sality | 601118b584593b8b0e40c71351f9a7e663d1eb7e0985c1c48ca942a403599055

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	ccaf13a5b82a3fff354e5583f6e0a2bf.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"	ccaf13a5b82a3fff354e5583f6e0a2bf.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\UacDisableNotify = "1"	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	ccaf13a5b82a3fff354e5583f6e0a2bf.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4440-9-0x0000000002170000-0x00000000031FE000-memory.dmp	upx
behavioral2/memory/4440-12-0x0000000002170000-0x00000000031FE000-memory.dmp	upx
behavioral2/memory/4440-13-0x0000000002170000-0x00000000031FE000-memory.dmp	upx
behavioral2/memory/4440-14-0x0000000002170000-0x00000000031FE000-memory.dmp	upx
behavioral2/memory/4440-15-0x0000000002170000-0x00000000031FE000-memory.dmp	upx
behavioral2/memory/4440-16-0x0000000002170000-0x00000000031FE000-memory.dmp	upx
behavioral2/memory/4440-20-0x0000000002170000-0x00000000031FE000-memory.dmp	upx
behavioral2/memory/4440-21-0x0000000002170000-0x00000000031FE000-memory.dmp	upx
behavioral2/memory/4440-22-0x0000000002170000-0x00000000031FE000-memory.dmp	upx
behavioral2/memory/4440-23-0x0000000002170000-0x00000000031FE000-memory.dmp	upx
behavioral2/memory/4440-24-0x0000000002170000-0x00000000031FE000-memory.dmp	upx
behavioral2/memory/4440-25-0x0000000002170000-0x00000000031FE000-memory.dmp	upx
behavioral2/memory/4440-26-0x0000000002170000-0x00000000031FE000-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\UacDisableNotify = "1"	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	ccaf13a5b82a3fff354e5583f6e0a2bf.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"	ccaf13a5b82a3fff354e5583f6e0a2bf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3348 set thread context of 4440	3348	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	88

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	ccaf13a5b82a3fff354e5583f6e0a2bf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeDebugPrivilege	3348	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Token: SeDebugPrivilege	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Token: SeDebugPrivilege	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Token: SeDebugPrivilege	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Token: SeDebugPrivilege	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Token: SeDebugPrivilege	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Token: SeDebugPrivilege	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Token: SeDebugPrivilege	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Token: SeDebugPrivilege	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Token: SeDebugPrivilege	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Token: SeDebugPrivilege	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe
Token: SeDebugPrivilege	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 3348 wrote to memory of 4440	3348	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	88
PID 3348 wrote to memory of 4440	3348	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	88
PID 3348 wrote to memory of 4440	3348	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	88
PID 3348 wrote to memory of 4440	3348	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	88
PID 3348 wrote to memory of 4440	3348	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	88
PID 3348 wrote to memory of 4440	3348	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	88
PID 3348 wrote to memory of 4440	3348	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	88
PID 4440 wrote to memory of 764	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	8
PID 4440 wrote to memory of 768	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	9
PID 4440 wrote to memory of 332	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	13
PID 4440 wrote to memory of 2448	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	51
PID 4440 wrote to memory of 3132	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	52
PID 4440 wrote to memory of 3228	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	53
PID 4440 wrote to memory of 3460	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	55
PID 4440 wrote to memory of 3624	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	57
PID 4440 wrote to memory of 3816	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	58
PID 4440 wrote to memory of 3908	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	59
PID 4440 wrote to memory of 3972	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	60
PID 4440 wrote to memory of 4052	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	61
PID 4440 wrote to memory of 4120	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	62
PID 4440 wrote to memory of 5096	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	64
PID 4440 wrote to memory of 1744	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	75
PID 4440 wrote to memory of 4888	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	83
PID 4440 wrote to memory of 2952	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	84
PID 4440 wrote to memory of 3364	4440	ccaf13a5b82a3fff354e5583f6e0a2bf.exe	85

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"	ccaf13a5b82a3fff354e5583f6e0a2bf.exe

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:764

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:768

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:332

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2448

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:3132

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:3228

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3460
- C:\Users\Admin\AppData\Local\Temp\ccaf13a5b82a3fff354e5583f6e0a2bf.exe
  "C:\Users\Admin\AppData\Local\Temp\ccaf13a5b82a3fff354e5583f6e0a2bf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3348
- - C:\Users\Admin\AppData\Local\Temp\ccaf13a5b82a3fff354e5583f6e0a2bf.exe
    "C:\Users\Admin\AppData\Local\Temp\ccaf13a5b82a3fff354e5583f6e0a2bf.exe"
    3⤵
    - Modifies firewall policy service
    - UAC bypass
    - Windows security bypass
    - 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:4440

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3624

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3816

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3908

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3972

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:4052

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4120

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:5096

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:1744

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
1⤵
PID:4888

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
1⤵
PID:2952

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:3364

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