sality | f5291f6b8b293b02a6651934903fd6f5315e3b621b0335c3fc1c0b14ca2d4bd9

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f761d31.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f761d31.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f761d31.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"	f761d31.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\UacDisableNotify = "1"	f761d31.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761d31.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761d31.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761d31.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761d31.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761d31.exe

Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 21 IoCs

resource	yara_rule
behavioral1/memory/2252-17-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-16-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-15-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-20-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-21-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-24-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-22-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-19-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-25-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-14-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-12-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-55-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-57-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-59-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-60-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-74-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-81-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-83-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-84-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-87-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/2252-90-0x00000000006C0000-0x000000000177A000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine

UPX dump on OEP (original entry point) 27 IoCs

resource	yara_rule
behavioral1/memory/2252-10-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2252-17-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2252-16-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2252-15-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2252-20-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2252-21-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2252-24-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2252-22-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2252-19-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2252-25-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2252-14-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2252-12-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2764-49-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2252-55-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2252-57-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2252-59-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2252-60-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2252-74-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2864-73-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2252-81-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2252-83-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2252-84-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2252-87-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2252-90-0x00000000006C0000-0x000000000177A000-memory.dmp	UPX
behavioral1/memory/2764-107-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2252-108-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/2864-109-0x0000000000400000-0x0000000000412000-memory.dmp	UPX

Executes dropped EXE 3 IoCs

pid	Process
2252	f761d31.exe
2764	f762701.exe
2864	f763dac.exe

Loads dropped DLL 6 IoCs

pid	Process
2212	rundll32.exe
2212	rundll32.exe
2212	rundll32.exe
2212	rundll32.exe
2212	rundll32.exe
2212	rundll32.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2252-17-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-16-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-15-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-20-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-21-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-24-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-22-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-19-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-25-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-14-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-12-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-55-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-57-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-59-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-60-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-74-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-81-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-83-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-84-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-87-0x00000000006C0000-0x000000000177A000-memory.dmp	upx
behavioral1/memory/2252-90-0x00000000006C0000-0x000000000177A000-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"	f761d31.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761d31.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f761d31.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761d31.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761d31.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761d31.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761d31.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"	f761d31.exe

Enumerates connected drives 3 TTPs 3 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:	f761d31.exe
File opened (read-only)	\??\G:	f761d31.exe
File opened (read-only)	\??\H:	f761d31.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\f761dcd	f761d31.exe
File opened for modification	C:\Windows\SYSTEM.INI	f761d31.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2252	f761d31.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe
Token: SeDebugPrivilege	2252	f761d31.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2212	1984	rundll32.exe	28
PID 1984 wrote to memory of 2212	1984	rundll32.exe	28
PID 1984 wrote to memory of 2212	1984	rundll32.exe	28
PID 1984 wrote to memory of 2212	1984	rundll32.exe	28
PID 1984 wrote to memory of 2212	1984	rundll32.exe	28
PID 1984 wrote to memory of 2212	1984	rundll32.exe	28
PID 1984 wrote to memory of 2212	1984	rundll32.exe	28
PID 2212 wrote to memory of 2252	2212	rundll32.exe	29
PID 2212 wrote to memory of 2252	2212	rundll32.exe	29
PID 2212 wrote to memory of 2252	2212	rundll32.exe	29
PID 2212 wrote to memory of 2252	2212	rundll32.exe	29
PID 2252 wrote to memory of 1116	2252	f761d31.exe	19
PID 2252 wrote to memory of 1172	2252	f761d31.exe	20
PID 2252 wrote to memory of 1208	2252	f761d31.exe	21
PID 2252 wrote to memory of 2360	2252	f761d31.exe	23
PID 2252 wrote to memory of 1984	2252	f761d31.exe	27
PID 2252 wrote to memory of 2212	2252	f761d31.exe	28
PID 2212 wrote to memory of 2764	2212	rundll32.exe	30
PID 2212 wrote to memory of 2764	2212	rundll32.exe	30
PID 2212 wrote to memory of 2764	2212	rundll32.exe	30
PID 2212 wrote to memory of 2764	2212	rundll32.exe	30
PID 2252 wrote to memory of 2212	2252	f761d31.exe	28
PID 2212 wrote to memory of 2864	2212	rundll32.exe	31
PID 2212 wrote to memory of 2864	2212	rundll32.exe	31
PID 2212 wrote to memory of 2864	2212	rundll32.exe	31
PID 2212 wrote to memory of 2864	2212	rundll32.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"	f761d31.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5291f6b8b293b02a6651934903fd6f5315e3b621b0335c3fc1c0b14ca2d4bd9.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5291f6b8b293b02a6651934903fd6f5315e3b621b0335c3fc1c0b14ca2d4bd9.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2212
  - - C:\Users\Admin\AppData\Local\Temp\f761d31.exe
      C:\Users\Admin\AppData\Local\Temp\f761d31.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:2252
  - - C:\Users\Admin\AppData\Local\Temp\f762701.exe
      C:\Users\Admin\AppData\Local\Temp\f762701.exe
      4⤵
      Executes dropped EXE
      PID:2764
  - - C:\Users\Admin\AppData\Local\Temp\f763dac.exe
      C:\Users\Admin\AppData\Local\Temp\f763dac.exe
      4⤵
      Executes dropped EXE
      PID:2864

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2360

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