remcos | 9663758105ed0b4131d3cf8f4d45228aa59fdb90ccb0acc4f5332697e7bf5263

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

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	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.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
3316	powershell.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-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	LisectAVT_2403002C_7.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
740	svchost.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Windows security modification 2 TTPs 3 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	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-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	LisectAVT_2403002C_7.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 740 set thread context of 1136	740	svchost.exe	112

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 1 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	csc.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
5088	timeout.exe

Runs regedit.exe 1 IoCs

pid	Process
1708	regedit.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

pid	Process
4212	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
1284	LisectAVT_2403002C_7.exe
740	svchost.exe
740	svchost.exe
740	svchost.exe
740	svchost.exe
740	svchost.exe
740	svchost.exe
740	svchost.exe
740	svchost.exe
740	svchost.exe
740	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1284	LisectAVT_2403002C_7.exe
Token: SeDebugPrivilege	740	svchost.exe
Token: SeDebugPrivilege	3316	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 932	1284	LisectAVT_2403002C_7.exe	86
PID 1284 wrote to memory of 932	1284	LisectAVT_2403002C_7.exe	86
PID 1284 wrote to memory of 1152	1284	LisectAVT_2403002C_7.exe	88
PID 1284 wrote to memory of 1152	1284	LisectAVT_2403002C_7.exe	88
PID 932 wrote to memory of 4212	932	cmd.exe	90
PID 932 wrote to memory of 4212	932	cmd.exe	90
PID 1152 wrote to memory of 5088	1152	cmd.exe	91
PID 1152 wrote to memory of 5088	1152	cmd.exe	91
PID 1152 wrote to memory of 740	1152	cmd.exe	97
PID 1152 wrote to memory of 740	1152	cmd.exe	97
PID 740 wrote to memory of 3316	740	svchost.exe	100
PID 740 wrote to memory of 3316	740	svchost.exe	100
PID 740 wrote to memory of 5012	740	svchost.exe	101
PID 740 wrote to memory of 5012	740	svchost.exe	101
PID 740 wrote to memory of 5012	740	svchost.exe	101
PID 740 wrote to memory of 1968	740	svchost.exe	103
PID 740 wrote to memory of 1968	740	svchost.exe	103
PID 740 wrote to memory of 1968	740	svchost.exe	103
PID 740 wrote to memory of 1968	740	svchost.exe	103
PID 740 wrote to memory of 1968	740	svchost.exe	103
PID 740 wrote to memory of 1968	740	svchost.exe	103
PID 740 wrote to memory of 1968	740	svchost.exe	103
PID 740 wrote to memory of 1968	740	svchost.exe	103
PID 740 wrote to memory of 1968	740	svchost.exe	103
PID 740 wrote to memory of 1968	740	svchost.exe	103
PID 740 wrote to memory of 1708	740	svchost.exe	104
PID 740 wrote to memory of 1708	740	svchost.exe	104
PID 740 wrote to memory of 1708	740	svchost.exe	104
PID 740 wrote to memory of 1708	740	svchost.exe	104
PID 740 wrote to memory of 1708	740	svchost.exe	104
PID 740 wrote to memory of 1708	740	svchost.exe	104
PID 740 wrote to memory of 1708	740	svchost.exe	104
PID 740 wrote to memory of 1708	740	svchost.exe	104
PID 740 wrote to memory of 1708	740	svchost.exe	104
PID 740 wrote to memory of 1708	740	svchost.exe	104
PID 740 wrote to memory of 1524	740	svchost.exe	105
PID 740 wrote to memory of 1524	740	svchost.exe	105
PID 740 wrote to memory of 1524	740	svchost.exe	105
PID 740 wrote to memory of 1524	740	svchost.exe	105
PID 740 wrote to memory of 1524	740	svchost.exe	105
PID 740 wrote to memory of 1524	740	svchost.exe	105
PID 740 wrote to memory of 1524	740	svchost.exe	105
PID 740 wrote to memory of 1524	740	svchost.exe	105
PID 740 wrote to memory of 1524	740	svchost.exe	105
PID 740 wrote to memory of 1524	740	svchost.exe	105
PID 740 wrote to memory of 4500	740	svchost.exe	106
PID 740 wrote to memory of 4500	740	svchost.exe	106
PID 740 wrote to memory of 4500	740	svchost.exe	106
PID 740 wrote to memory of 4500	740	svchost.exe	106
PID 740 wrote to memory of 4500	740	svchost.exe	106
PID 740 wrote to memory of 4500	740	svchost.exe	106
PID 740 wrote to memory of 4500	740	svchost.exe	106
PID 740 wrote to memory of 4500	740	svchost.exe	106
PID 740 wrote to memory of 4500	740	svchost.exe	106
PID 740 wrote to memory of 4500	740	svchost.exe	106
PID 740 wrote to memory of 3384	740	svchost.exe	107
PID 740 wrote to memory of 3384	740	svchost.exe	107
PID 740 wrote to memory of 3384	740	svchost.exe	107
PID 740 wrote to memory of 4712	740	svchost.exe	108
PID 740 wrote to memory of 4712	740	svchost.exe	108
PID 740 wrote to memory of 4712	740	svchost.exe	108
PID 740 wrote to memory of 4984	740	svchost.exe	109
PID 740 wrote to memory of 4984	740	svchost.exe	109
PID 740 wrote to memory of 4984	740	svchost.exe	109

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

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002C_7.exe
"C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002C_7.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Windows\System32\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:932
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4212
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp95C8.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1152
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:5088
- - 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 behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:740
  - - C:\Windows\System32\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⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious use of AdjustPrivilegeToken
      PID:3316
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
      4⤵
      PID:5012
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe"
      4⤵
      PID:1968
  - - C:\Windows\regedit.exe
      "C:\Windows\regedit.exe"
      4⤵
      Runs regedit.exe
      PID:1708
  - - C:\Windows\System32\notepad.exe
      "C:\Windows\System32\notepad.exe"
      4⤵
      PID:1524
  - - C:\Windows\System32\svchost.exe
      "C:\Windows\System32\svchost.exe"
      4⤵
      PID:4500
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
      4⤵
      PID:3384
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      4⤵
      PID:4712
  - - C:\Windows\System32\calc.exe
      "C:\Windows\System32\calc.exe"
      4⤵
      PID:4984
  - - C:\Program Files (x86)\Windows Mail\wab.exe
      "C:\Program Files (x86)\Windows Mail\wab.exe"
      4⤵
      PID:2576
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:1136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

Scripting

T1064

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

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

T1053

Scheduled Task

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry