sality | 5ad27176608dae8e7b2833f8fc41b1051f532996dbfbf1c838910e7d38c04eac

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"	f76b79c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f76b79c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f76b79c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f76b960.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f76b960.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f76b960.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"	f76b79c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76b960.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"	f76b960.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76b960.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76b79c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76b79c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76b79c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76b79c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76b960.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76b960.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76b960.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76b960.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76b79c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76b79c.exe

Executes dropped EXE 3 IoCs

pid	Process
2384	f76b79c.exe
524	f76b960.exe
2920	f76d346.exe

Loads dropped DLL 6 IoCs

pid	Process
2372	rundll32.exe
2372	rundll32.exe
2372	rundll32.exe
2372	rundll32.exe
2372	rundll32.exe
2372	rundll32.exe

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f76b960.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76b79c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f76b79c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76b960.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76b960.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76b79c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76b79c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76b79c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76b960.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76b960.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76b960.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76b79c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76b960.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76b79c.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"	f76b79c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76b960.exe

Enumerates connected drives 3 TTPs 15 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:	f76b79c.exe
File opened (read-only)	\??\G:	f76b79c.exe
File opened (read-only)	\??\M:	f76b79c.exe
File opened (read-only)	\??\Q:	f76b79c.exe
File opened (read-only)	\??\H:	f76b79c.exe
File opened (read-only)	\??\P:	f76b79c.exe
File opened (read-only)	\??\T:	f76b79c.exe
File opened (read-only)	\??\K:	f76b79c.exe
File opened (read-only)	\??\L:	f76b79c.exe
File opened (read-only)	\??\N:	f76b79c.exe
File opened (read-only)	\??\R:	f76b79c.exe
File opened (read-only)	\??\S:	f76b79c.exe
File opened (read-only)	\??\I:	f76b79c.exe
File opened (read-only)	\??\J:	f76b79c.exe
File opened (read-only)	\??\O:	f76b79c.exe

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2384-20-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-21-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-15-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-24-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-25-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-23-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-22-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-19-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-26-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-18-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-17-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-65-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-64-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-66-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-67-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-68-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-70-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-71-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-85-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-88-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-92-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/2384-162-0x00000000006F0000-0x00000000017AA000-memory.dmp	upx
behavioral1/memory/524-176-0x0000000000910000-0x00000000019CA000-memory.dmp	upx
behavioral1/memory/524-201-0x0000000000910000-0x00000000019CA000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\f77084a	f76b960.exe
File created	C:\Windows\f76b7ea	f76b79c.exe
File opened for modification	C:\Windows\SYSTEM.INI	f76b79c.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	f76b79c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f76b960.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2384	f76b79c.exe
2384	f76b79c.exe
524	f76b960.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	2384	f76b79c.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe
Token: SeDebugPrivilege	524	f76b960.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 2372 wrote to memory of 2384	2372	rundll32.exe	31
PID 2372 wrote to memory of 2384	2372	rundll32.exe	31
PID 2372 wrote to memory of 2384	2372	rundll32.exe	31
PID 2372 wrote to memory of 2384	2372	rundll32.exe	31
PID 2384 wrote to memory of 1112	2384	f76b79c.exe	19
PID 2384 wrote to memory of 1172	2384	f76b79c.exe	20
PID 2384 wrote to memory of 1204	2384	f76b79c.exe	21
PID 2384 wrote to memory of 284	2384	f76b79c.exe	25
PID 2384 wrote to memory of 1244	2384	f76b79c.exe	29
PID 2384 wrote to memory of 2372	2384	f76b79c.exe	30
PID 2384 wrote to memory of 2372	2384	f76b79c.exe	30
PID 2372 wrote to memory of 524	2372	rundll32.exe	32
PID 2372 wrote to memory of 524	2372	rundll32.exe	32
PID 2372 wrote to memory of 524	2372	rundll32.exe	32
PID 2372 wrote to memory of 524	2372	rundll32.exe	32
PID 2372 wrote to memory of 2920	2372	rundll32.exe	34
PID 2372 wrote to memory of 2920	2372	rundll32.exe	34
PID 2372 wrote to memory of 2920	2372	rundll32.exe	34
PID 2372 wrote to memory of 2920	2372	rundll32.exe	34
PID 2384 wrote to memory of 1112	2384	f76b79c.exe	19
PID 2384 wrote to memory of 1172	2384	f76b79c.exe	20
PID 2384 wrote to memory of 1204	2384	f76b79c.exe	21
PID 2384 wrote to memory of 284	2384	f76b79c.exe	25
PID 2384 wrote to memory of 524	2384	f76b79c.exe	32
PID 2384 wrote to memory of 524	2384	f76b79c.exe	32
PID 2384 wrote to memory of 2920	2384	f76b79c.exe	34
PID 2384 wrote to memory of 2920	2384	f76b79c.exe	34
PID 524 wrote to memory of 1112	524	f76b960.exe	19
PID 524 wrote to memory of 1172	524	f76b960.exe	20
PID 524 wrote to memory of 1204	524	f76b960.exe	21
PID 524 wrote to memory of 284	524	f76b960.exe	25

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"	f76b79c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76b960.exe

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5ad27176608dae8e7b2833f8fc41b1051f532996dbfbf1c838910e7d38c04eacN.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1244
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5ad27176608dae8e7b2833f8fc41b1051f532996dbfbf1c838910e7d38c04eacN.dll,#1
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2372
  - - C:\Users\Admin\AppData\Local\Temp\f76b79c.exe
      C:\Users\Admin\AppData\Local\Temp\f76b79c.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:\Users\Admin\AppData\Local\Temp\f76b960.exe
      C:\Users\Admin\AppData\Local\Temp\f76b960.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:524
  - - C:\Users\Admin\AppData\Local\Temp\f76d346.exe
      C:\Users\Admin\AppData\Local\Temp\f76d346.exe
      4⤵
      Executes dropped EXE
      PID:2920

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:284

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