sality | 33f8959f4c7a3bbd46ed0851e6ab163f6e8e3863f92f7c5dec3ddf911d7c3b26

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6c30e1.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6c5207.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6c5207.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6c5207.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6c30e1.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6c30e1.exe

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

UAC bypass 3 TTPs 2 IoCs

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c30e1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c5207.exe

Windows security bypass 2 TTPs 12 IoCs

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c5207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c5207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c5207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c5207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c5207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c30e1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c30e1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c30e1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c30e1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c30e1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c5207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c30e1.exe

Executes dropped EXE 3 IoCs

pid	Process
272	6c30e1.exe
960	6c345a.exe
320	6c5207.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/272-61-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/272-66-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/272-83-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/272-85-0x0000000000690000-0x000000000174A000-memory.dmp	upx
behavioral1/memory/320-89-0x0000000000900000-0x00000000019BA000-memory.dmp	upx
behavioral1/memory/320-90-0x0000000000900000-0x00000000019BA000-memory.dmp	upx
behavioral1/memory/320-92-0x0000000000900000-0x00000000019BA000-memory.dmp	upx

Loads dropped DLL 6 IoCs

pid	Process
1892	rundll32.exe
1892	rundll32.exe
1892	rundll32.exe
1892	rundll32.exe
1892	rundll32.exe
1892	rundll32.exe

Windows security modification 2 TTPs 14 IoCs

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c30e1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c30e1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c30e1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c5207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c30e1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6c30e1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c5207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c30e1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c5207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c5207.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6c5207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c30e1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c5207.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c5207.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"	6c30e1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c5207.exe

Enumerates connected drives 3 TTPs 8 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)	\??\K:	6c30e1.exe
File opened (read-only)	\??\L:	6c30e1.exe
File opened (read-only)	\??\E:	6c30e1.exe
File opened (read-only)	\??\F:	6c30e1.exe
File opened (read-only)	\??\G:	6c30e1.exe
File opened (read-only)	\??\H:	6c30e1.exe
File opened (read-only)	\??\I:	6c30e1.exe
File opened (read-only)	\??\J:	6c30e1.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\6c3229	6c30e1.exe
File opened for modification	C:\Windows\SYSTEM.INI	6c30e1.exe
File created	C:\Windows\6c8b7e	6c5207.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
272	6c30e1.exe
272	6c30e1.exe
320	6c5207.exe

Suspicious use of AdjustPrivilegeToken 42 IoCs

description	pid	Process
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	272	6c30e1.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe
Token: SeDebugPrivilege	320	6c5207.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 1892	2004	rundll32.exe	28
PID 2004 wrote to memory of 1892	2004	rundll32.exe	28
PID 2004 wrote to memory of 1892	2004	rundll32.exe	28
PID 2004 wrote to memory of 1892	2004	rundll32.exe	28
PID 2004 wrote to memory of 1892	2004	rundll32.exe	28
PID 2004 wrote to memory of 1892	2004	rundll32.exe	28
PID 2004 wrote to memory of 1892	2004	rundll32.exe	28
PID 1892 wrote to memory of 272	1892	rundll32.exe	29
PID 1892 wrote to memory of 272	1892	rundll32.exe	29
PID 1892 wrote to memory of 272	1892	rundll32.exe	29
PID 1892 wrote to memory of 272	1892	rundll32.exe	29
PID 272 wrote to memory of 1248	272	6c30e1.exe	18
PID 272 wrote to memory of 1316	272	6c30e1.exe	17
PID 272 wrote to memory of 1372	272	6c30e1.exe	15
PID 272 wrote to memory of 2004	272	6c30e1.exe	16
PID 272 wrote to memory of 1892	272	6c30e1.exe	28
PID 272 wrote to memory of 1892	272	6c30e1.exe	28
PID 1892 wrote to memory of 960	1892	rundll32.exe	30
PID 1892 wrote to memory of 960	1892	rundll32.exe	30
PID 1892 wrote to memory of 960	1892	rundll32.exe	30
PID 1892 wrote to memory of 960	1892	rundll32.exe	30
PID 1892 wrote to memory of 320	1892	rundll32.exe	31
PID 1892 wrote to memory of 320	1892	rundll32.exe	31
PID 1892 wrote to memory of 320	1892	rundll32.exe	31
PID 1892 wrote to memory of 320	1892	rundll32.exe	31
PID 272 wrote to memory of 1248	272	6c30e1.exe	18
PID 272 wrote to memory of 1316	272	6c30e1.exe	17
PID 272 wrote to memory of 1372	272	6c30e1.exe	15
PID 272 wrote to memory of 960	272	6c30e1.exe	30
PID 272 wrote to memory of 960	272	6c30e1.exe	30
PID 272 wrote to memory of 320	272	6c30e1.exe	31
PID 272 wrote to memory of 320	272	6c30e1.exe	31
PID 320 wrote to memory of 1248	320	6c5207.exe	18
PID 320 wrote to memory of 1316	320	6c5207.exe	17
PID 320 wrote to memory of 1372	320	6c5207.exe	15

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"	6c30e1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c5207.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1372
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\33f8959f4c7a3bbd46ed0851e6ab163f6e8e3863f92f7c5dec3ddf911d7c3b26.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2004
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\33f8959f4c7a3bbd46ed0851e6ab163f6e8e3863f92f7c5dec3ddf911d7c3b26.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1892
  - - C:\Users\Admin\AppData\Local\Temp\6c30e1.exe
      C:\Users\Admin\AppData\Local\Temp\6c30e1.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:272
  - - C:\Users\Admin\AppData\Local\Temp\6c345a.exe
      C:\Users\Admin\AppData\Local\Temp\6c345a.exe
      4⤵
      Executes dropped EXE
      PID:960
  - - C:\Users\Admin\AppData\Local\Temp\6c5207.exe
      C:\Users\Admin\AppData\Local\Temp\6c5207.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:320

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1316

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1248

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry