sality | ed8da93e4ac3a6302145aa49f185cd269719a36846de2e515291b2d1ad29fe62

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	e5803c4.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	e5803c4.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	e5803c4.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"	e5803c4.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"	e5803c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	e5803c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e5803c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	e5803c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	e5803c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e5803c4.exe

Executes dropped EXE 3 IoCs

pid	Process
1624	e5803c4.exe
1504	e581393.exe
4808	e5815e4.exe

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1624-6-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-8-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-9-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-10-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-30-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-22-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-38-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-40-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-41-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-42-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-43-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-44-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-45-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-46-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-47-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-49-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-51-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-52-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-63-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-64-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-66-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-68-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/1624-71-0x00000000007E0000-0x000000000189A000-memory.dmp	upx
behavioral2/memory/4808-101-0x0000000000B30000-0x0000000001BEA000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	e5803c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	e5803c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	e5803c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e5803c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	e5803c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	e5803c4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e5803c4.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"	e5803c4.exe

Enumerates connected drives 3 TTPs 7 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:	e5803c4.exe
File opened (read-only)	\??\K:	e5803c4.exe
File opened (read-only)	\??\L:	e5803c4.exe
File opened (read-only)	\??\E:	e5803c4.exe
File opened (read-only)	\??\G:	e5803c4.exe
File opened (read-only)	\??\H:	e5803c4.exe
File opened (read-only)	\??\I:	e5803c4.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	e5803c4.exe
File created	C:\Windows\e580f9b	e5803c4.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1624	e5803c4.exe
1624	e5803c4.exe
1624	e5803c4.exe
1624	e5803c4.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe
Token: SeDebugPrivilege	1624	e5803c4.exe

Suspicious use of WriteProcessMemory 58 IoCs

description	pid	Process	procid_target
PID 4556 wrote to memory of 4896	4556	rundll32.exe	88
PID 4556 wrote to memory of 4896	4556	rundll32.exe	88
PID 4556 wrote to memory of 4896	4556	rundll32.exe	88
PID 4896 wrote to memory of 1624	4896	rundll32.exe	90
PID 4896 wrote to memory of 1624	4896	rundll32.exe	90
PID 4896 wrote to memory of 1624	4896	rundll32.exe	90
PID 1624 wrote to memory of 788	1624	e5803c4.exe	87
PID 1624 wrote to memory of 792	1624	e5803c4.exe	86
PID 1624 wrote to memory of 316	1624	e5803c4.exe	9
PID 1624 wrote to memory of 2448	1624	e5803c4.exe	56
PID 1624 wrote to memory of 2480	1624	e5803c4.exe	55
PID 1624 wrote to memory of 2768	1624	e5803c4.exe	49
PID 1624 wrote to memory of 3100	1624	e5803c4.exe	45
PID 1624 wrote to memory of 3408	1624	e5803c4.exe	43
PID 1624 wrote to memory of 3676	1624	e5803c4.exe	42
PID 1624 wrote to memory of 3816	1624	e5803c4.exe	41
PID 1624 wrote to memory of 3884	1624	e5803c4.exe	13
PID 1624 wrote to memory of 4028	1624	e5803c4.exe	40
PID 1624 wrote to memory of 3500	1624	e5803c4.exe	39
PID 1624 wrote to memory of 4256	1624	e5803c4.exe	37
PID 1624 wrote to memory of 4856	1624	e5803c4.exe	26
PID 1624 wrote to memory of 2936	1624	e5803c4.exe	17
PID 1624 wrote to memory of 4744	1624	e5803c4.exe	16
PID 1624 wrote to memory of 2808	1624	e5803c4.exe	15
PID 1624 wrote to memory of 4556	1624	e5803c4.exe	33
PID 1624 wrote to memory of 4896	1624	e5803c4.exe	88
PID 1624 wrote to memory of 4896	1624	e5803c4.exe	88
PID 4896 wrote to memory of 1504	4896	rundll32.exe	92
PID 4896 wrote to memory of 1504	4896	rundll32.exe	92
PID 4896 wrote to memory of 1504	4896	rundll32.exe	92
PID 1624 wrote to memory of 1400	1624	e5803c4.exe	91
PID 4896 wrote to memory of 4808	4896	rundll32.exe	93
PID 4896 wrote to memory of 4808	4896	rundll32.exe	93
PID 4896 wrote to memory of 4808	4896	rundll32.exe	93
PID 1624 wrote to memory of 788	1624	e5803c4.exe	87
PID 1624 wrote to memory of 792	1624	e5803c4.exe	86
PID 1624 wrote to memory of 316	1624	e5803c4.exe	9
PID 1624 wrote to memory of 2448	1624	e5803c4.exe	56
PID 1624 wrote to memory of 2480	1624	e5803c4.exe	55
PID 1624 wrote to memory of 2768	1624	e5803c4.exe	49
PID 1624 wrote to memory of 3100	1624	e5803c4.exe	45
PID 1624 wrote to memory of 3408	1624	e5803c4.exe	43
PID 1624 wrote to memory of 3676	1624	e5803c4.exe	42
PID 1624 wrote to memory of 3816	1624	e5803c4.exe	41
PID 1624 wrote to memory of 3884	1624	e5803c4.exe	13
PID 1624 wrote to memory of 4028	1624	e5803c4.exe	40
PID 1624 wrote to memory of 3500	1624	e5803c4.exe	39
PID 1624 wrote to memory of 4256	1624	e5803c4.exe	37
PID 1624 wrote to memory of 4856	1624	e5803c4.exe	26
PID 1624 wrote to memory of 2936	1624	e5803c4.exe	17
PID 1624 wrote to memory of 4744	1624	e5803c4.exe	16
PID 1624 wrote to memory of 2808	1624	e5803c4.exe	15
PID 1624 wrote to memory of 1400	1624	e5803c4.exe	91
PID 1624 wrote to memory of 1504	1624	e5803c4.exe	92
PID 1624 wrote to memory of 1504	1624	e5803c4.exe	92
PID 1624 wrote to memory of 4808	1624	e5803c4.exe	93
PID 1624 wrote to memory of 4808	1624	e5803c4.exe	93
PID 1624 wrote to memory of 2100	1624	e5803c4.exe	94

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"	e5803c4.exe

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

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3884

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:2808

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
1⤵
PID:4744

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
1⤵
PID:2936

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:4856

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.b95828865b65d04f899da76da4e94230.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4556
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.b95828865b65d04f899da76da4e94230.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4896
- - C:\Users\Admin\AppData\Local\Temp\e5803c4.exe
    C:\Users\Admin\AppData\Local\Temp\e5803c4.exe
    3⤵
    - 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:1624
- - C:\Users\Admin\AppData\Local\Temp\e581393.exe
    C:\Users\Admin\AppData\Local\Temp\e581393.exe
    3⤵
    - Executes dropped EXE
    PID:1504
- - C:\Users\Admin\AppData\Local\Temp\e5815e4.exe
    C:\Users\Admin\AppData\Local\Temp\e5815e4.exe
    3⤵
    - Executes dropped EXE
    PID:4808

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4256

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3500

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\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3816

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3676

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3408

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3100

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2768

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2480

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2448

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:792

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:788

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:1400

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:2100

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:3988

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
PID:4920

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