sality | 4584aad81665846a436ed8f3bddab7f32221191c806d2c00fd425da7c9cd2e86

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\DoNotAllowExceptions = "0"	f77004f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f77004f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f771bda.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f771bda.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f771bda.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f77004f.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"	f77004f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f771bda.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\FirewallDisableNotify = "1"	f771bda.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f771bda.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f771bda.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f771bda.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77004f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f77004f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77004f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77004f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77004f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77004f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f771bda.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f771bda.exe

Executes dropped EXE 3 IoCs

pid	Process
2528	f77004f.exe
2456	f770261.exe
2708	f771bda.exe

Loads dropped DLL 6 IoCs

pid	Process
2508	rundll32.exe
2508	rundll32.exe
2508	rundll32.exe
2508	rundll32.exe
2508	rundll32.exe
2508	rundll32.exe

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f77004f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f771bda.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77004f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77004f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77004f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f771bda.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f771bda.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77004f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f77004f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f771bda.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77004f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f771bda.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f771bda.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f771bda.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"	f77004f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f771bda.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

description	ioc	Process
File opened (read-only)	\??\L:	f77004f.exe
File opened (read-only)	\??\S:	f77004f.exe
File opened (read-only)	\??\I:	f77004f.exe
File opened (read-only)	\??\M:	f77004f.exe
File opened (read-only)	\??\G:	f771bda.exe
File opened (read-only)	\??\G:	f77004f.exe
File opened (read-only)	\??\K:	f77004f.exe
File opened (read-only)	\??\N:	f77004f.exe
File opened (read-only)	\??\P:	f77004f.exe
File opened (read-only)	\??\E:	f771bda.exe
File opened (read-only)	\??\T:	f77004f.exe
File opened (read-only)	\??\E:	f77004f.exe
File opened (read-only)	\??\H:	f77004f.exe
File opened (read-only)	\??\J:	f77004f.exe
File opened (read-only)	\??\O:	f77004f.exe
File opened (read-only)	\??\Q:	f77004f.exe
File opened (read-only)	\??\R:	f77004f.exe

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2528-16-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-19-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-21-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-15-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-23-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-47-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-20-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-18-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-17-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-22-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-59-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-60-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-61-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-62-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-63-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-66-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-77-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-86-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-88-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-108-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-109-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2528-154-0x00000000006E0000-0x000000000179A000-memory.dmp	upx
behavioral1/memory/2708-179-0x0000000000910000-0x00000000019CA000-memory.dmp	upx
behavioral1/memory/2708-210-0x0000000000910000-0x00000000019CA000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\f7700bc	f77004f.exe
File opened for modification	C:\Windows\SYSTEM.INI	f77004f.exe
File created	C:\Windows\f7750ee	f771bda.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	f77004f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f771bda.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2528	f77004f.exe
2528	f77004f.exe
2708	f771bda.exe

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2528	f77004f.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe
Token: SeDebugPrivilege	2708	f771bda.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 2508	1780	rundll32.exe	29
PID 1780 wrote to memory of 2508	1780	rundll32.exe	29
PID 1780 wrote to memory of 2508	1780	rundll32.exe	29
PID 1780 wrote to memory of 2508	1780	rundll32.exe	29
PID 1780 wrote to memory of 2508	1780	rundll32.exe	29
PID 1780 wrote to memory of 2508	1780	rundll32.exe	29
PID 1780 wrote to memory of 2508	1780	rundll32.exe	29
PID 2508 wrote to memory of 2528	2508	rundll32.exe	30
PID 2508 wrote to memory of 2528	2508	rundll32.exe	30
PID 2508 wrote to memory of 2528	2508	rundll32.exe	30
PID 2508 wrote to memory of 2528	2508	rundll32.exe	30
PID 2528 wrote to memory of 1112	2528	f77004f.exe	19
PID 2528 wrote to memory of 1180	2528	f77004f.exe	20
PID 2528 wrote to memory of 1236	2528	f77004f.exe	21
PID 2528 wrote to memory of 1188	2528	f77004f.exe	23
PID 2528 wrote to memory of 1780	2528	f77004f.exe	28
PID 2528 wrote to memory of 2508	2528	f77004f.exe	29
PID 2528 wrote to memory of 2508	2528	f77004f.exe	29
PID 2508 wrote to memory of 2456	2508	rundll32.exe	31
PID 2508 wrote to memory of 2456	2508	rundll32.exe	31
PID 2508 wrote to memory of 2456	2508	rundll32.exe	31
PID 2508 wrote to memory of 2456	2508	rundll32.exe	31
PID 2508 wrote to memory of 2708	2508	rundll32.exe	32
PID 2508 wrote to memory of 2708	2508	rundll32.exe	32
PID 2508 wrote to memory of 2708	2508	rundll32.exe	32
PID 2508 wrote to memory of 2708	2508	rundll32.exe	32
PID 2528 wrote to memory of 1112	2528	f77004f.exe	19
PID 2528 wrote to memory of 1180	2528	f77004f.exe	20
PID 2528 wrote to memory of 1236	2528	f77004f.exe	21
PID 2528 wrote to memory of 1188	2528	f77004f.exe	23
PID 2528 wrote to memory of 2456	2528	f77004f.exe	31
PID 2528 wrote to memory of 2456	2528	f77004f.exe	31
PID 2528 wrote to memory of 2708	2528	f77004f.exe	32
PID 2528 wrote to memory of 2708	2528	f77004f.exe	32
PID 2708 wrote to memory of 1112	2708	f771bda.exe	19
PID 2708 wrote to memory of 1180	2708	f771bda.exe	20
PID 2708 wrote to memory of 1236	2708	f771bda.exe	21
PID 2708 wrote to memory of 1188	2708	f771bda.exe	23

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"	f77004f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f771bda.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4584aad81665846a436ed8f3bddab7f32221191c806d2c00fd425da7c9cd2e86.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1780
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4584aad81665846a436ed8f3bddab7f32221191c806d2c00fd425da7c9cd2e86.dll,#1
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2508
  - - C:\Users\Admin\AppData\Local\Temp\f77004f.exe
      C:\Users\Admin\AppData\Local\Temp\f77004f.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:2528
  - - C:\Users\Admin\AppData\Local\Temp\f770261.exe
      C:\Users\Admin\AppData\Local\Temp\f770261.exe
      4⤵
      Executes dropped EXE
      PID:2456
  - - C:\Users\Admin\AppData\Local\Temp\f771bda.exe
      C:\Users\Admin\AppData\Local\Temp\f771bda.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:2708

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1188

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