glupteba | 4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68

General

Target

4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Size

4.1MB
MD5

ef0a9ec3ea67e1114c54e0130d4e3542
SHA1

97ca96878c58f696da62b47eab95b405bf38f08e
SHA256

4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68
SHA512

c23ce664925918616214d55dc356073db66e07205cb85af6309cbcfb50fb61876802aa8c8bf750a8f949cc0d4172e4d9915ecf7cb723e5e2767e4d382136e662
SSDEEP

98304:dtaEBlqUcLEw7EmeMCmvkA4sReR/bTlPTaVxKT:XblqU6EwJAl2eFlPTaVE

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 1208 created 4712	1208	svchost.exe	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
PID 1208 created 4784	1208	svchost.exe	csrss.exe
PID 1208 created 4784	1208	svchost.exe	csrss.exe
PID 1208 created 4784	1208	svchost.exe	csrss.exe

Executes dropped EXE 3 IoCs

Processes:

csrss.exeinjector.exef801950a962ddba14caaa44bf084b55c.exe

pid process

4784 csrss.exe
2740 injector.exe
4204 f801950a962ddba14caaa44bf084b55c.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3940 netsh.exe

pid	process
4784	csrss.exe
2740	injector.exe
4204	f801950a962ddba14caaa44bf084b55c.exe

pid	process
3940	netsh.exe

UPX packed file 2 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
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:

4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.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\""	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.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
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Drops file in Windows directory 2 IoCs

Processes:

4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe

description	ioc	process
File opened for modification	C:\Windows\rss	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
File created	C:\Windows\rss\csrss.exe	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.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

4596 schtasks.exe
2856 schtasks.exe

pid	process
4596	schtasks.exe
2856	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.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"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.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"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.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"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.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,-462 = "Afghanistan Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.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,-391 = "Arab Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	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,-11 = "Azores Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.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"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.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"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exeinjector.execsrss.exe

pid	process
4712	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
4712	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
672	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
672	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
672	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
672	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
672	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
672	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
672	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
672	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
672	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
672	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
4784	csrss.exe
4784	csrss.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
4784	csrss.exe
4784	csrss.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe
2740	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4712	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Token: SeImpersonatePrivilege	4712	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
Token: SeTcbPrivilege	1208	svchost.exe
Token: SeTcbPrivilege	1208	svchost.exe
Token: SeBackupPrivilege	1208	svchost.exe
Token: SeRestorePrivilege	1208	svchost.exe
Token: SeBackupPrivilege	1208	svchost.exe
Token: SeRestorePrivilege	1208	svchost.exe
Token: SeBackupPrivilege	1208	svchost.exe
Token: SeRestorePrivilege	1208	svchost.exe
Token: SeBackupPrivilege	1208	svchost.exe
Token: SeRestorePrivilege	1208	svchost.exe
Token: SeSystemEnvironmentPrivilege	4784	csrss.exe
Token: SeBackupPrivilege	1208	svchost.exe
Token: SeRestorePrivilege	1208	svchost.exe
Token: SeBackupPrivilege	1208	svchost.exe
Token: SeRestorePrivilege	1208	svchost.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

svchost.exe4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.execmd.execsrss.exe

description	pid	process	target process
PID 1208 wrote to memory of 672	1208	svchost.exe	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
PID 1208 wrote to memory of 672	1208	svchost.exe	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
PID 1208 wrote to memory of 672	1208	svchost.exe	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
PID 672 wrote to memory of 4068	672	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe	cmd.exe
PID 672 wrote to memory of 4068	672	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe	cmd.exe
PID 4068 wrote to memory of 3940	4068	cmd.exe	netsh.exe
PID 4068 wrote to memory of 3940	4068	cmd.exe	netsh.exe
PID 672 wrote to memory of 4784	672	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe	csrss.exe
PID 672 wrote to memory of 4784	672	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe	csrss.exe
PID 672 wrote to memory of 4784	672	4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe	csrss.exe
PID 1208 wrote to memory of 4596	1208	svchost.exe	schtasks.exe
PID 1208 wrote to memory of 4596	1208	svchost.exe	schtasks.exe
PID 1208 wrote to memory of 4628	1208	svchost.exe	schtasks.exe
PID 1208 wrote to memory of 4628	1208	svchost.exe	schtasks.exe
PID 4784 wrote to memory of 2740	4784	csrss.exe	injector.exe
PID 4784 wrote to memory of 2740	4784	csrss.exe	injector.exe
PID 1208 wrote to memory of 2856	1208	svchost.exe	schtasks.exe
PID 1208 wrote to memory of 2856	1208	svchost.exe	schtasks.exe
PID 4784 wrote to memory of 4204	4784	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 4784 wrote to memory of 4204	4784	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe
PID 4784 wrote to memory of 4204	4784	csrss.exe	f801950a962ddba14caaa44bf084b55c.exe

C:\Users\Admin\AppData\Local\Temp\4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
"C:\Users\Admin\AppData\Local\Temp\4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4712

C:\Users\Admin\AppData\Local\Temp\4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.exe
"C:\Users\Admin\AppData\Local\Temp\4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68.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:672

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:4068

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:3940

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:4784

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:4596

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:4628

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:2740

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:2856

C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
4⤵
- Executes dropped EXE
PID:4204

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:1208

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\f801950a962ddba14caaa44bf084b55c.exe
Filesize
3.2MB

MD5
f801950a962ddba14caaa44bf084b55c

SHA1
7cadc9076121297428442785536ba0df2d4ae996

SHA256
c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f

SHA512
4183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe
Filesize
806KB

MD5
999f1f5b585bf0a82390e253a7e88eb1

SHA1
9b965e4e555521358c9136dd4a2bb84b12effd3f

SHA256
98170ed450200b76cb5c7ee3047ab1752f7f3fcfa6c012139c612794b3b019e5

SHA512
2b323fcb1a3ddf111e43326a0f7cfd8fa0b6ebed8a38cae6ef95a5081caa5a600589356a5a2ef6443ff05aad6e959b9ccfe21e945fae0951989e54aa19efbc97

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
ef0a9ec3ea67e1114c54e0130d4e3542

SHA1
97ca96878c58f696da62b47eab95b405bf38f08e

SHA256
4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68

SHA512
c23ce664925918616214d55dc356073db66e07205cb85af6309cbcfb50fb61876802aa8c8bf750a8f949cc0d4172e4d9915ecf7cb723e5e2767e4d382136e662

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

MD5
ef0a9ec3ea67e1114c54e0130d4e3542

SHA1
97ca96878c58f696da62b47eab95b405bf38f08e

SHA256
4177bdc1172208b795caf48075cbd3c5213a27a1374d8de6509f6525781fce68

SHA512
c23ce664925918616214d55dc356073db66e07205cb85af6309cbcfb50fb61876802aa8c8bf750a8f949cc0d4172e4d9915ecf7cb723e5e2767e4d382136e662

Download Submit
memory/672-138-0x00000000028D7000-0x0000000002CC0000-memory.dmp

Filesize
3.9MB

Download
memory/672-135-0x0000000000000000-mapping.dmp

Download
memory/672-140-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/672-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2740-149-0x0000000000000000-mapping.dmp

Download
memory/2856-152-0x0000000000000000-mapping.dmp

Download
memory/3940-139-0x0000000000000000-mapping.dmp

Download
memory/4068-137-0x0000000000000000-mapping.dmp

Download
memory/4204-154-0x0000000000000000-mapping.dmp

Download
memory/4596-146-0x0000000000000000-mapping.dmp

Download
memory/4628-147-0x0000000000000000-mapping.dmp

Download
memory/4712-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4712-132-0x0000000002B9E000-0x0000000002F87000-memory.dmp

Filesize
3.9MB

Download
memory/4712-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4712-133-0x0000000002F90000-0x0000000003807000-memory.dmp

Filesize
8.5MB

Download
memory/4784-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4784-145-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/4784-141-0x0000000000000000-mapping.dmp

Download
memory/4784-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads