glupteba | 4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43

General

Target

4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Size

3.7MB
MD5

0f3c19354bca37d528ca01952ca2adf5
SHA1

6b407d41ea30461940e6550da333795e0a56b9c1
SHA256

4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43
SHA512

fb64589149924605e2f910a558d600b487ca61c7d133087a9e544ff7a0237cebd123e7a7fc681a1bdf8bb5720a7d0569024a0183ede147cc1226e6dfc1133ab3
SSDEEP

98304:PDJQgTe5T8B2TtNzHY5jGctrCSDcxeiBhLf2pTSWJmmf+9:Wqs8B01HSKyrClxnh+pOWJmmf+

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 8 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4528-133-0x0000000002CB0000-0x000000000339F000-memory.dmp	family_glupteba
behavioral2/memory/4528-135-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral2/memory/4528-137-0x0000000002CB0000-0x000000000339F000-memory.dmp	family_glupteba
behavioral2/memory/4528-138-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral2/memory/3224-140-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral2/memory/3224-148-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral2/memory/4664-150-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba
behavioral2/memory/4664-151-0x0000000000400000-0x0000000000B0A000-memory.dmp	family_glupteba

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

svchost.exe

description pid process target process

PID 3500 created 4528 3500 svchost.exe 4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Executes dropped EXE 1 IoCs

Processes:

csrss.exe

pid process

4664 csrss.exe
Modifies Windows Firewall 1 TTPs 2 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exenetsh.exe

pid process

1536 netsh.exe
3200 netsh.exe

description	pid	process	target process
PID 3500 created 4528	3500	svchost.exe	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe

pid	process
4664	csrss.exe

pid	process
1536	netsh.exe
3200	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\LivelyNight = "\"C:\\Windows\\rss\\csrss.exe\""	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe

Drops file in System32 directory 8 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\77EC63BDA74BD0D0E0426DC8F8008506	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\77EC63BDA74BD0D0E0426DC8F8008506	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\E0F5C59F9FA661F6F4C50B87FEF3A15A	csrss.exe

Drops file in Windows directory 2 IoCs

Processes:

4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe

description	ioc	process
File created	C:\Windows\rss\csrss.exe	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
File opened for modification	C:\Windows\rss	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.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"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	csrss.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,-571 = "China Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.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"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.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,-461 = "Afghanistan Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.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"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.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"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time"	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.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:

4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.execsrss.exe

pid	process
4528	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
4528	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
4528	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
4528	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
4528	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
4528	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
4528	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
4528	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
3224	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
3224	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
3224	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
3224	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
3224	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
3224	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
4664	csrss.exe
4664	csrss.exe
4664	csrss.exe
4664	csrss.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	4528	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Token: SeImpersonatePrivilege	4528	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
Token: SeTcbPrivilege	3500	svchost.exe
Token: SeTcbPrivilege	3500	svchost.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

svchost.exe4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.execmd.execmd.exe

description	pid	process	target process
PID 3500 wrote to memory of 3224	3500	svchost.exe	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
PID 3500 wrote to memory of 3224	3500	svchost.exe	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
PID 3500 wrote to memory of 3224	3500	svchost.exe	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
PID 3224 wrote to memory of 2336	3224	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe	cmd.exe
PID 3224 wrote to memory of 2336	3224	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe	cmd.exe
PID 2336 wrote to memory of 1536	2336	cmd.exe	netsh.exe
PID 2336 wrote to memory of 1536	2336	cmd.exe	netsh.exe
PID 3224 wrote to memory of 1396	3224	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe	cmd.exe
PID 3224 wrote to memory of 1396	3224	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe	cmd.exe
PID 1396 wrote to memory of 3200	1396	cmd.exe	netsh.exe
PID 1396 wrote to memory of 3200	1396	cmd.exe	netsh.exe
PID 3224 wrote to memory of 4664	3224	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe	csrss.exe
PID 3224 wrote to memory of 4664	3224	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe	csrss.exe
PID 3224 wrote to memory of 4664	3224	4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe	csrss.exe

C:\Users\Admin\AppData\Local\Temp\4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
"C:\Users\Admin\AppData\Local\Temp\4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4528

C:\Users\Admin\AppData\Local\Temp\4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.exe
"C:\Users\Admin\AppData\Local\Temp\4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43.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:3224

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:2336

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:1536

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:1396

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:3200

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:4664

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:3500

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
0f3c19354bca37d528ca01952ca2adf5

SHA1
6b407d41ea30461940e6550da333795e0a56b9c1

SHA256
4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43

SHA512
fb64589149924605e2f910a558d600b487ca61c7d133087a9e544ff7a0237cebd123e7a7fc681a1bdf8bb5720a7d0569024a0183ede147cc1226e6dfc1133ab3

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

MD5
0f3c19354bca37d528ca01952ca2adf5

SHA1
6b407d41ea30461940e6550da333795e0a56b9c1

SHA256
4cc3fdd2b9e9ccec1203c8b153e47e9d0632d05ce97c3362c3552c876d8a5e43

SHA512
fb64589149924605e2f910a558d600b487ca61c7d133087a9e544ff7a0237cebd123e7a7fc681a1bdf8bb5720a7d0569024a0183ede147cc1226e6dfc1133ab3

Download Submit
memory/1396-143-0x0000000000000000-mapping.dmp

Download
memory/1536-142-0x0000000000000000-mapping.dmp

Download
memory/2336-141-0x0000000000000000-mapping.dmp

Download
memory/3200-144-0x0000000000000000-mapping.dmp

Download
memory/3224-140-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/3224-139-0x000000000274C000-0x0000000002AF0000-memory.dmp

Filesize
3.6MB

Download
memory/3224-136-0x0000000000000000-mapping.dmp

Download
memory/3224-148-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/4528-132-0x00000000028FE000-0x0000000002CA2000-memory.dmp

Filesize
3.6MB

Download
memory/4528-135-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/4528-137-0x0000000002CB0000-0x000000000339F000-memory.dmp

Filesize
6.9MB

Download
memory/4528-134-0x00000000028FE000-0x0000000002CA2000-memory.dmp

Filesize
3.6MB

Download
memory/4528-133-0x0000000002CB0000-0x000000000339F000-memory.dmp

Filesize
6.9MB

Download
memory/4528-138-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/4664-145-0x0000000000000000-mapping.dmp

Download
memory/4664-149-0x0000000002E00000-0x00000000031A4000-memory.dmp

Filesize
3.6MB

Download
memory/4664-150-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download
memory/4664-151-0x0000000000400000-0x0000000000B0A000-memory.dmp

Filesize
7.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads