sality | b23e8b82fc82399c8aa50a86f8f592fa689ad3841dcc80a49b01e35bb3caea79

Windows Service

T1543.003

Processes:

f761af0.exef76390a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f761af0.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f761af0.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f761af0.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f76390a.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f76390a.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f76390a.exe

Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality

UAC bypass 3 TTPs 2 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

f761af0.exef76390a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761af0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76390a.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

f761af0.exef76390a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761af0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761af0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76390a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76390a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76390a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761af0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761af0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761af0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761af0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76390a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76390a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76390a.exe

Executes dropped EXE 3 IoCs

Processes:

f761af0.exef761ca5.exef76390a.exe

pid process

1932 f761af0.exe
2204 f761ca5.exe
804 f76390a.exe
Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

1444 rundll32.exe
1444 rundll32.exe
1444 rundll32.exe
1444 rundll32.exe
1444 rundll32.exe
1444 rundll32.exe

pid	process
1932	f761af0.exe
2204	f761ca5.exe
804	f76390a.exe

pid	process
1444	rundll32.exe
1444	rundll32.exe
1444	rundll32.exe
1444	rundll32.exe
1444	rundll32.exe
1444	rundll32.exe

UPX packed file 23 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1932-17-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-19-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-14-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-16-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-23-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-21-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-22-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-20-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-18-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-15-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-62-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-63-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-65-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-66-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-67-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-70-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-71-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-84-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-85-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-131-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/1932-157-0x0000000000700000-0x00000000017BA000-memory.dmp	upx
behavioral1/memory/804-171-0x0000000000A60000-0x0000000001B1A000-memory.dmp	upx
behavioral1/memory/804-214-0x0000000000A60000-0x0000000001B1A000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

f761af0.exef76390a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761af0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761af0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f761af0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76390a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76390a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761af0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761af0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76390a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f76390a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761af0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76390a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761af0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76390a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76390a.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

f761af0.exef76390a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761af0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76390a.exe

Enumerates connected drives 3 TTPs 17 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:

f761af0.exef76390a.exe

description	ioc	process
File opened (read-only)	\??\J:	f761af0.exe
File opened (read-only)	\??\P:	f761af0.exe
File opened (read-only)	\??\Q:	f761af0.exe
File opened (read-only)	\??\T:	f761af0.exe
File opened (read-only)	\??\H:	f76390a.exe
File opened (read-only)	\??\H:	f761af0.exe
File opened (read-only)	\??\M:	f761af0.exe
File opened (read-only)	\??\R:	f761af0.exe
File opened (read-only)	\??\E:	f76390a.exe
File opened (read-only)	\??\G:	f76390a.exe
File opened (read-only)	\??\L:	f761af0.exe
File opened (read-only)	\??\O:	f761af0.exe
File opened (read-only)	\??\S:	f761af0.exe
File opened (read-only)	\??\G:	f761af0.exe
File opened (read-only)	\??\I:	f761af0.exe
File opened (read-only)	\??\K:	f761af0.exe
File opened (read-only)	\??\N:	f761af0.exe

Drops file in Windows directory 3 IoCs

Processes:

f761af0.exef76390a.exe

description	ioc	process
File created	C:\Windows\f761b4e	f761af0.exe
File opened for modification	C:\Windows\SYSTEM.INI	f761af0.exe
File created	C:\Windows\f766b51	f76390a.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f761af0.exef76390a.exe

pid process

1932 f761af0.exe
1932 f761af0.exe
804 f76390a.exe

pid	process
1932	f761af0.exe
1932	f761af0.exe
804	f76390a.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

