sality | d2aada1360a3d9e518d37f51634aa6f7da6f30970e9df386037f1239c9def1b7

Windows Service

T1543.003

Processes:

43f2e21a4b46d5e18a2eae15b3855efb.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	43f2e21a4b46d5e18a2eae15b3855efb.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	43f2e21a4b46d5e18a2eae15b3855efb.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	43f2e21a4b46d5e18a2eae15b3855efb.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

Processes:

43f2e21a4b46d5e18a2eae15b3855efb.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	43f2e21a4b46d5e18a2eae15b3855efb.exe

Windows security bypass 2 TTPs 6 IoCs

Disable or Modify Tools

Modify Registry

Processes:

43f2e21a4b46d5e18a2eae15b3855efb.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	43f2e21a4b46d5e18a2eae15b3855efb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	43f2e21a4b46d5e18a2eae15b3855efb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	43f2e21a4b46d5e18a2eae15b3855efb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	43f2e21a4b46d5e18a2eae15b3855efb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	43f2e21a4b46d5e18a2eae15b3855efb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	43f2e21a4b46d5e18a2eae15b3855efb.exe

UPX packed file 29 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1888-1-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-3-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-7-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-4-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-14-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-19-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-21-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-22-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-23-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-24-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-30-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-31-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-32-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-33-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-34-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-36-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-37-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-38-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-40-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-42-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-47-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-49-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-51-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-55-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-59-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-61-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-63-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-65-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/1888-67-0x00000000006C0000-0x000000000177A000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

Modify Registry

Processes:

43f2e21a4b46d5e18a2eae15b3855efb.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	43f2e21a4b46d5e18a2eae15b3855efb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	43f2e21a4b46d5e18a2eae15b3855efb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	43f2e21a4b46d5e18a2eae15b3855efb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	43f2e21a4b46d5e18a2eae15b3855efb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	43f2e21a4b46d5e18a2eae15b3855efb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	43f2e21a4b46d5e18a2eae15b3855efb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	43f2e21a4b46d5e18a2eae15b3855efb.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

Processes:

43f2e21a4b46d5e18a2eae15b3855efb.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	43f2e21a4b46d5e18a2eae15b3855efb.exe

Enumerates connected drives 3 TTPs 13 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:

43f2e21a4b46d5e18a2eae15b3855efb.exe

description	ioc	process
File opened (read-only)	\??\G:	43f2e21a4b46d5e18a2eae15b3855efb.exe
File opened (read-only)	\??\H:	43f2e21a4b46d5e18a2eae15b3855efb.exe
File opened (read-only)	\??\K:	43f2e21a4b46d5e18a2eae15b3855efb.exe
File opened (read-only)	\??\L:	43f2e21a4b46d5e18a2eae15b3855efb.exe
File opened (read-only)	\??\N:	43f2e21a4b46d5e18a2eae15b3855efb.exe
File opened (read-only)	\??\R:	43f2e21a4b46d5e18a2eae15b3855efb.exe
File opened (read-only)	\??\J:	43f2e21a4b46d5e18a2eae15b3855efb.exe
File opened (read-only)	\??\M:	43f2e21a4b46d5e18a2eae15b3855efb.exe
File opened (read-only)	\??\E:	43f2e21a4b46d5e18a2eae15b3855efb.exe
File opened (read-only)	\??\I:	43f2e21a4b46d5e18a2eae15b3855efb.exe
File opened (read-only)	\??\O:	43f2e21a4b46d5e18a2eae15b3855efb.exe
File opened (read-only)	\??\P:	43f2e21a4b46d5e18a2eae15b3855efb.exe
File opened (read-only)	\??\Q:	43f2e21a4b46d5e18a2eae15b3855efb.exe

Drops file in Windows directory 2 IoCs

Processes:

43f2e21a4b46d5e18a2eae15b3855efb.exe

description	ioc	process
File created	C:\Windows\f7612a6	43f2e21a4b46d5e18a2eae15b3855efb.exe
File opened for modification	C:\Windows\SYSTEM.INI	43f2e21a4b46d5e18a2eae15b3855efb.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

43f2e21a4b46d5e18a2eae15b3855efb.exe

pid process

1888 43f2e21a4b46d5e18a2eae15b3855efb.exe
1888 43f2e21a4b46d5e18a2eae15b3855efb.exe

pid	process
1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
1888	43f2e21a4b46d5e18a2eae15b3855efb.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

Processes:

43f2e21a4b46d5e18a2eae15b3855efb.exe

description	pid	process
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe
Token: SeDebugPrivilege	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

43f2e21a4b46d5e18a2eae15b3855efb.exe

description	pid	process	target process
PID 1888 wrote to memory of 1060	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe	Dwm.exe
PID 1888 wrote to memory of 1088	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe	Explorer.EXE
PID 1888 wrote to memory of 1128	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe	taskhost.exe
PID 1888 wrote to memory of 2336	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe	DllHost.exe
PID 1888 wrote to memory of 1060	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe	Dwm.exe
PID 1888 wrote to memory of 1088	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe	Explorer.EXE
PID 1888 wrote to memory of 1128	1888	43f2e21a4b46d5e18a2eae15b3855efb.exe	taskhost.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

Processes:

43f2e21a4b46d5e18a2eae15b3855efb.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	43f2e21a4b46d5e18a2eae15b3855efb.exe

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1060

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1088

C:\Users\Admin\AppData\Local\Temp\43f2e21a4b46d5e18a2eae15b3855efb.exe
"C:\Users\Admin\AppData\Local\Temp\43f2e21a4b46d5e18a2eae15b3855efb.exe"
2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- 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:1888

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2336

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Modify Registry

5

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

3

T1562

Disable or Modify Tools

3

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

T1012

Peripheral Device Discovery