sality | de921ca59ea5122d782eb250220ba82c2e10be149d67cc9506a227d5932d9d5a

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"	e57a21c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	e57a21c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	e57a21c.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"	e57a21c.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"	e57a21c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	e57a21c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e57a21c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	e57a21c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	e57a21c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e57a21c.exe

Executes dropped EXE 4 IoCs

pid	Process
5064	e57a21c.exe
356	e57a354.exe
1196	e57bd93.exe
3048	e57bdb2.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\AntiVirusDisableNotify = "1"	e57a21c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e57a21c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	e57a21c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	e57a21c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e57a21c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	e57a21c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	e57a21c.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"	e57a21c.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)	\??\H:	e57a21c.exe
File opened (read-only)	\??\K:	e57a21c.exe
File opened (read-only)	\??\M:	e57a21c.exe
File opened (read-only)	\??\N:	e57a21c.exe
File opened (read-only)	\??\S:	e57a21c.exe
File opened (read-only)	\??\Q:	e57a21c.exe
File opened (read-only)	\??\E:	e57a21c.exe
File opened (read-only)	\??\G:	e57a21c.exe
File opened (read-only)	\??\I:	e57a21c.exe
File opened (read-only)	\??\J:	e57a21c.exe
File opened (read-only)	\??\L:	e57a21c.exe
File opened (read-only)	\??\O:	e57a21c.exe
File opened (read-only)	\??\P:	e57a21c.exe
File opened (read-only)	\??\R:	e57a21c.exe

UPX packed file 30 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5064-9-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-14-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-16-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-13-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-12-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-29-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-15-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-11-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-8-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-10-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-36-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-37-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-38-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-39-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-40-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-42-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-43-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-58-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-60-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-61-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-75-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-77-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-80-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-82-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-84-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-91-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-94-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-96-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-100-0x0000000000850000-0x000000000190A000-memory.dmp	upx
behavioral2/memory/5064-103-0x0000000000850000-0x000000000190A000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\7z.exe	e57a21c.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	e57a21c.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	e57a21c.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	e57a21c.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\e57a26a	e57a21c.exe
File opened for modification	C:\Windows\SYSTEM.INI	e57a21c.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	e57a354.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e57bd93.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e57bdb2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e57a21c.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5064	e57a21c.exe
5064	e57a21c.exe
5064	e57a21c.exe
5064	e57a21c.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe
Token: SeDebugPrivilege	5064	e57a21c.exe

Suspicious use of WriteProcessMemory 54 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2588	2132	rundll32.exe	82
PID 2132 wrote to memory of 2588	2132	rundll32.exe	82
PID 2132 wrote to memory of 2588	2132	rundll32.exe	82
PID 2588 wrote to memory of 5064	2588	rundll32.exe	83
PID 2588 wrote to memory of 5064	2588	rundll32.exe	83
PID 2588 wrote to memory of 5064	2588	rundll32.exe	83
PID 5064 wrote to memory of 776	5064	e57a21c.exe	8
PID 5064 wrote to memory of 784	5064	e57a21c.exe	9
PID 5064 wrote to memory of 64	5064	e57a21c.exe	13
PID 5064 wrote to memory of 2820	5064	e57a21c.exe	49
PID 5064 wrote to memory of 2852	5064	e57a21c.exe	50
PID 5064 wrote to memory of 2964	5064	e57a21c.exe	51
PID 5064 wrote to memory of 3416	5064	e57a21c.exe	56
PID 5064 wrote to memory of 3552	5064	e57a21c.exe	57
PID 5064 wrote to memory of 3736	5064	e57a21c.exe	58
PID 5064 wrote to memory of 3824	5064	e57a21c.exe	59
PID 5064 wrote to memory of 3888	5064	e57a21c.exe	60
PID 5064 wrote to memory of 3968	5064	e57a21c.exe	61
PID 5064 wrote to memory of 3352	5064	e57a21c.exe	62
PID 5064 wrote to memory of 2108	5064	e57a21c.exe	75
PID 5064 wrote to memory of 4836	5064	e57a21c.exe	76
PID 5064 wrote to memory of 2132	5064	e57a21c.exe	81
PID 5064 wrote to memory of 2588	5064	e57a21c.exe	82
PID 5064 wrote to memory of 2588	5064	e57a21c.exe	82
PID 2588 wrote to memory of 356	2588	rundll32.exe	84
PID 2588 wrote to memory of 356	2588	rundll32.exe	84
PID 2588 wrote to memory of 356	2588	rundll32.exe	84
PID 2588 wrote to memory of 1196	2588	rundll32.exe	87
PID 2588 wrote to memory of 1196	2588	rundll32.exe	87
PID 2588 wrote to memory of 1196	2588	rundll32.exe	87
PID 2588 wrote to memory of 3048	2588	rundll32.exe	88
PID 2588 wrote to memory of 3048	2588	rundll32.exe	88
PID 2588 wrote to memory of 3048	2588	rundll32.exe	88
PID 5064 wrote to memory of 776	5064	e57a21c.exe	8
PID 5064 wrote to memory of 784	5064	e57a21c.exe	9
PID 5064 wrote to memory of 64	5064	e57a21c.exe	13
PID 5064 wrote to memory of 2820	5064	e57a21c.exe	49
PID 5064 wrote to memory of 2852	5064	e57a21c.exe	50
PID 5064 wrote to memory of 2964	5064	e57a21c.exe	51
PID 5064 wrote to memory of 3416	5064	e57a21c.exe	56
PID 5064 wrote to memory of 3552	5064	e57a21c.exe	57
PID 5064 wrote to memory of 3736	5064	e57a21c.exe	58
PID 5064 wrote to memory of 3824	5064	e57a21c.exe	59
PID 5064 wrote to memory of 3888	5064	e57a21c.exe	60
PID 5064 wrote to memory of 3968	5064	e57a21c.exe	61
PID 5064 wrote to memory of 3352	5064	e57a21c.exe	62
PID 5064 wrote to memory of 2108	5064	e57a21c.exe	75
PID 5064 wrote to memory of 4836	5064	e57a21c.exe	76
PID 5064 wrote to memory of 356	5064	e57a21c.exe	84
PID 5064 wrote to memory of 356	5064	e57a21c.exe	84
PID 5064 wrote to memory of 1196	5064	e57a21c.exe	87
PID 5064 wrote to memory of 1196	5064	e57a21c.exe	87
PID 5064 wrote to memory of 3048	5064	e57a21c.exe	88
PID 5064 wrote to memory of 3048	5064	e57a21c.exe	88

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"	e57a21c.exe

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:776

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:784

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:64

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2820

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2852

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2964

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3416
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\de921ca59ea5122d782eb250220ba82c2e10be149d67cc9506a227d5932d9d5aN.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\de921ca59ea5122d782eb250220ba82c2e10be149d67cc9506a227d5932d9d5aN.dll,#1
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2588
  - - C:\Users\Admin\AppData\Local\Temp\e57a21c.exe
      C:\Users\Admin\AppData\Local\Temp\e57a21c.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:5064
  - - C:\Users\Admin\AppData\Local\Temp\e57a354.exe
      C:\Users\Admin\AppData\Local\Temp\e57a354.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:356
  - - C:\Users\Admin\AppData\Local\Temp\e57bd93.exe
      C:\Users\Admin\AppData\Local\Temp\e57bd93.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1196
  - - C:\Users\Admin\AppData\Local\Temp\e57bdb2.exe
      C:\Users\Admin\AppData\Local\Temp\e57bdb2.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3048

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3552

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3736

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3824

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3888

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:3968

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3352

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:2108

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4836

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