sality | deab1ac3d642fefb2c9bc83d6d6f4b812b3e04ed606c3668020e032ef9d3b4aa

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"	f77055e.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f77055e.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f76e762.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f76e762.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f76e762.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f77055e.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"	f76e762.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f77055e.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\FirewallOverride = "1"	f76e762.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f77055e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77055e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77055e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76e762.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76e762.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76e762.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76e762.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77055e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77055e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77055e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76e762.exe

Executes dropped EXE 3 IoCs

pid	Process
2928	f76e762.exe
640	f76e956.exe
2384	f77055e.exe

Loads dropped DLL 6 IoCs

pid	Process
2744	rundll32.exe
2744	rundll32.exe
2744	rundll32.exe
2744	rundll32.exe
2744	rundll32.exe
2744	rundll32.exe

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2928-16-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-20-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-22-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-25-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-24-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-23-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-21-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-19-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-26-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-18-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-64-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-65-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-66-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-67-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-69-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-70-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-71-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-72-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-86-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-88-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-90-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2928-162-0x0000000000560000-0x000000000161A000-memory.dmp	upx
behavioral1/memory/2384-177-0x0000000000990000-0x0000000001A4A000-memory.dmp	upx
behavioral1/memory/2384-218-0x0000000000990000-0x0000000001A4A000-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\AntiVirusOverride = "1"	f77055e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77055e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77055e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f77055e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76e762.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76e762.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77055e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f76e762.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f77055e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76e762.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76e762.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77055e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76e762.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76e762.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"	f77055e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76e762.exe

Enumerates connected drives 3 TTPs 16 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:	f77055e.exe
File opened (read-only)	\??\N:	f76e762.exe
File opened (read-only)	\??\S:	f76e762.exe
File opened (read-only)	\??\K:	f76e762.exe
File opened (read-only)	\??\M:	f76e762.exe
File opened (read-only)	\??\O:	f76e762.exe
File opened (read-only)	\??\G:	f77055e.exe
File opened (read-only)	\??\G:	f76e762.exe
File opened (read-only)	\??\J:	f76e762.exe
File opened (read-only)	\??\P:	f76e762.exe
File opened (read-only)	\??\R:	f76e762.exe
File opened (read-only)	\??\H:	f76e762.exe
File opened (read-only)	\??\L:	f76e762.exe
File opened (read-only)	\??\T:	f76e762.exe
File opened (read-only)	\??\I:	f76e762.exe
File opened (read-only)	\??\Q:	f76e762.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\f76e7ef	f76e762.exe
File opened for modification	C:\Windows\SYSTEM.INI	f76e762.exe
File created	C:\Windows\f7737e2	f77055e.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	f76e762.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f77055e.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2928	f76e762.exe
2928	f76e762.exe
2384	f77055e.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2928	f76e762.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe
Token: SeDebugPrivilege	2384	f77055e.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2744	2112	rundll32.exe	31
PID 2112 wrote to memory of 2744	2112	rundll32.exe	31
PID 2112 wrote to memory of 2744	2112	rundll32.exe	31
PID 2112 wrote to memory of 2744	2112	rundll32.exe	31
PID 2112 wrote to memory of 2744	2112	rundll32.exe	31
PID 2112 wrote to memory of 2744	2112	rundll32.exe	31
PID 2112 wrote to memory of 2744	2112	rundll32.exe	31
PID 2744 wrote to memory of 2928	2744	rundll32.exe	32
PID 2744 wrote to memory of 2928	2744	rundll32.exe	32
PID 2744 wrote to memory of 2928	2744	rundll32.exe	32
PID 2744 wrote to memory of 2928	2744	rundll32.exe	32
PID 2928 wrote to memory of 1068	2928	f76e762.exe	18
PID 2928 wrote to memory of 1100	2928	f76e762.exe	19
PID 2928 wrote to memory of 1188	2928	f76e762.exe	21
PID 2928 wrote to memory of 1200	2928	f76e762.exe	23
PID 2928 wrote to memory of 2112	2928	f76e762.exe	30
PID 2928 wrote to memory of 2744	2928	f76e762.exe	31
PID 2928 wrote to memory of 2744	2928	f76e762.exe	31
PID 2744 wrote to memory of 640	2744	rundll32.exe	33
PID 2744 wrote to memory of 640	2744	rundll32.exe	33
PID 2744 wrote to memory of 640	2744	rundll32.exe	33
PID 2744 wrote to memory of 640	2744	rundll32.exe	33
PID 2744 wrote to memory of 2384	2744	rundll32.exe	34
PID 2744 wrote to memory of 2384	2744	rundll32.exe	34
PID 2744 wrote to memory of 2384	2744	rundll32.exe	34
PID 2744 wrote to memory of 2384	2744	rundll32.exe	34
PID 2928 wrote to memory of 1068	2928	f76e762.exe	18
PID 2928 wrote to memory of 1100	2928	f76e762.exe	19
PID 2928 wrote to memory of 1188	2928	f76e762.exe	21
PID 2928 wrote to memory of 1200	2928	f76e762.exe	23
PID 2928 wrote to memory of 640	2928	f76e762.exe	33
PID 2928 wrote to memory of 640	2928	f76e762.exe	33
PID 2928 wrote to memory of 2384	2928	f76e762.exe	34
PID 2928 wrote to memory of 2384	2928	f76e762.exe	34
PID 2384 wrote to memory of 1068	2384	f77055e.exe	18
PID 2384 wrote to memory of 1100	2384	f77055e.exe	19
PID 2384 wrote to memory of 1188	2384	f77055e.exe	21
PID 2384 wrote to memory of 1200	2384	f77055e.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"	f77055e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76e762.exe

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\deab1ac3d642fefb2c9bc83d6d6f4b812b3e04ed606c3668020e032ef9d3b4aaN.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2112
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\deab1ac3d642fefb2c9bc83d6d6f4b812b3e04ed606c3668020e032ef9d3b4aaN.dll,#1
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2744
  - - C:\Users\Admin\AppData\Local\Temp\f76e762.exe
      C:\Users\Admin\AppData\Local\Temp\f76e762.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:2928
  - - C:\Users\Admin\AppData\Local\Temp\f76e956.exe
      C:\Users\Admin\AppData\Local\Temp\f76e956.exe
      4⤵
      Executes dropped EXE
      PID:640
  - - C:\Users\Admin\AppData\Local\Temp\f77055e.exe
      C:\Users\Admin\AppData\Local\Temp\f77055e.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:2384

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1200

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