glupteba | e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6

General

Target

e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Size

3.8MB
MD5

b8ccdb89d315222b91ceda4d1a2e4520
SHA1

83aafccce18edf3713d48eebd1c399c9d839c9e7
SHA256

e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6
SHA512

0617d4732ebe6cec11bf33c52a1c114abf80a8690faeb8e45b636f8f35c220f8ae202129e81e56445f47f2c3041040c53726df4ad12642d7eb75fbb4cab2e8b0

Score

10^/10

glupteba dropper evasion loader persistence

Malware Config

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/4568-136-0x00000000016D0000-0x0000000001DBF000-memory.dmp	family_glupteba
behavioral2/memory/4568-137-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral2/memory/4568-139-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral2/memory/1832-141-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral2/memory/1832-149-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral2/memory/3168-151-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral2/memory/3168-152-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

svchost.exe

description pid process target process

PID 3408 created 4568 3408 svchost.exe e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Executes dropped EXE 1 IoCs

Processes:

csrss.exe

pid process

3168 csrss.exe
Modifies Windows Firewall 1 TTPs 2 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exenetsh.exe

pid process

2348 netsh.exe
1920 netsh.exe

description	pid	process	target process
PID 3408 created 4568	3408	svchost.exe	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe

pid	process
3168	csrss.exe

pid	process
2348	netsh.exe
1920	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DawnTree = "\"C:\\Windows\\rss\\csrss.exe\""	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe

Drops file in System32 directory 6 IoCs

Processes:

csrss.exe

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

Drops file in Windows directory 2 IoCs

Processes:

e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe

description	ioc	process
File created	C:\Windows\rss\csrss.exe	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
File opened for modification	C:\Windows\rss	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.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\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	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"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time"	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

csrss.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	csrss.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	csrss.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 5c0000000100000004000000001000001900000001000000100000002fe1f70bb05d7c92335bc5e05b984da60f00000001000000200000003f0411ede9c4477057d57e57883b1f205b20cdc0f3263129b1ee0269a2678f63030000000100000014000000cabd2a79a1076a31f21d253635cb039d4329a5e814000000010000001400000079b459e67bb6e5e40173800888c81a58f6e99b6e0400000001000000100000000cd2f9e0da1773e9ed864da5e370e74e20000000010000006f0500003082056b30820353a0030201020211008210cfb0d240e3594463e0bb63828b00300d06092a864886f70d01010b0500304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f74205831301e170d3135303630343131303433385a170d3335303630343131303433385a304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f7420583130820222300d06092a864886f70d01010105000382020f003082020a0282020100ade82473f41437f39b9e2b57281c87bedcb7df38908c6e3ce657a078f775c2a2fef56a6ef6004f28dbde68866c4493b6b163fd14126bbf1fd2ea319b217ed1333cba48f5dd79dfb3b8ff12f1219a4bc18a8671694a66666c8f7e3c70bfad292206f3e4c0e680aee24b8fb7997e94039fd347977c99482353e838ae4f0a6f832ed149578c8074b6da2fd0388d7b0370211b75f2303cfa8faeddda63abeb164fc28e114b7ecf0be8ffb5772ef4b27b4ae04c12250c708d0329a0e15324ec13d9ee19bf10b34a8c3f89a36151deac870794f46371ec2ee26f5b9881e1895c34796c76ef3b906279e6dba49a2f26c5d010e10eded9108e16fbb7f7a8f7c7e50207988f360895e7e237960d36759efb0e72b11d9bbc03f94905d881dd05b42ad641e9ac0176950a0fd8dfd5bd121f352f28176cd298c1a80964776e4737baceac595e689d7f72d689c50641293e593edd26f524c911a75aa34c401f46a199b5a73a516e863b9e7d72a712057859ed3e5178150b038f8dd02f05b23e7b4a1c4b730512fcc6eae050137c439374b3ca74e78e1f0108d030d45b7136b407bac130305c48b7823b98a67d608aa2a32982ccbabd83041ba2830341a1d605f11bc2b6f0a87c863b46a8482a88dc769a76bf1f6aa53d198feb38f364dec82b0d0a28fff7dbe21542d422d0275de179fe18e77088ad4ee6d98b3ac6dd27516effbc64f533434f0203010001a3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e0416041479b459e67bb6e5e40173800888c81a58f6e99b6e300d06092a864886f70d01010b05000382020100551f58a9bcb2a850d00cb1d81a6920272908ac61755c8a6ef882e5692fd5f6564bb9b8731059d321977ee74c71fbb2d260ad39a80bea17215685f1500e59ebcee059e9bac915ef869d8f8480f6e4e99190dc179b621b45f06695d27c6fc2ea3bef1fcfcbd6ae27f1a9b0c8aefd7d7e9afa2204ebffd97fea912b22b1170e8ff28a345b58d8fc01c954b9b826cc8a8833894c2d843c82dfee965705ba2cbbf7c4b7c74e3b82be31c822737392d1c280a43939103323824c3c9f86b255981dbe29868c229b9ee26b3b573a82704ddc09c789cb0a074d6ce85d8ec9efceabc7bbb52b4e45d64ad026cce572ca086aa595e315a1f7a4edc92c5fa5fbffac28022ebed77bbbe3717b9016d3075e46537c3707428cd3c4969cd599b52ae0951a8048ae4c3907cecc47a452952bbab8fbadd233537de51d4d6dd5a1b1c7426fe64027355ca328b7078de78d3390e7239ffb509c796c46d5b415b3966e7e9b0c963ab8522d3fd65be1fb08c284fe24a8a389daac6ae1182ab1a843615bd31fdc3b8d76f22de88d75df17336c3d53fb7bcb415fffdca2d06138e196b8ac5d8b37d775d533c09911ae9d41c1727584be0241425f67244894d19b27be073fb9b84f817451e17ab7ed9d23e2bee0d52804133c31039edd7a6c8fc60718c67fde478e3f289e0406cfa5543477bdec899be91743df5bdb5ffe8e1e57a2cd409d7e6222dade1827	csrss.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exee271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.execsrss.exe

pid	process
4568	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
4568	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
4568	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
4568	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
4568	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
4568	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
4568	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
4568	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
1832	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
1832	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
1832	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
1832	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
1832	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
1832	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
3168	csrss.exe
3168	csrss.exe
3168	csrss.exe
3168	csrss.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	4568	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Token: SeImpersonatePrivilege	4568	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
Token: SeTcbPrivilege	3408	svchost.exe
Token: SeTcbPrivilege	3408	svchost.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

svchost.exee271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.execmd.execmd.exe

description	pid	process	target process
PID 3408 wrote to memory of 1832	3408	svchost.exe	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
PID 3408 wrote to memory of 1832	3408	svchost.exe	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
PID 3408 wrote to memory of 1832	3408	svchost.exe	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
PID 1832 wrote to memory of 4536	1832	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe	cmd.exe
PID 1832 wrote to memory of 4536	1832	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe	cmd.exe
PID 4536 wrote to memory of 2348	4536	cmd.exe	netsh.exe
PID 4536 wrote to memory of 2348	4536	cmd.exe	netsh.exe
PID 1832 wrote to memory of 4248	1832	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe	cmd.exe
PID 1832 wrote to memory of 4248	1832	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe	cmd.exe
PID 4248 wrote to memory of 1920	4248	cmd.exe	netsh.exe
PID 4248 wrote to memory of 1920	4248	cmd.exe	netsh.exe
PID 1832 wrote to memory of 3168	1832	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe	csrss.exe
PID 1832 wrote to memory of 3168	1832	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe	csrss.exe
PID 1832 wrote to memory of 3168	1832	e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe	csrss.exe

C:\Users\Admin\AppData\Local\Temp\e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
"C:\Users\Admin\AppData\Local\Temp\e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4568

C:\Users\Admin\AppData\Local\Temp\e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe
"C:\Users\Admin\AppData\Local\Temp\e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1832

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:4536

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:2348

C:\Windows\system32\cmd.exe
C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet\cloudnet.exe" enable=yes"
3⤵
- Suspicious use of WriteProcessMemory
PID:4248

C:\Windows\system32\netsh.exe
netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet\cloudnet.exe" enable=yes
4⤵
- Modifies Windows Firewall
PID:1920

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe ""
3⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:3168

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:3408

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Install Root Certificate

1

T1130

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Windows\rss\csrss.exe
Filesize
3.8MB

MD5
b8ccdb89d315222b91ceda4d1a2e4520

SHA1
83aafccce18edf3713d48eebd1c399c9d839c9e7

SHA256
e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6

SHA512
0617d4732ebe6cec11bf33c52a1c114abf80a8690faeb8e45b636f8f35c220f8ae202129e81e56445f47f2c3041040c53726df4ad12642d7eb75fbb4cab2e8b0

Download Submit
C:\Windows\rss\csrss.exe
Filesize
3.8MB

MD5
b8ccdb89d315222b91ceda4d1a2e4520

SHA1
83aafccce18edf3713d48eebd1c399c9d839c9e7

SHA256
e271392cca5ce0b7e49d70581c192fb740c3756055359b15e991eb07482a5bc6

SHA512
0617d4732ebe6cec11bf33c52a1c114abf80a8690faeb8e45b636f8f35c220f8ae202129e81e56445f47f2c3041040c53726df4ad12642d7eb75fbb4cab2e8b0

Download Submit
memory/1832-149-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/1832-138-0x0000000000000000-mapping.dmp

Download
memory/1832-140-0x0000000001138000-0x00000000014DC000-memory.dmp

Filesize
3.6MB

Download
memory/1832-141-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/1920-145-0x0000000000000000-mapping.dmp

Download
memory/2348-143-0x0000000000000000-mapping.dmp

Download
memory/3168-146-0x0000000000000000-mapping.dmp

Download
memory/3168-150-0x0000000001500000-0x00000000018A4000-memory.dmp

Filesize
3.6MB

Download
memory/3168-151-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/3168-152-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/4248-144-0x0000000000000000-mapping.dmp

Download
memory/4536-142-0x0000000000000000-mapping.dmp

Download
memory/4568-135-0x0000000001322000-0x00000000016C6000-memory.dmp

Filesize
3.6MB

Download
memory/4568-139-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/4568-137-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/4568-136-0x00000000016D0000-0x0000000001DBF000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads