sality | 4434d84e94dbf07dc5f0bc979998d4f87a9ec055491fae8aeae20e25d5d42029

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"	f77f3c1.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f77f3c1.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f77f5f3.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f77f5f3.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f77f5f3.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f77f3c1.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"	f77f5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f77f3c1.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\AntiVirusDisableNotify = "1"	f77f5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77f5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77f5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77f3c1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77f3c1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77f3c1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77f5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77f5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77f5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77f3c1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f77f3c1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77f3c1.exe

Executes dropped EXE 3 IoCs

pid	Process
2436	f77f3c1.exe
3024	f77f5f3.exe
288	f780ff8.exe

Loads dropped DLL 6 IoCs

pid	Process
2268	rundll32.exe
2268	rundll32.exe
2268	rundll32.exe
2268	rundll32.exe
2268	rundll32.exe
2268	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"	f77f3c1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77f3c1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f77f5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77f5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77f3c1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f77f3c1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77f5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77f5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77f5f3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f77f5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77f3c1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77f3c1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77f3c1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77f5f3.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"	f77f3c1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f77f5f3.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)	\??\P:	f77f3c1.exe
File opened (read-only)	\??\S:	f77f3c1.exe
File opened (read-only)	\??\I:	f77f3c1.exe
File opened (read-only)	\??\L:	f77f3c1.exe
File opened (read-only)	\??\O:	f77f3c1.exe
File opened (read-only)	\??\E:	f77f3c1.exe
File opened (read-only)	\??\G:	f77f3c1.exe
File opened (read-only)	\??\J:	f77f3c1.exe
File opened (read-only)	\??\N:	f77f3c1.exe
File opened (read-only)	\??\Q:	f77f3c1.exe
File opened (read-only)	\??\R:	f77f3c1.exe
File opened (read-only)	\??\H:	f77f3c1.exe
File opened (read-only)	\??\K:	f77f3c1.exe
File opened (read-only)	\??\M:	f77f3c1.exe

UPX packed file 26 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2436-14-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-16-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-18-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-37-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-17-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-15-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-23-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-35-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-13-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-36-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-59-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-60-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-61-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-62-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-63-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-65-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-66-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-82-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-84-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-85-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-105-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-107-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-109-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2436-147-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/3024-160-0x0000000000920000-0x00000000019DA000-memory.dmp	upx
behavioral1/memory/3024-172-0x0000000000920000-0x00000000019DA000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\f78449e	f77f5f3.exe
File created	C:\Windows\f77f45d	f77f3c1.exe
File opened for modification	C:\Windows\SYSTEM.INI	f77f3c1.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	f77f3c1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2436	f77f3c1.exe
2436	f77f3c1.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe
Token: SeDebugPrivilege	2436	f77f3c1.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2268	2328	rundll32.exe	29
PID 2328 wrote to memory of 2268	2328	rundll32.exe	29
PID 2328 wrote to memory of 2268	2328	rundll32.exe	29
PID 2328 wrote to memory of 2268	2328	rundll32.exe	29
PID 2328 wrote to memory of 2268	2328	rundll32.exe	29
PID 2328 wrote to memory of 2268	2328	rundll32.exe	29
PID 2328 wrote to memory of 2268	2328	rundll32.exe	29
PID 2268 wrote to memory of 2436	2268	rundll32.exe	30
PID 2268 wrote to memory of 2436	2268	rundll32.exe	30
PID 2268 wrote to memory of 2436	2268	rundll32.exe	30
PID 2268 wrote to memory of 2436	2268	rundll32.exe	30
PID 2436 wrote to memory of 1112	2436	f77f3c1.exe	18
PID 2436 wrote to memory of 1164	2436	f77f3c1.exe	19
PID 2436 wrote to memory of 1188	2436	f77f3c1.exe	20
PID 2436 wrote to memory of 1644	2436	f77f3c1.exe	24
PID 2436 wrote to memory of 2328	2436	f77f3c1.exe	28
PID 2436 wrote to memory of 2268	2436	f77f3c1.exe	29
PID 2436 wrote to memory of 2268	2436	f77f3c1.exe	29
PID 2268 wrote to memory of 3024	2268	rundll32.exe	31
PID 2268 wrote to memory of 3024	2268	rundll32.exe	31
PID 2268 wrote to memory of 3024	2268	rundll32.exe	31
PID 2268 wrote to memory of 3024	2268	rundll32.exe	31
PID 2268 wrote to memory of 288	2268	rundll32.exe	32
PID 2268 wrote to memory of 288	2268	rundll32.exe	32
PID 2268 wrote to memory of 288	2268	rundll32.exe	32
PID 2268 wrote to memory of 288	2268	rundll32.exe	32
PID 2436 wrote to memory of 1112	2436	f77f3c1.exe	18
PID 2436 wrote to memory of 1164	2436	f77f3c1.exe	19
PID 2436 wrote to memory of 1188	2436	f77f3c1.exe	20
PID 2436 wrote to memory of 1644	2436	f77f3c1.exe	24
PID 2436 wrote to memory of 3024	2436	f77f3c1.exe	31
PID 2436 wrote to memory of 3024	2436	f77f3c1.exe	31
PID 2436 wrote to memory of 288	2436	f77f3c1.exe	32
PID 2436 wrote to memory of 288	2436	f77f3c1.exe	32

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"	f77f5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f77f3c1.exe

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4434d84e94dbf07dc5f0bc979998d4f87a9ec055491fae8aeae20e25d5d42029.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2328
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4434d84e94dbf07dc5f0bc979998d4f87a9ec055491fae8aeae20e25d5d42029.dll,#1
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2268
  - - C:\Users\Admin\AppData\Local\Temp\f77f3c1.exe
      C:\Users\Admin\AppData\Local\Temp\f77f3c1.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:2436
  - - C:\Users\Admin\AppData\Local\Temp\f77f5f3.exe
      C:\Users\Admin\AppData\Local\Temp\f77f5f3.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 policy modification
      PID:3024
  - - C:\Users\Admin\AppData\Local\Temp\f780ff8.exe
      C:\Users\Admin\AppData\Local\Temp\f780ff8.exe
      4⤵
      Executes dropped EXE
      PID:288

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1644

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