sality | 5aa761f6aaaf79d892ad84b35402bda4a8c5565a5e92539053d7a6eaca29b551

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

f76dc99.exef76f853.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f76dc99.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f76dc99.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f76dc99.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f76f853.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f76f853.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f76f853.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

Processes:

f76dc99.exef76f853.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76dc99.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76f853.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f76dc99.exef76f853.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76dc99.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76dc99.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76dc99.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76f853.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76f853.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76f853.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76f853.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76dc99.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76dc99.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76dc99.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76f853.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76f853.exe

Executes dropped EXE 3 IoCs

Processes:

f76dc99.exef76de00.exef76f853.exe

pid process

2312 f76dc99.exe
2236 f76de00.exe
2604 f76f853.exe
Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

2000 rundll32.exe
2000 rundll32.exe
2000 rundll32.exe
2000 rundll32.exe
2000 rundll32.exe
2000 rundll32.exe

pid	process
2312	f76dc99.exe
2236	f76de00.exe
2604	f76f853.exe

pid	process
2000	rundll32.exe
2000	rundll32.exe
2000	rundll32.exe
2000	rundll32.exe
2000	rundll32.exe
2000	rundll32.exe

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f76dc99.exef76f853.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76dc99.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76f853.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f76f853.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76dc99.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f76dc99.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76dc99.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76dc99.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76f853.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76f853.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76f853.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76f853.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76f853.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76dc99.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76dc99.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

f76dc99.exef76f853.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76dc99.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76f853.exe

Enumerates connected drives 3 TTPs 17 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:

f76dc99.exef76f853.exe

description	ioc	process
File opened (read-only)	\??\E:	f76dc99.exe
File opened (read-only)	\??\G:	f76dc99.exe
File opened (read-only)	\??\L:	f76dc99.exe
File opened (read-only)	\??\P:	f76dc99.exe
File opened (read-only)	\??\R:	f76dc99.exe
File opened (read-only)	\??\G:	f76f853.exe
File opened (read-only)	\??\T:	f76dc99.exe
File opened (read-only)	\??\H:	f76dc99.exe
File opened (read-only)	\??\I:	f76dc99.exe
File opened (read-only)	\??\J:	f76dc99.exe
File opened (read-only)	\??\Q:	f76dc99.exe
File opened (read-only)	\??\S:	f76dc99.exe
File opened (read-only)	\??\E:	f76f853.exe
File opened (read-only)	\??\K:	f76dc99.exe
File opened (read-only)	\??\M:	f76dc99.exe
File opened (read-only)	\??\N:	f76dc99.exe
File opened (read-only)	\??\O:	f76dc99.exe

UPX packed file 25 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2312-15-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-20-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-16-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-23-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-22-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-19-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-18-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-17-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-14-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-21-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-62-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-63-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-64-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-66-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-65-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-68-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-69-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-86-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-88-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-90-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-111-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-112-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2312-160-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2604-177-0x0000000000A80000-0x0000000001B3A000-memory.dmp	upx
behavioral1/memory/2604-217-0x0000000000A80000-0x0000000001B3A000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

Processes:

f76dc99.exef76f853.exe

description	ioc	process
File created	C:\Windows\f76dd06	f76dc99.exe
File opened for modification	C:\Windows\SYSTEM.INI	f76dc99.exe
File created	C:\Windows\f772ccb	f76f853.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.exef76dc99.exef76f853.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f76dc99.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f76f853.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f76dc99.exef76f853.exe

pid process

2312 f76dc99.exe
2312 f76dc99.exe
2604 f76f853.exe

pid	process
2312	f76dc99.exe
2312	f76dc99.exe
2604	f76f853.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

f76dc99.exef76f853.exe

description	pid	process
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2312	f76dc99.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe
Token: SeDebugPrivilege	2604	f76f853.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

