sality | fcca444ff3a68a74634ad9c30d7e744cb75559df7914be1a394c9fd4659c46c9

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6c1517.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6c1517.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6bf23c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6bf23c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6bf23c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6c1517.exe

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

UAC bypass 3 TTPs 2 IoCs

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6bf23c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c1517.exe

Windows security bypass 2 TTPs 12 IoCs

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6bf23c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6bf23c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6bf23c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6bf23c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c1517.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c1517.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6bf23c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6bf23c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c1517.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c1517.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c1517.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c1517.exe

Executes dropped EXE 3 IoCs

pid	Process
1272	6bf23c.exe
1284	6bf4db.exe
1472	6c1517.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1272-61-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1272-70-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1272-83-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1272-85-0x0000000000670000-0x000000000172A000-memory.dmp	upx
behavioral1/memory/1472-87-0x0000000000910000-0x00000000019CA000-memory.dmp	upx
behavioral1/memory/1472-91-0x0000000000910000-0x00000000019CA000-memory.dmp	upx

Loads dropped DLL 6 IoCs

pid	Process
1204	rundll32.exe
1204	rundll32.exe
1204	rundll32.exe
1204	rundll32.exe
1204	rundll32.exe
1204	rundll32.exe

Windows security modification 2 TTPs 14 IoCs

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6c1517.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6bf23c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6bf23c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6c1517.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6bf23c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6bf23c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6c1517.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6c1517.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6bf23c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6bf23c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6c1517.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6bf23c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6c1517.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6c1517.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"	6bf23c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c1517.exe

Enumerates connected drives 3 TTPs 9 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:	6bf23c.exe
File opened (read-only)	\??\G:	6bf23c.exe
File opened (read-only)	\??\H:	6bf23c.exe
File opened (read-only)	\??\I:	6bf23c.exe
File opened (read-only)	\??\J:	6bf23c.exe
File opened (read-only)	\??\K:	6bf23c.exe
File opened (read-only)	\??\F:	6bf23c.exe
File opened (read-only)	\??\L:	6bf23c.exe
File opened (read-only)	\??\M:	6bf23c.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\6bf364	6bf23c.exe
File opened for modification	C:\Windows\SYSTEM.INI	6bf23c.exe
File created	C:\Windows\6c4bb1	6c1517.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1272	6bf23c.exe
1272	6bf23c.exe
1472	6c1517.exe

Suspicious use of AdjustPrivilegeToken 42 IoCs

description	pid	Process
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1272	6bf23c.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe
Token: SeDebugPrivilege	1472	6c1517.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 1204	832	rundll32.exe	28
PID 832 wrote to memory of 1204	832	rundll32.exe	28
PID 832 wrote to memory of 1204	832	rundll32.exe	28
PID 832 wrote to memory of 1204	832	rundll32.exe	28
PID 832 wrote to memory of 1204	832	rundll32.exe	28
PID 832 wrote to memory of 1204	832	rundll32.exe	28
PID 832 wrote to memory of 1204	832	rundll32.exe	28
PID 1204 wrote to memory of 1272	1204	rundll32.exe	29
PID 1204 wrote to memory of 1272	1204	rundll32.exe	29
PID 1204 wrote to memory of 1272	1204	rundll32.exe	29
PID 1204 wrote to memory of 1272	1204	rundll32.exe	29
PID 1272 wrote to memory of 1112	1272	6bf23c.exe	16
PID 1272 wrote to memory of 1180	1272	6bf23c.exe	15
PID 1272 wrote to memory of 1208	1272	6bf23c.exe	14
PID 1272 wrote to memory of 832	1272	6bf23c.exe	27
PID 1272 wrote to memory of 1204	1272	6bf23c.exe	28
PID 1272 wrote to memory of 1204	1272	6bf23c.exe	28
PID 1204 wrote to memory of 1284	1204	rundll32.exe	30
PID 1204 wrote to memory of 1284	1204	rundll32.exe	30
PID 1204 wrote to memory of 1284	1204	rundll32.exe	30
PID 1204 wrote to memory of 1284	1204	rundll32.exe	30
PID 1204 wrote to memory of 1472	1204	rundll32.exe	31
PID 1204 wrote to memory of 1472	1204	rundll32.exe	31
PID 1204 wrote to memory of 1472	1204	rundll32.exe	31
PID 1204 wrote to memory of 1472	1204	rundll32.exe	31
PID 1272 wrote to memory of 1112	1272	6bf23c.exe	16
PID 1272 wrote to memory of 1180	1272	6bf23c.exe	15
PID 1272 wrote to memory of 1208	1272	6bf23c.exe	14
PID 1272 wrote to memory of 1284	1272	6bf23c.exe	30
PID 1272 wrote to memory of 1284	1272	6bf23c.exe	30
PID 1272 wrote to memory of 1472	1272	6bf23c.exe	31
PID 1272 wrote to memory of 1472	1272	6bf23c.exe	31
PID 1472 wrote to memory of 1112	1472	6c1517.exe	16
PID 1472 wrote to memory of 1180	1472	6c1517.exe	15
PID 1472 wrote to memory of 1208	1472	6c1517.exe	14

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"	6bf23c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6c1517.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fcca444ff3a68a74634ad9c30d7e744cb75559df7914be1a394c9fd4659c46c9.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:832
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fcca444ff3a68a74634ad9c30d7e744cb75559df7914be1a394c9fd4659c46c9.dll,#1
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1204
  - - C:\Users\Admin\AppData\Local\Temp\6bf23c.exe
      C:\Users\Admin\AppData\Local\Temp\6bf23c.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:1272
  - - C:\Users\Admin\AppData\Local\Temp\6bf4db.exe
      C:\Users\Admin\AppData\Local\Temp\6bf4db.exe
      4⤵
      Executes dropped EXE
      PID:1284
  - - C:\Users\Admin\AppData\Local\Temp\6c1517.exe
      C:\Users\Admin\AppData\Local\Temp\6c1517.exe
      4⤵
      Modifies firewall policy service
      UAC bypass
      Windows security bypass
      Executes dropped EXE
      Windows security modification
      Checks whether UAC is enabled
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:1472

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry