sality | 494c9512d34544ad80e28d704a0868f77e7a02023195278520833bd975757c9f

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f76e6a7.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f76e6a7.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f76e6a7.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

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76e6a7.exe

Windows security bypass 2 TTPs 6 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76e6a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76e6a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76e6a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76e6a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76e6a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76e6a7.exe

Executes dropped EXE 3 IoCs

pid	Process
3048	f76e6a7.exe
2536	f76f019.exe
2996	f76f3a2.exe

Loads dropped DLL 6 IoCs

pid	Process
1516	rundll32.exe
1516	rundll32.exe
1516	rundll32.exe
1516	rundll32.exe
1516	rundll32.exe
1516	rundll32.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3048-13-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-15-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-16-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-21-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-25-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-38-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-43-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-47-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-50-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-63-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-71-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-72-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-73-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-74-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-75-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-80-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-96-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-98-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-100-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-102-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/3048-128-0x00000000005E0000-0x000000000169A000-memory.dmp	upx
behavioral1/memory/2996-134-0x0000000000A60000-0x0000000001B1A000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76e6a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76e6a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76e6a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76e6a7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f76e6a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76e6a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76e6a7.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"	f76e6a7.exe

Enumerates connected drives 3 TTPs 5 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)	\??\J:	f76e6a7.exe
File opened (read-only)	\??\E:	f76e6a7.exe
File opened (read-only)	\??\G:	f76e6a7.exe
File opened (read-only)	\??\H:	f76e6a7.exe
File opened (read-only)	\??\I:	f76e6a7.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\f76e956	f76e6a7.exe
File opened for modification	C:\Windows\SYSTEM.INI	f76e6a7.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3048	f76e6a7.exe
3048	f76e6a7.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe
Token: SeDebugPrivilege	3048	f76e6a7.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 1516	3000	rundll32.exe	27
PID 3000 wrote to memory of 1516	3000	rundll32.exe	27
PID 3000 wrote to memory of 1516	3000	rundll32.exe	27
PID 3000 wrote to memory of 1516	3000	rundll32.exe	27
PID 3000 wrote to memory of 1516	3000	rundll32.exe	27
PID 3000 wrote to memory of 1516	3000	rundll32.exe	27
PID 3000 wrote to memory of 1516	3000	rundll32.exe	27
PID 1516 wrote to memory of 3048	1516	rundll32.exe	29
PID 1516 wrote to memory of 3048	1516	rundll32.exe	29
PID 1516 wrote to memory of 3048	1516	rundll32.exe	29
PID 1516 wrote to memory of 3048	1516	rundll32.exe	29
PID 3048 wrote to memory of 1156	3048	f76e6a7.exe	15
PID 3048 wrote to memory of 1284	3048	f76e6a7.exe	14
PID 3048 wrote to memory of 1336	3048	f76e6a7.exe	9
PID 3048 wrote to memory of 3000	3048	f76e6a7.exe	26
PID 3048 wrote to memory of 1516	3048	f76e6a7.exe	27
PID 3048 wrote to memory of 1516	3048	f76e6a7.exe	27
PID 1516 wrote to memory of 2536	1516	rundll32.exe	31
PID 1516 wrote to memory of 2536	1516	rundll32.exe	31
PID 1516 wrote to memory of 2536	1516	rundll32.exe	31
PID 1516 wrote to memory of 2536	1516	rundll32.exe	31
PID 1516 wrote to memory of 2996	1516	rundll32.exe	32
PID 1516 wrote to memory of 2996	1516	rundll32.exe	32
PID 1516 wrote to memory of 2996	1516	rundll32.exe	32
PID 1516 wrote to memory of 2996	1516	rundll32.exe	32
PID 3048 wrote to memory of 1156	3048	f76e6a7.exe	15
PID 3048 wrote to memory of 1284	3048	f76e6a7.exe	14
PID 3048 wrote to memory of 1336	3048	f76e6a7.exe	9
PID 3048 wrote to memory of 2536	3048	f76e6a7.exe	31
PID 3048 wrote to memory of 2536	3048	f76e6a7.exe	31
PID 3048 wrote to memory of 2996	3048	f76e6a7.exe	32
PID 3048 wrote to memory of 2996	3048	f76e6a7.exe	32

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"	f76e6a7.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1336
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.2c1f3958f67573d898d8ce3e756a6280.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3000
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.2c1f3958f67573d898d8ce3e756a6280.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1516
  - - C:\Users\Admin\AppData\Local\Temp\f76e6a7.exe
      C:\Users\Admin\AppData\Local\Temp\f76e6a7.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:3048
  - - C:\Users\Admin\AppData\Local\Temp\f76f019.exe
      C:\Users\Admin\AppData\Local\Temp\f76f019.exe
      4⤵
      Executes dropped EXE
      PID:2536
  - - C:\Users\Admin\AppData\Local\Temp\f76f3a2.exe
      C:\Users\Admin\AppData\Local\Temp\f76f3a2.exe
      4⤵
      Executes dropped EXE
      PID:2996

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1284

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1156

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 Tools

Modify Registry