glupteba | 488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250

General

Target

488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Size

4.1MB
MD5

b35cd48804c07cb07d039eb6fd366657
SHA1

ee226e01bf944b12aa20af9b770d65989a18e31b
SHA256

488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250
SHA512

cfa9cc0a5bf73e777aacaee31319b6374f4417b119ad1eb9798d952d6d4a05b7d6ce318cc0833bc8024045174f4f1c2f7e0af774e74dc1bab183b7761978f97f
SSDEEP

98304:TN5l3z415iJicY9WHt2FLXUjMp9uGF83nwdg:TN51rwcYIEFzUjMp0Gm3nUg

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 4296 created 4084	4296	svchost.exe	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
PID 4296 created 1440	4296	svchost.exe	csrss.exe
PID 4296 created 1440	4296	svchost.exe	csrss.exe
PID 4296 created 1440	4296	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

1440 csrss.exe
2788 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1824 netsh.exe

pid	process
1440	csrss.exe
2788	injector.exe

pid	process
1824	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\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:

488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe

description	ioc	process
File opened for modification	C:\Windows\rss	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
File created	C:\Windows\rss\csrss.exe	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.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

4592 schtasks.exe
1320 schtasks.exe

pid	process
4592	schtasks.exe
1320	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.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,-652 = "AUS Central Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.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"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.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,-2182 = "Astrakhan Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.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"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.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"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	csrss.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,-171 = "Central Daylight Time (Mexico)"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.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,-331 = "E. Europe Daylight Time"	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exeinjector.execsrss.exe

pid	process
4084	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
4084	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
3444	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
3444	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
3444	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
3444	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
3444	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
3444	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
3444	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
3444	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
3444	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
3444	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
1440	csrss.exe
1440	csrss.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
1440	csrss.exe
1440	csrss.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe
2788	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4084	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Token: SeImpersonatePrivilege	4084	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
Token: SeTcbPrivilege	4296	svchost.exe
Token: SeTcbPrivilege	4296	svchost.exe
Token: SeBackupPrivilege	4296	svchost.exe
Token: SeRestorePrivilege	4296	svchost.exe
Token: SeBackupPrivilege	4296	svchost.exe
Token: SeRestorePrivilege	4296	svchost.exe
Token: SeBackupPrivilege	4296	svchost.exe
Token: SeRestorePrivilege	4296	svchost.exe
Token: SeSystemEnvironmentPrivilege	1440	csrss.exe
Token: SeBackupPrivilege	4296	svchost.exe
Token: SeRestorePrivilege	4296	svchost.exe
Token: SeBackupPrivilege	4296	svchost.exe
Token: SeRestorePrivilege	4296	svchost.exe
Token: SeBackupPrivilege	4296	svchost.exe
Token: SeRestorePrivilege	4296	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.execmd.execsrss.exe

description	pid	process	target process
PID 4296 wrote to memory of 3444	4296	svchost.exe	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
PID 4296 wrote to memory of 3444	4296	svchost.exe	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
PID 4296 wrote to memory of 3444	4296	svchost.exe	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
PID 3444 wrote to memory of 4544	3444	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe	cmd.exe
PID 3444 wrote to memory of 4544	3444	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe	cmd.exe
PID 4544 wrote to memory of 1824	4544	cmd.exe	netsh.exe
PID 4544 wrote to memory of 1824	4544	cmd.exe	netsh.exe
PID 3444 wrote to memory of 1440	3444	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe	csrss.exe
PID 3444 wrote to memory of 1440	3444	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe	csrss.exe
PID 3444 wrote to memory of 1440	3444	488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe	csrss.exe
PID 4296 wrote to memory of 4592	4296	svchost.exe	schtasks.exe
PID 4296 wrote to memory of 4592	4296	svchost.exe	schtasks.exe
PID 4296 wrote to memory of 3624	4296	svchost.exe	schtasks.exe
PID 4296 wrote to memory of 3624	4296	svchost.exe	schtasks.exe
PID 1440 wrote to memory of 2788	1440	csrss.exe	injector.exe
PID 1440 wrote to memory of 2788	1440	csrss.exe	injector.exe
PID 4296 wrote to memory of 1320	4296	svchost.exe	schtasks.exe
PID 4296 wrote to memory of 1320	4296	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
"C:\Users\Admin\AppData\Local\Temp\488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4084

C:\Users\Admin\AppData\Local\Temp\488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.exe
"C:\Users\Admin\AppData\Local\Temp\488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250.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:3444

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:4544

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:1824

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:1440

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:4592

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:3624

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:2788

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:1320

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:4296

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

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

MD5
b35cd48804c07cb07d039eb6fd366657

SHA1
ee226e01bf944b12aa20af9b770d65989a18e31b

SHA256
488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250

SHA512
cfa9cc0a5bf73e777aacaee31319b6374f4417b119ad1eb9798d952d6d4a05b7d6ce318cc0833bc8024045174f4f1c2f7e0af774e74dc1bab183b7761978f97f

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

MD5
b35cd48804c07cb07d039eb6fd366657

SHA1
ee226e01bf944b12aa20af9b770d65989a18e31b

SHA256
488275caac92ff5cd253b118ac94a4a8b95b91f5cbb93e98d60ac9a914c87250

SHA512
cfa9cc0a5bf73e777aacaee31319b6374f4417b119ad1eb9798d952d6d4a05b7d6ce318cc0833bc8024045174f4f1c2f7e0af774e74dc1bab183b7761978f97f

Download Submit
memory/1320-152-0x0000000000000000-mapping.dmp

Download
memory/1440-147-0x0000000005200000-0x00000000055E9000-memory.dmp

Filesize
3.9MB

Download
memory/1440-149-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/1440-141-0x0000000000000000-mapping.dmp

Download
memory/1440-153-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/1824-139-0x0000000000000000-mapping.dmp

Download
memory/2788-148-0x0000000000000000-mapping.dmp

Download
memory/3444-140-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/3444-135-0x0000000000000000-mapping.dmp

Download
memory/3444-144-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/3444-138-0x0000000004C54000-0x000000000503D000-memory.dmp

Filesize
3.9MB

Download
memory/3624-146-0x0000000000000000-mapping.dmp

Download
memory/4084-132-0x0000000004D80000-0x0000000005169000-memory.dmp

Filesize
3.9MB

Download
memory/4084-136-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/4084-134-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/4084-133-0x0000000005170000-0x00000000059E7000-memory.dmp

Filesize
8.5MB

Download
memory/4544-137-0x0000000000000000-mapping.dmp

Download
memory/4592-145-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads