glupteba | d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956

General

Target

d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Size

3.7MB
MD5

ad2b83150300987958b84e85618c4b9f
SHA1

960b6c9b85a010bd51aacbdb2c4750d8d47cba7b
SHA256

d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956
SHA512

9b83e40628f076ffc38ea4ecfc026e51be2f482cd7ebe6373bb389cf5dae218a8f788abc03f44c4e1c23500aa53ced9f733c68cddba1bc9abef408c692d0c8f1

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/3180-131-0x0000000002CC0000-0x00000000033AF000-memory.dmp	family_glupteba
behavioral2/memory/3180-133-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral2/memory/3180-135-0x0000000002CC0000-0x00000000033AF000-memory.dmp	family_glupteba
behavioral2/memory/3180-136-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral2/memory/2176-138-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral2/memory/2176-146-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral2/memory/2396-148-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

svchost.exe

description pid process target process

PID 4456 created 3180 4456 svchost.exe d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Executes dropped EXE 1 IoCs

Processes:

csrss.exe

pid process

2396 csrss.exe
Modifies Windows Firewall 1 TTPs 2 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exenetsh.exe

pid process

4392 netsh.exe
3684 netsh.exe

description	pid	process	target process
PID 4456 created 3180	4456	svchost.exe	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe

pid	process
2396	csrss.exe

pid	process
4392	netsh.exe
3684	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HiddenTree = "\"C:\\Windows\\rss\\csrss.exe\""	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.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\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
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

Drops file in Windows directory 2 IoCs

Processes:

d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe

description	ioc	process
File opened for modification	C:\Windows\rss	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
File created	C:\Windows\rss\csrss.exe	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.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"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.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,-492 = "India Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.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"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.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"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.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"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.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,-721 = "Central Pacific Daylight Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	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\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.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"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	csrss.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,-1661 = "Bahia Daylight Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	csrss.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,-11 = "Azores Daylight Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	csrss.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	csrss.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 0400000001000000100000000cd2f9e0da1773e9ed864da5e370e74e14000000010000001400000079b459e67bb6e5e40173800888c81a58f6e99b6e030000000100000014000000cabd2a79a1076a31f21d253635cb039d4329a5e80f00000001000000200000003f0411ede9c4477057d57e57883b1f205b20cdc0f3263129b1ee0269a2678f631900000001000000100000002fe1f70bb05d7c92335bc5e05b984da620000000010000006f0500003082056b30820353a0030201020211008210cfb0d240e3594463e0bb63828b00300d06092a864886f70d01010b0500304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f74205831301e170d3135303630343131303433385a170d3335303630343131303433385a304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f7420583130820222300d06092a864886f70d01010105000382020f003082020a0282020100ade82473f41437f39b9e2b57281c87bedcb7df38908c6e3ce657a078f775c2a2fef56a6ef6004f28dbde68866c4493b6b163fd14126bbf1fd2ea319b217ed1333cba48f5dd79dfb3b8ff12f1219a4bc18a8671694a66666c8f7e3c70bfad292206f3e4c0e680aee24b8fb7997e94039fd347977c99482353e838ae4f0a6f832ed149578c8074b6da2fd0388d7b0370211b75f2303cfa8faeddda63abeb164fc28e114b7ecf0be8ffb5772ef4b27b4ae04c12250c708d0329a0e15324ec13d9ee19bf10b34a8c3f89a36151deac870794f46371ec2ee26f5b9881e1895c34796c76ef3b906279e6dba49a2f26c5d010e10eded9108e16fbb7f7a8f7c7e50207988f360895e7e237960d36759efb0e72b11d9bbc03f94905d881dd05b42ad641e9ac0176950a0fd8dfd5bd121f352f28176cd298c1a80964776e4737baceac595e689d7f72d689c50641293e593edd26f524c911a75aa34c401f46a199b5a73a516e863b9e7d72a712057859ed3e5178150b038f8dd02f05b23e7b4a1c4b730512fcc6eae050137c439374b3ca74e78e1f0108d030d45b7136b407bac130305c48b7823b98a67d608aa2a32982ccbabd83041ba2830341a1d605f11bc2b6f0a87c863b46a8482a88dc769a76bf1f6aa53d198feb38f364dec82b0d0a28fff7dbe21542d422d0275de179fe18e77088ad4ee6d98b3ac6dd27516effbc64f533434f0203010001a3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e0416041479b459e67bb6e5e40173800888c81a58f6e99b6e300d06092a864886f70d01010b05000382020100551f58a9bcb2a850d00cb1d81a6920272908ac61755c8a6ef882e5692fd5f6564bb9b8731059d321977ee74c71fbb2d260ad39a80bea17215685f1500e59ebcee059e9bac915ef869d8f8480f6e4e99190dc179b621b45f06695d27c6fc2ea3bef1fcfcbd6ae27f1a9b0c8aefd7d7e9afa2204ebffd97fea912b22b1170e8ff28a345b58d8fc01c954b9b826cc8a8833894c2d843c82dfee965705ba2cbbf7c4b7c74e3b82be31c822737392d1c280a43939103323824c3c9f86b255981dbe29868c229b9ee26b3b573a82704ddc09c789cb0a074d6ce85d8ec9efceabc7bbb52b4e45d64ad026cce572ca086aa595e315a1f7a4edc92c5fa5fbffac28022ebed77bbbe3717b9016d3075e46537c3707428cd3c4969cd599b52ae0951a8048ae4c3907cecc47a452952bbab8fbadd233537de51d4d6dd5a1b1c7426fe64027355ca328b7078de78d3390e7239ffb509c796c46d5b415b3966e7e9b0c963ab8522d3fd65be1fb08c284fe24a8a389daac6ae1182ab1a843615bd31fdc3b8d76f22de88d75df17336c3d53fb7bcb415fffdca2d06138e196b8ac5d8b37d775d533c09911ae9d41c1727584be0241425f67244894d19b27be073fb9b84f817451e17ab7ed9d23e2bee0d52804133c31039edd7a6c8fc60718c67fde478e3f289e0406cfa5543477bdec899be91743df5bdb5ffe8e1e57a2cd409d7e6222dade1827	csrss.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exed138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.execsrss.exe

pid	process
3180	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
3180	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
3180	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
3180	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
3180	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
3180	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
3180	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
3180	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
2176	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
2176	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
2176	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
2176	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
2176	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
2176	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
2396	csrss.exe
2396	csrss.exe
2396	csrss.exe
2396	csrss.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	3180	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Token: SeImpersonatePrivilege	3180	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
Token: SeTcbPrivilege	4456	svchost.exe
Token: SeTcbPrivilege	4456	svchost.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

svchost.exed138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.execmd.execmd.exe

description	pid	process	target process
PID 4456 wrote to memory of 2176	4456	svchost.exe	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
PID 4456 wrote to memory of 2176	4456	svchost.exe	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
PID 4456 wrote to memory of 2176	4456	svchost.exe	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
PID 2176 wrote to memory of 3588	2176	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe	cmd.exe
PID 2176 wrote to memory of 3588	2176	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe	cmd.exe
PID 3588 wrote to memory of 4392	3588	cmd.exe	netsh.exe
PID 3588 wrote to memory of 4392	3588	cmd.exe	netsh.exe
PID 2176 wrote to memory of 1784	2176	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe	cmd.exe
PID 2176 wrote to memory of 1784	2176	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe	cmd.exe
PID 1784 wrote to memory of 3684	1784	cmd.exe	netsh.exe
PID 1784 wrote to memory of 3684	1784	cmd.exe	netsh.exe
PID 2176 wrote to memory of 2396	2176	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe	csrss.exe
PID 2176 wrote to memory of 2396	2176	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe	csrss.exe
PID 2176 wrote to memory of 2396	2176	d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe	csrss.exe

C:\Users\Admin\AppData\Local\Temp\d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
"C:\Users\Admin\AppData\Local\Temp\d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3180

C:\Users\Admin\AppData\Local\Temp\d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.exe
"C:\Users\Admin\AppData\Local\Temp\d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956.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:2176

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:3588

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:4392

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:1784

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:3684

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:2396

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:4456

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
3.7MB

MD5
ad2b83150300987958b84e85618c4b9f

SHA1
960b6c9b85a010bd51aacbdb2c4750d8d47cba7b

SHA256
d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956

SHA512
9b83e40628f076ffc38ea4ecfc026e51be2f482cd7ebe6373bb389cf5dae218a8f788abc03f44c4e1c23500aa53ced9f733c68cddba1bc9abef408c692d0c8f1

Download Submit
C:\Windows\rss\csrss.exe
Filesize
3.7MB

MD5
ad2b83150300987958b84e85618c4b9f

SHA1
960b6c9b85a010bd51aacbdb2c4750d8d47cba7b

SHA256
d138d2e8b8db734a3454f3288604adea74946bab5350187e5bdd0b73e38a0956

SHA512
9b83e40628f076ffc38ea4ecfc026e51be2f482cd7ebe6373bb389cf5dae218a8f788abc03f44c4e1c23500aa53ced9f733c68cddba1bc9abef408c692d0c8f1

Download Submit
memory/1784-141-0x0000000000000000-mapping.dmp

Download
memory/2176-138-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/2176-137-0x00000000028D3000-0x0000000002C77000-memory.dmp

Filesize
3.6MB

Download
memory/2176-146-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/2176-134-0x0000000000000000-mapping.dmp

Download
memory/2396-143-0x0000000000000000-mapping.dmp

Download
memory/2396-147-0x0000000002D00000-0x00000000030A4000-memory.dmp

Filesize
3.6MB

Download
memory/2396-148-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/3180-130-0x0000000002913000-0x0000000002CB7000-memory.dmp

Filesize
3.6MB

Download
memory/3180-133-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/3180-136-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/3180-132-0x0000000002913000-0x0000000002CB7000-memory.dmp

Filesize
3.6MB

Download
memory/3180-131-0x0000000002CC0000-0x00000000033AF000-memory.dmp

Filesize
6.9MB

Download
memory/3180-135-0x0000000002CC0000-0x00000000033AF000-memory.dmp

Filesize
6.9MB

Download
memory/3588-139-0x0000000000000000-mapping.dmp

Download
memory/3684-142-0x0000000000000000-mapping.dmp

Download
memory/4392-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads