sality | 48459484977c2e6893f5d127cf6ca4fc5d4a0c604f5dc76bf54782cf81d7fe70

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"	e57f4ef.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	e57f4ef.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	e57f4ef.exe

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"	e57f4ef.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\UacDisableNotify = "1"	e57f4ef.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	e57f4ef.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	e57f4ef.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e57f4ef.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	e57f4ef.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	e57f4ef.exe

Executes dropped EXE 3 IoCs

pid	Process
2008	e57f4ef.exe
4356	e57f6f3.exe
2732	e5818f2.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"	e57f4ef.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	e57f4ef.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	e57f4ef.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	e57f4ef.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	e57f4ef.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	e57f4ef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	e57f4ef.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"	e57f4ef.exe

Enumerates connected drives 3 TTPs 13 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)	\??\R:	e57f4ef.exe
File opened (read-only)	\??\G:	e57f4ef.exe
File opened (read-only)	\??\I:	e57f4ef.exe
File opened (read-only)	\??\J:	e57f4ef.exe
File opened (read-only)	\??\K:	e57f4ef.exe
File opened (read-only)	\??\L:	e57f4ef.exe
File opened (read-only)	\??\N:	e57f4ef.exe
File opened (read-only)	\??\O:	e57f4ef.exe
File opened (read-only)	\??\E:	e57f4ef.exe
File opened (read-only)	\??\H:	e57f4ef.exe
File opened (read-only)	\??\M:	e57f4ef.exe
File opened (read-only)	\??\P:	e57f4ef.exe
File opened (read-only)	\??\Q:	e57f4ef.exe

UPX packed file 30 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2008-6-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-8-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-10-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-18-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-24-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-19-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-12-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-9-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-13-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-11-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-29-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-35-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-36-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-37-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-39-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-38-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-41-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-42-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-43-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-55-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-56-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-66-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-68-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-71-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-73-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-76-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-77-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-79-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-82-0x0000000000830000-0x00000000018EA000-memory.dmp	upx
behavioral1/memory/2008-88-0x0000000000830000-0x00000000018EA000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\7zG.exe	e57f4ef.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	e57f4ef.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	e57f4ef.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	e57f4ef.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\e57f54d	e57f4ef.exe
File opened for modification	C:\Windows\SYSTEM.INI	e57f4ef.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	e57f4ef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e57f6f3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5818f2.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2008	e57f4ef.exe
2008	e57f4ef.exe
2008	e57f4ef.exe
2008	e57f4ef.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe
Token: SeDebugPrivilege	2008	e57f4ef.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 4792	4712	rundll32.exe	87
PID 4792 wrote to memory of 2008	4792	rundll32.exe	88
PID 2008 wrote to memory of 792	2008	e57f4ef.exe	9
PID 2008 wrote to memory of 800	2008	e57f4ef.exe	10
PID 2008 wrote to memory of 412	2008	e57f4ef.exe	14
PID 2008 wrote to memory of 2996	2008	e57f4ef.exe	50
PID 2008 wrote to memory of 3020	2008	e57f4ef.exe	51
PID 2008 wrote to memory of 2100	2008	e57f4ef.exe	52
PID 2008 wrote to memory of 3308	2008	e57f4ef.exe	56
PID 2008 wrote to memory of 3440	2008	e57f4ef.exe	57
PID 2008 wrote to memory of 3612	2008	e57f4ef.exe	58
PID 2008 wrote to memory of 3712	2008	e57f4ef.exe	59
PID 2008 wrote to memory of 3772	2008	e57f4ef.exe	60
PID 2008 wrote to memory of 3864	2008	e57f4ef.exe	61
PID 2008 wrote to memory of 4040	2008	e57f4ef.exe	62
PID 2008 wrote to memory of 5872	2008	e57f4ef.exe	66
PID 2008 wrote to memory of 5712	2008	e57f4ef.exe	79
PID 2008 wrote to memory of 1976	2008	e57f4ef.exe	80
PID 2008 wrote to memory of 4560	2008	e57f4ef.exe	85
PID 2008 wrote to memory of 4712	2008	e57f4ef.exe	86
PID 2008 wrote to memory of 4792	2008	e57f4ef.exe	87
PID 2008 wrote to memory of 4792	2008	e57f4ef.exe	87
PID 4792 wrote to memory of 4356	4792	rundll32.exe	89
PID 4792 wrote to memory of 2732	4792	rundll32.exe	90
PID 2008 wrote to memory of 792	2008	e57f4ef.exe	9
PID 2008 wrote to memory of 800	2008	e57f4ef.exe	10
PID 2008 wrote to memory of 412	2008	e57f4ef.exe	14
PID 2008 wrote to memory of 2996	2008	e57f4ef.exe	50
PID 2008 wrote to memory of 3020	2008	e57f4ef.exe	51
PID 2008 wrote to memory of 2100	2008	e57f4ef.exe	52
PID 2008 wrote to memory of 3308	2008	e57f4ef.exe	56
PID 2008 wrote to memory of 3440	2008	e57f4ef.exe	57
PID 2008 wrote to memory of 3612	2008	e57f4ef.exe	58
PID 2008 wrote to memory of 3712	2008	e57f4ef.exe	59
PID 2008 wrote to memory of 3772	2008	e57f4ef.exe	60
PID 2008 wrote to memory of 3864	2008	e57f4ef.exe	61
PID 2008 wrote to memory of 4040	2008	e57f4ef.exe	62
PID 2008 wrote to memory of 5872	2008	e57f4ef.exe	66
PID 2008 wrote to memory of 5712	2008	e57f4ef.exe	79
PID 2008 wrote to memory of 1976	2008	e57f4ef.exe	80
PID 2008 wrote to memory of 4356	2008	e57f4ef.exe	89
PID 2008 wrote to memory of 4356	2008	e57f4ef.exe	89
PID 2008 wrote to memory of 2732	2008	e57f4ef.exe	90
PID 2008 wrote to memory of 2732	2008	e57f4ef.exe	90

System policy modification 1 TTPs 1 IoCs

defense_evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	e57f4ef.exe

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

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

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:412

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2996

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:3020

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3308
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\48459484977c2e6893f5d127cf6ca4fc5d4a0c604f5dc76bf54782cf81d7fe70.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4712
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\48459484977c2e6893f5d127cf6ca4fc5d4a0c604f5dc76bf54782cf81d7fe70.dll,#1
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4792
  - - C:\Users\Admin\AppData\Local\Temp\e57f4ef.exe
      C:\Users\Admin\AppData\Local\Temp\e57f4ef.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:2008
  - - C:\Users\Admin\AppData\Local\Temp\e57f6f3.exe
      C:\Users\Admin\AppData\Local\Temp\e57f6f3.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4356
  - - C:\Users\Admin\AppData\Local\Temp\e5818f2.exe
      C:\Users\Admin\AppData\Local\Temp\e5818f2.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2732

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3440

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3612

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3712

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3772

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:3864

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4040

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:5872

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:5712

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:1976

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:4560

Network

MITRE ATT&CK Enterprise v16

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