glupteba | e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311

General

Target

e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Size

5.0MB
MD5

06bb2fc76d08b831f2fa9513ed6cd830
SHA1

fa7e1b51e49ef679babefbf8ec36e6063ac30bbe
SHA256

e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311
SHA512

4f220527b791acb1b6909b99b0630d50fc1ca7816a3f36feb9eab0b402f2ac33570c32247f38d936afb4da1878e08983d465e261996caf9a2342609a0b95cb2c

Score

10^/10

glupteba dropper evasion loader persistence suricata

Malware Config

Signatures

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

Glupteba Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1964-131-0x0000000000400000-0x0000000000AE9000-memory.dmp	family_glupteba
behavioral2/memory/1516-136-0x0000000000400000-0x0000000000AE9000-memory.dmp	family_glupteba
behavioral2/memory/4184-143-0x0000000000400000-0x0000000000AE9000-memory.dmp	family_glupteba

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

svchost.exe

description pid process target process

PID 2104 created 1964 2104 svchost.exe e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
suricata: ET MALWARE Glupteba CnC Domain in DNS Lookup
suricata: ET MALWARE Glupteba CnC Domain in DNS Lookup
suricata
Executes dropped EXE 1 IoCs

Processes:

csrss.exe

pid process

4184 csrss.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

description	pid	process	target process
PID 2104 created 1964	2104	svchost.exe	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe

pid	process
4184	csrss.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WeatheredBreeze = "\"C:\\Windows\\rss\\csrss.exe\""	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.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\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
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

Drops file in Windows directory 2 IoCs

Processes:

e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe

description	ioc	process
File created	C:\Windows\rss\csrss.exe	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
File opened for modification	C:\Windows\rss	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.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,-191 = "Mountain Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.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"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.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\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.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,-632 = "Tokyo Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.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"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.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"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.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"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.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 = 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	csrss.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exee76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.execsrss.exe

pid	process
1964	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
1964	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
1964	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
1964	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
1964	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
1964	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
1964	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
1964	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
1516	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
1516	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
1516	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
1516	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
1516	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
1516	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
4184	csrss.exe
4184	csrss.exe
4184	csrss.exe
4184	csrss.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	1964	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Token: SeImpersonatePrivilege	1964	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
Token: SeTcbPrivilege	2104	svchost.exe
Token: SeTcbPrivilege	2104	svchost.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

svchost.exee76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.execmd.execmd.exe

description	pid	process	target process
PID 2104 wrote to memory of 1516	2104	svchost.exe	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
PID 2104 wrote to memory of 1516	2104	svchost.exe	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
PID 2104 wrote to memory of 1516	2104	svchost.exe	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
PID 1516 wrote to memory of 2772	1516	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe	cmd.exe
PID 1516 wrote to memory of 2772	1516	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe	cmd.exe
PID 2772 wrote to memory of 4496	2772	cmd.exe	netsh.exe
PID 2772 wrote to memory of 4496	2772	cmd.exe	netsh.exe
PID 1516 wrote to memory of 3352	1516	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe	cmd.exe
PID 1516 wrote to memory of 3352	1516	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe	cmd.exe
PID 3352 wrote to memory of 4832	3352	cmd.exe	netsh.exe
PID 3352 wrote to memory of 4832	3352	cmd.exe	netsh.exe
PID 1516 wrote to memory of 4184	1516	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe	csrss.exe
PID 1516 wrote to memory of 4184	1516	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe	csrss.exe
PID 1516 wrote to memory of 4184	1516	e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe	csrss.exe

C:\Users\Admin\AppData\Local\Temp\e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
"C:\Users\Admin\AppData\Local\Temp\e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1964

C:\Users\Admin\AppData\Local\Temp\e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.exe
"C:\Users\Admin\AppData\Local\Temp\e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311.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:1516

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:2772

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⤵
PID:4496

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:3352

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⤵
PID:4832

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:4184

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:2104

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

Replay Monitor

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Downloads

C:\Windows\rss\csrss.exe
Filesize
5.0MB

MD5
06bb2fc76d08b831f2fa9513ed6cd830

SHA1
fa7e1b51e49ef679babefbf8ec36e6063ac30bbe

SHA256
e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311

SHA512
4f220527b791acb1b6909b99b0630d50fc1ca7816a3f36feb9eab0b402f2ac33570c32247f38d936afb4da1878e08983d465e261996caf9a2342609a0b95cb2c

Download Submit
C:\Windows\rss\csrss.exe
Filesize
5.0MB

MD5
06bb2fc76d08b831f2fa9513ed6cd830

SHA1
fa7e1b51e49ef679babefbf8ec36e6063ac30bbe

SHA256
e76f20c61fd3a8c306a2e4901d864033df9a3bbde6d06420ebabaf13340d1311

SHA512
4f220527b791acb1b6909b99b0630d50fc1ca7816a3f36feb9eab0b402f2ac33570c32247f38d936afb4da1878e08983d465e261996caf9a2342609a0b95cb2c

Download Submit
memory/1516-132-0x0000000000000000-mapping.dmp

Download
memory/1516-134-0x0000000002C40000-0x0000000002FD6000-memory.dmp

Filesize
3.6MB

Download
memory/1516-136-0x0000000000400000-0x0000000000AE9000-memory.dmp

Filesize
6.9MB

Download
memory/1964-131-0x0000000000400000-0x0000000000AE9000-memory.dmp

Filesize
6.9MB

Download
memory/1964-130-0x0000000002C52000-0x0000000002FE8000-memory.dmp

Filesize
3.6MB

Download
memory/2772-133-0x0000000000000000-mapping.dmp

Download
memory/3352-137-0x0000000000000000-mapping.dmp

Download
memory/4184-139-0x0000000000000000-mapping.dmp

Download
memory/4184-142-0x0000000002F00000-0x0000000003296000-memory.dmp

Filesize
3.6MB

Download
memory/4184-143-0x0000000000400000-0x0000000000AE9000-memory.dmp

Filesize
6.9MB

Download
memory/4496-135-0x0000000000000000-mapping.dmp

Download
memory/4832-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads