sality | 99dea991bf7691d21511f80d85f3f9be14149cf554821a27e38bde79e74727fb

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"	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f76ae68.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f76ae68.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f76ae68.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

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76ae68.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"	f76ae68.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76ae68.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76ae68.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76ae68.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76ae68.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76ae68.exe

Executes dropped EXE 3 IoCs

pid	Process
2904	f76aca4.exe
2612	f76ae68.exe
2528	f76cde9.exe

Loads dropped DLL 6 IoCs

pid	Process
1864	rundll32.exe
1864	rundll32.exe
1864	rundll32.exe
1864	rundll32.exe
1864	rundll32.exe
1864	rundll32.exe

UPX packed file 25 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2904-11-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-15-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-19-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-14-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-13-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-16-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-18-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-20-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-17-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-21-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-60-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-61-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-62-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-63-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-64-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-66-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-83-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-84-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-104-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-106-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-108-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-109-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2904-152-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/2612-165-0x0000000000A60000-0x0000000001B1A000-memory.dmp	upx
behavioral1/memory/2612-191-0x0000000000A60000-0x0000000001B1A000-memory.dmp	upx

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"	f76ae68.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76ae68.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76ae68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76ae68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f76ae68.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76ae68.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76ae68.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"	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76ae68.exe

Enumerates connected drives 3 TTPs 12 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)	\??\E:	f76aca4.exe
File opened (read-only)	\??\H:	f76aca4.exe
File opened (read-only)	\??\M:	f76aca4.exe
File opened (read-only)	\??\N:	f76aca4.exe
File opened (read-only)	\??\O:	f76aca4.exe
File opened (read-only)	\??\P:	f76aca4.exe
File opened (read-only)	\??\G:	f76aca4.exe
File opened (read-only)	\??\I:	f76aca4.exe
File opened (read-only)	\??\J:	f76aca4.exe
File opened (read-only)	\??\K:	f76aca4.exe
File opened (read-only)	\??\L:	f76aca4.exe
File opened (read-only)	\??\Q:	f76aca4.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\f76ad30	f76aca4.exe
File opened for modification	C:\Windows\SYSTEM.INI	f76aca4.exe
File created	C:\Windows\f76fd52	f76ae68.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	f76aca4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f76ae68.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2904	f76aca4.exe
2904	f76aca4.exe
2612	f76ae68.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2904	f76aca4.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe
Token: SeDebugPrivilege	2612	f76ae68.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 1864	2112	rundll32.exe	30
PID 2112 wrote to memory of 1864	2112	rundll32.exe	30
PID 2112 wrote to memory of 1864	2112	rundll32.exe	30
PID 2112 wrote to memory of 1864	2112	rundll32.exe	30
PID 2112 wrote to memory of 1864	2112	rundll32.exe	30
PID 2112 wrote to memory of 1864	2112	rundll32.exe	30
PID 2112 wrote to memory of 1864	2112	rundll32.exe	30
PID 1864 wrote to memory of 2904	1864	rundll32.exe	31
PID 1864 wrote to memory of 2904	1864	rundll32.exe	31
PID 1864 wrote to memory of 2904	1864	rundll32.exe	31
PID 1864 wrote to memory of 2904	1864	rundll32.exe	31
PID 2904 wrote to memory of 1044	2904	f76aca4.exe	17
PID 2904 wrote to memory of 1068	2904	f76aca4.exe	18
PID 2904 wrote to memory of 1128	2904	f76aca4.exe	20
PID 2904 wrote to memory of 1996	2904	f76aca4.exe	23
PID 2904 wrote to memory of 2112	2904	f76aca4.exe	29
PID 2904 wrote to memory of 1864	2904	f76aca4.exe	30
PID 2904 wrote to memory of 1864	2904	f76aca4.exe	30
PID 1864 wrote to memory of 2612	1864	rundll32.exe	32
PID 1864 wrote to memory of 2612	1864	rundll32.exe	32
PID 1864 wrote to memory of 2612	1864	rundll32.exe	32
PID 1864 wrote to memory of 2612	1864	rundll32.exe	32
PID 1864 wrote to memory of 2528	1864	rundll32.exe	34
PID 1864 wrote to memory of 2528	1864	rundll32.exe	34
PID 1864 wrote to memory of 2528	1864	rundll32.exe	34
PID 1864 wrote to memory of 2528	1864	rundll32.exe	34
PID 2904 wrote to memory of 1044	2904	f76aca4.exe	17
PID 2904 wrote to memory of 1068	2904	f76aca4.exe	18
PID 2904 wrote to memory of 1128	2904	f76aca4.exe	20
PID 2904 wrote to memory of 1996	2904	f76aca4.exe	23
PID 2904 wrote to memory of 2612	2904	f76aca4.exe	32
PID 2904 wrote to memory of 2612	2904	f76aca4.exe	32
PID 2904 wrote to memory of 2528	2904	f76aca4.exe	34
PID 2904 wrote to memory of 2528	2904	f76aca4.exe	34
PID 2612 wrote to memory of 1044	2612	f76ae68.exe	17
PID 2612 wrote to memory of 1068	2612	f76ae68.exe	18
PID 2612 wrote to memory of 1128	2612	f76ae68.exe	20
PID 2612 wrote to memory of 1996	2612	f76ae68.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"	f76aca4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76ae68.exe

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

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1068

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1128
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\99dea991bf7691d21511f80d85f3f9be14149cf554821a27e38bde79e74727fbN.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2112
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\99dea991bf7691d21511f80d85f3f9be14149cf554821a27e38bde79e74727fbN.dll,#1
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1864
  - - C:\Users\Admin\AppData\Local\Temp\f76aca4.exe
      C:\Users\Admin\AppData\Local\Temp\f76aca4.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:2904
  - - C:\Users\Admin\AppData\Local\Temp\f76ae68.exe
      C:\Users\Admin\AppData\Local\Temp\f76ae68.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:2612
  - - C:\Users\Admin\AppData\Local\Temp\f76cde9.exe
      C:\Users\Admin\AppData\Local\Temp\f76cde9.exe
      4⤵
      Executes dropped EXE
      PID:2528

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1996

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