glupteba | 3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21

General

Target

3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Size

4.1MB
MD5

5e995dec2c74d50812aceea4de782f51
SHA1

128710317ac7b528030236488b529fe8063a6e8a
SHA256

3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21
SHA512

fc4db5c1a1db19990e6e169f546651f53ef85e9cfa1d0b386a34501299bc7f06b8df6db59cf95df3d49c687f7f89c37772cc11fc52c3e070efa89d40037ec8cd
SSDEEP

98304:hRw5XPUe62fG7d7Rik3k6ckpmwz5Om7s4kk4cXF15DFwPVf:hR076J7ddik3Vjv44Z4cX75Ef

Score

10^/10

glupteba discovery dropper evasion loader persistence upx

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 60 created 4732	60	svchost.exe	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
PID 60 created 1184	60	svchost.exe	csrss.exe
PID 60 created 1184	60	svchost.exe	csrss.exe
PID 60 created 1184	60	svchost.exe	csrss.exe

Executes dropped EXE 3 IoCs

Processes:

csrss.exeinjector.exef801950a962ddba14caaa44bf084b55c.exe

pid process

1184 csrss.exe
776 injector.exe
1076 f801950a962ddba14caaa44bf084b55c.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4208 netsh.exe

pid	process
1184	csrss.exe
776	injector.exe
1076	f801950a962ddba14caaa44bf084b55c.exe

pid	process
4208	netsh.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\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:

3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe

description	ioc	process
File opened for modification	C:\Windows\rss	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
File created	C:\Windows\rss\csrss.exe	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.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

4576 schtasks.exe
3668 schtasks.exe

pid	process
4576	schtasks.exe
3668	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	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,-1972 = "Belarus Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.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"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.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,-591 = "Malay Peninsula Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.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"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	csrss.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"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.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"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.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"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.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"	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exeinjector.execsrss.exe

pid	process
4732	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
4732	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
992	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
992	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
992	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
992	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
992	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
992	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
992	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
992	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
992	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
992	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
1184	csrss.exe
1184	csrss.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
1184	csrss.exe
1184	csrss.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe
776	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4732	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Token: SeImpersonatePrivilege	4732	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
Token: SeTcbPrivilege	60	svchost.exe
Token: SeTcbPrivilege	60	svchost.exe
Token: SeBackupPrivilege	60	svchost.exe
Token: SeRestorePrivilege	60	svchost.exe
Token: SeBackupPrivilege	60	svchost.exe
Token: SeRestorePrivilege	60	svchost.exe
Token: SeBackupPrivilege	60	svchost.exe
Token: SeRestorePrivilege	60	svchost.exe
Token: SeBackupPrivilege	60	svchost.exe
Token: SeRestorePrivilege	60	svchost.exe
Token: SeSystemEnvironmentPrivilege	1184	csrss.exe
Token: SeBackupPrivilege	60	svchost.exe
Token: SeRestorePrivilege	60	svchost.exe
Token: SeBackupPrivilege	60	svchost.exe
Token: SeRestorePrivilege	60	svchost.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

svchost.exe3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.execmd.execsrss.exe

description	pid	process	target process
PID 60 wrote to memory of 992	60	svchost.exe	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
PID 60 wrote to memory of 992	60	svchost.exe	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
PID 60 wrote to memory of 992	60	svchost.exe	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
PID 992 wrote to memory of 2400	992	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe	cmd.exe
PID 992 wrote to memory of 2400	992	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe	cmd.exe
PID 2400 wrote to memory of 4208	2400	cmd.exe	netsh.exe
PID 2400 wrote to memory of 4208	2400	cmd.exe	netsh.exe
PID 992 wrote to memory of 1184	992	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe	csrss.exe
PID 992 wrote to memory of 1184	992	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe	csrss.exe
PID 992 wrote to memory of 1184	992	3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe	csrss.exe
PID 60 wrote to memory of 4576	60	svchost.exe	schtasks.exe
PID 60 wrote to memory of 4576	60	svchost.exe	schtasks.exe
PID 60 wrote to memory of 2676	60	svchost.exe	schtasks.exe
PID 60 wrote to memory of 2676	60	svchost.exe	schtasks.exe
PID 1184 wrote to memory of 776	1184	csrss.exe	injector.exe
PID 1184 wrote to memory of 776	1184	csrss.exe	injector.exe
PID 60 wrote to memory of 3668	60	svchost.exe	schtasks.exe
PID 60 wrote to memory of 3668	60	svchost.exe	schtasks.exe
PID 1184 wrote to memory of 1076	1184	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 1184 wrote to memory of 1076	1184	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 1184 wrote to memory of 1076	1184	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe

C:\Users\Admin\AppData\Local\Temp\3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
"C:\Users\Admin\AppData\Local\Temp\3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4732

C:\Users\Admin\AppData\Local\Temp\3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.exe
"C:\Users\Admin\AppData\Local\Temp\3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21.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:992

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:2400

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:4208

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:1184

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:4576

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:2676

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:776

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:3668

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
4⤵
- Executes dropped EXE
PID:1076

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:60

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

Web Service

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
Filesize
1.7MB

MD5
f5492328c250c42e2c53c8431742eafe

SHA1
69618d03089d1df065ea09ab5704ad806875d1e5

SHA256
2d8ec854f47197242530a5deddcbd8528ca1aef4aeb14b62d65b6cde24668bac

SHA512
eacf117596aa95f7a8862dc256ee6ce49caba5b5f9d839ad643fb4498e590bb5b6f8a86491452b5dc143142de08cac8a06899dc6a9df2f01870969bf26ecc6ad

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:\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
5e995dec2c74d50812aceea4de782f51

SHA1
128710317ac7b528030236488b529fe8063a6e8a

SHA256
3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21

SHA512
fc4db5c1a1db19990e6e169f546651f53ef85e9cfa1d0b386a34501299bc7f06b8df6db59cf95df3d49c687f7f89c37772cc11fc52c3e070efa89d40037ec8cd

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

MD5
5e995dec2c74d50812aceea4de782f51

SHA1
128710317ac7b528030236488b529fe8063a6e8a

SHA256
3e87b7dda93ee02678a9c1dd39bbd3b0d56c96c60952a1d6c3390374d35c7c21

SHA512
fc4db5c1a1db19990e6e169f546651f53ef85e9cfa1d0b386a34501299bc7f06b8df6db59cf95df3d49c687f7f89c37772cc11fc52c3e070efa89d40037ec8cd

Download Submit
memory/776-149-0x0000000000000000-mapping.dmp

Download
memory/992-138-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/992-137-0x000000000294E000-0x0000000002D37000-memory.dmp

Filesize
3.9MB

Download
memory/992-135-0x0000000000000000-mapping.dmp

Download
memory/992-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1076-154-0x0000000000000000-mapping.dmp

Download
memory/1184-147-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/1184-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/1184-141-0x0000000000000000-mapping.dmp

Download
memory/1184-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2400-139-0x0000000000000000-mapping.dmp

Download
memory/2676-146-0x0000000000000000-mapping.dmp

Download
memory/3668-152-0x0000000000000000-mapping.dmp

Download
memory/4208-140-0x0000000000000000-mapping.dmp

Download
memory/4576-145-0x0000000000000000-mapping.dmp

Download
memory/4732-132-0x0000000002967000-0x0000000002D50000-memory.dmp

Filesize
3.9MB

Download
memory/4732-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4732-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4732-133-0x0000000002D60000-0x00000000035D7000-memory.dmp

Filesize
8.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads