glupteba | 54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be

General

Target

54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
Size

4.3MB
MD5

61a74e99ff2fb974618ea835ec07f89c
SHA1

330b1a372f3557c33ac38c71ca370340f491a94d
SHA256

54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be
SHA512

13ae2631b47019d4917aa176f899f6f25e4d4ccb363fe81b1afa1de7ef6a196980252687e15c1abc751b29d2001b5ce32b6c748298d0b1dcd4018292abcb0172

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 8 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4600-133-0x00000000052E0000-0x0000000005BEA000-memory.dmp	family_glupteba
behavioral2/memory/4600-134-0x0000000000400000-0x0000000002FBC000-memory.dmp	family_glupteba
behavioral2/memory/4600-136-0x0000000000400000-0x0000000002FBC000-memory.dmp	family_glupteba
behavioral2/memory/2276-138-0x0000000000400000-0x0000000002FBC000-memory.dmp	family_glupteba
behavioral2/memory/2276-141-0x0000000000400000-0x0000000002FBC000-memory.dmp	family_glupteba
behavioral2/memory/2276-145-0x0000000000400000-0x0000000002FBC000-memory.dmp	family_glupteba
behavioral2/memory/3980-147-0x0000000000400000-0x0000000002FBC000-memory.dmp	family_glupteba
behavioral2/memory/3980-149-0x0000000000400000-0x0000000002FBC000-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 4244 created 4600	4244	svchost.exe	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
PID 4244 created 3980	4244	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

3980 csrss.exe
3456 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4252 netsh.exe

pid	process
3980	csrss.exe
3456	injector.exe

pid	process
4252	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PurpleShape = "\"C:\\Windows\\rss\\csrss.exe\""	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.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:

54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E0F5C59F9FA661F6F4C50B87FEF3A15A	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E0F5C59F9FA661F6F4C50B87FEF3A15A	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe

Drops file in Windows directory 2 IoCs

Processes:

54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe

description	ioc	process
File created	C:\Windows\rss\csrss.exe	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
File opened for modification	C:\Windows\rss	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.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

3620 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 19 Go-http-client/1.1

pid	process
3620	schtasks.exe

description	flow	ioc
HTTP User-Agent header	19	Go-http-client/1.1

Modifies data under HKEY_USERS 64 IoCs

Processes:

csrss.exe54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	csrss.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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight 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\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk 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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 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,-2941 = "Sao Tome Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	csrss.exe
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,-2141 = "Transbaikal Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	csrss.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
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.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,-501 = "Nepal 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,-202 = "US Mountain Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	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\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,-2571 = "Turks and Caicos Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight 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\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,-132 = "US Eastern 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\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	csrss.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"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	csrss.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.execsrss.exeinjector.exe

pid	process
4600	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
4600	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
2276	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
2276	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
3980	csrss.exe
3980	csrss.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe
3456	injector.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exesvchost.exe54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	4600	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
Token: SeImpersonatePrivilege	4600	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
Token: SeTcbPrivilege	4244	svchost.exe
Token: SeTcbPrivilege	4244	svchost.exe
Token: SeSystemEnvironmentPrivilege	2276	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
Token: SeBackupPrivilege	4244	svchost.exe
Token: SeRestorePrivilege	4244	svchost.exe
Token: SeSystemEnvironmentPrivilege	3980	csrss.exe
Token: SeBackupPrivilege	4244	svchost.exe
Token: SeRestorePrivilege	4244	svchost.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

svchost.exe54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.execmd.execsrss.exe

description	pid	process	target process
PID 4244 wrote to memory of 2276	4244	svchost.exe	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
PID 4244 wrote to memory of 2276	4244	svchost.exe	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
PID 4244 wrote to memory of 2276	4244	svchost.exe	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
PID 2276 wrote to memory of 1432	2276	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe	cmd.exe
PID 2276 wrote to memory of 1432	2276	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe	cmd.exe
PID 1432 wrote to memory of 4252	1432	cmd.exe	netsh.exe
PID 1432 wrote to memory of 4252	1432	cmd.exe	netsh.exe
PID 2276 wrote to memory of 3980	2276	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe	csrss.exe
PID 2276 wrote to memory of 3980	2276	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe	csrss.exe
PID 2276 wrote to memory of 3980	2276	54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe	csrss.exe
PID 4244 wrote to memory of 3620	4244	svchost.exe	schtasks.exe
PID 4244 wrote to memory of 3620	4244	svchost.exe	schtasks.exe
PID 3980 wrote to memory of 3456	3980	csrss.exe	injector.exe
PID 3980 wrote to memory of 3456	3980	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
"C:\Users\Admin\AppData\Local\Temp\54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4600

C:\Users\Admin\AppData\Local\Temp\54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.exe
"C:\Users\Admin\AppData\Local\Temp\54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be.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:2276

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:1432

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:4252

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:3980

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:3620

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:3456

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:4244

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
61a74e99ff2fb974618ea835ec07f89c

SHA1
330b1a372f3557c33ac38c71ca370340f491a94d

SHA256
54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be

SHA512
13ae2631b47019d4917aa176f899f6f25e4d4ccb363fe81b1afa1de7ef6a196980252687e15c1abc751b29d2001b5ce32b6c748298d0b1dcd4018292abcb0172

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

MD5
61a74e99ff2fb974618ea835ec07f89c

SHA1
330b1a372f3557c33ac38c71ca370340f491a94d

SHA256
54450f27c3e1c4a2dcfd5010a3670b7e5bc9573c8d6acc40d68512964e4f57be

SHA512
13ae2631b47019d4917aa176f899f6f25e4d4ccb363fe81b1afa1de7ef6a196980252687e15c1abc751b29d2001b5ce32b6c748298d0b1dcd4018292abcb0172

Download Submit
memory/1432-139-0x0000000000000000-mapping.dmp

Download
memory/2276-135-0x0000000000000000-mapping.dmp

Download
memory/2276-137-0x0000000004CC2000-0x00000000050F3000-memory.dmp

Filesize
4.2MB

Download
memory/2276-138-0x0000000000400000-0x0000000002FBC000-memory.dmp

Filesize
43.7MB

Download
memory/2276-141-0x0000000000400000-0x0000000002FBC000-memory.dmp

Filesize
43.7MB

Download
memory/2276-145-0x0000000000400000-0x0000000002FBC000-memory.dmp

Filesize
43.7MB

Download
memory/3456-150-0x0000000000000000-mapping.dmp

Download
memory/3620-148-0x0000000000000000-mapping.dmp

Download
memory/3980-142-0x0000000000000000-mapping.dmp

Download
memory/3980-146-0x0000000005100000-0x0000000005531000-memory.dmp

Filesize
4.2MB

Download
memory/3980-147-0x0000000000400000-0x0000000002FBC000-memory.dmp

Filesize
43.7MB

Download
memory/3980-149-0x0000000000400000-0x0000000002FBC000-memory.dmp

Filesize
43.7MB

Download
memory/4252-140-0x0000000000000000-mapping.dmp

Download
memory/4600-132-0x0000000004EAE000-0x00000000052DF000-memory.dmp

Filesize
4.2MB

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memory/4600-136-0x0000000000400000-0x0000000002FBC000-memory.dmp

Filesize
43.7MB

Download
memory/4600-134-0x0000000000400000-0x0000000002FBC000-memory.dmp

Filesize
43.7MB

Download
memory/4600-133-0x00000000052E0000-0x0000000005BEA000-memory.dmp

Filesize
9.0MB

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads