sality | ef51e4909f91aa98222a5bf06f9094b8b57bfe13b680b0993b6bff84f9fccdf2

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

f76706f.exef768a45.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f76706f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f76706f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f76706f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f768a45.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f768a45.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f768a45.exe

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

UAC bypass 3 TTPs 2 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

f76706f.exef768a45.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76706f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f768a45.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

f76706f.exef768a45.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76706f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f768a45.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f768a45.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f768a45.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76706f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76706f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76706f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76706f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f768a45.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f768a45.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f768a45.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76706f.exe

Executes dropped EXE 3 IoCs

Processes:

f76706f.exef76760a.exef768a45.exe

pid process

2752 f76706f.exe
772 f76760a.exe
2328 f768a45.exe
Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

2900 rundll32.exe
2900 rundll32.exe
2900 rundll32.exe
2900 rundll32.exe
2900 rundll32.exe
2900 rundll32.exe

pid	process
2752	f76706f.exe
772	f76760a.exe
2328	f768a45.exe

pid	process
2900	rundll32.exe
2900	rundll32.exe
2900	rundll32.exe
2900	rundll32.exe
2900	rundll32.exe
2900	rundll32.exe

UPX packed file 22 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2752-13-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-15-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-22-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-21-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-20-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-17-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-18-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-19-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-16-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-14-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-63-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-64-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-65-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-79-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-93-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-102-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-103-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-107-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-110-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2752-113-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2328-147-0x0000000000980000-0x0000000001A3A000-memory.dmp	upx
behavioral1/memory/2328-183-0x0000000000980000-0x0000000001A3A000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

f76706f.exef768a45.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76706f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76706f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f76706f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f768a45.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76706f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76706f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76706f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f768a45.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f768a45.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f768a45.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f768a45.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f768a45.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76706f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f768a45.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

f76706f.exef768a45.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76706f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f768a45.exe

Enumerates connected drives 3 TTPs 5 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:

f76706f.exef768a45.exe

description	ioc	process
File opened (read-only)	\??\E:	f76706f.exe
File opened (read-only)	\??\G:	f76706f.exe
File opened (read-only)	\??\H:	f76706f.exe
File opened (read-only)	\??\I:	f76706f.exe
File opened (read-only)	\??\E:	f768a45.exe

Drops file in Windows directory 3 IoCs

Processes:

f768a45.exef76706f.exe

description	ioc	process
File created	C:\Windows\f76cf50	f768a45.exe
File created	C:\Windows\f7671c6	f76706f.exe
File opened for modification	C:\Windows\SYSTEM.INI	f76706f.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

rundll32.exef76706f.exef768a45.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f76706f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f768a45.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f76706f.exef768a45.exe

pid process

2752 f76706f.exe
2752 f76706f.exe
2328 f768a45.exe

pid	process
2752	f76706f.exe
2752	f76706f.exe
2328	f768a45.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

f76706f.exef768a45.exe

description	pid	process
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2752	f76706f.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe
Token: SeDebugPrivilege	2328	f768a45.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

rundll32.exerundll32.exef76706f.exef768a45.exe

description	pid	process	target process
PID 2880 wrote to memory of 2900	2880	rundll32.exe	rundll32.exe
PID 2880 wrote to memory of 2900	2880	rundll32.exe	rundll32.exe
PID 2880 wrote to memory of 2900	2880	rundll32.exe	rundll32.exe
PID 2880 wrote to memory of 2900	2880	rundll32.exe	rundll32.exe
PID 2880 wrote to memory of 2900	2880	rundll32.exe	rundll32.exe
PID 2880 wrote to memory of 2900	2880	rundll32.exe	rundll32.exe
PID 2880 wrote to memory of 2900	2880	rundll32.exe	rundll32.exe
PID 2900 wrote to memory of 2752	2900	rundll32.exe	f76706f.exe
PID 2900 wrote to memory of 2752	2900	rundll32.exe	f76706f.exe
PID 2900 wrote to memory of 2752	2900	rundll32.exe	f76706f.exe
PID 2900 wrote to memory of 2752	2900	rundll32.exe	f76706f.exe
PID 2752 wrote to memory of 1092	2752	f76706f.exe	taskhost.exe
PID 2752 wrote to memory of 1168	2752	f76706f.exe	Dwm.exe
PID 2752 wrote to memory of 1208	2752	f76706f.exe	Explorer.EXE
PID 2752 wrote to memory of 344	2752	f76706f.exe	DllHost.exe
PID 2752 wrote to memory of 2880	2752	f76706f.exe	rundll32.exe
PID 2752 wrote to memory of 2900	2752	f76706f.exe	rundll32.exe
PID 2752 wrote to memory of 2900	2752	f76706f.exe	rundll32.exe
PID 2900 wrote to memory of 772	2900	rundll32.exe	f76760a.exe
PID 2900 wrote to memory of 772	2900	rundll32.exe	f76760a.exe
PID 2900 wrote to memory of 772	2900	rundll32.exe	f76760a.exe
PID 2900 wrote to memory of 772	2900	rundll32.exe	f76760a.exe
PID 2900 wrote to memory of 2328	2900	rundll32.exe	f768a45.exe
PID 2900 wrote to memory of 2328	2900	rundll32.exe	f768a45.exe
PID 2900 wrote to memory of 2328	2900	rundll32.exe	f768a45.exe
PID 2900 wrote to memory of 2328	2900	rundll32.exe	f768a45.exe
PID 2752 wrote to memory of 1092	2752	f76706f.exe	taskhost.exe
PID 2752 wrote to memory of 1168	2752	f76706f.exe	Dwm.exe
PID 2752 wrote to memory of 1208	2752	f76706f.exe	Explorer.EXE
PID 2752 wrote to memory of 344	2752	f76706f.exe	DllHost.exe
PID 2752 wrote to memory of 772	2752	f76706f.exe	f76760a.exe
PID 2752 wrote to memory of 772	2752	f76706f.exe	f76760a.exe
PID 2752 wrote to memory of 2328	2752	f76706f.exe	f768a45.exe
PID 2752 wrote to memory of 2328	2752	f76706f.exe	f768a45.exe
PID 2328 wrote to memory of 1092	2328	f768a45.exe	taskhost.exe
PID 2328 wrote to memory of 1168	2328	f768a45.exe	Dwm.exe
PID 2328 wrote to memory of 1208	2328	f768a45.exe	Explorer.EXE
PID 2328 wrote to memory of 344	2328	f768a45.exe	DllHost.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

f76706f.exef768a45.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76706f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f768a45.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1092

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef51e4909f91aa98222a5bf06f9094b8b57bfe13b680b0993b6bff84f9fccdf2.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2880

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef51e4909f91aa98222a5bf06f9094b8b57bfe13b680b0993b6bff84f9fccdf2.dll,#1
3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2900

C:\Users\Admin\AppData\Local\Temp\f76706f.exe
C:\Users\Admin\AppData\Local\Temp\f76706f.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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2752

C:\Users\Admin\AppData\Local\Temp\f76760a.exe
C:\Users\Admin\AppData\Local\Temp\f76760a.exe
4⤵
- Executes dropped EXE
PID:772

C:\Users\Admin\AppData\Local\Temp\f768a45.exe
C:\Users\Admin\AppData\Local\Temp\f768a45.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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2328

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:344

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Modify Registry

5

Impair Defenses

4

T1562

Disable or Modify Tools

3

T1562.001

Disable or Modify System Firewall

T1562.004

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

T1012

Peripheral Device Discovery

T1120

System Location Discovery

T1614

System Language Discovery