sality | 29ac6dc66bd7d3ff4f449a80662bb2547c793b67277ae69e6f51289ef3d6476d

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f76cb4b.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f76cb4b.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f76cb4b.exe

Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality

UAC bypass 3 TTPs 1 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76cb4b.exe

Windows security bypass 2 TTPs 6 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76cb4b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76cb4b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76cb4b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76cb4b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76cb4b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76cb4b.exe

Executes dropped EXE 1 IoCs

pid	Process
2676	f76cb4b.exe

Loads dropped DLL 2 IoCs

pid	Process
2880	rundll32.exe
2880	rundll32.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2676-14-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-16-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-17-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-21-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-25-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-32-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-35-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-40-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-42-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-43-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-45-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-46-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-47-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-49-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-50-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-52-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-57-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-59-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-61-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-65-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-69-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2676-76-0x00000000006C0000-0x000000000177A000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f76cb4b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76cb4b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76cb4b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76cb4b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76cb4b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76cb4b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76cb4b.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76cb4b.exe

Enumerates connected drives 3 TTPs 7 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)	\??\H:	f76cb4b.exe
File opened (read-only)	\??\I:	f76cb4b.exe
File opened (read-only)	\??\J:	f76cb4b.exe
File opened (read-only)	\??\K:	f76cb4b.exe
File opened (read-only)	\??\L:	f76cb4b.exe
File opened (read-only)	\??\E:	f76cb4b.exe
File opened (read-only)	\??\G:	f76cb4b.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\f76cd9b	f76cb4b.exe
File opened for modification	C:\Windows\SYSTEM.INI	f76cb4b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2676	f76cb4b.exe
2676	f76cb4b.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe
Token: SeDebugPrivilege	2676	f76cb4b.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2880	2136	rundll32.exe	28
PID 2136 wrote to memory of 2880	2136	rundll32.exe	28
PID 2136 wrote to memory of 2880	2136	rundll32.exe	28
PID 2136 wrote to memory of 2880	2136	rundll32.exe	28
PID 2136 wrote to memory of 2880	2136	rundll32.exe	28
PID 2136 wrote to memory of 2880	2136	rundll32.exe	28
PID 2136 wrote to memory of 2880	2136	rundll32.exe	28
PID 2880 wrote to memory of 2676	2880	rundll32.exe	29
PID 2880 wrote to memory of 2676	2880	rundll32.exe	29
PID 2880 wrote to memory of 2676	2880	rundll32.exe	29
PID 2880 wrote to memory of 2676	2880	rundll32.exe	29
PID 2676 wrote to memory of 1148	2676	f76cb4b.exe	14
PID 2676 wrote to memory of 1244	2676	f76cb4b.exe	13
PID 2676 wrote to memory of 1288	2676	f76cb4b.exe	12
PID 2676 wrote to memory of 344	2676	f76cb4b.exe	11
PID 2676 wrote to memory of 1148	2676	f76cb4b.exe	14
PID 2676 wrote to memory of 1244	2676	f76cb4b.exe	13
PID 2676 wrote to memory of 1288	2676	f76cb4b.exe	12

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76cb4b.exe

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:344

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1288
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.3fbd7d4a57a164798b4857d39330d940_JC.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2136
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.3fbd7d4a57a164798b4857d39330d940_JC.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2880
  - - C:\Users\Admin\AppData\Local\Temp\f76cb4b.exe
      C:\Users\Admin\AppData\Local\Temp\f76cb4b.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:2676

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1244

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1148

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