remcos | a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe

Windows security bypass 2 TTPs 2 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe = "0"	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

4244 powershell.exe

pid	process
4244	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe

Windows security modification 2 TTPs 3 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe = "0"	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe

description	pid	process	target process
PID 4800 set thread context of 3112	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	aspnet_wp.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4244 powershell.exe
4244 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4244 powershell.exe

pid	process
4244	powershell.exe
4244	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4244	powershell.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe

description	pid	process	target process
PID 4800 wrote to memory of 4244	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	powershell.exe
PID 4800 wrote to memory of 4244	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	powershell.exe
PID 4800 wrote to memory of 1900	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	calc.exe
PID 4800 wrote to memory of 1900	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	calc.exe
PID 4800 wrote to memory of 1900	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	calc.exe
PID 4800 wrote to memory of 1900	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	calc.exe
PID 4800 wrote to memory of 1900	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	calc.exe
PID 4800 wrote to memory of 1900	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	calc.exe
PID 4800 wrote to memory of 1900	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	calc.exe
PID 4800 wrote to memory of 1900	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	calc.exe
PID 4800 wrote to memory of 3112	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	aspnet_wp.exe
PID 4800 wrote to memory of 3112	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	aspnet_wp.exe
PID 4800 wrote to memory of 3112	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	aspnet_wp.exe
PID 4800 wrote to memory of 3112	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	aspnet_wp.exe
PID 4800 wrote to memory of 3112	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	aspnet_wp.exe
PID 4800 wrote to memory of 3112	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	aspnet_wp.exe
PID 4800 wrote to memory of 3112	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	aspnet_wp.exe
PID 4800 wrote to memory of 3112	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	aspnet_wp.exe
PID 4800 wrote to memory of 3112	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	aspnet_wp.exe
PID 4800 wrote to memory of 3112	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	aspnet_wp.exe
PID 4800 wrote to memory of 3452	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	aspnet_wp.exe
PID 4800 wrote to memory of 3452	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	aspnet_wp.exe
PID 4800 wrote to memory of 3452	4800	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe	aspnet_wp.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

Processes:

a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe

C:\Users\Admin\AppData\Local\Temp\a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe
"C:\Users\Admin\AppData\Local\Temp\a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe"
1⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4800
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4244
- C:\Windows\System32\calc.exe
  "C:\Windows\System32\calc.exe"
  2⤵
  PID:1900
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
  2⤵
  PID:3112
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
  2⤵
  PID:3452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

3

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry