sality | a6f8fcdf08d47637cc2151fc5888d9c5643ff6ffda647d7559c5d37e1aacccb5

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"	f769389.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f769389.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f7677af.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f7677af.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f7677af.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f769389.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"	f7677af.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f769389.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\UpdatesDisableNotify = "1"	f7677af.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f769389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f769389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f769389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f769389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7677af.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7677af.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7677af.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f769389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7677af.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7677af.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f769389.exe

Executes dropped EXE 3 IoCs

pid	Process
2432	f7677af.exe
2780	f767926.exe
2540	f769389.exe

Loads dropped DLL 6 IoCs

pid	Process
1812	rundll32.exe
1812	rundll32.exe
1812	rundll32.exe
1812	rundll32.exe
1812	rundll32.exe
1812	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\UacDisableNotify = "1"	f769389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7677af.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7677af.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7677af.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7677af.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f7677af.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f769389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f769389.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f769389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7677af.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7677af.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f769389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f769389.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f769389.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"	f7677af.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f769389.exe

Enumerates connected drives 3 TTPs 13 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:	f7677af.exe
File opened (read-only)	\??\G:	f7677af.exe
File opened (read-only)	\??\J:	f7677af.exe
File opened (read-only)	\??\N:	f7677af.exe
File opened (read-only)	\??\E:	f769389.exe
File opened (read-only)	\??\G:	f769389.exe
File opened (read-only)	\??\P:	f7677af.exe
File opened (read-only)	\??\H:	f7677af.exe
File opened (read-only)	\??\I:	f7677af.exe
File opened (read-only)	\??\K:	f7677af.exe
File opened (read-only)	\??\L:	f7677af.exe
File opened (read-only)	\??\M:	f7677af.exe
File opened (read-only)	\??\O:	f7677af.exe

UPX packed file 26 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2432-14-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-17-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-13-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-20-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-18-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-21-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-22-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-19-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-16-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-15-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-62-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-63-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-64-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-65-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-81-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-82-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-84-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-85-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-103-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-105-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-107-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-109-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-110-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2432-149-0x00000000005A0000-0x000000000165A000-memory.dmp	upx
behavioral1/memory/2540-164-0x00000000009A0000-0x0000000001A5A000-memory.dmp	upx
behavioral1/memory/2540-203-0x00000000009A0000-0x0000000001A5A000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\f76780d	f7677af.exe
File opened for modification	C:\Windows\SYSTEM.INI	f7677af.exe
File created	C:\Windows\f76c84e	f769389.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	f7677af.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f769389.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2432	f7677af.exe
2432	f7677af.exe
2540	f769389.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2432	f7677af.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe
Token: SeDebugPrivilege	2540	f769389.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 1812	1048	rundll32.exe	28
PID 1048 wrote to memory of 1812	1048	rundll32.exe	28
PID 1048 wrote to memory of 1812	1048	rundll32.exe	28
PID 1048 wrote to memory of 1812	1048	rundll32.exe	28
PID 1048 wrote to memory of 1812	1048	rundll32.exe	28
PID 1048 wrote to memory of 1812	1048	rundll32.exe	28
PID 1048 wrote to memory of 1812	1048	rundll32.exe	28
PID 1812 wrote to memory of 2432	1812	rundll32.exe	29
PID 1812 wrote to memory of 2432	1812	rundll32.exe	29
PID 1812 wrote to memory of 2432	1812	rundll32.exe	29
PID 1812 wrote to memory of 2432	1812	rundll32.exe	29
PID 2432 wrote to memory of 1108	2432	f7677af.exe	19
PID 2432 wrote to memory of 1176	2432	f7677af.exe	20
PID 2432 wrote to memory of 1216	2432	f7677af.exe	21
PID 2432 wrote to memory of 1496	2432	f7677af.exe	23
PID 2432 wrote to memory of 1048	2432	f7677af.exe	27
PID 2432 wrote to memory of 1812	2432	f7677af.exe	28
PID 2432 wrote to memory of 1812	2432	f7677af.exe	28
PID 1812 wrote to memory of 2780	1812	rundll32.exe	30
PID 1812 wrote to memory of 2780	1812	rundll32.exe	30
PID 1812 wrote to memory of 2780	1812	rundll32.exe	30
PID 1812 wrote to memory of 2780	1812	rundll32.exe	30
PID 1812 wrote to memory of 2540	1812	rundll32.exe	31
PID 1812 wrote to memory of 2540	1812	rundll32.exe	31
PID 1812 wrote to memory of 2540	1812	rundll32.exe	31
PID 1812 wrote to memory of 2540	1812	rundll32.exe	31
PID 2432 wrote to memory of 1108	2432	f7677af.exe	19
PID 2432 wrote to memory of 1176	2432	f7677af.exe	20
PID 2432 wrote to memory of 1216	2432	f7677af.exe	21
PID 2432 wrote to memory of 1496	2432	f7677af.exe	23
PID 2432 wrote to memory of 2780	2432	f7677af.exe	30
PID 2432 wrote to memory of 2780	2432	f7677af.exe	30
PID 2432 wrote to memory of 2540	2432	f7677af.exe	31
PID 2432 wrote to memory of 2540	2432	f7677af.exe	31
PID 2540 wrote to memory of 1108	2540	f769389.exe	19
PID 2540 wrote to memory of 1176	2540	f769389.exe	20
PID 2540 wrote to memory of 1216	2540	f769389.exe	21
PID 2540 wrote to memory of 1496	2540	f769389.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"	f7677af.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f769389.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6f8fcdf08d47637cc2151fc5888d9c5643ff6ffda647d7559c5d37e1aacccb5.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1048
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6f8fcdf08d47637cc2151fc5888d9c5643ff6ffda647d7559c5d37e1aacccb5.dll,#1
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1812
  - - C:\Users\Admin\AppData\Local\Temp\f7677af.exe
      C:\Users\Admin\AppData\Local\Temp\f7677af.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:2432
  - - C:\Users\Admin\AppData\Local\Temp\f767926.exe
      C:\Users\Admin\AppData\Local\Temp\f767926.exe
      4⤵
      Executes dropped EXE
      PID:2780
  - - C:\Users\Admin\AppData\Local\Temp\f769389.exe
      C:\Users\Admin\AppData\Local\Temp\f769389.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:2540

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1496

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