sality | 3794c9a144438665c36ec308d761e92fbc220ae7b8e25c0d18de752b2d010a9f

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f7681cd.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f769d87.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f769d87.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f769d87.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f7681cd.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f7681cd.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"	f7681cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f769d87.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\AntiVirusDisableNotify = "1"	f7681cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7681cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f769d87.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7681cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7681cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7681cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f769d87.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f769d87.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f769d87.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f769d87.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f769d87.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7681cd.exe

Executes dropped EXE 3 IoCs

pid	Process
2408	f7681cd.exe
2644	f768353.exe
2788	f769d87.exe

Loads dropped DLL 6 IoCs

pid	Process
1716	rundll32.exe
1716	rundll32.exe
1716	rundll32.exe
1716	rundll32.exe
1716	rundll32.exe
1716	rundll32.exe

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2408-20-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-23-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-19-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-22-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-21-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-18-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-26-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-17-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-24-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-25-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-67-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-68-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-69-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-71-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-70-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-73-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-74-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-88-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-90-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-92-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2408-160-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2788-167-0x0000000000930000-0x00000000019EA000-memory.dmp	upx
behavioral1/memory/2788-213-0x0000000000930000-0x00000000019EA000-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\AntiVirusDisableNotify = "1"	f7681cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f769d87.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f769d87.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7681cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7681cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7681cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f769d87.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f769d87.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7681cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7681cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f769d87.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f769d87.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f7681cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f769d87.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"	f769d87.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7681cd.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

description	ioc	Process
File opened (read-only)	\??\K:	f7681cd.exe
File opened (read-only)	\??\L:	f7681cd.exe
File opened (read-only)	\??\M:	f7681cd.exe
File opened (read-only)	\??\O:	f7681cd.exe
File opened (read-only)	\??\Q:	f7681cd.exe
File opened (read-only)	\??\E:	f7681cd.exe
File opened (read-only)	\??\G:	f7681cd.exe
File opened (read-only)	\??\H:	f7681cd.exe
File opened (read-only)	\??\R:	f7681cd.exe
File opened (read-only)	\??\G:	f769d87.exe
File opened (read-only)	\??\T:	f7681cd.exe
File opened (read-only)	\??\N:	f7681cd.exe
File opened (read-only)	\??\P:	f7681cd.exe
File opened (read-only)	\??\S:	f7681cd.exe
File opened (read-only)	\??\I:	f7681cd.exe
File opened (read-only)	\??\J:	f7681cd.exe
File opened (read-only)	\??\E:	f769d87.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\f76821b	f7681cd.exe
File opened for modification	C:\Windows\SYSTEM.INI	f7681cd.exe
File created	C:\Windows\f76d21e	f769d87.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f7681cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f769d87.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2408	f7681cd.exe
2408	f7681cd.exe
2788	f769d87.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2408	f7681cd.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe
Token: SeDebugPrivilege	2788	f769d87.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 1716	1744	rundll32.exe	30
PID 1744 wrote to memory of 1716	1744	rundll32.exe	30
PID 1744 wrote to memory of 1716	1744	rundll32.exe	30
PID 1744 wrote to memory of 1716	1744	rundll32.exe	30
PID 1744 wrote to memory of 1716	1744	rundll32.exe	30
PID 1744 wrote to memory of 1716	1744	rundll32.exe	30
PID 1744 wrote to memory of 1716	1744	rundll32.exe	30
PID 1716 wrote to memory of 2408	1716	rundll32.exe	31
PID 1716 wrote to memory of 2408	1716	rundll32.exe	31
PID 1716 wrote to memory of 2408	1716	rundll32.exe	31
PID 1716 wrote to memory of 2408	1716	rundll32.exe	31
PID 2408 wrote to memory of 1080	2408	f7681cd.exe	18
PID 2408 wrote to memory of 1152	2408	f7681cd.exe	20
PID 2408 wrote to memory of 1176	2408	f7681cd.exe	21
PID 2408 wrote to memory of 1692	2408	f7681cd.exe	25
PID 2408 wrote to memory of 1744	2408	f7681cd.exe	29
PID 2408 wrote to memory of 1716	2408	f7681cd.exe	30
PID 2408 wrote to memory of 1716	2408	f7681cd.exe	30
PID 1716 wrote to memory of 2644	1716	rundll32.exe	32
PID 1716 wrote to memory of 2644	1716	rundll32.exe	32
PID 1716 wrote to memory of 2644	1716	rundll32.exe	32
PID 1716 wrote to memory of 2644	1716	rundll32.exe	32
PID 1716 wrote to memory of 2788	1716	rundll32.exe	33
PID 1716 wrote to memory of 2788	1716	rundll32.exe	33
PID 1716 wrote to memory of 2788	1716	rundll32.exe	33
PID 1716 wrote to memory of 2788	1716	rundll32.exe	33
PID 2408 wrote to memory of 1080	2408	f7681cd.exe	18
PID 2408 wrote to memory of 1152	2408	f7681cd.exe	20
PID 2408 wrote to memory of 1176	2408	f7681cd.exe	21
PID 2408 wrote to memory of 1692	2408	f7681cd.exe	25
PID 2408 wrote to memory of 2644	2408	f7681cd.exe	32
PID 2408 wrote to memory of 2644	2408	f7681cd.exe	32
PID 2408 wrote to memory of 2788	2408	f7681cd.exe	33
PID 2408 wrote to memory of 2788	2408	f7681cd.exe	33
PID 2788 wrote to memory of 1080	2788	f769d87.exe	18
PID 2788 wrote to memory of 1152	2788	f769d87.exe	20
PID 2788 wrote to memory of 1176	2788	f769d87.exe	21
PID 2788 wrote to memory of 1692	2788	f769d87.exe	25

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"	f7681cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f769d87.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1080

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1176
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\17f8cedaa21326e9552075f459037fd0N.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\17f8cedaa21326e9552075f459037fd0N.dll,#1
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1716
  - - C:\Users\Admin\AppData\Local\Temp\f7681cd.exe
      C:\Users\Admin\AppData\Local\Temp\f7681cd.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
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:2408
  - - C:\Users\Admin\AppData\Local\Temp\f768353.exe
      C:\Users\Admin\AppData\Local\Temp\f768353.exe
      4⤵
      Executes dropped EXE
      PID:2644
  - - C:\Users\Admin\AppData\Local\Temp\f769d87.exe
      C:\Users\Admin\AppData\Local\Temp\f769d87.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
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:2788

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1692

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 System Firewall

T1562.004

Disable or Modify Tools

Modify Registry