sality | 2e7df1ce70cea4fbc38cebe86cbb7e3b1ef038c9f69f099406164c0ace977225

Modify Existing Service

T1031

Processes:

6c4edc.exe6c3812.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6c4edc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6c4edc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6c4edc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6c3812.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6c3812.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6c3812.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:

6c3812.exe6c4edc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c3812.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c4edc.exe

Windows security bypass 2 TTPs 12 IoCs

Disabling Security Tools

Modify Registry

Processes:

6c3812.exe6c4edc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c3812.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c3812.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c4edc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c3812.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c3812.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c3812.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c3812.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c4edc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c4edc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c4edc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c4edc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c4edc.exe

Executes dropped EXE 3 IoCs

Processes:

6c3812.exe6c3e0b.exe6c4edc.exe

pid process

1616 6c3812.exe
1764 6c3e0b.exe
1748 6c4edc.exe

pid	process
1616	6c3812.exe
1764	6c3e0b.exe
1748	6c4edc.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1616-61-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1616-71-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1616-84-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1616-86-0x0000000000960000-0x0000000001A1A000-memory.dmp	upx
behavioral1/memory/1748-88-0x0000000000910000-0x00000000019CA000-memory.dmp	upx
behavioral1/memory/1748-90-0x0000000000910000-0x00000000019CA000-memory.dmp	upx
behavioral1/memory/1748-92-0x0000000000910000-0x00000000019CA000-memory.dmp	upx

Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

620 rundll32.exe
620 rundll32.exe
620 rundll32.exe
620 rundll32.exe
620 rundll32.exe
620 rundll32.exe

pid	process
620	rundll32.exe
620	rundll32.exe
620	rundll32.exe
620	rundll32.exe
620	rundll32.exe
620	rundll32.exe

Windows security modification 2 TTPs 14 IoCs

Disabling Security Tools

Modify Registry

Processes:

6c4edc.exe6c3812.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c4edc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c3812.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6c3812.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c3812.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c3812.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c4edc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c4edc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c4edc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c4edc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c4edc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c3812.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c3812.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c3812.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6c4edc.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

6c3812.exe6c4edc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c3812.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c4edc.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:

6c3812.exe

description	ioc	process
File opened (read-only)	\??\H:	6c3812.exe
File opened (read-only)	\??\I:	6c3812.exe
File opened (read-only)	\??\J:	6c3812.exe
File opened (read-only)	\??\K:	6c3812.exe
File opened (read-only)	\??\L:	6c3812.exe
File opened (read-only)	\??\E:	6c3812.exe
File opened (read-only)	\??\F:	6c3812.exe
File opened (read-only)	\??\G:	6c3812.exe

Drops file in Windows directory 3 IoCs

Processes:

6c3812.exe6c4edc.exe

description	ioc	process
File created	C:\Windows\6c3988	6c3812.exe
File opened for modification	C:\Windows\SYSTEM.INI	6c3812.exe
File created	C:\Windows\6c93a9	6c4edc.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

6c3812.exe6c4edc.exe

pid process

1616 6c3812.exe
1616 6c3812.exe
1748 6c4edc.exe

pid	process
1616	6c3812.exe
1616	6c3812.exe
1748	6c4edc.exe

Suspicious use of AdjustPrivilegeToken 42 IoCs

Processes:

6c3812.exe6c4edc.exe

description	pid	process
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1616	6c3812.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe
Token: SeDebugPrivilege	1748	6c4edc.exe

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

rundll32.exerundll32.exe6c3812.exe6c4edc.exe

description	pid	process	target process
PID 1360 wrote to memory of 620	1360	rundll32.exe	rundll32.exe
PID 1360 wrote to memory of 620	1360	rundll32.exe	rundll32.exe
PID 1360 wrote to memory of 620	1360	rundll32.exe	rundll32.exe
PID 1360 wrote to memory of 620	1360	rundll32.exe	rundll32.exe
PID 1360 wrote to memory of 620	1360	rundll32.exe	rundll32.exe
PID 1360 wrote to memory of 620	1360	rundll32.exe	rundll32.exe
PID 1360 wrote to memory of 620	1360	rundll32.exe	rundll32.exe
PID 620 wrote to memory of 1616	620	rundll32.exe	6c3812.exe
PID 620 wrote to memory of 1616	620	rundll32.exe	6c3812.exe
PID 620 wrote to memory of 1616	620	rundll32.exe	6c3812.exe
PID 620 wrote to memory of 1616	620	rundll32.exe	6c3812.exe
PID 1616 wrote to memory of 1116	1616	6c3812.exe	taskhost.exe
PID 1616 wrote to memory of 1180	1616	6c3812.exe	Dwm.exe
PID 1616 wrote to memory of 1232	1616	6c3812.exe	Explorer.EXE
PID 1616 wrote to memory of 1360	1616	6c3812.exe	rundll32.exe
PID 1616 wrote to memory of 620	1616	6c3812.exe	rundll32.exe
PID 1616 wrote to memory of 620	1616	6c3812.exe	rundll32.exe
PID 620 wrote to memory of 1764	620	rundll32.exe	6c3e0b.exe
PID 620 wrote to memory of 1764	620	rundll32.exe	6c3e0b.exe
PID 620 wrote to memory of 1764	620	rundll32.exe	6c3e0b.exe
PID 620 wrote to memory of 1764	620	rundll32.exe	6c3e0b.exe
PID 620 wrote to memory of 1748	620	rundll32.exe	6c4edc.exe
PID 620 wrote to memory of 1748	620	rundll32.exe	6c4edc.exe
PID 620 wrote to memory of 1748	620	rundll32.exe	6c4edc.exe
PID 620 wrote to memory of 1748	620	rundll32.exe	6c4edc.exe
PID 1616 wrote to memory of 1116	1616	6c3812.exe	taskhost.exe
PID 1616 wrote to memory of 1180	1616	6c3812.exe	Dwm.exe
PID 1616 wrote to memory of 1232	1616	6c3812.exe	Explorer.EXE
PID 1616 wrote to memory of 1764	1616	6c3812.exe	6c3e0b.exe
PID 1616 wrote to memory of 1764	1616	6c3812.exe	6c3e0b.exe
PID 1616 wrote to memory of 1748	1616	6c3812.exe	6c4edc.exe
PID 1616 wrote to memory of 1748	1616	6c3812.exe	6c4edc.exe
PID 1748 wrote to memory of 1116	1748	6c4edc.exe	taskhost.exe
PID 1748 wrote to memory of 1180	1748	6c4edc.exe	Dwm.exe
PID 1748 wrote to memory of 1232	1748	6c4edc.exe	Explorer.EXE

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

6c3812.exe6c4edc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c3812.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c4edc.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1232

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\virussign.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1360

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:620

C:\Users\Admin\AppData\Local\Temp\6c3812.exe
C:\Users\Admin\AppData\Local\Temp\6c3812.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:1616

C:\Users\Admin\AppData\Local\Temp\6c3e0b.exe
C:\Users\Admin\AppData\Local\Temp\6c3e0b.exe
4⤵
- Executes dropped EXE
PID:1764

C:\Users\Admin\AppData\Local\Temp\6c4edc.exe
C:\Users\Admin\AppData\Local\Temp\6c4edc.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:1748

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

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