sality | dd3ebd0c4faf4fe2be6cbdd956febf647ec83ca11e924e087bf1ef90a62fd3b4

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6c194c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6c194c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6c1556.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6c1556.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6c1556.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6c194c.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"	6c1556.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c194c.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\FirewallOverride = "1"	6c194c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c194c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c1556.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c1556.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c1556.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c194c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c194c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c194c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c1556.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c1556.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c1556.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c194c.exe

Executes dropped EXE 3 IoCs

pid	Process
1188	6c1556.exe
1136	6c194c.exe
1452	6c3831.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1188-61-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1188-70-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1188-82-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1188-84-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1136-86-0x0000000000910000-0x00000000019CA000-memory.dmp	upx
behavioral1/memory/1136-88-0x0000000000910000-0x00000000019CA000-memory.dmp	upx

Loads dropped DLL 6 IoCs

pid	Process
1672	rundll32.exe
1672	rundll32.exe
1672	rundll32.exe
1672	rundll32.exe
1672	rundll32.exe
1672	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\UpdatesDisableNotify = "1"	6c1556.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c1556.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c194c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6c194c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c194c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c1556.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c1556.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6c1556.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c194c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c194c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c194c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c1556.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c1556.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c194c.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"	6c1556.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c194c.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)	\??\H:	6c1556.exe
File opened (read-only)	\??\I:	6c1556.exe
File opened (read-only)	\??\J:	6c1556.exe
File opened (read-only)	\??\K:	6c1556.exe
File opened (read-only)	\??\L:	6c1556.exe
File opened (read-only)	\??\E:	6c1556.exe
File opened (read-only)	\??\F:	6c1556.exe
File opened (read-only)	\??\G:	6c1556.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\6c1814	6c1556.exe
File opened for modification	C:\Windows\SYSTEM.INI	6c1556.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1188	6c1556.exe
1188	6c1556.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe
Token: SeDebugPrivilege	1188	6c1556.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1380 wrote to memory of 1672	1380	rundll32.exe	27
PID 1380 wrote to memory of 1672	1380	rundll32.exe	27
PID 1380 wrote to memory of 1672	1380	rundll32.exe	27
PID 1380 wrote to memory of 1672	1380	rundll32.exe	27
PID 1380 wrote to memory of 1672	1380	rundll32.exe	27
PID 1380 wrote to memory of 1672	1380	rundll32.exe	27
PID 1380 wrote to memory of 1672	1380	rundll32.exe	27
PID 1672 wrote to memory of 1188	1672	rundll32.exe	28
PID 1672 wrote to memory of 1188	1672	rundll32.exe	28
PID 1672 wrote to memory of 1188	1672	rundll32.exe	28
PID 1672 wrote to memory of 1188	1672	rundll32.exe	28
PID 1188 wrote to memory of 1076	1188	6c1556.exe	18
PID 1188 wrote to memory of 1144	1188	6c1556.exe	17
PID 1188 wrote to memory of 1212	1188	6c1556.exe	15
PID 1188 wrote to memory of 1380	1188	6c1556.exe	9
PID 1188 wrote to memory of 1672	1188	6c1556.exe	27
PID 1188 wrote to memory of 1672	1188	6c1556.exe	27
PID 1672 wrote to memory of 1136	1672	rundll32.exe	29
PID 1672 wrote to memory of 1136	1672	rundll32.exe	29
PID 1672 wrote to memory of 1136	1672	rundll32.exe	29
PID 1672 wrote to memory of 1136	1672	rundll32.exe	29
PID 1672 wrote to memory of 1452	1672	rundll32.exe	30
PID 1672 wrote to memory of 1452	1672	rundll32.exe	30
PID 1672 wrote to memory of 1452	1672	rundll32.exe	30
PID 1672 wrote to memory of 1452	1672	rundll32.exe	30
PID 1188 wrote to memory of 1076	1188	6c1556.exe	18
PID 1188 wrote to memory of 1144	1188	6c1556.exe	17
PID 1188 wrote to memory of 1212	1188	6c1556.exe	15
PID 1188 wrote to memory of 1136	1188	6c1556.exe	29
PID 1188 wrote to memory of 1136	1188	6c1556.exe	29
PID 1188 wrote to memory of 1452	1188	6c1556.exe	30
PID 1188 wrote to memory of 1452	1188	6c1556.exe	30

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"	6c1556.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c194c.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd3ebd0c4faf4fe2be6cbdd956febf647ec83ca11e924e087bf1ef90a62fd3b4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1380
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd3ebd0c4faf4fe2be6cbdd956febf647ec83ca11e924e087bf1ef90a62fd3b4.dll,#1
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1672
- - C:\Users\Admin\AppData\Local\Temp\6c1556.exe
    C:\Users\Admin\AppData\Local\Temp\6c1556.exe
    3⤵
    - 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:1188
- - C:\Users\Admin\AppData\Local\Temp\6c194c.exe
    C:\Users\Admin\AppData\Local\Temp\6c194c.exe
    3⤵
    - Modifies firewall policy service
    - UAC bypass
    - Windows security bypass
    - Executes dropped EXE
    - Windows security modification
    - Checks whether UAC is enabled
    - System policy modification
    PID:1136
- - C:\Users\Admin\AppData\Local\Temp\6c3831.exe
    C:\Users\Admin\AppData\Local\Temp\6c3831.exe
    3⤵
    - Executes dropped EXE
    PID:1452

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1144

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1076

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