glupteba | 41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9

General

Target

41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
Size

4.3MB
MD5

0c6226d4f64d300596c06d153486ecea
SHA1

34c60db1012c24aff685e9ac9c25c925c4236f08
SHA256

41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9
SHA512

cf8f8cbba886833cc73ffe23bef72a59a32d4a7549e14dad24af75746364f6485642844eb3c32d704525df0cfb5dcfd92fd43c89b240307bceca244be6a9d91b

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 7 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4028-131-0x00000000052B0000-0x0000000005BBA000-memory.dmp	family_glupteba
behavioral2/memory/4028-132-0x0000000000400000-0x0000000002FBE000-memory.dmp	family_glupteba
behavioral2/memory/4028-134-0x0000000000400000-0x0000000002FBE000-memory.dmp	family_glupteba
behavioral2/memory/4052-136-0x0000000000400000-0x0000000002FBE000-memory.dmp	family_glupteba
behavioral2/memory/4052-142-0x0000000000400000-0x0000000002FBE000-memory.dmp	family_glupteba
behavioral2/memory/4688-144-0x0000000000400000-0x0000000002FBE000-memory.dmp	family_glupteba
behavioral2/memory/4688-146-0x0000000000400000-0x0000000002FBE000-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 4488 created 4028	4488	svchost.exe	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
PID 4488 created 4688	4488	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

4688 csrss.exe
2728 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1420 netsh.exe

pid	process
4688	csrss.exe
2728	injector.exe

pid	process
1420	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WanderingSmoke = "\"C:\\Windows\\rss\\csrss.exe\""	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.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 8 IoCs

Processes:

41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E0F5C59F9FA661F6F4C50B87FEF3A15A	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E0F5C59F9FA661F6F4C50B87FEF3A15A	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe

Drops file in Windows directory 2 IoCs

Processes:

41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe

description	ioc	process
File opened for modification	C:\Windows\rss	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
File created	C:\Windows\rss\csrss.exe	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.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

4240 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 24 Go-http-client/1.1

pid	process
4240	schtasks.exe

description	flow	ioc
HTTP User-Agent header	24	Go-http-client/1.1

Modifies data under HKEY_USERS 64 IoCs

Processes:

csrss.exe41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	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"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti 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,-3141 = "South Sudan Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	csrss.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,-2452 = "Saint Pierre Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	csrss.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,-411 = "E. Africa Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard 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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.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\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\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	csrss.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"	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\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time"	csrss.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.execsrss.exeinjector.exe

pid	process
4028	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
4028	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
4052	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
4052	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
4688	csrss.exe
4688	csrss.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe
2728	injector.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exesvchost.exe41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4028	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
Token: SeImpersonatePrivilege	4028	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
Token: SeTcbPrivilege	4488	svchost.exe
Token: SeTcbPrivilege	4488	svchost.exe
Token: SeSystemEnvironmentPrivilege	4052	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
Token: SeBackupPrivilege	4488	svchost.exe
Token: SeRestorePrivilege	4488	svchost.exe
Token: SeBackupPrivilege	4488	svchost.exe
Token: SeRestorePrivilege	4488	svchost.exe
Token: SeSystemEnvironmentPrivilege	4688	csrss.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

svchost.exe41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.execmd.execsrss.exe

description	pid	process	target process
PID 4488 wrote to memory of 4052	4488	svchost.exe	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
PID 4488 wrote to memory of 4052	4488	svchost.exe	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
PID 4488 wrote to memory of 4052	4488	svchost.exe	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
PID 4052 wrote to memory of 344	4052	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe	cmd.exe
PID 4052 wrote to memory of 344	4052	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe	cmd.exe
PID 344 wrote to memory of 1420	344	cmd.exe	netsh.exe
PID 344 wrote to memory of 1420	344	cmd.exe	netsh.exe
PID 4052 wrote to memory of 4688	4052	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe	csrss.exe
PID 4052 wrote to memory of 4688	4052	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe	csrss.exe
PID 4052 wrote to memory of 4688	4052	41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe	csrss.exe
PID 4488 wrote to memory of 4240	4488	svchost.exe	schtasks.exe
PID 4488 wrote to memory of 4240	4488	svchost.exe	schtasks.exe
PID 4688 wrote to memory of 2728	4688	csrss.exe	injector.exe
PID 4688 wrote to memory of 2728	4688	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
"C:\Users\Admin\AppData\Local\Temp\41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4028

C:\Users\Admin\AppData\Local\Temp\41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.exe
"C:\Users\Admin\AppData\Local\Temp\41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9.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:4052

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:344

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:1420

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:4688

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:4240

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:2728

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:4488

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

2

T1112

Install Root Certificate

1

T1130

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

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
4.3MB

MD5
0c6226d4f64d300596c06d153486ecea

SHA1
34c60db1012c24aff685e9ac9c25c925c4236f08

SHA256
41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9

SHA512
cf8f8cbba886833cc73ffe23bef72a59a32d4a7549e14dad24af75746364f6485642844eb3c32d704525df0cfb5dcfd92fd43c89b240307bceca244be6a9d91b

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.3MB

MD5
0c6226d4f64d300596c06d153486ecea

SHA1
34c60db1012c24aff685e9ac9c25c925c4236f08

SHA256
41d694e43be9e3ebbe67b107a261f0e024e051c44df14b5d6fee61f8c7dad2d9

SHA512
cf8f8cbba886833cc73ffe23bef72a59a32d4a7549e14dad24af75746364f6485642844eb3c32d704525df0cfb5dcfd92fd43c89b240307bceca244be6a9d91b

Download Submit
memory/344-137-0x0000000000000000-mapping.dmp

Download
memory/1420-138-0x0000000000000000-mapping.dmp

Download
memory/2728-147-0x0000000000000000-mapping.dmp

Download
memory/4028-131-0x00000000052B0000-0x0000000005BBA000-memory.dmp

Filesize
9.0MB

Download
memory/4028-132-0x0000000000400000-0x0000000002FBE000-memory.dmp

Filesize
43.7MB

Download
memory/4028-134-0x0000000000400000-0x0000000002FBE000-memory.dmp

Filesize
43.7MB

Download
memory/4028-130-0x0000000004E73000-0x00000000052A3000-memory.dmp

Filesize
4.2MB

Download
memory/4052-135-0x0000000004C95000-0x00000000050C5000-memory.dmp

Filesize
4.2MB

Download
memory/4052-142-0x0000000000400000-0x0000000002FBE000-memory.dmp

Filesize
43.7MB

Download
memory/4052-136-0x0000000000400000-0x0000000002FBE000-memory.dmp

Filesize
43.7MB

Download
memory/4052-133-0x0000000000000000-mapping.dmp

Download
memory/4240-145-0x0000000000000000-mapping.dmp

Download
memory/4688-143-0x0000000005200000-0x0000000005630000-memory.dmp

Filesize
4.2MB

Download
memory/4688-144-0x0000000000400000-0x0000000002FBE000-memory.dmp

Filesize
43.7MB

Download
memory/4688-146-0x0000000000400000-0x0000000002FBE000-memory.dmp

Filesize
43.7MB

Download
memory/4688-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads