sality | e9e933ad3317b741b2dd01c809f8deccace002cac9919092b5b9c898550f798f

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f769dd5.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f769dd5.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f769dd5.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"	f769dd5.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"	f769dd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f769dd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f769dd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f769dd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f769dd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f769dd5.exe

Executes dropped EXE 3 IoCs

pid	Process
2312	f769dd5.exe
2592	f76a4d7.exe
1232	f76b339.exe

Loads dropped DLL 6 IoCs

pid	Process
2348	rundll32.exe
2348	rundll32.exe
2348	rundll32.exe
2348	rundll32.exe
2348	rundll32.exe
2348	rundll32.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2312-13-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-15-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-16-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-19-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-22-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-26-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-56-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-60-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-43-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-31-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-61-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-62-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-63-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-64-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-65-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-80-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-81-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-82-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-84-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-86-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2312-146-0x00000000006C0000-0x000000000177A000-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"	f769dd5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f769dd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f769dd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f769dd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f769dd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f769dd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f769dd5.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"	f769dd5.exe

Enumerates connected drives 3 TTPs 12 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)	\??\I:	f769dd5.exe
File opened (read-only)	\??\L:	f769dd5.exe
File opened (read-only)	\??\M:	f769dd5.exe
File opened (read-only)	\??\N:	f769dd5.exe
File opened (read-only)	\??\Q:	f769dd5.exe
File opened (read-only)	\??\E:	f769dd5.exe
File opened (read-only)	\??\G:	f769dd5.exe
File opened (read-only)	\??\H:	f769dd5.exe
File opened (read-only)	\??\P:	f769dd5.exe
File opened (read-only)	\??\J:	f769dd5.exe
File opened (read-only)	\??\K:	f769dd5.exe
File opened (read-only)	\??\O:	f769dd5.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\f769eaf	f769dd5.exe
File opened for modification	C:\Windows\SYSTEM.INI	f769dd5.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2312	f769dd5.exe
2312	f769dd5.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe
Token: SeDebugPrivilege	2312	f769dd5.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2348	2184	rundll32.exe	19
PID 2184 wrote to memory of 2348	2184	rundll32.exe	19
PID 2184 wrote to memory of 2348	2184	rundll32.exe	19
PID 2184 wrote to memory of 2348	2184	rundll32.exe	19
PID 2184 wrote to memory of 2348	2184	rundll32.exe	19
PID 2184 wrote to memory of 2348	2184	rundll32.exe	19
PID 2184 wrote to memory of 2348	2184	rundll32.exe	19
PID 2348 wrote to memory of 2312	2348	rundll32.exe	29
PID 2348 wrote to memory of 2312	2348	rundll32.exe	29
PID 2348 wrote to memory of 2312	2348	rundll32.exe	29
PID 2348 wrote to memory of 2312	2348	rundll32.exe	29
PID 2312 wrote to memory of 1136	2312	f769dd5.exe	10
PID 2312 wrote to memory of 1192	2312	f769dd5.exe	9
PID 2312 wrote to memory of 1272	2312	f769dd5.exe	8
PID 2312 wrote to memory of 1724	2312	f769dd5.exe	6
PID 2312 wrote to memory of 2184	2312	f769dd5.exe	4
PID 2312 wrote to memory of 2348	2312	f769dd5.exe	19
PID 2312 wrote to memory of 2348	2312	f769dd5.exe	19
PID 2348 wrote to memory of 2592	2348	rundll32.exe	30
PID 2348 wrote to memory of 2592	2348	rundll32.exe	30
PID 2348 wrote to memory of 2592	2348	rundll32.exe	30
PID 2348 wrote to memory of 2592	2348	rundll32.exe	30
PID 2348 wrote to memory of 1232	2348	rundll32.exe	31
PID 2348 wrote to memory of 1232	2348	rundll32.exe	31
PID 2348 wrote to memory of 1232	2348	rundll32.exe	31
PID 2348 wrote to memory of 1232	2348	rundll32.exe	31
PID 2312 wrote to memory of 1136	2312	f769dd5.exe	10
PID 2312 wrote to memory of 1192	2312	f769dd5.exe	9
PID 2312 wrote to memory of 1272	2312	f769dd5.exe	8
PID 2312 wrote to memory of 2592	2312	f769dd5.exe	30
PID 2312 wrote to memory of 2592	2312	f769dd5.exe	30
PID 2312 wrote to memory of 1232	2312	f769dd5.exe	31
PID 2312 wrote to memory of 1232	2312	f769dd5.exe	31

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"	f769dd5.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.6220be38a1004c55bd70c69ad5e88e20.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.6220be38a1004c55bd70c69ad5e88e20.dll,#1
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Users\Admin\AppData\Local\Temp\f769dd5.exe
    C:\Users\Admin\AppData\Local\Temp\f769dd5.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:2312
- - C:\Users\Admin\AppData\Local\Temp\f76a4d7.exe
    C:\Users\Admin\AppData\Local\Temp\f76a4d7.exe
    3⤵
    - Executes dropped EXE
    PID:2592
- - C:\Users\Admin\AppData\Local\Temp\f76b339.exe
    C:\Users\Admin\AppData\Local\Temp\f76b339.exe
    3⤵
    - Executes dropped EXE
    PID:1232

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1724

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1272

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1192

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1136

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