sality | 4a2ebacf7f757a655909dc002158bcca405aa0f07d34c54b81d10b5a90c5b9b1

Modify Existing Service

T1031

Processes:

ea61093d2cd65231daff307e424b0d33.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	ea61093d2cd65231daff307e424b0d33.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	ea61093d2cd65231daff307e424b0d33.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	ea61093d2cd65231daff307e424b0d33.exe

Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality

UAC bypass 3 TTPs 1 IoCs

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry

Processes:

ea61093d2cd65231daff307e424b0d33.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ea61093d2cd65231daff307e424b0d33.exe

Windows security bypass 2 TTPs 6 IoCs

Disabling Security Tools

Modify Registry

Processes:

ea61093d2cd65231daff307e424b0d33.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	ea61093d2cd65231daff307e424b0d33.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	ea61093d2cd65231daff307e424b0d33.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	ea61093d2cd65231daff307e424b0d33.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	ea61093d2cd65231daff307e424b0d33.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	ea61093d2cd65231daff307e424b0d33.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	ea61093d2cd65231daff307e424b0d33.exe

Executes dropped EXE 3 IoCs

Processes:

svchost.exeea61093d2cd65231daff307e424b0d33.exesvchost.exe

pid process

4764 svchost.exe
1924 ea61093d2cd65231daff307e424b0d33.exe
4424 svchost.exe

pid	process
4764	svchost.exe
1924	ea61093d2cd65231daff307e424b0d33.exe
4424	svchost.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/1924-139-0x00000000023A0000-0x000000000345A000-memory.dmp	upx
behavioral2/memory/1924-140-0x00000000023A0000-0x000000000345A000-memory.dmp	upx
behavioral2/memory/1924-142-0x00000000023A0000-0x000000000345A000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

Disabling Security Tools

Modify Registry

Processes:

ea61093d2cd65231daff307e424b0d33.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	ea61093d2cd65231daff307e424b0d33.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	ea61093d2cd65231daff307e424b0d33.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	ea61093d2cd65231daff307e424b0d33.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	ea61093d2cd65231daff307e424b0d33.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	ea61093d2cd65231daff307e424b0d33.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	ea61093d2cd65231daff307e424b0d33.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	ea61093d2cd65231daff307e424b0d33.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

Processes:

ea61093d2cd65231daff307e424b0d33.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ea61093d2cd65231daff307e424b0d33.exe

Drops file in Program Files directory 26 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe	svchost.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\elevation_service.exe	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\idlj.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jabswitch.exe	svchost.exe
File opened for modification	C:\Program Files\InstallOptimize.exe	svchost.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE	svchost.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	svchost.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\extcheck.exe	svchost.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\notification_helper.exe	svchost.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\chrmstp.exe	svchost.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\setup.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\appletviewer.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE	svchost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe	svchost.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\chrome_pwa_launcher.exe	svchost.exe

Drops file in Windows directory 2 IoCs

Processes:

ea61093d2cd65231daff307e424b0d33.exeea61093d2cd65231daff307e424b0d33.exe

description	ioc	process
File created	C:\Windows\svchost.exe	ea61093d2cd65231daff307e424b0d33.exe
File created	C:\Windows\e56fbd9	ea61093d2cd65231daff307e424b0d33.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

ea61093d2cd65231daff307e424b0d33.exesvchost.exe

description	pid	process	target process
PID 1256 wrote to memory of 4764	1256	ea61093d2cd65231daff307e424b0d33.exe	svchost.exe
PID 1256 wrote to memory of 4764	1256	ea61093d2cd65231daff307e424b0d33.exe	svchost.exe
PID 1256 wrote to memory of 4764	1256	ea61093d2cd65231daff307e424b0d33.exe	svchost.exe
PID 4764 wrote to memory of 1924	4764	svchost.exe	ea61093d2cd65231daff307e424b0d33.exe
PID 4764 wrote to memory of 1924	4764	svchost.exe	ea61093d2cd65231daff307e424b0d33.exe
PID 4764 wrote to memory of 1924	4764	svchost.exe	ea61093d2cd65231daff307e424b0d33.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

Processes:

ea61093d2cd65231daff307e424b0d33.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ea61093d2cd65231daff307e424b0d33.exe

C:\Users\Admin\AppData\Local\Temp\ea61093d2cd65231daff307e424b0d33.exe
"C:\Users\Admin\AppData\Local\Temp\ea61093d2cd65231daff307e424b0d33.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1256

C:\Windows\svchost.exe
"C:\Windows\svchost.exe" "C:\Users\Admin\AppData\Local\Temp\ea61093d2cd65231daff307e424b0d33.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4764

C:\Users\Admin\AppData\Local\Temp\ea61093d2cd65231daff307e424b0d33.exe
"C:\Users\Admin\AppData\Local\Temp\ea61093d2cd65231daff307e424b0d33.exe"
3⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- System policy modification
PID:1924

C:\Windows\svchost.exe
C:\Windows\svchost.exe
1⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:4424

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Modify Registry

5

Bypass User Account Control

T1088

Disabling Security Tools

3

Credential Access

Discovery

System Information Discovery