sality | ded9acd7c3071f3477179b0729961d0975de0b81d98bf59b35da0ce75c48c584

Modify Existing Service

T1031

Processes:

6bf2a9.exe6c1382.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6bf2a9.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6bf2a9.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6c1382.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6c1382.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6c1382.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6bf2a9.exe

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

UAC bypass 3 TTPs 2 IoCs

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry

Processes:

6bf2a9.exe6c1382.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6bf2a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c1382.exe

Windows security bypass 2 TTPs 12 IoCs

Disabling Security Tools

Modify Registry

Processes:

6c1382.exe6bf2a9.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c1382.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c1382.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6bf2a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6bf2a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6bf2a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6bf2a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c1382.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c1382.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6bf2a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6bf2a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c1382.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c1382.exe

Executes dropped EXE 3 IoCs

Processes:

6bf2a9.exe6bf76a.exe6c1382.exe

pid process

1812 6bf2a9.exe
1152 6bf76a.exe
524 6c1382.exe

pid	process
1812	6bf2a9.exe
1152	6bf76a.exe
524	6c1382.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1812-61-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1812-66-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1812-83-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1812-85-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/524-87-0x0000000000920000-0x00000000019DA000-memory.dmp	upx
behavioral1/memory/524-90-0x0000000000920000-0x00000000019DA000-memory.dmp	upx
behavioral1/memory/524-92-0x0000000000920000-0x00000000019DA000-memory.dmp	upx

Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

1304 rundll32.exe
1304 rundll32.exe
1304 rundll32.exe
1304 rundll32.exe
1304 rundll32.exe
1304 rundll32.exe

pid	process
1304	rundll32.exe
1304	rundll32.exe
1304	rundll32.exe
1304	rundll32.exe
1304	rundll32.exe
1304	rundll32.exe

Windows security modification 2 TTPs 14 IoCs

Disabling Security Tools

Modify Registry

Processes:

6c1382.exe6bf2a9.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c1382.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c1382.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c1382.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6bf2a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6bf2a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6bf2a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6bf2a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c1382.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6c1382.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6bf2a9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6bf2a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c1382.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c1382.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6bf2a9.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

6bf2a9.exe6c1382.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6bf2a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c1382.exe

Enumerates connected drives 3 TTPs 8 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

6bf2a9.exe

description	ioc	process
File opened (read-only)	\??\F:	6bf2a9.exe
File opened (read-only)	\??\G:	6bf2a9.exe
File opened (read-only)	\??\H:	6bf2a9.exe
File opened (read-only)	\??\I:	6bf2a9.exe
File opened (read-only)	\??\J:	6bf2a9.exe
File opened (read-only)	\??\K:	6bf2a9.exe
File opened (read-only)	\??\L:	6bf2a9.exe
File opened (read-only)	\??\E:	6bf2a9.exe

Drops file in Windows directory 3 IoCs

Processes:

6bf2a9.exe6c1382.exe

description	ioc	process
File created	C:\Windows\6bf49c	6bf2a9.exe
File opened for modification	C:\Windows\SYSTEM.INI	6bf2a9.exe
File created	C:\Windows\6c4d27	6c1382.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

6bf2a9.exe6c1382.exe

pid process

1812 6bf2a9.exe
1812 6bf2a9.exe
524 6c1382.exe

pid	process
1812	6bf2a9.exe
1812	6bf2a9.exe
524	6c1382.exe

Suspicious use of AdjustPrivilegeToken 42 IoCs

Processes:

6bf2a9.exe6c1382.exe

description	pid	process
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	1812	6bf2a9.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe
Token: SeDebugPrivilege	524	6c1382.exe

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

rundll32.exerundll32.exe6bf2a9.exe6c1382.exe

description	pid	process	target process
PID 1612 wrote to memory of 1304	1612	rundll32.exe	rundll32.exe
PID 1612 wrote to memory of 1304	1612	rundll32.exe	rundll32.exe
PID 1612 wrote to memory of 1304	1612	rundll32.exe	rundll32.exe
PID 1612 wrote to memory of 1304	1612	rundll32.exe	rundll32.exe
PID 1612 wrote to memory of 1304	1612	rundll32.exe	rundll32.exe
PID 1612 wrote to memory of 1304	1612	rundll32.exe	rundll32.exe
PID 1612 wrote to memory of 1304	1612	rundll32.exe	rundll32.exe
PID 1304 wrote to memory of 1812	1304	rundll32.exe	6bf2a9.exe
PID 1304 wrote to memory of 1812	1304	rundll32.exe	6bf2a9.exe
PID 1304 wrote to memory of 1812	1304	rundll32.exe	6bf2a9.exe
PID 1304 wrote to memory of 1812	1304	rundll32.exe	6bf2a9.exe
PID 1812 wrote to memory of 1136	1812	6bf2a9.exe	taskhost.exe
PID 1812 wrote to memory of 1200	1812	6bf2a9.exe	Dwm.exe
PID 1812 wrote to memory of 1268	1812	6bf2a9.exe	Explorer.EXE
PID 1812 wrote to memory of 1612	1812	6bf2a9.exe	rundll32.exe
PID 1812 wrote to memory of 1304	1812	6bf2a9.exe	rundll32.exe
PID 1812 wrote to memory of 1304	1812	6bf2a9.exe	rundll32.exe
PID 1304 wrote to memory of 1152	1304	rundll32.exe	6bf76a.exe
PID 1304 wrote to memory of 1152	1304	rundll32.exe	6bf76a.exe
PID 1304 wrote to memory of 1152	1304	rundll32.exe	6bf76a.exe
PID 1304 wrote to memory of 1152	1304	rundll32.exe	6bf76a.exe
PID 1304 wrote to memory of 524	1304	rundll32.exe	6c1382.exe
PID 1304 wrote to memory of 524	1304	rundll32.exe	6c1382.exe
PID 1304 wrote to memory of 524	1304	rundll32.exe	6c1382.exe
PID 1304 wrote to memory of 524	1304	rundll32.exe	6c1382.exe
PID 1812 wrote to memory of 1136	1812	6bf2a9.exe	taskhost.exe
PID 1812 wrote to memory of 1200	1812	6bf2a9.exe	Dwm.exe
PID 1812 wrote to memory of 1268	1812	6bf2a9.exe	Explorer.EXE
PID 1812 wrote to memory of 1152	1812	6bf2a9.exe	6bf76a.exe
PID 1812 wrote to memory of 1152	1812	6bf2a9.exe	6bf76a.exe
PID 1812 wrote to memory of 524	1812	6bf2a9.exe	6c1382.exe
PID 1812 wrote to memory of 524	1812	6bf2a9.exe	6c1382.exe
PID 524 wrote to memory of 1136	524	6c1382.exe	taskhost.exe
PID 524 wrote to memory of 1200	524	6c1382.exe	Dwm.exe
PID 524 wrote to memory of 1268	524	6c1382.exe	Explorer.EXE

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

6bf2a9.exe6c1382.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6bf2a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c1382.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1136

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1200

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1268

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\virussign.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1612

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\virussign.dll,#1
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1304

C:\Users\Admin\AppData\Local\Temp\6bf2a9.exe
C:\Users\Admin\AppData\Local\Temp\6bf2a9.exe
4⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1812

C:\Users\Admin\AppData\Local\Temp\6bf76a.exe
C:\Users\Admin\AppData\Local\Temp\6bf76a.exe
4⤵
- Executes dropped EXE
PID:1152

C:\Users\Admin\AppData\Local\Temp\6c1382.exe
C:\Users\Admin\AppData\Local\Temp\6c1382.exe
4⤵
- 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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:524

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

Bypass User Account Control

T1088

Disabling Security Tools