Processes:

f761af0.exef76390a.exe

description	pid	process
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	1932	f761af0.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe
Token: SeDebugPrivilege	804	f76390a.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

rundll32.exerundll32.exef761af0.exef76390a.exe

description	pid	process	target process
PID 3044 wrote to memory of 1444	3044	rundll32.exe	rundll32.exe
PID 3044 wrote to memory of 1444	3044	rundll32.exe	rundll32.exe
PID 3044 wrote to memory of 1444	3044	rundll32.exe	rundll32.exe
PID 3044 wrote to memory of 1444	3044	rundll32.exe	rundll32.exe
PID 3044 wrote to memory of 1444	3044	rundll32.exe	rundll32.exe
PID 3044 wrote to memory of 1444	3044	rundll32.exe	rundll32.exe
PID 3044 wrote to memory of 1444	3044	rundll32.exe	rundll32.exe
PID 1444 wrote to memory of 1932	1444	rundll32.exe	f761af0.exe
PID 1444 wrote to memory of 1932	1444	rundll32.exe	f761af0.exe
PID 1444 wrote to memory of 1932	1444	rundll32.exe	f761af0.exe
PID 1444 wrote to memory of 1932	1444	rundll32.exe	f761af0.exe
PID 1932 wrote to memory of 1104	1932	f761af0.exe	taskhost.exe
PID 1932 wrote to memory of 1152	1932	f761af0.exe	Dwm.exe
PID 1932 wrote to memory of 1188	1932	f761af0.exe	Explorer.EXE
PID 1932 wrote to memory of 1500	1932	f761af0.exe	DllHost.exe
PID 1932 wrote to memory of 3044	1932	f761af0.exe	rundll32.exe
PID 1932 wrote to memory of 1444	1932	f761af0.exe	rundll32.exe
PID 1932 wrote to memory of 1444	1932	f761af0.exe	rundll32.exe
PID 1444 wrote to memory of 2204	1444	rundll32.exe	f761ca5.exe
PID 1444 wrote to memory of 2204	1444	rundll32.exe	f761ca5.exe
PID 1444 wrote to memory of 2204	1444	rundll32.exe	f761ca5.exe
PID 1444 wrote to memory of 2204	1444	rundll32.exe	f761ca5.exe
PID 1444 wrote to memory of 804	1444	rundll32.exe	f76390a.exe
PID 1444 wrote to memory of 804	1444	rundll32.exe	f76390a.exe
PID 1444 wrote to memory of 804	1444	rundll32.exe	f76390a.exe
PID 1444 wrote to memory of 804	1444	rundll32.exe	f76390a.exe
PID 1932 wrote to memory of 1104	1932	f761af0.exe	taskhost.exe
PID 1932 wrote to memory of 1152	1932	f761af0.exe	Dwm.exe
PID 1932 wrote to memory of 1188	1932	f761af0.exe	Explorer.EXE
PID 1932 wrote to memory of 2204	1932	f761af0.exe	f761ca5.exe
PID 1932 wrote to memory of 2204	1932	f761af0.exe	f761ca5.exe
PID 1932 wrote to memory of 804	1932	f761af0.exe	f76390a.exe
PID 1932 wrote to memory of 804	1932	f761af0.exe	f76390a.exe
PID 804 wrote to memory of 1104	804	f76390a.exe	taskhost.exe
PID 804 wrote to memory of 1152	804	f76390a.exe	Dwm.exe
PID 804 wrote to memory of 1188	804	f76390a.exe	Explorer.EXE

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

f761af0.exef76390a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761af0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76390a.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\05e18159486bf037d3b28317a7268710.exe.bin.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:3044

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\05e18159486bf037d3b28317a7268710.exe.bin.dll,#1
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1444

C:\Users\Admin\AppData\Local\Temp\f761af0.exe
C:\Users\Admin\AppData\Local\Temp\f761af0.exe
4⤵
- 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:1932

C:\Users\Admin\AppData\Local\Temp\f761ca5.exe
C:\Users\Admin\AppData\Local\Temp\f761ca5.exe
4⤵
- Executes dropped EXE
PID:2204

C:\Users\Admin\AppData\Local\Temp\f76390a.exe
C:\Users\Admin\AppData\Local\Temp\f76390a.exe
4⤵
- 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:804

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1500

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