glupteba | c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858

General

Target

c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Size

4.1MB
MD5

65612b4c36c36d826921d83b6e06c808
SHA1

6e01b5d27846d8e999ea60f2b178ac2dd65e2418
SHA256

c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858
SHA512

812755b11d7429000cc8b64cc7504d22674608acb66f57a84645dccaae6cc96a13012c54c02e523d2a986de00dfa820228e2701acca0f3ed1dcd7a9ce2578312
SSDEEP

98304:H5tCfexSqFjY6mzBi16X+LmEVaMYXj3VvV5:ufeXdY6mzBiQr5

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 1340 created 392	1340	svchost.exe	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
PID 1340 created 2040	1340	svchost.exe	csrss.exe
PID 1340 created 2040	1340	svchost.exe	csrss.exe
PID 1340 created 2040	1340	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

2040 csrss.exe
3732 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

5068 netsh.exe

pid	process
2040	csrss.exe
3732	injector.exe

pid	process
5068	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.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\""	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.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:

c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe

description	ioc	process
File opened for modification	C:\Windows\rss	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
File created	C:\Windows\rss\csrss.exe	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.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

1048 schtasks.exe
2060 schtasks.exe

pid	process
1048	schtasks.exe
2060	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	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,-281 = "Central Europe Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.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"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.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"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.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"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.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"	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exec531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exeinjector.execsrss.exe

pid	process
392	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
392	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
4376	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
4376	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
4376	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
4376	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
4376	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
4376	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
4376	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
4376	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
4376	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
4376	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
2040	csrss.exe
2040	csrss.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
2040	csrss.exe
2040	csrss.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe
3732	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	392	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Token: SeImpersonatePrivilege	392	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
Token: SeTcbPrivilege	1340	svchost.exe
Token: SeTcbPrivilege	1340	svchost.exe
Token: SeBackupPrivilege	1340	svchost.exe
Token: SeRestorePrivilege	1340	svchost.exe
Token: SeBackupPrivilege	1340	svchost.exe
Token: SeRestorePrivilege	1340	svchost.exe
Token: SeBackupPrivilege	1340	svchost.exe
Token: SeRestorePrivilege	1340	svchost.exe
Token: SeBackupPrivilege	1340	svchost.exe
Token: SeRestorePrivilege	1340	svchost.exe
Token: SeSystemEnvironmentPrivilege	2040	csrss.exe
Token: SeBackupPrivilege	1340	svchost.exe
Token: SeRestorePrivilege	1340	svchost.exe
Token: SeBackupPrivilege	1340	svchost.exe
Token: SeRestorePrivilege	1340	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exec531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.execmd.execsrss.exe

description	pid	process	target process
PID 1340 wrote to memory of 4376	1340	svchost.exe	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
PID 1340 wrote to memory of 4376	1340	svchost.exe	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
PID 1340 wrote to memory of 4376	1340	svchost.exe	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
PID 4376 wrote to memory of 4208	4376	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe	cmd.exe
PID 4376 wrote to memory of 4208	4376	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe	cmd.exe
PID 4208 wrote to memory of 5068	4208	cmd.exe	netsh.exe
PID 4208 wrote to memory of 5068	4208	cmd.exe	netsh.exe
PID 4376 wrote to memory of 2040	4376	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe	csrss.exe
PID 4376 wrote to memory of 2040	4376	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe	csrss.exe
PID 4376 wrote to memory of 2040	4376	c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe	csrss.exe
PID 1340 wrote to memory of 2060	1340	svchost.exe	schtasks.exe
PID 1340 wrote to memory of 2060	1340	svchost.exe	schtasks.exe
PID 1340 wrote to memory of 3464	1340	svchost.exe	schtasks.exe
PID 1340 wrote to memory of 3464	1340	svchost.exe	schtasks.exe
PID 2040 wrote to memory of 3732	2040	csrss.exe	injector.exe
PID 2040 wrote to memory of 3732	2040	csrss.exe	injector.exe
PID 1340 wrote to memory of 1048	1340	svchost.exe	schtasks.exe
PID 1340 wrote to memory of 1048	1340	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
"C:\Users\Admin\AppData\Local\Temp\c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:392

C:\Users\Admin\AppData\Local\Temp\c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.exe
"C:\Users\Admin\AppData\Local\Temp\c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858.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:4376

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:4208

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:5068

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:2040

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:2060

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:3464

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:3732

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:1048

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:1340

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

Web Service

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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
65612b4c36c36d826921d83b6e06c808

SHA1
6e01b5d27846d8e999ea60f2b178ac2dd65e2418

SHA256
c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858

SHA512
812755b11d7429000cc8b64cc7504d22674608acb66f57a84645dccaae6cc96a13012c54c02e523d2a986de00dfa820228e2701acca0f3ed1dcd7a9ce2578312

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

MD5
65612b4c36c36d826921d83b6e06c808

SHA1
6e01b5d27846d8e999ea60f2b178ac2dd65e2418

SHA256
c531519dc8e2a606acb54aefc85b1e56d7b4b2eb1f43b87ee84d751e7c932858

SHA512
812755b11d7429000cc8b64cc7504d22674608acb66f57a84645dccaae6cc96a13012c54c02e523d2a986de00dfa820228e2701acca0f3ed1dcd7a9ce2578312

Download Submit
memory/392-133-0x0000000003000000-0x0000000003877000-memory.dmp

Filesize
8.5MB

Download
memory/392-134-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/392-136-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/392-132-0x0000000002C0F000-0x0000000002FF8000-memory.dmp

Filesize
3.9MB

Download
memory/1048-152-0x0000000000000000-mapping.dmp

Download
memory/2040-153-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2040-141-0x0000000000000000-mapping.dmp

Download
memory/2040-145-0x0000000002E00000-0x00000000031E9000-memory.dmp

Filesize
3.9MB

Download
memory/2040-146-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/2060-147-0x0000000000000000-mapping.dmp

Download
memory/3464-148-0x0000000000000000-mapping.dmp

Download
memory/3732-149-0x0000000000000000-mapping.dmp

Download
memory/4208-137-0x0000000000000000-mapping.dmp

Download
memory/4376-144-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4376-140-0x0000000000400000-0x0000000000C91000-memory.dmp

Filesize
8.6MB

Download
memory/4376-139-0x0000000002922000-0x0000000002D0B000-memory.dmp

Filesize
3.9MB

Download
memory/4376-135-0x0000000000000000-mapping.dmp

Download
memory/5068-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads