sality | 9506eb12e2099544d52dc7bfed76bc685c46c82b571240118aa8a7b1f1b71197

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6c471f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6c471f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6c471f.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"	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c471f.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\UpdatesDisableNotify = "1"	6c471f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c471f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c471f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c471f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c471f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c471f.exe

Executes dropped EXE 3 IoCs

pid	Process
840	6c24a1.exe
596	6c27ad.exe
1940	6c471f.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/840-61-0x0000000000980000-0x0000000001A3A000-memory.dmp	upx
behavioral1/memory/840-69-0x0000000000980000-0x0000000001A3A000-memory.dmp	upx
behavioral1/memory/840-81-0x0000000000980000-0x0000000001A3A000-memory.dmp	upx
behavioral1/memory/840-83-0x0000000000980000-0x0000000001A3A000-memory.dmp	upx
behavioral1/memory/1940-85-0x0000000000940000-0x00000000019FA000-memory.dmp	upx
behavioral1/memory/1940-87-0x0000000000940000-0x00000000019FA000-memory.dmp	upx
behavioral1/memory/1940-90-0x0000000000940000-0x00000000019FA000-memory.dmp	upx

Loads dropped DLL 6 IoCs

pid	Process
1344	rundll32.exe
1344	rundll32.exe
1344	rundll32.exe
1344	rundll32.exe
1344	rundll32.exe
1344	rundll32.exe

Windows security modification 2 TTPs 14 IoCs

Disabling Security Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c471f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c471f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6c471f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c471f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c471f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c471f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c471f.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"	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c471f.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:	6c24a1.exe
File opened (read-only)	\??\L:	6c24a1.exe
File opened (read-only)	\??\E:	6c24a1.exe
File opened (read-only)	\??\F:	6c24a1.exe
File opened (read-only)	\??\G:	6c24a1.exe
File opened (read-only)	\??\H:	6c24a1.exe
File opened (read-only)	\??\I:	6c24a1.exe
File opened (read-only)	\??\J:	6c24a1.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\6c7dc8	6c471f.exe
File created	C:\Windows\6c26e3	6c24a1.exe
File opened for modification	C:\Windows\SYSTEM.INI	6c24a1.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
840	6c24a1.exe
840	6c24a1.exe
1940	6c471f.exe

Suspicious use of AdjustPrivilegeToken 40 IoCs

description	pid	Process
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	840	6c24a1.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe
Token: SeDebugPrivilege	1940	6c471f.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 1344	1204	rundll32.exe	27
PID 1204 wrote to memory of 1344	1204	rundll32.exe	27
PID 1204 wrote to memory of 1344	1204	rundll32.exe	27
PID 1204 wrote to memory of 1344	1204	rundll32.exe	27
PID 1204 wrote to memory of 1344	1204	rundll32.exe	27
PID 1204 wrote to memory of 1344	1204	rundll32.exe	27
PID 1204 wrote to memory of 1344	1204	rundll32.exe	27
PID 1344 wrote to memory of 840	1344	rundll32.exe	28
PID 1344 wrote to memory of 840	1344	rundll32.exe	28
PID 1344 wrote to memory of 840	1344	rundll32.exe	28
PID 1344 wrote to memory of 840	1344	rundll32.exe	28
PID 840 wrote to memory of 1152	840	6c24a1.exe	10
PID 840 wrote to memory of 1232	840	6c24a1.exe	17
PID 840 wrote to memory of 1288	840	6c24a1.exe	16
PID 840 wrote to memory of 1204	840	6c24a1.exe	26
PID 840 wrote to memory of 1344	840	6c24a1.exe	27
PID 840 wrote to memory of 1344	840	6c24a1.exe	27
PID 1344 wrote to memory of 596	1344	rundll32.exe	29
PID 1344 wrote to memory of 596	1344	rundll32.exe	29
PID 1344 wrote to memory of 596	1344	rundll32.exe	29
PID 1344 wrote to memory of 596	1344	rundll32.exe	29
PID 1344 wrote to memory of 1940	1344	rundll32.exe	30
PID 1344 wrote to memory of 1940	1344	rundll32.exe	30
PID 1344 wrote to memory of 1940	1344	rundll32.exe	30
PID 1344 wrote to memory of 1940	1344	rundll32.exe	30
PID 840 wrote to memory of 1152	840	6c24a1.exe	10
PID 840 wrote to memory of 1232	840	6c24a1.exe	17
PID 840 wrote to memory of 1288	840	6c24a1.exe	16
PID 840 wrote to memory of 596	840	6c24a1.exe	29
PID 840 wrote to memory of 596	840	6c24a1.exe	29
PID 840 wrote to memory of 1940	840	6c24a1.exe	30
PID 840 wrote to memory of 1940	840	6c24a1.exe	30
PID 1940 wrote to memory of 1152	1940	6c471f.exe	10
PID 1940 wrote to memory of 1232	1940	6c471f.exe	17
PID 1940 wrote to memory of 1288	1940	6c471f.exe	16

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"	6c24a1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c471f.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1288
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9506eb12e2099544d52dc7bfed76bc685c46c82b571240118aa8a7b1f1b71197.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1204
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\9506eb12e2099544d52dc7bfed76bc685c46c82b571240118aa8a7b1f1b71197.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1344
  - - C:\Users\Admin\AppData\Local\Temp\6c24a1.exe
      C:\Users\Admin\AppData\Local\Temp\6c24a1.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:840
  - - C:\Users\Admin\AppData\Local\Temp\6c27ad.exe
      C:\Users\Admin\AppData\Local\Temp\6c27ad.exe
      4⤵
      Executes dropped EXE
      PID:596
  - - C:\Users\Admin\AppData\Local\Temp\6c471f.exe
      C:\Users\Admin\AppData\Local\Temp\6c471f.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:1940

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1232

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