glupteba | 615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79

General

Target

615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Size

4.5MB
MD5

8ca8725188de3e4a4cb3e5005bb02d23
SHA1

526ce583978781a451a3f6a1991f1f1258c05a9c
SHA256

615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79
SHA512

14ee6bd8e4e54f485f9be9c86c912bb2c8bc937483306021fc5d7373aefb5c741620b1ed8ae001686d81018aba224fab63f2183792efa6a59de2dd8562a0e84b

Score

10^/10

glupteba metasploit backdoor discovery dropper evasion loader persistence trojan

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Signatures

Glupteba
Glupteba is a modular loader written in Golang with various components.
loader dropper glupteba

Glupteba payload 9 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1776-133-0x00000000030A0000-0x00000000039C6000-memory.dmp	family_glupteba
behavioral2/memory/1776-134-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/1776-135-0x00000000030A0000-0x00000000039C6000-memory.dmp	family_glupteba
behavioral2/memory/1776-136-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/1776-138-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/5040-140-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/5040-146-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/2912-148-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/2912-150-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 3920 created 1776	3920	svchost.exe	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
PID 3920 created 2912	3920	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

2912 csrss.exe
2176 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2708 netsh.exe

pid	process
2912	csrss.exe
2176	injector.exe

pid	process
2708	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DawnSnowflake = "\"C:\\Windows\\rss\\csrss.exe\""	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.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

Drops file in System32 directory 6 IoCs

Processes:

615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E0F5C59F9FA661F6F4C50B87FEF3A15A	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E0F5C59F9FA661F6F4C50B87FEF3A15A	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe

Drops file in Windows directory 2 IoCs

Processes:

615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe

description	ioc	process
File opened for modification	C:\Windows\rss	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
File created	C:\Windows\rss\csrss.exe	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4980 schtasks.exe
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.

Processes:

description flow ioc

HTTP User-Agent header 38 Go-http-client/1.1

pid	process
4980	schtasks.exe

description	flow	ioc
HTTP User-Agent header	38	Go-http-client/1.1

Modifies data under HKEY_USERS 64 IoCs

Processes:

csrss.exe615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	csrss.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"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	csrss.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\@tzres.dll,-491 = "India Daylight Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time"	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	csrss.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.execsrss.exeinjector.exe

pid	process
1776	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
1776	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
5040	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
5040	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
2912	csrss.exe
2912	csrss.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe
2176	injector.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exesvchost.exe615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	1776	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Token: SeImpersonatePrivilege	1776	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Token: SeTcbPrivilege	3920	svchost.exe
Token: SeTcbPrivilege	3920	svchost.exe
Token: SeSystemEnvironmentPrivilege	5040	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
Token: SeBackupPrivilege	3920	svchost.exe
Token: SeRestorePrivilege	3920	svchost.exe
Token: SeSystemEnvironmentPrivilege	2912	csrss.exe
Token: SeBackupPrivilege	3920	svchost.exe
Token: SeRestorePrivilege	3920	svchost.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

svchost.exe615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.execmd.execsrss.exe

description	pid	process	target process
PID 3920 wrote to memory of 5040	3920	svchost.exe	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
PID 3920 wrote to memory of 5040	3920	svchost.exe	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
PID 3920 wrote to memory of 5040	3920	svchost.exe	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
PID 5040 wrote to memory of 2788	5040	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe	cmd.exe
PID 5040 wrote to memory of 2788	5040	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe	cmd.exe
PID 2788 wrote to memory of 2708	2788	cmd.exe	netsh.exe
PID 2788 wrote to memory of 2708	2788	cmd.exe	netsh.exe
PID 5040 wrote to memory of 2912	5040	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe	csrss.exe
PID 5040 wrote to memory of 2912	5040	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe	csrss.exe
PID 5040 wrote to memory of 2912	5040	615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe	csrss.exe
PID 3920 wrote to memory of 4980	3920	svchost.exe	schtasks.exe
PID 3920 wrote to memory of 4980	3920	svchost.exe	schtasks.exe
PID 2912 wrote to memory of 2176	2912	csrss.exe	injector.exe
PID 2912 wrote to memory of 2176	2912	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
"C:\Users\Admin\AppData\Local\Temp\615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1776

C:\Users\Admin\AppData\Local\Temp\615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe
"C:\Users\Admin\AppData\Local\Temp\615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79.exe"
2⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5040

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:2788

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:2708

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe ""
3⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2912

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:4980

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:2176

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:3920

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

Install Root Certificate

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

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
4.5MB

MD5
8ca8725188de3e4a4cb3e5005bb02d23

SHA1
526ce583978781a451a3f6a1991f1f1258c05a9c

SHA256
615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79

SHA512
14ee6bd8e4e54f485f9be9c86c912bb2c8bc937483306021fc5d7373aefb5c741620b1ed8ae001686d81018aba224fab63f2183792efa6a59de2dd8562a0e84b

Download Submit
C:\Windows\rss\csrss.exe

Filesize
4.5MB

MD5
8ca8725188de3e4a4cb3e5005bb02d23

SHA1
526ce583978781a451a3f6a1991f1f1258c05a9c

SHA256
615fd9103ed76f3699391abb2cf06d6267dab9453ac662e254202c35dbc53a79

SHA512
14ee6bd8e4e54f485f9be9c86c912bb2c8bc937483306021fc5d7373aefb5c741620b1ed8ae001686d81018aba224fab63f2183792efa6a59de2dd8562a0e84b

Download Submit
memory/1776-138-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/1776-136-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/1776-135-0x00000000030A0000-0x00000000039C6000-memory.dmp

Filesize
9.1MB

Download
memory/1776-134-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/1776-132-0x0000000002C60000-0x000000000309C000-memory.dmp

Filesize
4.2MB

Download
memory/1776-133-0x00000000030A0000-0x00000000039C6000-memory.dmp

Filesize
9.1MB

Download
memory/2176-151-0x0000000000000000-mapping.dmp

Download
memory/2708-142-0x0000000000000000-mapping.dmp

Download
memory/2788-141-0x0000000000000000-mapping.dmp

Download
memory/2912-147-0x0000000002F00000-0x000000000333C000-memory.dmp

Filesize
4.2MB

Download
memory/2912-143-0x0000000000000000-mapping.dmp

Download
memory/2912-148-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/2912-150-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/4980-149-0x0000000000000000-mapping.dmp

Download
memory/5040-146-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/5040-140-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/5040-139-0x00000000029F2000-0x0000000002E2E000-memory.dmp

Filesize
4.2MB

Download
memory/5040-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads