glupteba | fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b

General

Target

fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Size

4.1MB
MD5

c4bc58ea409dee51e4c1ef8de4402500
SHA1

6d97fc495376afd885a4c80c746062fbce2f50f2
SHA256

fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b
SHA512

be83d67d2da9cd095c15050e7242583f93dadfa3be9a97296edd97da934a5bb2a29675a3817f003bc25212557837b9266e44ff8fac042fcf1773b650029d89ef
SSDEEP

98304:u3xVCXxo1Kmw3N5BZbayOSHcghKLze3Q26NR7:u3xVCXi1KmwdBT9XKXewNR

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 1180 created 3804	1180	svchost.exe	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
PID 1180 created 4564	1180	svchost.exe	csrss.exe
PID 1180 created 4564	1180	svchost.exe	csrss.exe
PID 1180 created 4564	1180	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

4564 csrss.exe
2576 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2040 netsh.exe

pid	process
4564	csrss.exe
2576	injector.exe

pid	process
2040	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.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\""	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.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:

fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe

description	ioc	process
File opened for modification	C:\Windows\rss	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
File created	C:\Windows\rss\csrss.exe	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.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

3856 schtasks.exe
4440 schtasks.exe

pid	process
3856	schtasks.exe
4440	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.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"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.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,-2001 = "Cabo Verde Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.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,-41 = "E. South America Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.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,-331 = "E. Europe Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.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"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	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"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.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,-722 = "Central Pacific Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.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"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exefa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exeinjector.execsrss.exe

pid	process
3804	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
3804	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
1724	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
1724	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
1724	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
1724	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
1724	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
1724	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
1724	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
1724	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
1724	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
1724	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
4564	csrss.exe
4564	csrss.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
4564	csrss.exe
4564	csrss.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe
2576	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	3804	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Token: SeImpersonatePrivilege	3804	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
Token: SeTcbPrivilege	1180	svchost.exe
Token: SeTcbPrivilege	1180	svchost.exe
Token: SeBackupPrivilege	1180	svchost.exe
Token: SeRestorePrivilege	1180	svchost.exe
Token: SeBackupPrivilege	1180	svchost.exe
Token: SeRestorePrivilege	1180	svchost.exe
Token: SeBackupPrivilege	1180	svchost.exe
Token: SeRestorePrivilege	1180	svchost.exe
Token: SeBackupPrivilege	1180	svchost.exe
Token: SeRestorePrivilege	1180	svchost.exe
Token: SeSystemEnvironmentPrivilege	4564	csrss.exe
Token: SeBackupPrivilege	1180	svchost.exe
Token: SeRestorePrivilege	1180	svchost.exe
Token: SeBackupPrivilege	1180	svchost.exe
Token: SeRestorePrivilege	1180	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exefa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.execmd.execsrss.exe

description	pid	process	target process
PID 1180 wrote to memory of 1724	1180	svchost.exe	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
PID 1180 wrote to memory of 1724	1180	svchost.exe	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
PID 1180 wrote to memory of 1724	1180	svchost.exe	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
PID 1724 wrote to memory of 4220	1724	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe	cmd.exe
PID 1724 wrote to memory of 4220	1724	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe	cmd.exe
PID 4220 wrote to memory of 2040	4220	cmd.exe	netsh.exe
PID 4220 wrote to memory of 2040	4220	cmd.exe	netsh.exe
PID 1724 wrote to memory of 4564	1724	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe	csrss.exe
PID 1724 wrote to memory of 4564	1724	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe	csrss.exe
PID 1724 wrote to memory of 4564	1724	fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe	csrss.exe
PID 1180 wrote to memory of 3856	1180	svchost.exe	schtasks.exe
PID 1180 wrote to memory of 3856	1180	svchost.exe	schtasks.exe
PID 1180 wrote to memory of 1084	1180	svchost.exe	schtasks.exe
PID 1180 wrote to memory of 1084	1180	svchost.exe	schtasks.exe
PID 4564 wrote to memory of 2576	4564	csrss.exe	injector.exe
PID 4564 wrote to memory of 2576	4564	csrss.exe	injector.exe
PID 1180 wrote to memory of 4440	1180	svchost.exe	schtasks.exe
PID 1180 wrote to memory of 4440	1180	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
"C:\Users\Admin\AppData\Local\Temp\fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3804

C:\Users\Admin\AppData\Local\Temp\fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.exe
"C:\Users\Admin\AppData\Local\Temp\fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b.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:1724

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:4220

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:2040

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:4564

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:3856

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:1084

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:2576

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:4440

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:1180

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
c4bc58ea409dee51e4c1ef8de4402500

SHA1
6d97fc495376afd885a4c80c746062fbce2f50f2

SHA256
fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b

SHA512
be83d67d2da9cd095c15050e7242583f93dadfa3be9a97296edd97da934a5bb2a29675a3817f003bc25212557837b9266e44ff8fac042fcf1773b650029d89ef

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

MD5
c4bc58ea409dee51e4c1ef8de4402500

SHA1
6d97fc495376afd885a4c80c746062fbce2f50f2

SHA256
fa9a0672fd81e63b2970438e66c4f50450028f651356862b34bcc0015eb7d03b

SHA512
be83d67d2da9cd095c15050e7242583f93dadfa3be9a97296edd97da934a5bb2a29675a3817f003bc25212557837b9266e44ff8fac042fcf1773b650029d89ef

Download Submit
memory/1084-147-0x0000000000000000-mapping.dmp

Download
memory/1724-135-0x0000000000000000-mapping.dmp

Download
memory/1724-138-0x0000000004D74000-0x000000000515D000-memory.dmp

Filesize
3.9MB

Download
memory/1724-140-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/1724-144-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/2040-139-0x0000000000000000-mapping.dmp

Download
memory/2576-149-0x0000000000000000-mapping.dmp

Download
memory/3804-136-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/3804-132-0x0000000004D04000-0x00000000050ED000-memory.dmp

Filesize
3.9MB

Download
memory/3804-133-0x00000000050F0000-0x0000000005967000-memory.dmp

Filesize
8.5MB

Download
memory/3804-134-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/3856-146-0x0000000000000000-mapping.dmp

Download
memory/4220-137-0x0000000000000000-mapping.dmp

Download
memory/4440-152-0x0000000000000000-mapping.dmp

Download
memory/4564-141-0x0000000000000000-mapping.dmp

Download
memory/4564-148-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/4564-145-0x0000000005200000-0x00000000055E9000-memory.dmp

Filesize
3.9MB

Download
memory/4564-153-0x0000000000400000-0x0000000002F78000-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