sality | 458f64a52861752a369d724e3083f7154b96a7918860a7dad1cb9475929ade18

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	schedl.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"	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	schedl.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"	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	schedl.exe

Executes dropped EXE 1 IoCs

pid	Process
2776	schedl.exe

Loads dropped DLL 2 IoCs

pid	Process
1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe

UPX packed file 27 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1840-1-0x0000000002720000-0x00000000037AE000-memory.dmp	upx
behavioral1/memory/1840-3-0x0000000002720000-0x00000000037AE000-memory.dmp	upx
behavioral1/memory/1840-4-0x0000000002720000-0x00000000037AE000-memory.dmp	upx
behavioral1/memory/1840-8-0x0000000002720000-0x00000000037AE000-memory.dmp	upx
behavioral1/memory/1840-11-0x0000000002720000-0x00000000037AE000-memory.dmp	upx
behavioral1/memory/1840-15-0x0000000002720000-0x00000000037AE000-memory.dmp	upx
behavioral1/memory/1840-22-0x0000000002720000-0x00000000037AE000-memory.dmp	upx
behavioral1/memory/1840-24-0x0000000002720000-0x00000000037AE000-memory.dmp	upx
behavioral1/memory/1840-25-0x0000000002720000-0x00000000037AE000-memory.dmp	upx
behavioral1/memory/1840-57-0x0000000002720000-0x00000000037AE000-memory.dmp	upx
behavioral1/memory/1840-62-0x0000000002720000-0x00000000037AE000-memory.dmp	upx
behavioral1/memory/1840-80-0x0000000002720000-0x00000000037AE000-memory.dmp	upx
behavioral1/memory/2776-95-0x0000000003DC0000-0x0000000004E4E000-memory.dmp	upx
behavioral1/memory/2776-97-0x0000000003DC0000-0x0000000004E4E000-memory.dmp	upx
behavioral1/memory/2776-98-0x0000000003DC0000-0x0000000004E4E000-memory.dmp	upx
behavioral1/memory/2776-103-0x0000000003DC0000-0x0000000004E4E000-memory.dmp	upx
behavioral1/memory/2776-107-0x0000000003DC0000-0x0000000004E4E000-memory.dmp	upx
behavioral1/memory/2776-112-0x0000000003DC0000-0x0000000004E4E000-memory.dmp	upx
behavioral1/memory/2776-114-0x0000000003DC0000-0x0000000004E4E000-memory.dmp	upx
behavioral1/memory/2776-115-0x0000000003DC0000-0x0000000004E4E000-memory.dmp	upx
behavioral1/memory/2776-116-0x0000000003DC0000-0x0000000004E4E000-memory.dmp	upx
behavioral1/memory/2776-117-0x0000000003DC0000-0x0000000004E4E000-memory.dmp	upx
behavioral1/memory/2776-118-0x0000000003DC0000-0x0000000004E4E000-memory.dmp	upx
behavioral1/memory/2776-119-0x0000000003DC0000-0x0000000004E4E000-memory.dmp	upx
behavioral1/memory/2776-121-0x0000000003DC0000-0x0000000004E4E000-memory.dmp	upx
behavioral1/memory/2776-120-0x0000000003DC0000-0x0000000004E4E000-memory.dmp	upx
behavioral1/memory/2776-133-0x0000000003DC0000-0x0000000004E4E000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	schedl.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RUN\schedl = "C:\\Windows\\Help\\schedl.exe"	schedl.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"	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	schedl.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Program Files (x86).exe	schedl.exe
File created	C:\Program Files\Program Files.exe	schedl.exe
File opened for modification	C:\Program Files\Program Files.exe	schedl.exe
File created	C:\Program Files (x86)\Program Files (x86).exe	schedl.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
File created	C:\Windows\Help\schedl.exe	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
File opened for modification	C:\Windows\Help\schedl.exe	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
File created	C:\Windows\Windows.exe	schedl.exe
File opened for modification	C:\Windows\Windows.exe	schedl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
2776	schedl.exe
2776	schedl.exe
2776	schedl.exe
2776	schedl.exe
2776	schedl.exe
2776	schedl.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeDebugPrivilege	1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Token: SeDebugPrivilege	1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Token: SeDebugPrivilege	1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Token: SeDebugPrivilege	1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Token: SeDebugPrivilege	1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Token: SeDebugPrivilege	1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Token: SeDebugPrivilege	2776	schedl.exe
Token: SeDebugPrivilege	2776	schedl.exe
Token: SeDebugPrivilege	2776	schedl.exe
Token: SeDebugPrivilege	2776	schedl.exe
Token: SeDebugPrivilege	2776	schedl.exe
Token: SeDebugPrivilege	2776	schedl.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
2776	schedl.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 1104	1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe	9
PID 1840 wrote to memory of 1152	1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe	8
PID 1840 wrote to memory of 1200	1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe	6
PID 1840 wrote to memory of 760	1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe	4
PID 1840 wrote to memory of 2776	1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe	28
PID 1840 wrote to memory of 2776	1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe	28
PID 1840 wrote to memory of 2776	1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe	28
PID 1840 wrote to memory of 2776	1840	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe	28
PID 2776 wrote to memory of 1104	2776	schedl.exe	9
PID 2776 wrote to memory of 1152	2776	schedl.exe	8
PID 2776 wrote to memory of 1200	2776	schedl.exe	6

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"	NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	schedl.exe

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:760

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\NEAS.92adddbd2e93097b8b3794a979a3cc40.exe
  "C:\Users\Admin\AppData\Local\Temp\NEAS.92adddbd2e93097b8b3794a979a3cc40.exe"
  2⤵
  - Modifies firewall policy service
  - UAC bypass
  - Windows security bypass
  - Loads dropped DLL
  - Windows security modification
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:1840
- - C:\Windows\Help\schedl.exe
    C:\Windows\Help\schedl.exe
    3⤵
    - Modifies firewall policy service
    - UAC bypass
    - Windows security bypass
    - Executes dropped EXE
    - Windows security modification
    - Adds Run key to start application
    - Checks whether UAC is enabled
    - Drops file in Program Files directory
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:2776

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

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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