sality | 1a30cddaee9769a65035e903875cd3a027bb51fbc5966d84caa58ad34cc74847

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\DoNotAllowExceptions = "0"	f7723b6.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f7723b6.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f7721a4.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f7721a4.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f7721a4.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f7723b6.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"	f7721a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7723b6.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\FirewallDisableNotify = "1"	f7721a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7721a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7721a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7723b6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7723b6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7721a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7721a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7721a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7723b6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7723b6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7723b6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7723b6.exe

Executes dropped EXE 3 IoCs

pid	Process
3036	f7721a4.exe
2764	f7723b6.exe
2544	f773c84.exe

Loads dropped DLL 6 IoCs

pid	Process
2964	rundll32.exe
2964	rundll32.exe
2964	rundll32.exe
2964	rundll32.exe
2964	rundll32.exe
2964	rundll32.exe

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3036-12-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-40-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-18-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-15-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-39-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-38-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-19-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-17-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-16-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-14-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-41-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-62-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-63-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-64-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-66-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-65-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-68-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-82-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-84-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-86-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-87-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/3036-151-0x0000000000650000-0x000000000170A000-memory.dmp	upx
behavioral1/memory/2764-166-0x0000000000920000-0x00000000019DA000-memory.dmp	upx
behavioral1/memory/2764-171-0x0000000000920000-0x00000000019DA000-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\AntiVirusOverride = "1"	f7723b6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7723b6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7723b6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7723b6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f7721a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7723b6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f7721a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f7721a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f7721a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f7721a4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f7721a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7723b6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f7723b6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f7721a4.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"	f7723b6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7721a4.exe

Enumerates connected drives 3 TTPs 14 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:	f7721a4.exe
File opened (read-only)	\??\H:	f7721a4.exe
File opened (read-only)	\??\Q:	f7721a4.exe
File opened (read-only)	\??\G:	f7721a4.exe
File opened (read-only)	\??\L:	f7721a4.exe
File opened (read-only)	\??\P:	f7721a4.exe
File opened (read-only)	\??\S:	f7721a4.exe
File opened (read-only)	\??\J:	f7721a4.exe
File opened (read-only)	\??\K:	f7721a4.exe
File opened (read-only)	\??\M:	f7721a4.exe
File opened (read-only)	\??\N:	f7721a4.exe
File opened (read-only)	\??\R:	f7721a4.exe
File opened (read-only)	\??\I:	f7721a4.exe
File opened (read-only)	\??\O:	f7721a4.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\f77226f	f7721a4.exe
File opened for modification	C:\Windows\SYSTEM.INI	f7721a4.exe
File created	C:\Windows\f777291	f7723b6.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3036	f7721a4.exe
3036	f7721a4.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe
Token: SeDebugPrivilege	3036	f7721a4.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2964	2256	rundll32.exe	30
PID 2256 wrote to memory of 2964	2256	rundll32.exe	30
PID 2256 wrote to memory of 2964	2256	rundll32.exe	30
PID 2256 wrote to memory of 2964	2256	rundll32.exe	30
PID 2256 wrote to memory of 2964	2256	rundll32.exe	30
PID 2256 wrote to memory of 2964	2256	rundll32.exe	30
PID 2256 wrote to memory of 2964	2256	rundll32.exe	30
PID 2964 wrote to memory of 3036	2964	rundll32.exe	31
PID 2964 wrote to memory of 3036	2964	rundll32.exe	31
PID 2964 wrote to memory of 3036	2964	rundll32.exe	31
PID 2964 wrote to memory of 3036	2964	rundll32.exe	31
PID 3036 wrote to memory of 1096	3036	f7721a4.exe	19
PID 3036 wrote to memory of 1160	3036	f7721a4.exe	20
PID 3036 wrote to memory of 1196	3036	f7721a4.exe	21
PID 3036 wrote to memory of 1268	3036	f7721a4.exe	23
PID 3036 wrote to memory of 2256	3036	f7721a4.exe	29
PID 3036 wrote to memory of 2964	3036	f7721a4.exe	30
PID 3036 wrote to memory of 2964	3036	f7721a4.exe	30
PID 2964 wrote to memory of 2764	2964	rundll32.exe	32
PID 2964 wrote to memory of 2764	2964	rundll32.exe	32
PID 2964 wrote to memory of 2764	2964	rundll32.exe	32
PID 2964 wrote to memory of 2764	2964	rundll32.exe	32
PID 2964 wrote to memory of 2544	2964	rundll32.exe	33
PID 2964 wrote to memory of 2544	2964	rundll32.exe	33
PID 2964 wrote to memory of 2544	2964	rundll32.exe	33
PID 2964 wrote to memory of 2544	2964	rundll32.exe	33
PID 3036 wrote to memory of 1096	3036	f7721a4.exe	19
PID 3036 wrote to memory of 1160	3036	f7721a4.exe	20
PID 3036 wrote to memory of 1196	3036	f7721a4.exe	21
PID 3036 wrote to memory of 1268	3036	f7721a4.exe	23
PID 3036 wrote to memory of 2764	3036	f7721a4.exe	32
PID 3036 wrote to memory of 2764	3036	f7721a4.exe	32
PID 3036 wrote to memory of 2544	3036	f7721a4.exe	33
PID 3036 wrote to memory of 2544	3036	f7721a4.exe	33

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"	f7721a4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f7723b6.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4823e7373d249fa9e1863519811f150N.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2256
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4823e7373d249fa9e1863519811f150N.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2964
  - - C:\Users\Admin\AppData\Local\Temp\f7721a4.exe
      C:\Users\Admin\AppData\Local\Temp\f7721a4.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:3036
  - - C:\Users\Admin\AppData\Local\Temp\f7723b6.exe
      C:\Users\Admin\AppData\Local\Temp\f7723b6.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
      System policy modification
      PID:2764
  - - C:\Users\Admin\AppData\Local\Temp\f773c84.exe
      C:\Users\Admin\AppData\Local\Temp\f773c84.exe
      4⤵
      Executes dropped EXE
      PID:2544

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1268

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