sality | edf6405fadb1f3931a8119f5cfdad3f89f023898837345bf546d815b36be7d62

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f768804.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f768804.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f768804.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"	f768804.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\AntiVirusOverride = "1"	f768804.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f768804.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f768804.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f768804.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f768804.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f768804.exe

Executes dropped EXE 3 IoCs

pid	Process
2252	f768804.exe
1028	f769138.exe
2304	f76a209.exe

Loads dropped DLL 6 IoCs

pid	Process
1616	rundll32.exe
1616	rundll32.exe
1616	rundll32.exe
1616	rundll32.exe
1616	rundll32.exe
1616	rundll32.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2252-13-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-15-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-16-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-20-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-32-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-25-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-50-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-59-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-60-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-61-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-62-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-63-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-64-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-76-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-81-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-83-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-84-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-86-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-88-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-108-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-110-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/2252-144-0x0000000000520000-0x00000000015DA000-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\UacDisableNotify = "1"	f768804.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f768804.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f768804.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f768804.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f768804.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f768804.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f768804.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"	f768804.exe

Enumerates connected drives 3 TTPs 8 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:	f768804.exe
File opened (read-only)	\??\K:	f768804.exe
File opened (read-only)	\??\L:	f768804.exe
File opened (read-only)	\??\M:	f768804.exe
File opened (read-only)	\??\E:	f768804.exe
File opened (read-only)	\??\G:	f768804.exe
File opened (read-only)	\??\H:	f768804.exe
File opened (read-only)	\??\I:	f768804.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\f7689c9	f768804.exe
File opened for modification	C:\Windows\SYSTEM.INI	f768804.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2252	f768804.exe
2252	f768804.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe
Token: SeDebugPrivilege	2252	f768804.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 1616	3032	rundll32.exe	28
PID 3032 wrote to memory of 1616	3032	rundll32.exe	28
PID 3032 wrote to memory of 1616	3032	rundll32.exe	28
PID 3032 wrote to memory of 1616	3032	rundll32.exe	28
PID 3032 wrote to memory of 1616	3032	rundll32.exe	28
PID 3032 wrote to memory of 1616	3032	rundll32.exe	28
PID 3032 wrote to memory of 1616	3032	rundll32.exe	28
PID 1616 wrote to memory of 2252	1616	rundll32.exe	29
PID 1616 wrote to memory of 2252	1616	rundll32.exe	29
PID 1616 wrote to memory of 2252	1616	rundll32.exe	29
PID 1616 wrote to memory of 2252	1616	rundll32.exe	29
PID 2252 wrote to memory of 1152	2252	f768804.exe	16
PID 2252 wrote to memory of 1232	2252	f768804.exe	23
PID 2252 wrote to memory of 1300	2252	f768804.exe	17
PID 2252 wrote to memory of 1956	2252	f768804.exe	22
PID 2252 wrote to memory of 3032	2252	f768804.exe	27
PID 2252 wrote to memory of 1616	2252	f768804.exe	28
PID 2252 wrote to memory of 1616	2252	f768804.exe	28
PID 1616 wrote to memory of 1028	1616	rundll32.exe	30
PID 1616 wrote to memory of 1028	1616	rundll32.exe	30
PID 1616 wrote to memory of 1028	1616	rundll32.exe	30
PID 1616 wrote to memory of 1028	1616	rundll32.exe	30
PID 1616 wrote to memory of 2304	1616	rundll32.exe	31
PID 1616 wrote to memory of 2304	1616	rundll32.exe	31
PID 1616 wrote to memory of 2304	1616	rundll32.exe	31
PID 1616 wrote to memory of 2304	1616	rundll32.exe	31
PID 2252 wrote to memory of 1152	2252	f768804.exe	16
PID 2252 wrote to memory of 1232	2252	f768804.exe	23
PID 2252 wrote to memory of 1300	2252	f768804.exe	17
PID 2252 wrote to memory of 1028	2252	f768804.exe	30
PID 2252 wrote to memory of 1028	2252	f768804.exe	30
PID 2252 wrote to memory of 2304	2252	f768804.exe	31
PID 2252 wrote to memory of 2304	2252	f768804.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"	f768804.exe

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1300
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.7444ca9be507f7fa198023822cc1a620_JC.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3032
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.7444ca9be507f7fa198023822cc1a620_JC.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1616
  - - C:\Users\Admin\AppData\Local\Temp\f768804.exe
      C:\Users\Admin\AppData\Local\Temp\f768804.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\f769138.exe
      C:\Users\Admin\AppData\Local\Temp\f769138.exe
      4⤵
      Executes dropped EXE
      PID:1028
  - - C:\Users\Admin\AppData\Local\Temp\f76a209.exe
      C:\Users\Admin\AppData\Local\Temp\f76a209.exe
      4⤵
      Executes dropped EXE
      PID:2304

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1956

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1232

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