svchost.exe
Token: SeRestorePrivilege	4532	svchost.exe
Token: SeBackupPrivilege	4532	svchost.exe
Token: SeRestorePrivilege	4532	svchost.exe
Token: SeBackupPrivilege	4532	svchost.exe
Token: SeRestorePrivilege	4532	svchost.exe
Token: SeBackupPrivilege	4532	svchost.exe
Token: SeRestorePrivilege	4532	svchost.exe
Token: SeSystemEnvironmentPrivilege	2228	csrss.exe
Token: SeBackupPrivilege	4532	svchost.exe
Token: SeRestorePrivilege	4532	svchost.exe
Token: SeBackupPrivilege	4532	svchost.exe
Token: SeRestorePrivilege	4532	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.execmd.execsrss.exe

description	pid	process	target process
PID 4532 wrote to memory of 2728	4532	svchost.exe	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
PID 4532 wrote to memory of 2728	4532	svchost.exe	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
PID 4532 wrote to memory of 2728	4532	svchost.exe	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
PID 2728 wrote to memory of 2008	2728	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe	cmd.exe
PID 2728 wrote to memory of 2008	2728	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe	cmd.exe
PID 2008 wrote to memory of 4800	2008	cmd.exe	netsh.exe
PID 2008 wrote to memory of 4800	2008	cmd.exe	netsh.exe
PID 2728 wrote to memory of 2228	2728	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe	csrss.exe
PID 2728 wrote to memory of 2228	2728	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe	csrss.exe
PID 2728 wrote to memory of 2228	2728	55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe	csrss.exe
PID 4532 wrote to memory of 4540	4532	svchost.exe	schtasks.exe
PID 4532 wrote to memory of 4540	4532	svchost.exe	schtasks.exe
PID 4532 wrote to memory of 4680	4532	svchost.exe	schtasks.exe
PID 4532 wrote to memory of 4680	4532	svchost.exe	schtasks.exe
PID 2228 wrote to memory of 1060	2228	csrss.exe	injector.exe
PID 2228 wrote to memory of 1060	2228	csrss.exe	injector.exe
PID 4532 wrote to memory of 1712	4532	svchost.exe	schtasks.exe
PID 4532 wrote to memory of 1712	4532	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
"C:\Users\Admin\AppData\Local\Temp\55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1500

C:\Users\Admin\AppData\Local\Temp\55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.exe
"C:\Users\Admin\AppData\Local\Temp\55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214.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:2728

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:2008

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:4800

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2228

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:4540

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:4680

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:1060

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:1712

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:4532

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

Web Service

1

T1102

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
4.0MB

MD5
de68328718e95b9e672f67e614cad67d

SHA1
413eeb068f4d715a6c2f14ddc7a8d98d12e896e9

SHA256
55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214

SHA512
d07373a6aa46dff477b3c2262a24acfdca930d55465685e420641e188e1e58a94a4bd836ab4c1850b71ee27932ae251bc84d2493799114b2501033336156f619

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

MD5
de68328718e95b9e672f67e614cad67d

SHA1
413eeb068f4d715a6c2f14ddc7a8d98d12e896e9

SHA256
55551ccb0bb48966669cc9d6e4e57879f8e63be37cf12f12891f20196b9df214

SHA512
d07373a6aa46dff477b3c2262a24acfdca930d55465685e420641e188e1e58a94a4bd836ab4c1850b71ee27932ae251bc84d2493799114b2501033336156f619

Download Submit
memory/1060-149-0x0000000000000000-mapping.dmp

Download
memory/1500-133-0x0000000002E00000-0x0000000003677000-memory.dmp

Filesize
8.5MB

Download
memory/1500-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1500-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1500-132-0x0000000002A0F000-0x0000000002DF8000-memory.dmp

Filesize
3.9MB

Download
memory/1712-152-0x0000000000000000-mapping.dmp

Download
memory/2008-137-0x0000000000000000-mapping.dmp

Download
memory/2228-141-0x0000000000000000-mapping.dmp

Download
memory/2228-147-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/2228-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2228-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2728-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2728-140-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2728-138-0x0000000002AE3000-0x0000000002ECC000-memory.dmp

Filesize
3.9MB

Download
memory/2728-135-0x0000000000000000-mapping.dmp

Download
memory/4540-145-0x0000000000000000-mapping.dmp

Download
memory/4680-146-0x0000000000000000-mapping.dmp

Download
memory/4800-139-0x0000000000000000-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