sality | b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02

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\EnableFirewall = "0"	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe

Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality
Sality family
sality

UAC bypass 3 TTPs 1 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe

Windows security bypass 2 TTPs 6 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe

Executes dropped EXE 1 IoCs

pid	Process
2948	msiinst.exe

Loads dropped DLL 4 IoCs

pid	Process
2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
2948	msiinst.exe
2948	msiinst.exe
2948	msiinst.exe

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.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\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.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"	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe

Enumerates connected drives 3 TTPs 2 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:	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
File opened (read-only)	\??\G:	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2656-6-0x00000000025C0000-0x000000000367A000-memory.dmp	upx
behavioral1/memory/2656-4-0x00000000025C0000-0x000000000367A000-memory.dmp	upx
behavioral1/memory/2656-23-0x00000000025C0000-0x000000000367A000-memory.dmp	upx
behavioral1/memory/2656-2-0x00000000025C0000-0x000000000367A000-memory.dmp	upx
behavioral1/memory/2656-21-0x00000000025C0000-0x000000000367A000-memory.dmp	upx
behavioral1/memory/2656-5-0x00000000025C0000-0x000000000367A000-memory.dmp	upx
behavioral1/memory/2656-25-0x00000000025C0000-0x000000000367A000-memory.dmp	upx
behavioral1/memory/2656-24-0x00000000025C0000-0x000000000367A000-memory.dmp	upx
behavioral1/memory/2656-22-0x00000000025C0000-0x000000000367A000-memory.dmp	upx
behavioral1/memory/2656-20-0x00000000025C0000-0x000000000367A000-memory.dmp	upx
behavioral1/memory/2656-74-0x00000000025C0000-0x000000000367A000-memory.dmp	upx
behavioral1/memory/2656-73-0x00000000025C0000-0x000000000367A000-memory.dmp	upx
behavioral1/memory/2656-75-0x00000000025C0000-0x000000000367A000-memory.dmp	upx
behavioral1/memory/2656-77-0x00000000025C0000-0x000000000367A000-memory.dmp	upx
behavioral1/memory/2656-76-0x00000000025C0000-0x000000000367A000-memory.dmp	upx
behavioral1/memory/2656-79-0x00000000025C0000-0x000000000367A000-memory.dmp	upx
behavioral1/memory/2656-80-0x00000000025C0000-0x000000000367A000-memory.dmp	upx
behavioral1/memory/2656-111-0x00000000025C0000-0x000000000367A000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\f76a821	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
File opened for modification	C:\Windows\SYSTEM.INI	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiinst.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

description	pid	Process
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
Token: SeDebugPrivilege	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 1072	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe	17
PID 2656 wrote to memory of 1092	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe	19
PID 2656 wrote to memory of 1176	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe	21
PID 2656 wrote to memory of 1824	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe	25
PID 2656 wrote to memory of 2948	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe	30
PID 2656 wrote to memory of 2948	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe	30
PID 2656 wrote to memory of 2948	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe	30
PID 2656 wrote to memory of 2948	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe	30
PID 2656 wrote to memory of 2948	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe	30
PID 2656 wrote to memory of 2948	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe	30
PID 2656 wrote to memory of 2948	2656	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe	30

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"	b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1072

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1092

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1176
- C:\Users\Admin\AppData\Local\Temp\b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe
  "C:\Users\Admin\AppData\Local\Temp\b4f157404b1734654e67bf5c46f9b1d20651264ff193b6bb1355ed8bb6e5ee02.exe"
  2⤵
  - Modifies firewall policy service
  - UAC bypass
  - Windows security bypass
  - Loads dropped DLL
  - Windows security modification
  - Adds Run key to start application
  - 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:2656
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\msiinst.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\msiinst.exe /i instmsi.msi MSIEXECREG=1 /m /qb+!
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2948

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1824

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

4

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

T1614

System Language Discovery