glupteba | 5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708

General

Target

5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Size

4.5MB
MD5

2f29ebdaf7b3395ebdadb13f453177c7
SHA1

20913d2d3c145adf43af7f13108cd1eb974862ca
SHA256

5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708
SHA512

27c258f7f4f9add24666daadf62008bff00f224723623b0463a9d455254cfcbbbcda92488530dcb41a3fad0d688c15630e0d8eda3c6fce031db1a91fc9e03ce7

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/3428-133-0x0000000002FD0000-0x00000000038F6000-memory.dmp	family_glupteba
behavioral2/memory/3428-134-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/3428-136-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/1432-139-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/3428-142-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/1432-146-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/392-148-0x0000000003500000-0x0000000003E26000-memory.dmp	family_glupteba
behavioral2/memory/392-149-0x0000000000400000-0x0000000000D41000-memory.dmp	family_glupteba
behavioral2/memory/392-151-0x0000000000400000-0x0000000000D41000-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 3596 created 3428	3596	svchost.exe	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
PID 3596 created 392	3596	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

392 csrss.exe
2712 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4172 netsh.exe

pid	process
392	csrss.exe
2712	injector.exe

pid	process
4172	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HolyHaze = "\"C:\\Windows\\rss\\csrss.exe\""	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.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:

5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E0F5C59F9FA661F6F4C50B87FEF3A15A	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E0F5C59F9FA661F6F4C50B87FEF3A15A	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe

Drops file in Windows directory 2 IoCs

Processes:

5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe

description	ioc	process
File opened for modification	C:\Windows\rss	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
File created	C:\Windows\rss\csrss.exe	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3740 3428 WerFault.exe 5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.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

3288 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 32 Go-http-client/1.1

pid	pid_target	process	target process
3740	3428	WerFault.exe	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe

pid	process
3288	schtasks.exe

description	flow	ioc
HTTP User-Agent header	32	Go-http-client/1.1

Modifies data under HKEY_USERS 64 IoCs

Processes:

csrss.exe5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.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\@tzres.dll,-41 = "E. South America Daylight Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.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,-792 = "SA Western Standard Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.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,-71 = "Newfoundland Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight 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\@tzres.dll,-3142 = "South Sudan Standard Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.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,-282 = "Central Europe Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	csrss.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\@tzres.dll,-252 = "Dateline Standard Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-392 = "Arab Standard Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.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,-591 = "Malay Peninsula Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.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
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,-1832 = "Russia TZ 2 Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.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,-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,-742 = "New Zealand Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.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,-1662 = "Bahia Standard 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\@tzres.dll,-2392 = "Aleutian Standard Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.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\@tzres.dll,-1971 = "Belarus Daylight Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time"	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 0400000001000000100000000cd2f9e0da1773e9ed864da5e370e74e14000000010000001400000079b459e67bb6e5e40173800888c81a58f6e99b6e030000000100000014000000cabd2a79a1076a31f21d253635cb039d4329a5e80f00000001000000200000003f0411ede9c4477057d57e57883b1f205b20cdc0f3263129b1ee0269a2678f631900000001000000100000002fe1f70bb05d7c92335bc5e05b984da620000000010000006f0500003082056b30820353a0030201020211008210cfb0d240e3594463e0bb63828b00300d06092a864886f70d01010b0500304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f74205831301e170d3135303630343131303433385a170d3335303630343131303433385a304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f7420583130820222300d06092a864886f70d01010105000382020f003082020a0282020100ade82473f41437f39b9e2b57281c87bedcb7df38908c6e3ce657a078f775c2a2fef56a6ef6004f28dbde68866c4493b6b163fd14126bbf1fd2ea319b217ed1333cba48f5dd79dfb3b8ff12f1219a4bc18a8671694a66666c8f7e3c70bfad292206f3e4c0e680aee24b8fb7997e94039fd347977c99482353e838ae4f0a6f832ed149578c8074b6da2fd0388d7b0370211b75f2303cfa8faeddda63abeb164fc28e114b7ecf0be8ffb5772ef4b27b4ae04c12250c708d0329a0e15324ec13d9ee19bf10b34a8c3f89a36151deac870794f46371ec2ee26f5b9881e1895c34796c76ef3b906279e6dba49a2f26c5d010e10eded9108e16fbb7f7a8f7c7e50207988f360895e7e237960d36759efb0e72b11d9bbc03f94905d881dd05b42ad641e9ac0176950a0fd8dfd5bd121f352f28176cd298c1a80964776e4737baceac595e689d7f72d689c50641293e593edd26f524c911a75aa34c401f46a199b5a73a516e863b9e7d72a712057859ed3e5178150b038f8dd02f05b23e7b4a1c4b730512fcc6eae050137c439374b3ca74e78e1f0108d030d45b7136b407bac130305c48b7823b98a67d608aa2a32982ccbabd83041ba2830341a1d605f11bc2b6f0a87c863b46a8482a88dc769a76bf1f6aa53d198feb38f364dec82b0d0a28fff7dbe21542d422d0275de179fe18e77088ad4ee6d98b3ac6dd27516effbc64f533434f0203010001a3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e0416041479b459e67bb6e5e40173800888c81a58f6e99b6e300d06092a864886f70d01010b05000382020100551f58a9bcb2a850d00cb1d81a6920272908ac61755c8a6ef882e5692fd5f6564bb9b8731059d321977ee74c71fbb2d260ad39a80bea17215685f1500e59ebcee059e9bac915ef869d8f8480f6e4e99190dc179b621b45f06695d27c6fc2ea3bef1fcfcbd6ae27f1a9b0c8aefd7d7e9afa2204ebffd97fea912b22b1170e8ff28a345b58d8fc01c954b9b826cc8a8833894c2d843c82dfee965705ba2cbbf7c4b7c74e3b82be31c822737392d1c280a43939103323824c3c9f86b255981dbe29868c229b9ee26b3b573a82704ddc09c789cb0a074d6ce85d8ec9efceabc7bbb52b4e45d64ad026cce572ca086aa595e315a1f7a4edc92c5fa5fbffac28022ebed77bbbe3717b9016d3075e46537c3707428cd3c4969cd599b52ae0951a8048ae4c3907cecc47a452952bbab8fbadd233537de51d4d6dd5a1b1c7426fe64027355ca328b7078de78d3390e7239ffb509c796c46d5b415b3966e7e9b0c963ab8522d3fd65be1fb08c284fe24a8a389daac6ae1182ab1a843615bd31fdc3b8d76f22de88d75df17336c3d53fb7bcb415fffdca2d06138e196b8ac5d8b37d775d533c09911ae9d41c1727584be0241425f67244894d19b27be073fb9b84f817451e17ab7ed9d23e2bee0d52804133c31039edd7a6c8fc60718c67fde478e3f289e0406cfa5543477bdec899be91743df5bdb5ffe8e1e57a2cd409d7e6222dade1827	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.execsrss.exeinjector.exe

