sality | c67d559821f7c3cca0adf73727e00cf193c8c9ed7c82876235335afb4768656f

Modify Existing Service

T1031

Processes:

6c4c5d.exe6c28d6.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6c4c5d.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6c4c5d.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6c28d6.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6c28d6.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6c28d6.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6c4c5d.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:

6c28d6.exe6c4c5d.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c28d6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c4c5d.exe

Windows security bypass 2 TTPs 12 IoCs

Disabling Security Tools

Modify Registry

Processes:

6c4c5d.exe6c28d6.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c4c5d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c28d6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c28d6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c28d6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c28d6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c4c5d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c4c5d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c4c5d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c4c5d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c28d6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c28d6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c4c5d.exe

Executes dropped EXE 3 IoCs

Processes:

6c28d6.exe6c2b17.exe6c4c5d.exe

pid process

1908 6c28d6.exe
2028 6c2b17.exe
2024 6c4c5d.exe

pid	process
1908	6c28d6.exe
2028	6c2b17.exe
2024	6c4c5d.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1908-61-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/1908-70-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/1908-84-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/1908-86-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2024-90-0x0000000000900000-0x00000000019BA000-memory.dmp	upx
behavioral1/memory/2024-92-0x0000000000900000-0x00000000019BA000-memory.dmp	upx
behavioral1/memory/2024-94-0x0000000000900000-0x00000000019BA000-memory.dmp	upx

Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

1124 rundll32.exe
1124 rundll32.exe
1124 rundll32.exe
1124 rundll32.exe
1124 rundll32.exe
1124 rundll32.exe

pid	process
1124	rundll32.exe
1124	rundll32.exe
1124	rundll32.exe
1124	rundll32.exe
1124	rundll32.exe
1124	rundll32.exe

Windows security modification 2 TTPs 14 IoCs

Disabling Security Tools

Modify Registry

Processes:

6c28d6.exe6c4c5d.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c28d6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c28d6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c28d6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6c28d6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c4c5d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c28d6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c4c5d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c4c5d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c4c5d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c28d6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c4c5d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6c4c5d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c28d6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c4c5d.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

6c28d6.exe6c4c5d.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c28d6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c4c5d.exe

Enumerates connected drives 3 TTPs 9 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:

6c28d6.exe6c4c5d.exe

description	ioc	process
File opened (read-only)	\??\E:	6c28d6.exe
File opened (read-only)	\??\F:	6c28d6.exe
File opened (read-only)	\??\H:	6c28d6.exe
File opened (read-only)	\??\I:	6c28d6.exe
File opened (read-only)	\??\J:	6c28d6.exe
File opened (read-only)	\??\E:	6c4c5d.exe
File opened (read-only)	\??\G:	6c28d6.exe
File opened (read-only)	\??\K:	6c28d6.exe
File opened (read-only)	\??\L:	6c28d6.exe

Drops file in Windows directory 3 IoCs

Processes:

6c28d6.exe6c4c5d.exe

description	ioc	process
File created	C:\Windows\6c2a1d	6c28d6.exe
File opened for modification	C:\Windows\SYSTEM.INI	6c28d6.exe
File created	C:\Windows\6c81be	6c4c5d.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

6c28d6.exe6c4c5d.exe

pid process

1908 6c28d6.exe
1908 6c28d6.exe
2024 6c4c5d.exe

pid	process
1908	6c28d6.exe
1908	6c28d6.exe
2024	6c4c5d.exe

Suspicious use of AdjustPrivilegeToken 40 IoCs

Processes:

6c28d6.exe6c4c5d.exe

description	pid	process
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	1908	6c28d6.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe
Token: SeDebugPrivilege	2024	6c4c5d.exe

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

rundll32.exerundll32.exe6c28d6.exe6c4c5d.exe

description	pid	process	target process
PID 308 wrote to memory of 1124	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1124	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1124	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1124	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1124	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1124	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1124	308	rundll32.exe	rundll32.exe
PID 1124 wrote to memory of 1908	1124	rundll32.exe	6c28d6.exe
PID 1124 wrote to memory of 1908	1124	rundll32.exe	6c28d6.exe
PID 1124 wrote to memory of 1908	1124	rundll32.exe	6c28d6.exe
PID 1124 wrote to memory of 1908	1124	rundll32.exe	6c28d6.exe
PID 1908 wrote to memory of 1228	1908	6c28d6.exe	taskhost.exe
PID 1908 wrote to memory of 1324	1908	6c28d6.exe	Dwm.exe
PID 1908 wrote to memory of 1376	1908	6c28d6.exe	Explorer.EXE
PID 1908 wrote to memory of 308	1908	6c28d6.exe	rundll32.exe
PID 1908 wrote to memory of 1124	1908	6c28d6.exe	rundll32.exe
PID 1908 wrote to memory of 1124	1908	6c28d6.exe	rundll32.exe
PID 1124 wrote to memory of 2028	1124	rundll32.exe	6c2b17.exe
PID 1124 wrote to memory of 2028	1124	rundll32.exe	6c2b17.exe
PID 1124 wrote to memory of 2028	1124	rundll32.exe	6c2b17.exe
PID 1124 wrote to memory of 2028	1124	rundll32.exe	6c2b17.exe
PID 1124 wrote to memory of 2024	1124	rundll32.exe	6c4c5d.exe
PID 1124 wrote to memory of 2024	1124	rundll32.exe	6c4c5d.exe
PID 1124 wrote to memory of 2024	1124	rundll32.exe	6c4c5d.exe
PID 1124 wrote to memory of 2024	1124	rundll32.exe	6c4c5d.exe
PID 1908 wrote to memory of 1228	1908	6c28d6.exe	taskhost.exe
PID 1908 wrote to memory of 1324	1908	6c28d6.exe	Dwm.exe
PID 1908 wrote to memory of 1376	1908	6c28d6.exe	Explorer.EXE
PID 1908 wrote to memory of 2028	1908	6c28d6.exe	6c2b17.exe
PID 1908 wrote to memory of 2028	1908	6c28d6.exe	6c2b17.exe
PID 1908 wrote to memory of 2024	1908	6c28d6.exe	6c4c5d.exe
PID 1908 wrote to memory of 2024	1908	6c28d6.exe	6c4c5d.exe
PID 2024 wrote to memory of 1228	2024	6c4c5d.exe	taskhost.exe
PID 2024 wrote to memory of 1324	2024	6c4c5d.exe	Dwm.exe
PID 2024 wrote to memory of 1376	2024	6c4c5d.exe	Explorer.EXE

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

6c28d6.exe6c4c5d.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c28d6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c4c5d.exe

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1324

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1376

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\virussign.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:308

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:1124

C:\Users\Admin\AppData\Local\Temp\6c28d6.exe
C:\Users\Admin\AppData\Local\Temp\6c28d6.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:1908

C:\Users\Admin\AppData\Local\Temp\6c2b17.exe
C:\Users\Admin\AppData\Local\Temp\6c2b17.exe
4⤵
- Executes dropped EXE
PID:2028

C:\Users\Admin\AppData\Local\Temp\6c4c5d.exe
C:\Users\Admin\AppData\Local\Temp\6c4c5d.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:2024

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1228

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