sality | 028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34

Windows Service

T1543.003

Processes:

028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.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

T1562.001

Modify Registry

Processes:

028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

Windows security bypass 2 TTPs 6 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

UPX packed file 17 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2748-1-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral1/memory/2748-3-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral1/memory/2748-5-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral1/memory/2748-4-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral1/memory/2748-7-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral1/memory/2748-10-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral1/memory/2748-8-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral1/memory/2748-6-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral1/memory/2748-11-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral1/memory/2748-9-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral1/memory/2748-31-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral1/memory/2748-33-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral1/memory/2748-34-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral1/memory/2748-35-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral1/memory/2748-36-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral1/memory/2748-38-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral1/memory/2748-60-0x0000000002210000-0x00000000032CA000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

Processes:

028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

Enumerates connected drives 3 TTPs 1 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

Processes:

028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

description ioc process

File opened (read-only) \??\E: 028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

description ioc process

File opened for modification \??\PhysicalDrive0 028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

description	ioc	process
File opened (read-only)	\??\E:	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

Drops file in Windows directory 2 IoCs

Processes:

028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

description	ioc	process
File created	C:\Windows\f761d22	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
File opened for modification	C:\Windows\SYSTEM.INI	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

pid	process
2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

Processes:

028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

description	pid	process
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
Token: SeDebugPrivilege	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

description	pid	process	target process
PID 2748 wrote to memory of 1084	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe	taskhost.exe
PID 2748 wrote to memory of 1096	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe	Dwm.exe
PID 2748 wrote to memory of 1172	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe	Explorer.EXE
PID 2748 wrote to memory of 1620	2748	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe	DllHost.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

Processes:

028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1084

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1096

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1172

C:\Users\Admin\AppData\Local\Temp\028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe
"C:\Users\Admin\AppData\Local\Temp\028d557d471a67be510421061dc376a5b2f9c3d0015ee9ba1d96e27e72839a34.exe"
2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2748

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Pre-OS Boot

T1542

Bootkit

T1542.003

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

3

T1562

Disable or Modify Tools

Modify Registry

Pre-OS Boot

T1542

Bootkit