pid	process
3428	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
3428	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
1432	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
1432	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
392	csrss.exe
392	csrss.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe
2712	injector.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exesvchost.exe5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	3428	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Token: SeImpersonatePrivilege	3428	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Token: SeTcbPrivilege	3596	svchost.exe
Token: SeTcbPrivilege	3596	svchost.exe
Token: SeSystemEnvironmentPrivilege	1432	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
Token: SeBackupPrivilege	3596	svchost.exe
Token: SeRestorePrivilege	3596	svchost.exe
Token: SeSystemEnvironmentPrivilege	392	csrss.exe
Token: SeBackupPrivilege	3596	svchost.exe
Token: SeRestorePrivilege	3596	svchost.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

svchost.exe5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.execmd.execsrss.exe

description	pid	process	target process
PID 3596 wrote to memory of 1432	3596	svchost.exe	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
PID 3596 wrote to memory of 1432	3596	svchost.exe	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
PID 3596 wrote to memory of 1432	3596	svchost.exe	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
PID 1432 wrote to memory of 3232	1432	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe	cmd.exe
PID 1432 wrote to memory of 3232	1432	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe	cmd.exe
PID 3232 wrote to memory of 4172	3232	cmd.exe	netsh.exe
PID 3232 wrote to memory of 4172	3232	cmd.exe	netsh.exe
PID 1432 wrote to memory of 392	1432	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe	csrss.exe
PID 1432 wrote to memory of 392	1432	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe	csrss.exe
PID 1432 wrote to memory of 392	1432	5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe	csrss.exe
PID 3596 wrote to memory of 3288	3596	svchost.exe	schtasks.exe
PID 3596 wrote to memory of 3288	3596	svchost.exe	schtasks.exe
PID 392 wrote to memory of 2712	392	csrss.exe	injector.exe
PID 392 wrote to memory of 2712	392	csrss.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
"C:\Users\Admin\AppData\Local\Temp\5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3428

C:\Users\Admin\AppData\Local\Temp\5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.exe
"C:\Users\Admin\AppData\Local\Temp\5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708.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:1432

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:3232

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:4172

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:392

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:3288

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:2712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 716
2⤵
- Program crash
PID:3740

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:3596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3428 -ip 3428
1⤵
PID:1164

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
4.5MB

MD5
2f29ebdaf7b3395ebdadb13f453177c7

SHA1
20913d2d3c145adf43af7f13108cd1eb974862ca

SHA256
5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708

SHA512
27c258f7f4f9add24666daadf62008bff00f224723623b0463a9d455254cfcbbbcda92488530dcb41a3fad0d688c15630e0d8eda3c6fce031db1a91fc9e03ce7

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.5MB

MD5
2f29ebdaf7b3395ebdadb13f453177c7

SHA1
20913d2d3c145adf43af7f13108cd1eb974862ca

SHA256
5d856f4c0a6a3d6a13cc4b0786328e49511923b3ca208d93010c8e6b122bc708

SHA512
27c258f7f4f9add24666daadf62008bff00f224723623b0463a9d455254cfcbbbcda92488530dcb41a3fad0d688c15630e0d8eda3c6fce031db1a91fc9e03ce7

Download Submit
memory/392-143-0x0000000000000000-mapping.dmp

Download
memory/392-151-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/392-149-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/392-148-0x0000000003500000-0x0000000003E26000-memory.dmp

Filesize
9.1MB

Download
memory/392-147-0x0000000003000000-0x000000000343C000-memory.dmp

Filesize
4.2MB

Download
memory/1432-137-0x0000000000000000-mapping.dmp

Download
memory/1432-139-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/1432-146-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/1432-138-0x0000000002992000-0x0000000002DCE000-memory.dmp

Filesize
4.2MB

Download
memory/2712-152-0x0000000000000000-mapping.dmp

Download
memory/3232-140-0x0000000000000000-mapping.dmp

Download
memory/3288-150-0x0000000000000000-mapping.dmp

Download
memory/3428-132-0x0000000002B90000-0x0000000002FCC000-memory.dmp

Filesize
4.2MB

Download
memory/3428-136-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/3428-142-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/3428-135-0x0000000002B90000-0x0000000002FCC000-memory.dmp

Filesize
4.2MB

Download
memory/3428-134-0x0000000000400000-0x0000000000D41000-memory.dmp

Filesize
9.3MB

Download
memory/3428-133-0x0000000002FD0000-0x00000000038F6000-memory.dmp

Filesize
9.1MB

Download
memory/4172-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads