sality | ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cb

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"	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe

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

UAC bypass 3 TTPs 1 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"	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe

Windows security bypass 2 TTPs 6 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe

UPX packed file 29 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2368-3-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-5-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-8-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-11-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-12-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-9-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-10-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-7-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-6-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-4-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-31-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-32-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-33-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-34-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-35-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-38-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-39-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-40-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-41-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-45-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-44-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-60-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-62-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-64-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-67-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-70-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-71-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-72-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2368-99-0x0000000000590000-0x000000000164A000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.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)	\??\Q:	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
File opened (read-only)	\??\I:	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
File opened (read-only)	\??\H:	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
File opened (read-only)	\??\J:	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
File opened (read-only)	\??\K:	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
File opened (read-only)	\??\L:	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
File opened (read-only)	\??\N:	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
File opened (read-only)	\??\P:	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
File opened (read-only)	\??\S:	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
File opened (read-only)	\??\E:	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
File opened (read-only)	\??\R:	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
File opened (read-only)	\??\O:	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
File opened (read-only)	\??\M:	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
File opened (read-only)	\??\G:	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\f76b27d	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
File opened for modification	C:\Windows\SYSTEM.INI	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
Token: SeDebugPrivilege	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1044	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe	17
PID 2368 wrote to memory of 1056	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe	18
PID 2368 wrote to memory of 1124	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe	20
PID 2368 wrote to memory of 1772	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe	25
PID 2368 wrote to memory of 1044	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe	17
PID 2368 wrote to memory of 1056	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe	18
PID 2368 wrote to memory of 1124	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe	20
PID 2368 wrote to memory of 1772	2368	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe	25

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1044

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1056

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1124
- C:\Users\Admin\AppData\Local\Temp\ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe
  "C:\Users\Admin\AppData\Local\Temp\ff3b3a2220af3cdffc25115460f491334c8832d6689efb936b500256bcfe18cbN.exe"
  2⤵
  - Modifies firewall policy service
  - UAC bypass
  - Windows security bypass
  - 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:2368

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1772

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