sality | edf6405fadb1f3931a8119f5cfdad3f89f023898837345bf546d815b36be7d62

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	e57d6a9.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	e57d6a9.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	e57d6a9.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"	e57d6a9.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"	e57d6a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	e57d6a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e57d6a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	e57d6a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	e57d6a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e57d6a9.exe

Executes dropped EXE 3 IoCs

pid	Process
3968	e57d6a9.exe
3392	e57db8b.exe
4136	e57f201.exe

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3968-7-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-9-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-10-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-12-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-23-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-30-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-31-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-32-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-33-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-36-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-35-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-37-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-38-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-39-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-49-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-50-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-61-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-60-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-64-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-66-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-68-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-70-0x0000000000840000-0x00000000018FA000-memory.dmp	upx
behavioral2/memory/3968-77-0x0000000000840000-0x00000000018FA000-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\UpdatesDisableNotify = "1"	e57d6a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e57d6a9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	e57d6a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	e57d6a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	e57d6a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e57d6a9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	e57d6a9.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"	e57d6a9.exe

Enumerates connected drives 3 TTPs 6 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:	e57d6a9.exe
File opened (read-only)	\??\G:	e57d6a9.exe
File opened (read-only)	\??\H:	e57d6a9.exe
File opened (read-only)	\??\I:	e57d6a9.exe
File opened (read-only)	\??\J:	e57d6a9.exe
File opened (read-only)	\??\K:	e57d6a9.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	e57d6a9.exe
File created	C:\Windows\e57d8cc	e57d6a9.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3968	e57d6a9.exe
3968	e57d6a9.exe
3968	e57d6a9.exe
3968	e57d6a9.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe
Token: SeDebugPrivilege	3968	e57d6a9.exe

Suspicious use of WriteProcessMemory 57 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 3332	1396	rundll32.exe	84
PID 1396 wrote to memory of 3332	1396	rundll32.exe	84
PID 1396 wrote to memory of 3332	1396	rundll32.exe	84
PID 3332 wrote to memory of 3968	3332	rundll32.exe	87
PID 3332 wrote to memory of 3968	3332	rundll32.exe	87
PID 3332 wrote to memory of 3968	3332	rundll32.exe	87
PID 3968 wrote to memory of 804	3968	e57d6a9.exe	9
PID 3968 wrote to memory of 800	3968	e57d6a9.exe	83
PID 3968 wrote to memory of 64	3968	e57d6a9.exe	10
PID 3968 wrote to memory of 2320	3968	e57d6a9.exe	60
PID 3968 wrote to memory of 2340	3968	e57d6a9.exe	58
PID 3968 wrote to memory of 2440	3968	e57d6a9.exe	57
PID 3968 wrote to memory of 3108	3968	e57d6a9.exe	48
PID 3968 wrote to memory of 3380	3968	e57d6a9.exe	47
PID 3968 wrote to memory of 3636	3968	e57d6a9.exe	46
PID 3968 wrote to memory of 3852	3968	e57d6a9.exe	45
PID 3968 wrote to memory of 3924	3968	e57d6a9.exe	22
PID 3968 wrote to memory of 4000	3968	e57d6a9.exe	44
PID 3968 wrote to memory of 4092	3968	e57d6a9.exe	43
PID 3968 wrote to memory of 3168	3968	e57d6a9.exe	41
PID 3968 wrote to memory of 2528	3968	e57d6a9.exe	24
PID 3968 wrote to memory of 4876	3968	e57d6a9.exe	26
PID 3968 wrote to memory of 4260	3968	e57d6a9.exe	25
PID 3968 wrote to memory of 1396	3968	e57d6a9.exe	59
PID 3968 wrote to memory of 3332	3968	e57d6a9.exe	84
PID 3968 wrote to memory of 3332	3968	e57d6a9.exe	84
PID 3968 wrote to memory of 4224	3968	e57d6a9.exe	85
PID 3968 wrote to memory of 2116	3968	e57d6a9.exe	86
PID 3332 wrote to memory of 3392	3332	rundll32.exe	88
PID 3332 wrote to memory of 3392	3332	rundll32.exe	88
PID 3332 wrote to memory of 3392	3332	rundll32.exe	88
PID 3332 wrote to memory of 4136	3332	rundll32.exe	90
PID 3332 wrote to memory of 4136	3332	rundll32.exe	90
PID 3332 wrote to memory of 4136	3332	rundll32.exe	90
PID 3968 wrote to memory of 804	3968	e57d6a9.exe	9
PID 3968 wrote to memory of 800	3968	e57d6a9.exe	83
PID 3968 wrote to memory of 64	3968	e57d6a9.exe	10
PID 3968 wrote to memory of 2320	3968	e57d6a9.exe	60
PID 3968 wrote to memory of 2340	3968	e57d6a9.exe	58
PID 3968 wrote to memory of 2440	3968	e57d6a9.exe	57
PID 3968 wrote to memory of 3108	3968	e57d6a9.exe	48
PID 3968 wrote to memory of 3380	3968	e57d6a9.exe	47
PID 3968 wrote to memory of 3636	3968	e57d6a9.exe	46
PID 3968 wrote to memory of 3852	3968	e57d6a9.exe	45
PID 3968 wrote to memory of 3924	3968	e57d6a9.exe	22
PID 3968 wrote to memory of 4000	3968	e57d6a9.exe	44
PID 3968 wrote to memory of 4092	3968	e57d6a9.exe	43
PID 3968 wrote to memory of 3168	3968	e57d6a9.exe	41
PID 3968 wrote to memory of 2528	3968	e57d6a9.exe	24
PID 3968 wrote to memory of 4876	3968	e57d6a9.exe	26
PID 3968 wrote to memory of 4260	3968	e57d6a9.exe	25
PID 3968 wrote to memory of 2116	3968	e57d6a9.exe	86
PID 3968 wrote to memory of 3392	3968	e57d6a9.exe	88
PID 3968 wrote to memory of 3392	3968	e57d6a9.exe	88
PID 3968 wrote to memory of 1636	3968	e57d6a9.exe	89
PID 3968 wrote to memory of 4136	3968	e57d6a9.exe	90
PID 3968 wrote to memory of 4136	3968	e57d6a9.exe	90

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"	e57d6a9.exe

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

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

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3924

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:2528

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:4260

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
1⤵
PID:4876

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3168

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4092

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:4000

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3852

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3636

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3380

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3108
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.7444ca9be507f7fa198023822cc1a620_JC.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1396
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.7444ca9be507f7fa198023822cc1a620_JC.dll,#1
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3332
  - - C:\Users\Admin\AppData\Local\Temp\e57d6a9.exe
      C:\Users\Admin\AppData\Local\Temp\e57d6a9.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:3968
  - - C:\Users\Admin\AppData\Local\Temp\e57db8b.exe
      C:\Users\Admin\AppData\Local\Temp\e57db8b.exe
      4⤵
      Executes dropped EXE
      PID:3392
  - - C:\Users\Admin\AppData\Local\Temp\e57f201.exe
      C:\Users\Admin\AppData\Local\Temp\e57f201.exe
      4⤵
      Executes dropped EXE
      PID:4136

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2440

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2340

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2320

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

C:\Windows\system32\BackgroundTaskHost.exe
"C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
1⤵
PID:4224

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:2116

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:1636

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