sality | 713bb803e7e113423acaf9d3f86244681df70649f807d26f3e63152b81b8660c

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"	f7610a4.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f7610a4.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f762c2f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f762c2f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f762c2f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f7610a4.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"	f762c2f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7610a4.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\AntiVirusOverride = "1"	f7610a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7610a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7610a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7610a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7610a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f762c2f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f762c2f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f762c2f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7610a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f762c2f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f762c2f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f762c2f.exe

Executes dropped EXE 3 IoCs

pid	Process
3040	f7610a4.exe
2720	f761593.exe
1208	f762c2f.exe

Loads dropped DLL 6 IoCs

pid	Process
2996	rundll32.exe
2996	rundll32.exe
2996	rundll32.exe
2996	rundll32.exe
2996	rundll32.exe
2996	rundll32.exe

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3040-12-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-13-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-15-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-18-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-20-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-21-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-19-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-17-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-23-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-22-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-16-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-62-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-63-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-64-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-65-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-66-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-83-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-84-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-107-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-108-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-124-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/3040-148-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/1208-164-0x0000000000920000-0x00000000019DA000-memory.dmp	upx
behavioral1/memory/1208-205-0x0000000000920000-0x00000000019DA000-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"	f7610a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7610a4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f762c2f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f762c2f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f762c2f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f762c2f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7610a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7610a4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f7610a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f762c2f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7610a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7610a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f762c2f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f762c2f.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"	f7610a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f762c2f.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)	\??\L:	f7610a4.exe
File opened (read-only)	\??\E:	f7610a4.exe
File opened (read-only)	\??\G:	f7610a4.exe
File opened (read-only)	\??\J:	f7610a4.exe
File opened (read-only)	\??\M:	f7610a4.exe
File opened (read-only)	\??\O:	f7610a4.exe
File opened (read-only)	\??\P:	f7610a4.exe
File opened (read-only)	\??\G:	f762c2f.exe
File opened (read-only)	\??\H:	f762c2f.exe
File opened (read-only)	\??\H:	f7610a4.exe
File opened (read-only)	\??\I:	f7610a4.exe
File opened (read-only)	\??\K:	f7610a4.exe
File opened (read-only)	\??\N:	f7610a4.exe
File opened (read-only)	\??\E:	f762c2f.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\f7610f2	f7610a4.exe
File opened for modification	C:\Windows\SYSTEM.INI	f7610a4.exe
File created	C:\Windows\f7664db	f762c2f.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3040	f7610a4.exe
3040	f7610a4.exe
1208	f762c2f.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	3040	f7610a4.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe
Token: SeDebugPrivilege	1208	f762c2f.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2996	2976	rundll32.exe	28
PID 2976 wrote to memory of 2996	2976	rundll32.exe	28
PID 2976 wrote to memory of 2996	2976	rundll32.exe	28
PID 2976 wrote to memory of 2996	2976	rundll32.exe	28
PID 2976 wrote to memory of 2996	2976	rundll32.exe	28
PID 2976 wrote to memory of 2996	2976	rundll32.exe	28
PID 2976 wrote to memory of 2996	2976	rundll32.exe	28
PID 2996 wrote to memory of 3040	2996	rundll32.exe	29
PID 2996 wrote to memory of 3040	2996	rundll32.exe	29
PID 2996 wrote to memory of 3040	2996	rundll32.exe	29
PID 2996 wrote to memory of 3040	2996	rundll32.exe	29
PID 3040 wrote to memory of 1112	3040	f7610a4.exe	19
PID 3040 wrote to memory of 1168	3040	f7610a4.exe	20
PID 3040 wrote to memory of 1220	3040	f7610a4.exe	21
PID 3040 wrote to memory of 1776	3040	f7610a4.exe	23
PID 3040 wrote to memory of 2976	3040	f7610a4.exe	27
PID 3040 wrote to memory of 2996	3040	f7610a4.exe	28
PID 3040 wrote to memory of 2996	3040	f7610a4.exe	28
PID 2996 wrote to memory of 2720	2996	rundll32.exe	30
PID 2996 wrote to memory of 2720	2996	rundll32.exe	30
PID 2996 wrote to memory of 2720	2996	rundll32.exe	30
PID 2996 wrote to memory of 2720	2996	rundll32.exe	30
PID 2996 wrote to memory of 1208	2996	rundll32.exe	31
PID 2996 wrote to memory of 1208	2996	rundll32.exe	31
PID 2996 wrote to memory of 1208	2996	rundll32.exe	31
PID 2996 wrote to memory of 1208	2996	rundll32.exe	31
PID 3040 wrote to memory of 1112	3040	f7610a4.exe	19
PID 3040 wrote to memory of 1168	3040	f7610a4.exe	20
PID 3040 wrote to memory of 1220	3040	f7610a4.exe	21
PID 3040 wrote to memory of 2720	3040	f7610a4.exe	30
PID 3040 wrote to memory of 2720	3040	f7610a4.exe	30
PID 3040 wrote to memory of 1208	3040	f7610a4.exe	31
PID 3040 wrote to memory of 1208	3040	f7610a4.exe	31
PID 1208 wrote to memory of 1112	1208	f762c2f.exe	19
PID 1208 wrote to memory of 1168	1208	f762c2f.exe	20
PID 1208 wrote to memory of 1220	1208	f762c2f.exe	21

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"	f7610a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f762c2f.exe

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1220
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\713bb803e7e113423acaf9d3f86244681df70649f807d26f3e63152b81b8660c.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2976
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\713bb803e7e113423acaf9d3f86244681df70649f807d26f3e63152b81b8660c.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2996
  - - C:\Users\Admin\AppData\Local\Temp\f7610a4.exe
      C:\Users\Admin\AppData\Local\Temp\f7610a4.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
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:3040
  - - C:\Users\Admin\AppData\Local\Temp\f761593.exe
      C:\Users\Admin\AppData\Local\Temp\f761593.exe
      4⤵
      Executes dropped EXE
      PID:2720
  - - C:\Users\Admin\AppData\Local\Temp\f762c2f.exe
      C:\Users\Admin\AppData\Local\Temp\f762c2f.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
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:1208

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1776

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