sality | 904f18ca48b657d6ac33d9746d6356eb2b1c988dd1065231e188d0538a6dc4d4

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f772961.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f77086a.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f77086a.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f77086a.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f772961.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f772961.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"	f77086a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f772961.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"	f77086a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77086a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f772961.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f772961.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f772961.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77086a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f77086a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77086a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f772961.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f772961.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77086a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f772961.exe

Executes dropped EXE 3 IoCs

pid	Process
2704	f77086a.exe
2508	f7710d2.exe
828	f772961.exe

Loads dropped DLL 6 IoCs

pid	Process
1620	rundll32.exe
1620	rundll32.exe
1620	rundll32.exe
1620	rundll32.exe
1620	rundll32.exe
1620	rundll32.exe

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2704-11-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-13-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-14-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-17-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-21-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-25-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-32-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-53-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-55-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-56-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-57-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-58-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-59-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-60-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-61-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-76-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-78-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-80-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-82-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-102-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-103-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/2704-134-0x00000000005D0000-0x000000000168A000-memory.dmp	upx
behavioral1/memory/828-137-0x0000000000910000-0x00000000019CA000-memory.dmp	upx
behavioral1/memory/828-177-0x0000000000910000-0x00000000019CA000-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\AntiVirusDisableNotify = "1"	f77086a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f77086a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f77086a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f772961.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f772961.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f772961.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f77086a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f77086a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f77086a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f772961.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f77086a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f772961.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f772961.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f772961.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"	f77086a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f772961.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:	f77086a.exe
File opened (read-only)	\??\I:	f77086a.exe
File opened (read-only)	\??\J:	f77086a.exe
File opened (read-only)	\??\K:	f77086a.exe
File opened (read-only)	\??\L:	f77086a.exe
File opened (read-only)	\??\E:	f77086a.exe
File opened (read-only)	\??\G:	f77086a.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\f7709c1	f77086a.exe
File opened for modification	C:\Windows\SYSTEM.INI	f77086a.exe
File created	C:\Windows\f776dff	f772961.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2704	f77086a.exe
2704	f77086a.exe
828	f772961.exe

Suspicious use of AdjustPrivilegeToken 45 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	2704	f77086a.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe
Token: SeDebugPrivilege	828	f772961.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 1620	2776	rundll32.exe	29
PID 2776 wrote to memory of 1620	2776	rundll32.exe	29
PID 2776 wrote to memory of 1620	2776	rundll32.exe	29
PID 2776 wrote to memory of 1620	2776	rundll32.exe	29
PID 2776 wrote to memory of 1620	2776	rundll32.exe	29
PID 2776 wrote to memory of 1620	2776	rundll32.exe	29
PID 2776 wrote to memory of 1620	2776	rundll32.exe	29
PID 1620 wrote to memory of 2704	1620	rundll32.exe	30
PID 1620 wrote to memory of 2704	1620	rundll32.exe	30
PID 1620 wrote to memory of 2704	1620	rundll32.exe	30
PID 1620 wrote to memory of 2704	1620	rundll32.exe	30
PID 2704 wrote to memory of 1260	2704	f77086a.exe	5
PID 2704 wrote to memory of 1380	2704	f77086a.exe	12
PID 2704 wrote to memory of 1404	2704	f77086a.exe	11
PID 2704 wrote to memory of 2776	2704	f77086a.exe	28
PID 2704 wrote to memory of 1620	2704	f77086a.exe	29
PID 2704 wrote to memory of 1620	2704	f77086a.exe	29
PID 1620 wrote to memory of 2508	1620	rundll32.exe	31
PID 1620 wrote to memory of 2508	1620	rundll32.exe	31
PID 1620 wrote to memory of 2508	1620	rundll32.exe	31
PID 1620 wrote to memory of 2508	1620	rundll32.exe	31
PID 1620 wrote to memory of 828	1620	rundll32.exe	32
PID 1620 wrote to memory of 828	1620	rundll32.exe	32
PID 1620 wrote to memory of 828	1620	rundll32.exe	32
PID 1620 wrote to memory of 828	1620	rundll32.exe	32
PID 2704 wrote to memory of 1260	2704	f77086a.exe	5
PID 2704 wrote to memory of 1380	2704	f77086a.exe	12
PID 2704 wrote to memory of 1404	2704	f77086a.exe	11
PID 2704 wrote to memory of 2508	2704	f77086a.exe	31
PID 2704 wrote to memory of 2508	2704	f77086a.exe	31
PID 2704 wrote to memory of 828	2704	f77086a.exe	32
PID 2704 wrote to memory of 828	2704	f77086a.exe	32
PID 828 wrote to memory of 1260	828	f772961.exe	5
PID 828 wrote to memory of 1380	828	f772961.exe	12
PID 828 wrote to memory of 1404	828	f772961.exe	11

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"	f77086a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f772961.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1260

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1404
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.5063d06304cdcd634d90bfe3e4475130_JC.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.5063d06304cdcd634d90bfe3e4475130_JC.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1620
  - - C:\Users\Admin\AppData\Local\Temp\f77086a.exe
      C:\Users\Admin\AppData\Local\Temp\f77086a.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:2704
  - - C:\Users\Admin\AppData\Local\Temp\f7710d2.exe
      C:\Users\Admin\AppData\Local\Temp\f7710d2.exe
      4⤵
      Executes dropped EXE
      PID:2508
  - - C:\Users\Admin\AppData\Local\Temp\f772961.exe
      C:\Users\Admin\AppData\Local\Temp\f772961.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
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:828

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1380

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