glupteba | c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967

General

Target

c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Size

6.9MB
MD5

aaf97b44cfa9afcd34a91a2010dfaf27
SHA1

5a89bc43e00d32fa5b36fefdb122154fd13232ff
SHA256

c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967
SHA512

3df6fa6ae5ee652c29629957dc6b4188f42a02434e5443b8b851c801ccce25221126db02ab9857f1a0a6617b55d4da72ec9212a36d68f158afd4558994cd1f6d

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 2 IoCs

Processes:

resource	yara_rule
C:\Windows\rss\csrss.exe	family_glupteba
C:\Windows\rss\csrss.exe	family_glupteba

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

svchost.exe

description pid process target process

PID 4516 created 4928 4516 svchost.exe c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Executes dropped EXE 1 IoCs

Processes:

csrss.exe

pid process

2032 csrss.exe
Modifies Windows Firewall 1 TTPs 2 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exenetsh.exe

pid process

1248 netsh.exe
3172 netsh.exe

description	pid	process	target process
PID 4516 created 4928	4516	svchost.exe	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe

pid	process
2032	csrss.exe

pid	process
1248	netsh.exe
3172	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DampShadow = "\"C:\\Windows\\rss\\csrss.exe\""	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe

Drops file in Windows directory 2 IoCs

Processes:

c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe

description	ioc	process
File opened for modification	C:\Windows\rss	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
File created	C:\Windows\rss\csrss.exe	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.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"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.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"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.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"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.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"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.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"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.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"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.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,-2001 = "Cabo Verde Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.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,-11 = "Azores Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.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 22 IoCs

Processes:

c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exec7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.execsrss.exe

pid	process
4928	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
4928	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
4928	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
4928	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
4928	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
4928	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
4928	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
4928	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
2252	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
2252	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
2252	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
2252	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
2252	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
2252	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
2252	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
2252	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
2252	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
2252	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
2032	csrss.exe
2032	csrss.exe
2032	csrss.exe
2032	csrss.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	4928	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Token: SeImpersonatePrivilege	4928	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
Token: SeTcbPrivilege	4516	svchost.exe
Token: SeTcbPrivilege	4516	svchost.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

svchost.exec7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.execmd.execmd.exe

description	pid	process	target process
PID 4516 wrote to memory of 2252	4516	svchost.exe	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
PID 4516 wrote to memory of 2252	4516	svchost.exe	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
PID 4516 wrote to memory of 2252	4516	svchost.exe	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
PID 2252 wrote to memory of 1988	2252	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe	cmd.exe
PID 2252 wrote to memory of 1988	2252	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe	cmd.exe
PID 1988 wrote to memory of 1248	1988	cmd.exe	netsh.exe
PID 1988 wrote to memory of 1248	1988	cmd.exe	netsh.exe
PID 2252 wrote to memory of 4880	2252	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe	cmd.exe
PID 2252 wrote to memory of 4880	2252	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe	cmd.exe
PID 4880 wrote to memory of 3172	4880	cmd.exe	netsh.exe
PID 4880 wrote to memory of 3172	4880	cmd.exe	netsh.exe
PID 2252 wrote to memory of 2032	2252	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe	csrss.exe
PID 2252 wrote to memory of 2032	2252	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe	csrss.exe
PID 2252 wrote to memory of 2032	2252	c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe	csrss.exe

C:\Users\Admin\AppData\Local\Temp\c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
"C:\Users\Admin\AppData\Local\Temp\c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4928

C:\Users\Admin\AppData\Local\Temp\c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.exe
"C:\Users\Admin\AppData\Local\Temp\c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967.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:2252

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:1988

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:1248

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:4880

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:3172

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe ""
3⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:2032

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:4516

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
6.9MB

MD5
aaf97b44cfa9afcd34a91a2010dfaf27

SHA1
5a89bc43e00d32fa5b36fefdb122154fd13232ff

SHA256
c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967

SHA512
3df6fa6ae5ee652c29629957dc6b4188f42a02434e5443b8b851c801ccce25221126db02ab9857f1a0a6617b55d4da72ec9212a36d68f158afd4558994cd1f6d

Download Submit
C:\Windows\rss\csrss.exe
Filesize
6.9MB

MD5
aaf97b44cfa9afcd34a91a2010dfaf27

SHA1
5a89bc43e00d32fa5b36fefdb122154fd13232ff

SHA256
c7dd5c4211994d2b538b5f3738da46d107ed455a36a07487c4dbbf6d55e47967

SHA512
3df6fa6ae5ee652c29629957dc6b4188f42a02434e5443b8b851c801ccce25221126db02ab9857f1a0a6617b55d4da72ec9212a36d68f158afd4558994cd1f6d

Download Submit
memory/1248-132-0x0000000000000000-mapping.dmp

Download
memory/1988-131-0x0000000000000000-mapping.dmp

Download
memory/2032-135-0x0000000000000000-mapping.dmp

Download
memory/2252-130-0x0000000000000000-mapping.dmp

Download
memory/3172-134-0x0000000000000000-mapping.dmp

Download
memory/4880-133-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads