0ee170eb92a1063c45512e55aa2c4c7e40e58e1cdc77ce13b5fe56163b871531

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"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ilasm.exe

Windows security bypass 2 TTPs 3 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe = "0"	ilasm.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation	Microsoft Windows.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
764	svchost.exe

Windows security modification 2 TTPs 3 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	Microsoft Windows.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 764 set thread context of 4072	764	svchost.exe	102

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

pid	Process
3684	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4576	timeout.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
4804	Microsoft Windows.exe
3564	powershell.exe
3564	powershell.exe
4072	ilasm.exe
4072	ilasm.exe
4196	powershell.exe
4196	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4804	Microsoft Windows.exe
Token: SeDebugPrivilege	764	svchost.exe
Token: SeDebugPrivilege	3564	powershell.exe
Token: SeDebugPrivilege	4072	ilasm.exe
Token: SeDebugPrivilege	4196	powershell.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 1248	4804	Microsoft Windows.exe	90
PID 4804 wrote to memory of 1248	4804	Microsoft Windows.exe	90
PID 4804 wrote to memory of 1248	4804	Microsoft Windows.exe	90
PID 4804 wrote to memory of 3316	4804	Microsoft Windows.exe	89
PID 4804 wrote to memory of 3316	4804	Microsoft Windows.exe	89
PID 4804 wrote to memory of 3316	4804	Microsoft Windows.exe	89
PID 1248 wrote to memory of 3684	1248	cmd.exe	91
PID 1248 wrote to memory of 3684	1248	cmd.exe	91
PID 1248 wrote to memory of 3684	1248	cmd.exe	91
PID 3316 wrote to memory of 4576	3316	cmd.exe	92
PID 3316 wrote to memory of 4576	3316	cmd.exe	92
PID 3316 wrote to memory of 4576	3316	cmd.exe	92
PID 3316 wrote to memory of 764	3316	cmd.exe	98
PID 3316 wrote to memory of 764	3316	cmd.exe	98
PID 3316 wrote to memory of 764	3316	cmd.exe	98
PID 764 wrote to memory of 3564	764	svchost.exe	100
PID 764 wrote to memory of 3564	764	svchost.exe	100
PID 764 wrote to memory of 3564	764	svchost.exe	100
PID 764 wrote to memory of 4072	764	svchost.exe	102
PID 764 wrote to memory of 4072	764	svchost.exe	102
PID 764 wrote to memory of 4072	764	svchost.exe	102
PID 764 wrote to memory of 4072	764	svchost.exe	102
PID 764 wrote to memory of 4072	764	svchost.exe	102
PID 764 wrote to memory of 4072	764	svchost.exe	102
PID 764 wrote to memory of 4072	764	svchost.exe	102
PID 764 wrote to memory of 4072	764	svchost.exe	102
PID 4072 wrote to memory of 4196	4072	ilasm.exe	105
PID 4072 wrote to memory of 4196	4072	ilasm.exe	105
PID 4072 wrote to memory of 4196	4072	ilasm.exe	105
PID 4072 wrote to memory of 4296	4072	ilasm.exe	103
PID 4072 wrote to memory of 4296	4072	ilasm.exe	103
PID 4072 wrote to memory of 4296	4072	ilasm.exe	103

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"	svchost.exe

C:\Users\Admin\AppData\Local\Temp\Microsoft Windows.exe
"C:\Users\Admin\AppData\Local\Temp\Microsoft Windows.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4804
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp757E.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3316
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4576
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - UAC bypass
    - Windows security bypass
    - Checks computer location settings
    - Executes dropped EXE
    - Windows security modification
    - Checks whether UAC is enabled
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:764
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\svchost.exe" -Force
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3564
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
      4⤵
      UAC bypass
      Windows security bypass
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4072
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
        5⤵
        
        PID:4296
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe" -Force
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4196
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1248
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
    3⤵
    - Creates scheduled task(s)
    PID:3684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry