sality | 162378b57cb5ffc29a00120725e8793f07a93f506783151e21e94b65647d13ba

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f7643b4.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f76582e.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f76582e.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f76582e.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f7643b4.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f7643b4.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

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7643b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76582e.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7643b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7643b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7643b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7643b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7643b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7643b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76582e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76582e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76582e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76582e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76582e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76582e.exe

Executes dropped EXE 3 IoCs

pid	Process
1260	f7643b4.exe
2744	f764c2d.exe
1372	f76582e.exe

Loads dropped DLL 6 IoCs

pid	Process
2184	rundll32.exe
2184	rundll32.exe
2184	rundll32.exe
2184	rundll32.exe
2184	rundll32.exe
2184	rundll32.exe

UPX packed file 25 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1260-13-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-12-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-15-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-16-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-20-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-24-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-33-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-49-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-53-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-60-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-27-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-61-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-62-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-72-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-78-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-79-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-81-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-82-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-84-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-86-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-105-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-107-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1260-140-0x0000000000620000-0x00000000016DA000-memory.dmp	upx
behavioral1/memory/1372-144-0x0000000000910000-0x00000000019CA000-memory.dmp	upx
behavioral1/memory/1372-177-0x0000000000910000-0x00000000019CA000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76582e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7643b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7643b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7643b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76582e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7643b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76582e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76582e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76582e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7643b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7643b4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f76582e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f7643b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76582e.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7643b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76582e.exe

Enumerates connected drives 3 TTPs 10 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:	f7643b4.exe
File opened (read-only)	\??\H:	f7643b4.exe
File opened (read-only)	\??\I:	f7643b4.exe
File opened (read-only)	\??\J:	f7643b4.exe
File opened (read-only)	\??\N:	f7643b4.exe
File opened (read-only)	\??\E:	f7643b4.exe
File opened (read-only)	\??\K:	f7643b4.exe
File opened (read-only)	\??\L:	f7643b4.exe
File opened (read-only)	\??\M:	f7643b4.exe
File opened (read-only)	\??\O:	f7643b4.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\f769f3c	f76582e.exe
File created	C:\Windows\f7645d6	f7643b4.exe
File opened for modification	C:\Windows\SYSTEM.INI	f7643b4.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1260	f7643b4.exe
1260	f7643b4.exe
1372	f76582e.exe

Suspicious use of AdjustPrivilegeToken 39 IoCs

description	pid	Process
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1260	f7643b4.exe
Token: SeDebugPrivilege	1372	f76582e.exe
Token: SeDebugPrivilege	1372	f76582e.exe
Token: SeDebugPrivilege	1372	f76582e.exe
Token: SeDebugPrivilege	1372	f76582e.exe
Token: SeDebugPrivilege	1372	f76582e.exe
Token: SeDebugPrivilege	1372	f76582e.exe
Token: SeDebugPrivilege	1372	f76582e.exe
Token: SeDebugPrivilege	1372	f76582e.exe
Token: SeDebugPrivilege	1372	f76582e.exe
Token: SeDebugPrivilege	1372	f76582e.exe
Token: SeDebugPrivilege	1372	f76582e.exe
Token: SeDebugPrivilege	1372	f76582e.exe
Token: SeDebugPrivilege	1372	f76582e.exe
Token: SeDebugPrivilege	1372	f76582e.exe
Token: SeDebugPrivilege	1372	f76582e.exe
Token: SeDebugPrivilege	1372	f76582e.exe
Token: SeDebugPrivilege	1372	f76582e.exe
Token: SeDebugPrivilege	1372	f76582e.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1208 wrote to memory of 2184	1208	rundll32.exe	28
PID 1208 wrote to memory of 2184	1208	rundll32.exe	28
PID 1208 wrote to memory of 2184	1208	rundll32.exe	28
PID 1208 wrote to memory of 2184	1208	rundll32.exe	28
PID 1208 wrote to memory of 2184	1208	rundll32.exe	28
PID 1208 wrote to memory of 2184	1208	rundll32.exe	28
PID 1208 wrote to memory of 2184	1208	rundll32.exe	28
PID 2184 wrote to memory of 1260	2184	rundll32.exe	29
PID 2184 wrote to memory of 1260	2184	rundll32.exe	29
PID 2184 wrote to memory of 1260	2184	rundll32.exe	29
PID 2184 wrote to memory of 1260	2184	rundll32.exe	29
PID 1260 wrote to memory of 1112	1260	f7643b4.exe	12
PID 1260 wrote to memory of 1172	1260	f7643b4.exe	16
PID 1260 wrote to memory of 1252	1260	f7643b4.exe	15
PID 1260 wrote to memory of 1196	1260	f7643b4.exe	23
PID 1260 wrote to memory of 1208	1260	f7643b4.exe	27
PID 1260 wrote to memory of 2184	1260	f7643b4.exe	28
PID 1260 wrote to memory of 2184	1260	f7643b4.exe	28
PID 2184 wrote to memory of 2744	2184	rundll32.exe	30
PID 2184 wrote to memory of 2744	2184	rundll32.exe	30
PID 2184 wrote to memory of 2744	2184	rundll32.exe	30
PID 2184 wrote to memory of 2744	2184	rundll32.exe	30
PID 2184 wrote to memory of 1372	2184	rundll32.exe	31
PID 2184 wrote to memory of 1372	2184	rundll32.exe	31
PID 2184 wrote to memory of 1372	2184	rundll32.exe	31
PID 2184 wrote to memory of 1372	2184	rundll32.exe	31
PID 1260 wrote to memory of 1112	1260	f7643b4.exe	12
PID 1260 wrote to memory of 1172	1260	f7643b4.exe	16
PID 1260 wrote to memory of 1252	1260	f7643b4.exe	15
PID 1260 wrote to memory of 2744	1260	f7643b4.exe	30
PID 1260 wrote to memory of 2744	1260	f7643b4.exe	30
PID 1260 wrote to memory of 1372	1260	f7643b4.exe	31
PID 1260 wrote to memory of 1372	1260	f7643b4.exe	31
PID 1372 wrote to memory of 1112	1372	f76582e.exe	12

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7643b4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f76582e.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1252
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.a28a054ef02fad5162ebe58599860d30.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1208
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.a28a054ef02fad5162ebe58599860d30.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2184
  - - C:\Users\Admin\AppData\Local\Temp\f7643b4.exe
      C:\Users\Admin\AppData\Local\Temp\f7643b4.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:1260
  - - C:\Users\Admin\AppData\Local\Temp\f764c2d.exe
      C:\Users\Admin\AppData\Local\Temp\f764c2d.exe
      4⤵
      Executes dropped EXE
      PID:2744
  - - C:\Users\Admin\AppData\Local\Temp\f76582e.exe
      C:\Users\Admin\AppData\Local\Temp\f76582e.exe
      4⤵
      Modifies firewall policy service
      UAC bypass
      Windows security bypass
      Executes dropped EXE
      Windows security modification
      Checks whether UAC is enabled
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:1372

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

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1196

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