glupteba | 23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f

General

Target

23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Size

4.2MB
MD5

cec8527a4141de64f8bbfb7cebcf63b8
SHA1

7f11873dad6d2970440b054d47bf740bf27fffe6
SHA256

23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f
SHA512

10fa63076f4ebbd08d3cdf134d60ec17dea040313a989ea281be394dee2b59e7158dbfa76a1161f4e82d93f32c5f0fe5088756eb7f8b874da1138823ec2e335f
SSDEEP

98304:6telLDUkO9sPk0KAhDY6LKk1S/Ej2gjwm5RFle5:++/UkRPTXLK4Rj2gkm5I5

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 1440 created 4640	1440	svchost.exe	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
PID 1440 created 5048	1440	svchost.exe	csrss.exe
PID 1440 created 5048	1440	svchost.exe	csrss.exe
PID 1440 created 5048	1440	svchost.exe	csrss.exe

Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

608 netsh.exe
Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

5048 csrss.exe
3688 injector.exe

pid	process
608	netsh.exe

pid	process
5048	csrss.exe
3688	injector.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.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\""	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.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:

23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe

description	ioc	process
File opened for modification	C:\Windows\rss	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
File created	C:\Windows\rss\csrss.exe	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3960 4288 WerFault.exe 23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.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

4704 schtasks.exe
4036 schtasks.exe

pid	pid_target	process	target process
3960	4288	WerFault.exe	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe

pid	process
4704	schtasks.exe
4036	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.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,-221 = "Alaskan Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.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"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	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,-462 = "Afghanistan Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.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"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.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"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.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"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.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"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.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"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.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"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.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,-392 = "Arab Standard Time"	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exeinjector.execsrss.exe

pid	process
4640	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
4640	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
4288	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
4288	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
4288	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
4288	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
4288	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
4288	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
4288	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
4288	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
4288	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
4288	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
5048	csrss.exe
5048	csrss.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
5048	csrss.exe
5048	csrss.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe
3688	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4640	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Token: SeImpersonatePrivilege	4640	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
Token: SeTcbPrivilege	1440	svchost.exe
Token: SeTcbPrivilege	1440	svchost.exe
Token: SeBackupPrivilege	1440	svchost.exe
Token: SeRestorePrivilege	1440	svchost.exe
Token: SeBackupPrivilege	1440	svchost.exe
Token: SeRestorePrivilege	1440	svchost.exe
Token: SeSystemEnvironmentPrivilege	5048	csrss.exe
Token: SeBackupPrivilege	1440	svchost.exe
Token: SeRestorePrivilege	1440	svchost.exe
Token: SeBackupPrivilege	1440	svchost.exe
Token: SeRestorePrivilege	1440	svchost.exe
Token: SeBackupPrivilege	1440	svchost.exe
Token: SeRestorePrivilege	1440	svchost.exe
Token: SeBackupPrivilege	1440	svchost.exe
Token: SeRestorePrivilege	1440	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.execmd.execsrss.exe

description	pid	process	target process
PID 1440 wrote to memory of 4288	1440	svchost.exe	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
PID 1440 wrote to memory of 4288	1440	svchost.exe	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
PID 1440 wrote to memory of 4288	1440	svchost.exe	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
PID 4288 wrote to memory of 1124	4288	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe	cmd.exe
PID 4288 wrote to memory of 1124	4288	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe	cmd.exe
PID 1124 wrote to memory of 608	1124	cmd.exe	netsh.exe
PID 1124 wrote to memory of 608	1124	cmd.exe	netsh.exe
PID 4288 wrote to memory of 5048	4288	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe	csrss.exe
PID 4288 wrote to memory of 5048	4288	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe	csrss.exe
PID 4288 wrote to memory of 5048	4288	23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe	csrss.exe
PID 1440 wrote to memory of 4704	1440	svchost.exe	schtasks.exe
PID 1440 wrote to memory of 4704	1440	svchost.exe	schtasks.exe
PID 1440 wrote to memory of 3804	1440	svchost.exe	schtasks.exe
PID 1440 wrote to memory of 3804	1440	svchost.exe	schtasks.exe
PID 5048 wrote to memory of 3688	5048	csrss.exe	injector.exe
PID 5048 wrote to memory of 3688	5048	csrss.exe	injector.exe
PID 1440 wrote to memory of 4036	1440	svchost.exe	schtasks.exe
PID 1440 wrote to memory of 4036	1440	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
"C:\Users\Admin\AppData\Local\Temp\23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4640

C:\Users\Admin\AppData\Local\Temp\23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.exe
"C:\Users\Admin\AppData\Local\Temp\23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f.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:4288

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:1124

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:608

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:5048

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:4704

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:3804

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:3688

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:4036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4288 -s 856
3⤵
- Program crash
PID:3960

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:1440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4288 -ip 4288
1⤵
PID:4320

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
4.2MB

MD5
cec8527a4141de64f8bbfb7cebcf63b8

SHA1
7f11873dad6d2970440b054d47bf740bf27fffe6

SHA256
23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f

SHA512
10fa63076f4ebbd08d3cdf134d60ec17dea040313a989ea281be394dee2b59e7158dbfa76a1161f4e82d93f32c5f0fe5088756eb7f8b874da1138823ec2e335f

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.2MB

MD5
cec8527a4141de64f8bbfb7cebcf63b8

SHA1
7f11873dad6d2970440b054d47bf740bf27fffe6

SHA256
23e94e3b7384a4e08ca5eb3df65320159d11ee12acbae28b8df1a50fdaec3d1f

SHA512
10fa63076f4ebbd08d3cdf134d60ec17dea040313a989ea281be394dee2b59e7158dbfa76a1161f4e82d93f32c5f0fe5088756eb7f8b874da1138823ec2e335f

Download Submit
memory/608-140-0x0000000000000000-mapping.dmp

Download
memory/1124-139-0x0000000000000000-mapping.dmp

Download
memory/3688-149-0x0000000000000000-mapping.dmp

Download
memory/3804-146-0x0000000000000000-mapping.dmp

Download
memory/4036-153-0x0000000000000000-mapping.dmp

Download
memory/4288-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4288-138-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4288-137-0x0000000002AA3000-0x0000000002E8C000-memory.dmp

Filesize
3.9MB

Download
memory/4288-135-0x0000000000000000-mapping.dmp

Download
memory/4640-132-0x00000000029A7000-0x0000000002D90000-memory.dmp

Filesize
3.9MB

Download
memory/4640-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4640-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4640-133-0x0000000002DA0000-0x0000000003617000-memory.dmp

Filesize
8.5MB

Download
memory/4704-145-0x0000000000000000-mapping.dmp

Download
memory/5048-141-0x0000000000000000-mapping.dmp

Download
memory/5048-148-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5048-152-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/5048-147-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads