glupteba | 28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739

General

Target

28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Size

4.1MB
MD5

cc3d64956333e837226f2970c7ddbef8
SHA1

844bb290e146935b6f482a889d5bccd2c892e8f2
SHA256

28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739
SHA512

b975f7f8a2fdd51451b096391ac1bfcc76002abd0f55ed5163ee6607790a541872e51e35a4f29d2f7d87362bcd610f93043e20e1740785c0311c9e62ccc186d5
SSDEEP

98304:L7TfzaiHcQ3VRXxSozCr0smNhcqJFcdmFhzqZJOwslPcviz2Sa:L7Tfz133XxSozCLmNhIdmFgL20viHa

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 4268 created 1508	4268	svchost.exe	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
PID 4268 created 5088	4268	svchost.exe	csrss.exe
PID 4268 created 5088	4268	svchost.exe	csrss.exe
PID 4268 created 5088	4268	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

5088 csrss.exe
2220 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4508 netsh.exe

pid	process
5088	csrss.exe
2220	injector.exe

pid	process
4508	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe

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

Query Registry
T1012
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Drops file in Windows directory 2 IoCs

Processes:

28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe

description	ioc	process
File opened for modification	C:\Windows\rss	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
File created	C:\Windows\rss\csrss.exe	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.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

3028 schtasks.exe
4952 schtasks.exe

pid	process
3028	schtasks.exe
4952	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.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"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	csrss.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,-42 = "E. South America Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	csrss.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,-162 = "Central Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.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"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.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"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	csrss.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,-511 = "Central Asia Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.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"	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exeinjector.execsrss.exe

pid	process
1508	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
1508	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
3612	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
3612	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
3612	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
3612	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
3612	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
3612	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
3612	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
3612	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
3612	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
3612	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
5088	csrss.exe
5088	csrss.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
5088	csrss.exe
5088	csrss.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe
2220	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	1508	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Token: SeImpersonatePrivilege	1508	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
Token: SeTcbPrivilege	4268	svchost.exe
Token: SeTcbPrivilege	4268	svchost.exe
Token: SeBackupPrivilege	4268	svchost.exe
Token: SeRestorePrivilege	4268	svchost.exe
Token: SeBackupPrivilege	4268	svchost.exe
Token: SeRestorePrivilege	4268	svchost.exe
Token: SeBackupPrivilege	4268	svchost.exe
Token: SeRestorePrivilege	4268	svchost.exe
Token: SeBackupPrivilege	4268	svchost.exe
Token: SeRestorePrivilege	4268	svchost.exe
Token: SeSystemEnvironmentPrivilege	5088	csrss.exe
Token: SeBackupPrivilege	4268	svchost.exe
Token: SeRestorePrivilege	4268	svchost.exe
Token: SeBackupPrivilege	4268	svchost.exe
Token: SeRestorePrivilege	4268	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.execmd.execsrss.exe

description	pid	process	target process
PID 4268 wrote to memory of 3612	4268	svchost.exe	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
PID 4268 wrote to memory of 3612	4268	svchost.exe	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
PID 4268 wrote to memory of 3612	4268	svchost.exe	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
PID 3612 wrote to memory of 3708	3612	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe	cmd.exe
PID 3612 wrote to memory of 3708	3612	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe	cmd.exe
PID 3708 wrote to memory of 4508	3708	cmd.exe	netsh.exe
PID 3708 wrote to memory of 4508	3708	cmd.exe	netsh.exe
PID 3612 wrote to memory of 5088	3612	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe	csrss.exe
PID 3612 wrote to memory of 5088	3612	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe	csrss.exe
PID 3612 wrote to memory of 5088	3612	28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe	csrss.exe
PID 4268 wrote to memory of 3028	4268	svchost.exe	schtasks.exe
PID 4268 wrote to memory of 3028	4268	svchost.exe	schtasks.exe
PID 4268 wrote to memory of 4080	4268	svchost.exe	schtasks.exe
PID 4268 wrote to memory of 4080	4268	svchost.exe	schtasks.exe
PID 5088 wrote to memory of 2220	5088	csrss.exe	injector.exe
PID 5088 wrote to memory of 2220	5088	csrss.exe	injector.exe
PID 4268 wrote to memory of 4952	4268	svchost.exe	schtasks.exe
PID 4268 wrote to memory of 4952	4268	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
"C:\Users\Admin\AppData\Local\Temp\28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1508

C:\Users\Admin\AppData\Local\Temp\28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.exe
"C:\Users\Admin\AppData\Local\Temp\28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739.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:3612

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:3708

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:4508

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:5088

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:3028

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:4080

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:2220

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:4952

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:4268

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

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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
cc3d64956333e837226f2970c7ddbef8

SHA1
844bb290e146935b6f482a889d5bccd2c892e8f2

SHA256
28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739

SHA512
b975f7f8a2fdd51451b096391ac1bfcc76002abd0f55ed5163ee6607790a541872e51e35a4f29d2f7d87362bcd610f93043e20e1740785c0311c9e62ccc186d5

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

MD5
cc3d64956333e837226f2970c7ddbef8

SHA1
844bb290e146935b6f482a889d5bccd2c892e8f2

SHA256
28785def6823922fe6fbff2ef34e215fbaaec2253d4fc44eb859b07d9c7b1739

SHA512
b975f7f8a2fdd51451b096391ac1bfcc76002abd0f55ed5163ee6607790a541872e51e35a4f29d2f7d87362bcd610f93043e20e1740785c0311c9e62ccc186d5

Download Submit
memory/1508-133-0x0000000005190000-0x0000000005A07000-memory.dmp

Filesize
8.5MB

Download
memory/1508-134-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/1508-136-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/1508-132-0x0000000004D98000-0x0000000005181000-memory.dmp

Filesize
3.9MB

Download
memory/2220-150-0x0000000000000000-mapping.dmp

Download
memory/3028-146-0x0000000000000000-mapping.dmp

Download
memory/3612-137-0x0000000004C22000-0x000000000500B000-memory.dmp

Filesize
3.9MB

Download
memory/3612-144-0x0000000004C22000-0x000000000500B000-memory.dmp

Filesize
3.9MB

Download
memory/3612-145-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/3612-140-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/3612-135-0x0000000000000000-mapping.dmp

Download
memory/3708-138-0x0000000000000000-mapping.dmp

Download
memory/4080-147-0x0000000000000000-mapping.dmp

Download
memory/4508-139-0x0000000000000000-mapping.dmp

Download
memory/4952-153-0x0000000000000000-mapping.dmp

Download
memory/5088-141-0x0000000000000000-mapping.dmp

Download
memory/5088-148-0x0000000005200000-0x00000000055E9000-memory.dmp

Filesize
3.9MB

Download
memory/5088-149-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/5088-154-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads