sality | 38a3b96704a888a2c08de10c875b8f07cbc5dd4c37048b4870aa617aa0d98401

Modify Existing Service

T1031

Processes:

7c9631139b712117c2cc98fb6745090a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	7c9631139b712117c2cc98fb6745090a.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	7c9631139b712117c2cc98fb6745090a.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	7c9631139b712117c2cc98fb6745090a.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:

7c9631139b712117c2cc98fb6745090a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	7c9631139b712117c2cc98fb6745090a.exe

Windows security bypass 2 TTPs 6 IoCs

Disabling Security Tools

Modify Registry

Processes:

7c9631139b712117c2cc98fb6745090a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	7c9631139b712117c2cc98fb6745090a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	7c9631139b712117c2cc98fb6745090a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	7c9631139b712117c2cc98fb6745090a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	7c9631139b712117c2cc98fb6745090a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	7c9631139b712117c2cc98fb6745090a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	7c9631139b712117c2cc98fb6745090a.exe

Executes dropped EXE 3 IoCs

Processes:

svchost.exe7c9631139b712117c2cc98fb6745090a.exesvchost.exe

pid process

4824 svchost.exe
4736 7c9631139b712117c2cc98fb6745090a.exe
4816 svchost.exe

pid	process
4824	svchost.exe
4736	7c9631139b712117c2cc98fb6745090a.exe
4816	svchost.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4736-138-0x00000000022A0000-0x000000000335A000-memory.dmp	upx
behavioral2/memory/4736-140-0x00000000022A0000-0x000000000335A000-memory.dmp	upx
behavioral2/memory/4736-142-0x00000000022A0000-0x000000000335A000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

Disabling Security Tools

Modify Registry

Processes:

7c9631139b712117c2cc98fb6745090a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	7c9631139b712117c2cc98fb6745090a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	7c9631139b712117c2cc98fb6745090a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	7c9631139b712117c2cc98fb6745090a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	7c9631139b712117c2cc98fb6745090a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	7c9631139b712117c2cc98fb6745090a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	7c9631139b712117c2cc98fb6745090a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	7c9631139b712117c2cc98fb6745090a.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

Processes:

7c9631139b712117c2cc98fb6745090a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	7c9631139b712117c2cc98fb6745090a.exe

Drops file in Program Files directory 38 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.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\javafxpackager.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javah.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\7-Zip\7z.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\Java\jdk1.8.0_66\bin\appletviewer.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\java.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javaws.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\7-Zip\7zFM.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\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.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\Google\Chrome\Application\chrome.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\Java\jdk1.8.0_66\bin\jcmd.exe	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7zG.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\Source Engine\OSE.EXE	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javac.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javap.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javapackager.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\Google\Chrome\Application\89.0.4389.114\notification_helper.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\Java\jdk1.8.0_66\bin\javaw.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\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
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jar.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\java-rmi.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\Java\jdk1.8.0_66\bin\idlj.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\jarsigner.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\bin\javadoc.exe	svchost.exe

Drops file in Windows directory 1 IoCs

Processes:

7c9631139b712117c2cc98fb6745090a.exe

description ioc process

File created C:\Windows\svchost.exe 7c9631139b712117c2cc98fb6745090a.exe

description	ioc	process
File created	C:\Windows\svchost.exe	7c9631139b712117c2cc98fb6745090a.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

7c9631139b712117c2cc98fb6745090a.exesvchost.exe

description	pid	process	target process
PID 1612 wrote to memory of 4824	1612	7c9631139b712117c2cc98fb6745090a.exe	svchost.exe
PID 1612 wrote to memory of 4824	1612	7c9631139b712117c2cc98fb6745090a.exe	svchost.exe
PID 1612 wrote to memory of 4824	1612	7c9631139b712117c2cc98fb6745090a.exe	svchost.exe
PID 4824 wrote to memory of 4736	4824	svchost.exe	7c9631139b712117c2cc98fb6745090a.exe
PID 4824 wrote to memory of 4736	4824	svchost.exe	7c9631139b712117c2cc98fb6745090a.exe
PID 4824 wrote to memory of 4736	4824	svchost.exe	7c9631139b712117c2cc98fb6745090a.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

Processes:

7c9631139b712117c2cc98fb6745090a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	7c9631139b712117c2cc98fb6745090a.exe

C:\Users\Admin\AppData\Local\Temp\7c9631139b712117c2cc98fb6745090a.exe
"C:\Users\Admin\AppData\Local\Temp\7c9631139b712117c2cc98fb6745090a.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1612

C:\Windows\svchost.exe
"C:\Windows\svchost.exe" "C:\Users\Admin\AppData\Local\Temp\7c9631139b712117c2cc98fb6745090a.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4824

C:\Users\Admin\AppData\Local\Temp\7c9631139b712117c2cc98fb6745090a.exe
"C:\Users\Admin\AppData\Local\Temp\7c9631139b712117c2cc98fb6745090a.exe"
3⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- System policy modification
PID:4736

C:\Windows\svchost.exe
C:\Windows\svchost.exe
1⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:4816

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