remcos | 4572fbca2bb19a3a6b830db11d55127554eae29b6f84b20807b8d81516d76061

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"	ORDER .exe

Windows security bypass 2 TTPs 2 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	ORDER .exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\ORDER .exe = "0"	ORDER .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
2980	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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	ORDER .exe

Windows security modification 2 TTPs 3 IoCs

Disable or Modify Tools

Modify Registry

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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 776 set thread context of 1468	776	ORDER .exe	86
PID 1468 set thread context of 32	1468	wab.exe	91

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	wab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2980	powershell.exe
1468	wab.exe
1468	wab.exe
2980	powershell.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1468	wab.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2980	powershell.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 776 wrote to memory of 2980	776	ORDER .exe	83
PID 776 wrote to memory of 2980	776	ORDER .exe	83
PID 776 wrote to memory of 1156	776	ORDER .exe	85
PID 776 wrote to memory of 1156	776	ORDER .exe	85
PID 776 wrote to memory of 1156	776	ORDER .exe	85
PID 776 wrote to memory of 1156	776	ORDER .exe	85
PID 776 wrote to memory of 1156	776	ORDER .exe	85
PID 776 wrote to memory of 1156	776	ORDER .exe	85
PID 776 wrote to memory of 1156	776	ORDER .exe	85
PID 776 wrote to memory of 1156	776	ORDER .exe	85
PID 776 wrote to memory of 1156	776	ORDER .exe	85
PID 776 wrote to memory of 1156	776	ORDER .exe	85
PID 776 wrote to memory of 1468	776	ORDER .exe	86
PID 776 wrote to memory of 1468	776	ORDER .exe	86
PID 776 wrote to memory of 1468	776	ORDER .exe	86
PID 776 wrote to memory of 1468	776	ORDER .exe	86
PID 776 wrote to memory of 1468	776	ORDER .exe	86
PID 776 wrote to memory of 1468	776	ORDER .exe	86
PID 776 wrote to memory of 1468	776	ORDER .exe	86
PID 776 wrote to memory of 1468	776	ORDER .exe	86
PID 776 wrote to memory of 1468	776	ORDER .exe	86
PID 776 wrote to memory of 1468	776	ORDER .exe	86
PID 776 wrote to memory of 1468	776	ORDER .exe	86
PID 776 wrote to memory of 1468	776	ORDER .exe	86
PID 776 wrote to memory of 4256	776	ORDER .exe	87
PID 776 wrote to memory of 4256	776	ORDER .exe	87
PID 776 wrote to memory of 4256	776	ORDER .exe	87
PID 1468 wrote to memory of 32	1468	wab.exe	91
PID 1468 wrote to memory of 32	1468	wab.exe	91
PID 1468 wrote to memory of 32	1468	wab.exe	91
PID 1468 wrote to memory of 32	1468	wab.exe	91

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"	ORDER .exe

C:\Users\Admin\AppData\Local\Temp\ORDER .exe
"C:\Users\Admin\AppData\Local\Temp\ORDER .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:776
- 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\ORDER .exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2980
- C:\Windows\System32\calc.exe
  "C:\Windows\System32\calc.exe"
  2⤵
  PID:1156
- C:\Program Files (x86)\Windows Mail\wab.exe
  "C:\Program Files (x86)\Windows Mail\wab.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1468
- - \??\c:\program files (x86)\internet explorer\iexplore.exe
    "c:\program files (x86)\internet explorer\iexplore.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    PID:32
- C:\Program Files (x86)\Windows Mail\wab.exe
  "C:\Program Files (x86)\Windows Mail\wab.exe"
  2⤵
  PID:4256

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1720

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

T1562

Disable or Modify Tools

Modify Registry