sality | 6bfba7218643035346ae2a325fb285991834ad23fae33848dcdf0155b50b855c

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f769a5c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f769a5c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f769a5c.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"	f769a5c.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"	f769a5c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f769a5c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f769a5c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f769a5c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f769a5c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f769a5c.exe

Executes dropped EXE 3 IoCs

pid	Process
2036	f769a5c.exe
2888	f76a17d.exe
2532	f76b3a6.exe

Loads dropped DLL 6 IoCs

pid	Process
2268	rundll32.exe
2268	rundll32.exe
2268	rundll32.exe
2268	rundll32.exe
2268	rundll32.exe
2268	rundll32.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2036-13-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-15-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-16-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-19-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-24-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-28-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-34-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-47-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-54-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-61-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-62-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-63-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-64-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-78-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-80-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-82-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-83-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-84-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-87-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2036-109-0x0000000000520000-0x00000000015DA000-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\UpdatesDisableNotify = "1"	f769a5c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f769a5c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f769a5c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f769a5c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f769a5c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f769a5c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f769a5c.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"	f769a5c.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)	\??\G:	f769a5c.exe
File opened (read-only)	\??\L:	f769a5c.exe
File opened (read-only)	\??\M:	f769a5c.exe
File opened (read-only)	\??\N:	f769a5c.exe
File opened (read-only)	\??\E:	f769a5c.exe
File opened (read-only)	\??\H:	f769a5c.exe
File opened (read-only)	\??\I:	f769a5c.exe
File opened (read-only)	\??\J:	f769a5c.exe
File opened (read-only)	\??\K:	f769a5c.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\f769c01	f769a5c.exe
File opened for modification	C:\Windows\SYSTEM.INI	f769a5c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2036	f769a5c.exe
2036	f769a5c.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe
Token: SeDebugPrivilege	2036	f769a5c.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 2268	2456	rundll32.exe	28
PID 2456 wrote to memory of 2268	2456	rundll32.exe	28
PID 2456 wrote to memory of 2268	2456	rundll32.exe	28
PID 2456 wrote to memory of 2268	2456	rundll32.exe	28
PID 2456 wrote to memory of 2268	2456	rundll32.exe	28
PID 2456 wrote to memory of 2268	2456	rundll32.exe	28
PID 2456 wrote to memory of 2268	2456	rundll32.exe	28
PID 2268 wrote to memory of 2036	2268	rundll32.exe	29
PID 2268 wrote to memory of 2036	2268	rundll32.exe	29
PID 2268 wrote to memory of 2036	2268	rundll32.exe	29
PID 2268 wrote to memory of 2036	2268	rundll32.exe	29
PID 2036 wrote to memory of 1120	2036	f769a5c.exe	16
PID 2036 wrote to memory of 1172	2036	f769a5c.exe	14
PID 2036 wrote to memory of 1200	2036	f769a5c.exe	15
PID 2036 wrote to memory of 1832	2036	f769a5c.exe	22
PID 2036 wrote to memory of 2456	2036	f769a5c.exe	27
PID 2036 wrote to memory of 2268	2036	f769a5c.exe	28
PID 2036 wrote to memory of 2268	2036	f769a5c.exe	28
PID 2268 wrote to memory of 2888	2268	rundll32.exe	30
PID 2268 wrote to memory of 2888	2268	rundll32.exe	30
PID 2268 wrote to memory of 2888	2268	rundll32.exe	30
PID 2268 wrote to memory of 2888	2268	rundll32.exe	30
PID 2268 wrote to memory of 2532	2268	rundll32.exe	31
PID 2268 wrote to memory of 2532	2268	rundll32.exe	31
PID 2268 wrote to memory of 2532	2268	rundll32.exe	31
PID 2268 wrote to memory of 2532	2268	rundll32.exe	31
PID 2036 wrote to memory of 1120	2036	f769a5c.exe	16
PID 2036 wrote to memory of 1172	2036	f769a5c.exe	14
PID 2036 wrote to memory of 1200	2036	f769a5c.exe	15
PID 2036 wrote to memory of 2888	2036	f769a5c.exe	30
PID 2036 wrote to memory of 2888	2036	f769a5c.exe	30
PID 2036 wrote to memory of 2532	2036	f769a5c.exe	31
PID 2036 wrote to memory of 2532	2036	f769a5c.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"	f769a5c.exe

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.2f8f1a7d2d83e031e1b653a62a202e40.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.2f8f1a7d2d83e031e1b653a62a202e40.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2268
  - - C:\Users\Admin\AppData\Local\Temp\f769a5c.exe
      C:\Users\Admin\AppData\Local\Temp\f769a5c.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:2036
  - - C:\Users\Admin\AppData\Local\Temp\f76a17d.exe
      C:\Users\Admin\AppData\Local\Temp\f76a17d.exe
      4⤵
      Executes dropped EXE
      PID:2888
  - - C:\Users\Admin\AppData\Local\Temp\f76b3a6.exe
      C:\Users\Admin\AppData\Local\Temp\f76b3a6.exe
      4⤵
      Executes dropped EXE
      PID:2532

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

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1832

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