remcos | f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe

Windows security bypass 2 TTPs 2 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe = "0"	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.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

pid	Process
4628	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe

Windows security modification 2 TTPs 3 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe = "0"	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.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	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1544 set thread context of 640	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe	89

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4628	powershell.exe
4628	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe
Token: SeDebugPrivilege	4628	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 4628	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe	87
PID 1544 wrote to memory of 4628	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe	87
PID 1544 wrote to memory of 640	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe	89
PID 1544 wrote to memory of 640	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe	89
PID 1544 wrote to memory of 640	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe	89
PID 1544 wrote to memory of 640	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe	89
PID 1544 wrote to memory of 640	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe	89
PID 1544 wrote to memory of 640	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe	89
PID 1544 wrote to memory of 640	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe	89
PID 1544 wrote to memory of 640	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe	89
PID 1544 wrote to memory of 640	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe	89
PID 1544 wrote to memory of 640	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe	89
PID 1544 wrote to memory of 640	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe	89
PID 1544 wrote to memory of 640	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe	89
PID 1544 wrote to memory of 3116	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe	90
PID 1544 wrote to memory of 3116	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe	90
PID 1544 wrote to memory of 3116	1544	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe	90

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"	f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe

C:\Users\Admin\AppData\Local\Temp\f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe
"C:\Users\Admin\AppData\Local\Temp\f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.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 AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1544
- 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\f95ca759701d33720eae323fa32190393e93df44c45b527d4b8296c7cb32e295.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4628
- C:\Program Files (x86)\Windows Mail\wab.exe
  "C:\Program Files (x86)\Windows Mail\wab.exe"
  2⤵
  PID:640
- C:\Program Files (x86)\Windows Mail\wab.exe
  "C:\Program Files (x86)\Windows Mail\wab.exe"
  2⤵
  PID:3116

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