sality | 2bf23221b0f792ff252903524ca7d21cbd5b08708672f17e93ead19631932214

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	e5811fc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	e5811fc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	e5811fc.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"	e5811fc.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"	e5811fc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	e5811fc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e5811fc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	e5811fc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	e5811fc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e5811fc.exe

Executes dropped EXE 3 IoCs

pid	Process
4640	e5811fc.exe
3700	e581604.exe
1752	e582bed.exe

UPX packed file 26 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4640-6-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-7-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-9-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-10-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-12-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-24-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-30-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-31-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-32-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-33-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-34-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-36-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-37-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-38-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-39-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-50-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-52-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-53-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-62-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-66-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-68-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-70-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-73-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-75-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-78-0x0000000000780000-0x000000000183A000-memory.dmp	upx
behavioral2/memory/4640-80-0x0000000000780000-0x000000000183A000-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"	e5811fc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e5811fc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	e5811fc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	e5811fc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	e5811fc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e5811fc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	e5811fc.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"	e5811fc.exe

Enumerates connected drives 3 TTPs 10 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)	\??\O:	e5811fc.exe
File opened (read-only)	\??\G:	e5811fc.exe
File opened (read-only)	\??\I:	e5811fc.exe
File opened (read-only)	\??\L:	e5811fc.exe
File opened (read-only)	\??\M:	e5811fc.exe
File opened (read-only)	\??\N:	e5811fc.exe
File opened (read-only)	\??\E:	e5811fc.exe
File opened (read-only)	\??\H:	e5811fc.exe
File opened (read-only)	\??\J:	e5811fc.exe
File opened (read-only)	\??\K:	e5811fc.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\e5813f0	e5811fc.exe
File opened for modification	C:\Windows\SYSTEM.INI	e5811fc.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4640	e5811fc.exe
4640	e5811fc.exe
4640	e5811fc.exe
4640	e5811fc.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe
Token: SeDebugPrivilege	4640	e5811fc.exe

Suspicious use of WriteProcessMemory 54 IoCs

description	pid	Process	procid_target
PID 4692 wrote to memory of 3500	4692	rundll32.exe	15
PID 4692 wrote to memory of 3500	4692	rundll32.exe	15
PID 4692 wrote to memory of 3500	4692	rundll32.exe	15
PID 3500 wrote to memory of 4640	3500	rundll32.exe	29
PID 3500 wrote to memory of 4640	3500	rundll32.exe	29
PID 3500 wrote to memory of 4640	3500	rundll32.exe	29
PID 4640 wrote to memory of 772	4640	e5811fc.exe	13
PID 4640 wrote to memory of 780	4640	e5811fc.exe	12
PID 4640 wrote to memory of 1020	4640	e5811fc.exe	8
PID 4640 wrote to memory of 2408	4640	e5811fc.exe	56
PID 4640 wrote to memory of 2436	4640	e5811fc.exe	55
PID 4640 wrote to memory of 2576	4640	e5811fc.exe	50
PID 4640 wrote to memory of 3224	4640	e5811fc.exe	42
PID 4640 wrote to memory of 3448	4640	e5811fc.exe	41
PID 4640 wrote to memory of 3668	4640	e5811fc.exe	40
PID 4640 wrote to memory of 3764	4640	e5811fc.exe	39
PID 4640 wrote to memory of 3896	4640	e5811fc.exe	38
PID 4640 wrote to memory of 3984	4640	e5811fc.exe	37
PID 4640 wrote to memory of 1928	4640	e5811fc.exe	36
PID 4640 wrote to memory of 4344	4640	e5811fc.exe	33
PID 4640 wrote to memory of 3736	4640	e5811fc.exe	23
PID 4640 wrote to memory of 4488	4640	e5811fc.exe	17
PID 4640 wrote to memory of 5040	4640	e5811fc.exe	16
PID 4640 wrote to memory of 4692	4640	e5811fc.exe	14
PID 4640 wrote to memory of 3500	4640	e5811fc.exe	15
PID 4640 wrote to memory of 3500	4640	e5811fc.exe	15
PID 3500 wrote to memory of 3700	3500	rundll32.exe	47
PID 3500 wrote to memory of 3700	3500	rundll32.exe	47
PID 3500 wrote to memory of 3700	3500	rundll32.exe	47
PID 3500 wrote to memory of 1752	3500	rundll32.exe	89
PID 3500 wrote to memory of 1752	3500	rundll32.exe	89
PID 3500 wrote to memory of 1752	3500	rundll32.exe	89
PID 4640 wrote to memory of 772	4640	e5811fc.exe	13
PID 4640 wrote to memory of 780	4640	e5811fc.exe	12
PID 4640 wrote to memory of 1020	4640	e5811fc.exe	8
PID 4640 wrote to memory of 2408	4640	e5811fc.exe	56
PID 4640 wrote to memory of 2436	4640	e5811fc.exe	55
PID 4640 wrote to memory of 2576	4640	e5811fc.exe	50
PID 4640 wrote to memory of 3224	4640	e5811fc.exe	42
PID 4640 wrote to memory of 3448	4640	e5811fc.exe	41
PID 4640 wrote to memory of 3668	4640	e5811fc.exe	40
PID 4640 wrote to memory of 3764	4640	e5811fc.exe	39
PID 4640 wrote to memory of 3896	4640	e5811fc.exe	38
PID 4640 wrote to memory of 3984	4640	e5811fc.exe	37
PID 4640 wrote to memory of 1928	4640	e5811fc.exe	36
PID 4640 wrote to memory of 4344	4640	e5811fc.exe	33
PID 4640 wrote to memory of 3736	4640	e5811fc.exe	23
PID 4640 wrote to memory of 4488	4640	e5811fc.exe	17
PID 4640 wrote to memory of 3700	4640	e5811fc.exe	47
PID 4640 wrote to memory of 3700	4640	e5811fc.exe	47
PID 4640 wrote to memory of 2332	4640	e5811fc.exe	87
PID 4640 wrote to memory of 540	4640	e5811fc.exe	88
PID 4640 wrote to memory of 1752	4640	e5811fc.exe	89
PID 4640 wrote to memory of 1752	4640	e5811fc.exe	89

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"	e5811fc.exe

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:1020

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:780

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:772

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c1c6ec73f119d29e291a9d210e358190_JC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4692
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c1c6ec73f119d29e291a9d210e358190_JC.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3500
- - C:\Users\Admin\AppData\Local\Temp\e5811fc.exe
    C:\Users\Admin\AppData\Local\Temp\e5811fc.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:4640
- - C:\Users\Admin\AppData\Local\Temp\e581604.exe
    C:\Users\Admin\AppData\Local\Temp\e581604.exe
    3⤵
    - Executes dropped EXE
    PID:3700
- - C:\Users\Admin\AppData\Local\Temp\e582bed.exe
    C:\Users\Admin\AppData\Local\Temp\e582bed.exe
    3⤵
    - Executes dropped EXE
    PID:1752

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:5040

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
1⤵
PID:4488

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:3736

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4344

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:1928

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:3984

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3896

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3764

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3668

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3448

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3224

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2576

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2436

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2408

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:2332

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:540

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