sality | 3b903766bc02ec60a172396e8f77ba5cad28b1a5f853b70dbe050e2e0c948d90

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f77fcf5.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f77fcf5.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f77fcf5.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f77feaa.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f77feaa.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f77feaa.exe

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

UAC bypass 3 TTPs 2 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f77fcf5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f77feaa.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77fcf5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77feaa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f77feaa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77feaa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77feaa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77feaa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77feaa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77fcf5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77fcf5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77fcf5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77fcf5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f77fcf5.exe

Executes dropped EXE 3 IoCs

pid	Process
2616	f77fcf5.exe
2296	f77feaa.exe
2728	f781a35.exe

Loads dropped DLL 6 IoCs

pid	Process
2144	rundll32.exe
2144	rundll32.exe
2144	rundll32.exe
2144	rundll32.exe
2144	rundll32.exe
2144	rundll32.exe

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f77fcf5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77feaa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77fcf5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77fcf5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77feaa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77feaa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77fcf5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77fcf5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77fcf5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f77feaa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77feaa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f77fcf5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77feaa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f77feaa.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f77fcf5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f77feaa.exe

Enumerates connected drives 3 TTPs 14 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

description	ioc	Process
File opened (read-only)	\??\N:	f77fcf5.exe
File opened (read-only)	\??\Q:	f77fcf5.exe
File opened (read-only)	\??\K:	f77fcf5.exe
File opened (read-only)	\??\R:	f77fcf5.exe
File opened (read-only)	\??\S:	f77fcf5.exe
File opened (read-only)	\??\G:	f77fcf5.exe
File opened (read-only)	\??\I:	f77fcf5.exe
File opened (read-only)	\??\M:	f77fcf5.exe
File opened (read-only)	\??\O:	f77fcf5.exe
File opened (read-only)	\??\P:	f77fcf5.exe
File opened (read-only)	\??\E:	f77fcf5.exe
File opened (read-only)	\??\H:	f77fcf5.exe
File opened (read-only)	\??\J:	f77fcf5.exe
File opened (read-only)	\??\L:	f77fcf5.exe

UPX packed file 25 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2616-18-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-20-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-23-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-15-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-24-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-21-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-25-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-22-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-19-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-17-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-65-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-67-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-66-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-68-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-69-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-71-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-72-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-85-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-86-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-88-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-91-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-110-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2616-151-0x00000000005B0000-0x000000000166A000-memory.dmp	upx
behavioral1/memory/2296-159-0x0000000000920000-0x00000000019DA000-memory.dmp	upx
behavioral1/memory/2296-186-0x0000000000920000-0x00000000019DA000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\f77fd43	f77fcf5.exe
File opened for modification	C:\Windows\SYSTEM.INI	f77fcf5.exe
File created	C:\Windows\f784d17	f77feaa.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f77fcf5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f77feaa.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2616	f77fcf5.exe
2616	f77fcf5.exe
2296	f77feaa.exe

Suspicious use of AdjustPrivilegeToken 42 IoCs

description	pid	Process
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2616	f77fcf5.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe
Token: SeDebugPrivilege	2296	f77feaa.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2144	2604	rundll32.exe	29
PID 2604 wrote to memory of 2144	2604	rundll32.exe	29
PID 2604 wrote to memory of 2144	2604	rundll32.exe	29
PID 2604 wrote to memory of 2144	2604	rundll32.exe	29
PID 2604 wrote to memory of 2144	2604	rundll32.exe	29
PID 2604 wrote to memory of 2144	2604	rundll32.exe	29
PID 2604 wrote to memory of 2144	2604	rundll32.exe	29
PID 2144 wrote to memory of 2616	2144	rundll32.exe	30
PID 2144 wrote to memory of 2616	2144	rundll32.exe	30
PID 2144 wrote to memory of 2616	2144	rundll32.exe	30
PID 2144 wrote to memory of 2616	2144	rundll32.exe	30
PID 2616 wrote to memory of 1124	2616	f77fcf5.exe	18
PID 2616 wrote to memory of 1228	2616	f77fcf5.exe	19
PID 2616 wrote to memory of 1284	2616	f77fcf5.exe	20
PID 2616 wrote to memory of 1676	2616	f77fcf5.exe	22
PID 2616 wrote to memory of 2604	2616	f77fcf5.exe	28
PID 2616 wrote to memory of 2144	2616	f77fcf5.exe	29
PID 2616 wrote to memory of 2144	2616	f77fcf5.exe	29
PID 2144 wrote to memory of 2296	2144	rundll32.exe	31
PID 2144 wrote to memory of 2296	2144	rundll32.exe	31
PID 2144 wrote to memory of 2296	2144	rundll32.exe	31
PID 2144 wrote to memory of 2296	2144	rundll32.exe	31
PID 2144 wrote to memory of 2728	2144	rundll32.exe	32
PID 2144 wrote to memory of 2728	2144	rundll32.exe	32
PID 2144 wrote to memory of 2728	2144	rundll32.exe	32
PID 2144 wrote to memory of 2728	2144	rundll32.exe	32
PID 2616 wrote to memory of 1124	2616	f77fcf5.exe	18
PID 2616 wrote to memory of 1228	2616	f77fcf5.exe	19
PID 2616 wrote to memory of 1284	2616	f77fcf5.exe	20
PID 2616 wrote to memory of 1676	2616	f77fcf5.exe	22
PID 2616 wrote to memory of 2296	2616	f77fcf5.exe	31
PID 2616 wrote to memory of 2296	2616	f77fcf5.exe	31
PID 2616 wrote to memory of 2728	2616	f77fcf5.exe	32
PID 2616 wrote to memory of 2728	2616	f77fcf5.exe	32
PID 2296 wrote to memory of 1124	2296	f77feaa.exe	18
PID 2296 wrote to memory of 1228	2296	f77feaa.exe	19
PID 2296 wrote to memory of 1284	2296	f77feaa.exe	20
PID 2296 wrote to memory of 1676	2296	f77feaa.exe	22

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f77fcf5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f77feaa.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1284
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b903766bc02ec60a172396e8f77ba5cad28b1a5f853b70dbe050e2e0c948d90.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2604
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b903766bc02ec60a172396e8f77ba5cad28b1a5f853b70dbe050e2e0c948d90.dll,#1
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2144
  - - C:\Users\Admin\AppData\Local\Temp\f77fcf5.exe
      C:\Users\Admin\AppData\Local\Temp\f77fcf5.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:2616
  - - C:\Users\Admin\AppData\Local\Temp\f77feaa.exe
      C:\Users\Admin\AppData\Local\Temp\f77feaa.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
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:2296
  - - C:\Users\Admin\AppData\Local\Temp\f781a35.exe
      C:\Users\Admin\AppData\Local\Temp\f781a35.exe
      4⤵
      Executes dropped EXE
      PID:2728

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

Modify Registry