sality | 83d256111924fb7bfc814ea52bf873bfc0b1137d9040bbb7965d6d7c8a8adcaf

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f768fc1.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f768fc1.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f768fc1.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"	f768fc1.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\AntiVirusDisableNotify = "1"	f768fc1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f768fc1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f768fc1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f768fc1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f768fc1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f768fc1.exe

Executes dropped EXE 3 IoCs

pid	Process
2140	f768fc1.exe
2828	f769702.exe
1060	f76aa24.exe

Loads dropped DLL 6 IoCs

pid	Process
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe
3016	rundll32.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2140-12-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-15-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-16-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-21-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-25-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-29-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-38-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-53-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-58-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-59-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-60-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-61-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-62-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-74-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-77-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-79-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-80-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-81-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-83-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-103-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-105-0x0000000000710000-0x00000000017CA000-memory.dmp	upx
behavioral1/memory/2140-139-0x0000000000710000-0x00000000017CA000-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\FirewallDisableNotify = "1"	f768fc1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f768fc1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f768fc1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f768fc1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f768fc1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f768fc1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f768fc1.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"	f768fc1.exe

Enumerates connected drives 3 TTPs 9 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)	\??\E:	f768fc1.exe
File opened (read-only)	\??\H:	f768fc1.exe
File opened (read-only)	\??\J:	f768fc1.exe
File opened (read-only)	\??\M:	f768fc1.exe
File opened (read-only)	\??\N:	f768fc1.exe
File opened (read-only)	\??\G:	f768fc1.exe
File opened (read-only)	\??\I:	f768fc1.exe
File opened (read-only)	\??\K:	f768fc1.exe
File opened (read-only)	\??\L:	f768fc1.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\f769195	f768fc1.exe
File opened for modification	C:\Windows\SYSTEM.INI	f768fc1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2140	f768fc1.exe
2140	f768fc1.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe
Token: SeDebugPrivilege	2140	f768fc1.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 3016	2868	rundll32.exe	28
PID 2868 wrote to memory of 3016	2868	rundll32.exe	28
PID 2868 wrote to memory of 3016	2868	rundll32.exe	28
PID 2868 wrote to memory of 3016	2868	rundll32.exe	28
PID 2868 wrote to memory of 3016	2868	rundll32.exe	28
PID 2868 wrote to memory of 3016	2868	rundll32.exe	28
PID 2868 wrote to memory of 3016	2868	rundll32.exe	28
PID 3016 wrote to memory of 2140	3016	rundll32.exe	29
PID 3016 wrote to memory of 2140	3016	rundll32.exe	29
PID 3016 wrote to memory of 2140	3016	rundll32.exe	29
PID 3016 wrote to memory of 2140	3016	rundll32.exe	29
PID 2140 wrote to memory of 1120	2140	f768fc1.exe	12
PID 2140 wrote to memory of 1184	2140	f768fc1.exe	11
PID 2140 wrote to memory of 1212	2140	f768fc1.exe	5
PID 2140 wrote to memory of 1620	2140	f768fc1.exe	9
PID 2140 wrote to memory of 2868	2140	f768fc1.exe	16
PID 2140 wrote to memory of 3016	2140	f768fc1.exe	28
PID 2140 wrote to memory of 3016	2140	f768fc1.exe	28
PID 3016 wrote to memory of 2828	3016	rundll32.exe	30
PID 3016 wrote to memory of 2828	3016	rundll32.exe	30
PID 3016 wrote to memory of 2828	3016	rundll32.exe	30
PID 3016 wrote to memory of 2828	3016	rundll32.exe	30
PID 3016 wrote to memory of 1060	3016	rundll32.exe	31
PID 3016 wrote to memory of 1060	3016	rundll32.exe	31
PID 3016 wrote to memory of 1060	3016	rundll32.exe	31
PID 3016 wrote to memory of 1060	3016	rundll32.exe	31
PID 2140 wrote to memory of 1120	2140	f768fc1.exe	12
PID 2140 wrote to memory of 1184	2140	f768fc1.exe	11
PID 2140 wrote to memory of 1212	2140	f768fc1.exe	5
PID 2140 wrote to memory of 2828	2140	f768fc1.exe	30
PID 2140 wrote to memory of 2828	2140	f768fc1.exe	30
PID 2140 wrote to memory of 1060	2140	f768fc1.exe	31
PID 2140 wrote to memory of 1060	2140	f768fc1.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"	f768fc1.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.78b3cbd6d4fd9505931154d1e6a92020.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2868
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.78b3cbd6d4fd9505931154d1e6a92020.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3016
  - - C:\Users\Admin\AppData\Local\Temp\f768fc1.exe
      C:\Users\Admin\AppData\Local\Temp\f768fc1.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:2140
  - - C:\Users\Admin\AppData\Local\Temp\f769702.exe
      C:\Users\Admin\AppData\Local\Temp\f769702.exe
      4⤵
      Executes dropped EXE
      PID:2828
  - - C:\Users\Admin\AppData\Local\Temp\f76aa24.exe
      C:\Users\Admin\AppData\Local\Temp\f76aa24.exe
      4⤵
      Executes dropped EXE
      PID:1060

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1184

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

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