sality | 2761d9cac0a88842100b74294422544c7e190d055e08ce4161645e21460d1a49

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"	e57a43f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	e57a43f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	e57a43f.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

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	e57a43f.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\FirewallOverride = "1"	e57a43f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	e57a43f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e57a43f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	e57a43f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	e57a43f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e57a43f.exe

Executes dropped EXE 3 IoCs

pid	Process
1848	e57a43f.exe
2232	e57a577.exe
2244	e57bf97.exe

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\AntiVirusOverride = "1"	e57a43f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	e57a43f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e57a43f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	e57a43f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	e57a43f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e57a43f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	e57a43f.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"	e57a43f.exe

Enumerates connected drives 3 TTPs 14 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)	\??\P:	e57a43f.exe
File opened (read-only)	\??\E:	e57a43f.exe
File opened (read-only)	\??\M:	e57a43f.exe
File opened (read-only)	\??\O:	e57a43f.exe
File opened (read-only)	\??\R:	e57a43f.exe
File opened (read-only)	\??\H:	e57a43f.exe
File opened (read-only)	\??\K:	e57a43f.exe
File opened (read-only)	\??\Q:	e57a43f.exe
File opened (read-only)	\??\G:	e57a43f.exe
File opened (read-only)	\??\J:	e57a43f.exe
File opened (read-only)	\??\L:	e57a43f.exe
File opened (read-only)	\??\N:	e57a43f.exe
File opened (read-only)	\??\S:	e57a43f.exe
File opened (read-only)	\??\I:	e57a43f.exe

UPX packed file 30 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1848-6-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-9-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-25-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-33-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-26-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-11-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-12-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-10-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-8-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-34-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-35-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-36-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-37-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-38-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-39-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-41-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-42-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-50-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-52-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-54-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-64-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-65-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-69-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-71-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-74-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-80-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-82-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-84-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-86-0x0000000000730000-0x00000000017EA000-memory.dmp	upx
behavioral2/memory/1848-90-0x0000000000730000-0x00000000017EA000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	e57a43f.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	e57a43f.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	e57a43f.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	e57a43f.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\e57a4ac	e57a43f.exe
File opened for modification	C:\Windows\SYSTEM.INI	e57a43f.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e57a43f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e57a577.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e57bf97.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1848	e57a43f.exe
1848	e57a43f.exe
1848	e57a43f.exe
1848	e57a43f.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe
Token: SeDebugPrivilege	1848	e57a43f.exe

Suspicious use of WriteProcessMemory 50 IoCs

description	pid	Process	procid_target
PID 3612 wrote to memory of 2876	3612	rundll32.exe	83
PID 3612 wrote to memory of 2876	3612	rundll32.exe	83
PID 3612 wrote to memory of 2876	3612	rundll32.exe	83
PID 2876 wrote to memory of 1848	2876	rundll32.exe	84
PID 2876 wrote to memory of 1848	2876	rundll32.exe	84
PID 2876 wrote to memory of 1848	2876	rundll32.exe	84
PID 1848 wrote to memory of 800	1848	e57a43f.exe	9
PID 1848 wrote to memory of 804	1848	e57a43f.exe	10
PID 1848 wrote to memory of 316	1848	e57a43f.exe	13
PID 1848 wrote to memory of 2832	1848	e57a43f.exe	49
PID 1848 wrote to memory of 3004	1848	e57a43f.exe	50
PID 1848 wrote to memory of 1964	1848	e57a43f.exe	52
PID 1848 wrote to memory of 3444	1848	e57a43f.exe	56
PID 1848 wrote to memory of 3568	1848	e57a43f.exe	57
PID 1848 wrote to memory of 3756	1848	e57a43f.exe	58
PID 1848 wrote to memory of 3840	1848	e57a43f.exe	59
PID 1848 wrote to memory of 3940	1848	e57a43f.exe	60
PID 1848 wrote to memory of 4028	1848	e57a43f.exe	61
PID 1848 wrote to memory of 2296	1848	e57a43f.exe	62
PID 1848 wrote to memory of 4436	1848	e57a43f.exe	74
PID 1848 wrote to memory of 3608	1848	e57a43f.exe	76
PID 1848 wrote to memory of 2236	1848	e57a43f.exe	81
PID 1848 wrote to memory of 3612	1848	e57a43f.exe	82
PID 1848 wrote to memory of 2876	1848	e57a43f.exe	83
PID 1848 wrote to memory of 2876	1848	e57a43f.exe	83
PID 2876 wrote to memory of 2232	2876	rundll32.exe	85
PID 2876 wrote to memory of 2232	2876	rundll32.exe	85
PID 2876 wrote to memory of 2232	2876	rundll32.exe	85
PID 2876 wrote to memory of 2244	2876	rundll32.exe	87
PID 2876 wrote to memory of 2244	2876	rundll32.exe	87
PID 2876 wrote to memory of 2244	2876	rundll32.exe	87
PID 1848 wrote to memory of 800	1848	e57a43f.exe	9
PID 1848 wrote to memory of 804	1848	e57a43f.exe	10
PID 1848 wrote to memory of 316	1848	e57a43f.exe	13
PID 1848 wrote to memory of 2832	1848	e57a43f.exe	49
PID 1848 wrote to memory of 3004	1848	e57a43f.exe	50
PID 1848 wrote to memory of 1964	1848	e57a43f.exe	52
PID 1848 wrote to memory of 3444	1848	e57a43f.exe	56
PID 1848 wrote to memory of 3568	1848	e57a43f.exe	57
PID 1848 wrote to memory of 3756	1848	e57a43f.exe	58
PID 1848 wrote to memory of 3840	1848	e57a43f.exe	59
PID 1848 wrote to memory of 3940	1848	e57a43f.exe	60
PID 1848 wrote to memory of 4028	1848	e57a43f.exe	61
PID 1848 wrote to memory of 2296	1848	e57a43f.exe	62
PID 1848 wrote to memory of 4436	1848	e57a43f.exe	74
PID 1848 wrote to memory of 3608	1848	e57a43f.exe	76
PID 1848 wrote to memory of 2232	1848	e57a43f.exe	85
PID 1848 wrote to memory of 2232	1848	e57a43f.exe	85
PID 1848 wrote to memory of 2244	1848	e57a43f.exe	87
PID 1848 wrote to memory of 2244	1848	e57a43f.exe	87

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"	e57a43f.exe

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:800

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:804

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:316

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2832

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:3004

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:1964

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3444
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2761d9cac0a88842100b74294422544c7e190d055e08ce4161645e21460d1a49.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3612
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2761d9cac0a88842100b74294422544c7e190d055e08ce4161645e21460d1a49.dll,#1
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2876
  - - C:\Users\Admin\AppData\Local\Temp\e57a43f.exe
      C:\Users\Admin\AppData\Local\Temp\e57a43f.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 Program Files directory
      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:1848
  - - C:\Users\Admin\AppData\Local\Temp\e57a577.exe
      C:\Users\Admin\AppData\Local\Temp\e57a577.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2232
  - - C:\Users\Admin\AppData\Local\Temp\e57bf97.exe
      C:\Users\Admin\AppData\Local\Temp\e57bf97.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2244

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3568

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3756

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3840

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3940

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:4028

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:2296

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
1⤵
PID:4436

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3608

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:2236

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 System Firewall

T1562.004

Disable or Modify Tools

Modify Registry