rundll32.exerundll32.exef76dc99.exef76f853.exe

description	pid	process	target process
PID 276 wrote to memory of 2000	276	rundll32.exe	rundll32.exe
PID 276 wrote to memory of 2000	276	rundll32.exe	rundll32.exe
PID 276 wrote to memory of 2000	276	rundll32.exe	rundll32.exe
PID 276 wrote to memory of 2000	276	rundll32.exe	rundll32.exe
PID 276 wrote to memory of 2000	276	rundll32.exe	rundll32.exe
PID 276 wrote to memory of 2000	276	rundll32.exe	rundll32.exe
PID 276 wrote to memory of 2000	276	rundll32.exe	rundll32.exe
PID 2000 wrote to memory of 2312	2000	rundll32.exe	f76dc99.exe
PID 2000 wrote to memory of 2312	2000	rundll32.exe	f76dc99.exe
PID 2000 wrote to memory of 2312	2000	rundll32.exe	f76dc99.exe
PID 2000 wrote to memory of 2312	2000	rundll32.exe	f76dc99.exe
PID 2312 wrote to memory of 1060	2312	f76dc99.exe	Dwm.exe
PID 2312 wrote to memory of 1072	2312	f76dc99.exe	taskhost.exe
PID 2312 wrote to memory of 1144	2312	f76dc99.exe	Explorer.EXE
PID 2312 wrote to memory of 1564	2312	f76dc99.exe	DllHost.exe
PID 2312 wrote to memory of 276	2312	f76dc99.exe	rundll32.exe
PID 2312 wrote to memory of 2000	2312	f76dc99.exe	rundll32.exe
PID 2312 wrote to memory of 2000	2312	f76dc99.exe	rundll32.exe
PID 2000 wrote to memory of 2236	2000	rundll32.exe	f76de00.exe
PID 2000 wrote to memory of 2236	2000	rundll32.exe	f76de00.exe
PID 2000 wrote to memory of 2236	2000	rundll32.exe	f76de00.exe
PID 2000 wrote to memory of 2236	2000	rundll32.exe	f76de00.exe
PID 2000 wrote to memory of 2604	2000	rundll32.exe	f76f853.exe
PID 2000 wrote to memory of 2604	2000	rundll32.exe	f76f853.exe
PID 2000 wrote to memory of 2604	2000	rundll32.exe	f76f853.exe
PID 2000 wrote to memory of 2604	2000	rundll32.exe	f76f853.exe
PID 2312 wrote to memory of 1060	2312	f76dc99.exe	Dwm.exe
PID 2312 wrote to memory of 1072	2312	f76dc99.exe	taskhost.exe
PID 2312 wrote to memory of 1144	2312	f76dc99.exe	Explorer.EXE
PID 2312 wrote to memory of 1564	2312	f76dc99.exe	DllHost.exe
PID 2312 wrote to memory of 2236	2312	f76dc99.exe	f76de00.exe
PID 2312 wrote to memory of 2236	2312	f76dc99.exe	f76de00.exe
PID 2312 wrote to memory of 2604	2312	f76dc99.exe	f76f853.exe
PID 2312 wrote to memory of 2604	2312	f76dc99.exe	f76f853.exe
PID 2604 wrote to memory of 1060	2604	f76f853.exe	Dwm.exe
PID 2604 wrote to memory of 1072	2604	f76f853.exe	taskhost.exe
PID 2604 wrote to memory of 1144	2604	f76f853.exe	Explorer.EXE
PID 2604 wrote to memory of 1564	2604	f76f853.exe	DllHost.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

f76dc99.exef76f853.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76dc99.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76f853.exe

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1060

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1072

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1144
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5aa761f6aaaf79d892ad84b35402bda4a8c5565a5e92539053d7a6eaca29b551.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:276
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5aa761f6aaaf79d892ad84b35402bda4a8c5565a5e92539053d7a6eaca29b551.dll,#1
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2000
  - - C:\Users\Admin\AppData\Local\Temp\f76dc99.exe
      C:\Users\Admin\AppData\Local\Temp\f76dc99.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:2312
  - - C:\Users\Admin\AppData\Local\Temp\f76de00.exe
      C:\Users\Admin\AppData\Local\Temp\f76de00.exe
      4⤵
      Executes dropped EXE
      PID:2236
  - - C:\Users\Admin\AppData\Local\Temp\f76f853.exe
      C:\Users\Admin\AppData\Local\Temp\f76f853.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:2604

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1564

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