sality | 9b08b485b374d36c0f4e199c7d0f4a54792c29a819d47a3dc00f3b991e553dec

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f76cb2b.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f76cb2b.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f76cb2b.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"	f76cb2b.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\AntiVirusDisableNotify = "1"	f76cb2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76cb2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76cb2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f76cb2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76cb2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76cb2b.exe

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

resource	yara_rule
behavioral1/memory/528-12-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-14-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-15-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-17-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-22-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-26-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-32-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-37-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-49-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-59-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-60-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-61-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-62-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-63-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-64-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-78-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-79-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-80-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-82-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-101-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine
behavioral1/memory/528-143-0x0000000000520000-0x00000000015DA000-memory.dmp	INDICATOR_EXE_Packed_SimplePolyEngine

UPX dump on OEP (original entry point) 24 IoCs

resource	yara_rule
behavioral1/memory/528-12-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-14-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-15-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-17-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-22-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-26-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-32-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-37-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-49-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/2088-57-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/528-59-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-60-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-61-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-62-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-63-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-64-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-78-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-79-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-80-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-82-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-101-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/528-142-0x0000000000400000-0x0000000000412000-memory.dmp	UPX
behavioral1/memory/528-143-0x0000000000520000-0x00000000015DA000-memory.dmp	UPX
behavioral1/memory/2904-147-0x0000000000400000-0x0000000000412000-memory.dmp	UPX

Executes dropped EXE 3 IoCs

pid	Process
528	f76cb2b.exe
2088	f76d134.exe
2904	f76e560.exe

Loads dropped DLL 6 IoCs

pid	Process
2912	rundll32.exe
2912	rundll32.exe
2912	rundll32.exe
2912	rundll32.exe
2912	rundll32.exe
2912	rundll32.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/528-12-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-14-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-15-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-17-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-22-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-26-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-32-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-37-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-49-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-59-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-60-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-61-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-62-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-63-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-64-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-78-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-79-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-80-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-82-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-101-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/528-143-0x0000000000520000-0x00000000015DA000-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"	f76cb2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f76cb2b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f76cb2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f76cb2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f76cb2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f76cb2b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f76cb2b.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"	f76cb2b.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)	\??\J:	f76cb2b.exe
File opened (read-only)	\??\K:	f76cb2b.exe
File opened (read-only)	\??\L:	f76cb2b.exe
File opened (read-only)	\??\E:	f76cb2b.exe
File opened (read-only)	\??\G:	f76cb2b.exe
File opened (read-only)	\??\H:	f76cb2b.exe
File opened (read-only)	\??\I:	f76cb2b.exe
File opened (read-only)	\??\M:	f76cb2b.exe
File opened (read-only)	\??\N:	f76cb2b.exe
File opened (read-only)	\??\O:	f76cb2b.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\f76cc83	f76cb2b.exe
File opened for modification	C:\Windows\SYSTEM.INI	f76cb2b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
528	f76cb2b.exe
528	f76cb2b.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe
Token: SeDebugPrivilege	528	f76cb2b.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2912	2148	rundll32.exe	28
PID 2148 wrote to memory of 2912	2148	rundll32.exe	28
PID 2148 wrote to memory of 2912	2148	rundll32.exe	28
PID 2148 wrote to memory of 2912	2148	rundll32.exe	28
PID 2148 wrote to memory of 2912	2148	rundll32.exe	28
PID 2148 wrote to memory of 2912	2148	rundll32.exe	28
PID 2148 wrote to memory of 2912	2148	rundll32.exe	28
PID 2912 wrote to memory of 528	2912	rundll32.exe	29
PID 2912 wrote to memory of 528	2912	rundll32.exe	29
PID 2912 wrote to memory of 528	2912	rundll32.exe	29
PID 2912 wrote to memory of 528	2912	rundll32.exe	29
PID 528 wrote to memory of 1116	528	f76cb2b.exe	19
PID 528 wrote to memory of 1168	528	f76cb2b.exe	20
PID 528 wrote to memory of 1208	528	f76cb2b.exe	21
PID 528 wrote to memory of 1464	528	f76cb2b.exe	23
PID 528 wrote to memory of 2148	528	f76cb2b.exe	27
PID 528 wrote to memory of 2912	528	f76cb2b.exe	28
PID 528 wrote to memory of 2912	528	f76cb2b.exe	28
PID 2912 wrote to memory of 2088	2912	rundll32.exe	30
PID 2912 wrote to memory of 2088	2912	rundll32.exe	30
PID 2912 wrote to memory of 2088	2912	rundll32.exe	30
PID 2912 wrote to memory of 2088	2912	rundll32.exe	30
PID 2912 wrote to memory of 2904	2912	rundll32.exe	33
PID 2912 wrote to memory of 2904	2912	rundll32.exe	33
PID 2912 wrote to memory of 2904	2912	rundll32.exe	33
PID 2912 wrote to memory of 2904	2912	rundll32.exe	33
PID 528 wrote to memory of 1116	528	f76cb2b.exe	19
PID 528 wrote to memory of 1168	528	f76cb2b.exe	20
PID 528 wrote to memory of 1208	528	f76cb2b.exe	21
PID 528 wrote to memory of 2088	528	f76cb2b.exe	30
PID 528 wrote to memory of 2088	528	f76cb2b.exe	30
PID 528 wrote to memory of 2904	528	f76cb2b.exe	33
PID 528 wrote to memory of 2904	528	f76cb2b.exe	33

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"	f76cb2b.exe

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b08b485b374d36c0f4e199c7d0f4a54792c29a819d47a3dc00f3b991e553dec.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2148
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b08b485b374d36c0f4e199c7d0f4a54792c29a819d47a3dc00f3b991e553dec.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2912
  - - C:\Users\Admin\AppData\Local\Temp\f76cb2b.exe
      C:\Users\Admin\AppData\Local\Temp\f76cb2b.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:528
  - - C:\Users\Admin\AppData\Local\Temp\f76d134.exe
      C:\Users\Admin\AppData\Local\Temp\f76d134.exe
      4⤵
      Executes dropped EXE
      PID:2088
  - - C:\Users\Admin\AppData\Local\Temp\f76e560.exe
      C:\Users\Admin\AppData\Local\Temp\f76e560.exe
      4⤵
      Executes dropped EXE
      PID:2904

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1464

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