sality | 2848230b3fee8839522d26325c2ab483dccc673abcd54ed26034dcafad42b35b

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	e57d486.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	e57d486.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	e57d486.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"	e57d486.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\FirewallOverride = "1"	e57d486.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	e57d486.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e57d486.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	e57d486.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	e57d486.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e57d486.exe

Executes dropped EXE 2 IoCs

pid	Process
1600	e57d486.exe
3824	e58056a.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1600-6-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-8-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-9-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-10-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-11-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-13-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-19-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-24-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-26-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-28-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-29-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-30-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-31-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-32-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-33-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-34-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-48-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-49-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-50-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-53-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-54-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/1600-61-0x0000000000780000-0x000000000183A000-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\FirewallOverride = "1"	e57d486.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	e57d486.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e57d486.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	e57d486.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	e57d486.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	e57d486.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e57d486.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"	e57d486.exe

Enumerates connected drives 3 TTPs 6 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:	e57d486.exe
File opened (read-only)	\??\I:	e57d486.exe
File opened (read-only)	\??\J:	e57d486.exe
File opened (read-only)	\??\K:	e57d486.exe
File opened (read-only)	\??\L:	e57d486.exe
File opened (read-only)	\??\G:	e57d486.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	e57d486.exe
File created	C:\Windows\e57d5fd	e57d486.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1600	e57d486.exe
1600	e57d486.exe
1600	e57d486.exe
1600	e57d486.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe
Token: SeDebugPrivilege	1600	e57d486.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 880	4124	rundll32.exe	86
PID 4124 wrote to memory of 880	4124	rundll32.exe	86
PID 4124 wrote to memory of 880	4124	rundll32.exe	86
PID 880 wrote to memory of 1600	880	rundll32.exe	87
PID 880 wrote to memory of 1600	880	rundll32.exe	87
PID 880 wrote to memory of 1600	880	rundll32.exe	87
PID 1600 wrote to memory of 800	1600	e57d486.exe	7
PID 1600 wrote to memory of 808	1600	e57d486.exe	9
PID 1600 wrote to memory of 60	1600	e57d486.exe	13
PID 1600 wrote to memory of 2392	1600	e57d486.exe	61
PID 1600 wrote to memory of 2436	1600	e57d486.exe	60
PID 1600 wrote to memory of 2508	1600	e57d486.exe	59
PID 1600 wrote to memory of 3304	1600	e57d486.exe	46
PID 1600 wrote to memory of 3540	1600	e57d486.exe	45
PID 1600 wrote to memory of 3704	1600	e57d486.exe	44
PID 1600 wrote to memory of 3792	1600	e57d486.exe	43
PID 1600 wrote to memory of 3904	1600	e57d486.exe	17
PID 1600 wrote to memory of 3992	1600	e57d486.exe	42
PID 1600 wrote to memory of 1996	1600	e57d486.exe	41
PID 1600 wrote to memory of 2192	1600	e57d486.exe	39
PID 1600 wrote to memory of 1184	1600	e57d486.exe	29
PID 1600 wrote to memory of 1480	1600	e57d486.exe	23
PID 1600 wrote to memory of 4004	1600	e57d486.exe	22
PID 1600 wrote to memory of 896	1600	e57d486.exe	21
PID 1600 wrote to memory of 4124	1600	e57d486.exe	30
PID 1600 wrote to memory of 880	1600	e57d486.exe	86
PID 1600 wrote to memory of 880	1600	e57d486.exe	86
PID 1600 wrote to memory of 800	1600	e57d486.exe	7
PID 1600 wrote to memory of 808	1600	e57d486.exe	9
PID 1600 wrote to memory of 60	1600	e57d486.exe	13
PID 1600 wrote to memory of 2392	1600	e57d486.exe	61
PID 1600 wrote to memory of 2436	1600	e57d486.exe	60
PID 1600 wrote to memory of 2508	1600	e57d486.exe	59
PID 1600 wrote to memory of 3304	1600	e57d486.exe	46
PID 1600 wrote to memory of 3540	1600	e57d486.exe	45
PID 1600 wrote to memory of 3704	1600	e57d486.exe	44
PID 1600 wrote to memory of 3792	1600	e57d486.exe	43
PID 1600 wrote to memory of 3904	1600	e57d486.exe	17
PID 1600 wrote to memory of 3992	1600	e57d486.exe	42
PID 1600 wrote to memory of 1996	1600	e57d486.exe	41
PID 1600 wrote to memory of 2192	1600	e57d486.exe	39
PID 1600 wrote to memory of 1184	1600	e57d486.exe	29
PID 1600 wrote to memory of 1480	1600	e57d486.exe	23
PID 1600 wrote to memory of 4004	1600	e57d486.exe	22
PID 1600 wrote to memory of 896	1600	e57d486.exe	21
PID 1600 wrote to memory of 4124	1600	e57d486.exe	30
PID 1600 wrote to memory of 880	1600	e57d486.exe	86
PID 880 wrote to memory of 3824	880	rundll32.exe	88
PID 880 wrote to memory of 3824	880	rundll32.exe	88
PID 880 wrote to memory of 3824	880	rundll32.exe	88
PID 1600 wrote to memory of 880	1600	e57d486.exe	86

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"	e57d486.exe

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:800

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:808

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:60

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3904

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:896

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
1⤵
PID:4004

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
1⤵
PID:1480

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
1⤵
PID:1184

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.497c703002250e05da75df461c3abe10_JC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4124
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.497c703002250e05da75df461c3abe10_JC.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:880
- - C:\Users\Admin\AppData\Local\Temp\e57d486.exe
    C:\Users\Admin\AppData\Local\Temp\e57d486.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:1600
- - C:\Users\Admin\AppData\Local\Temp\e58056a.exe
    C:\Users\Admin\AppData\Local\Temp\e58056a.exe
    3⤵
    - Executes dropped EXE
    PID:3824

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:2192

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:1996

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:3992

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3792

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3704

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3540

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3304

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2508

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2436

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2392

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