rms | 90f414ca8e7fe410a19ea1be7895f8b7df55b35d4289f1bd7c8900b2c886f4b4

Virtualization/Sandbox Evasion

T1497

Processes:

smss.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	smss.exe

Remote Service Session Hijacking: RDP Hijacking 1 TTPs 3 IoCs

Adversaries may hijack a legitimate user's remote desktop session to move laterally within an environment.

lateral_movement

RDP Hijacking

T1563.002

Processes:

net1.exenet.execmd.exe

pid	Process
1112	net1.exe
1188	net.exe
2916	cmd.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

netsh.exe

pid	Process
3964	netsh.exe

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

Processes:

RDPWinst.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\TermService\Parameters\ServiceDll = "%ProgramFiles%\\RDP Wrapper\\rdpwrap.dll"	RDPWinst.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

Processes:

smss.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	smss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	smss.exe

Executes dropped EXE 6 IoCs

Processes:

winserv.exewinserv.exeRDPWinst.exewinserv.exewinserv.exewinserv.exe

pid	Process
1388	winserv.exe
3056	winserv.exe
1236	RDPWinst.exe
3084	winserv.exe
1092	winserv.exe
1872	winserv.exe

Loads dropped DLL 1 IoCs

Processes:

svchost.exe

pid	Process
3532	svchost.exe

Themida packer 13 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral4/memory/4328-0-0x00007FF681930000-0x00007FF682963000-memory.dmp	themida
behavioral4/memory/4328-2-0x00007FF681930000-0x00007FF682963000-memory.dmp	themida
behavioral4/memory/4328-4-0x00007FF681930000-0x00007FF682963000-memory.dmp	themida
behavioral4/memory/4328-3-0x00007FF681930000-0x00007FF682963000-memory.dmp	themida
behavioral4/memory/4328-5-0x00007FF681930000-0x00007FF682963000-memory.dmp	themida
behavioral4/memory/4328-7-0x00007FF681930000-0x00007FF682963000-memory.dmp	themida
behavioral4/memory/4328-6-0x00007FF681930000-0x00007FF682963000-memory.dmp	themida
behavioral4/memory/4328-8-0x00007FF681930000-0x00007FF682963000-memory.dmp	themida
behavioral4/memory/4328-9-0x00007FF681930000-0x00007FF682963000-memory.dmp	themida
behavioral4/memory/4328-45-0x00007FF681930000-0x00007FF682963000-memory.dmp	themida
behavioral4/memory/4328-49-0x00007FF681930000-0x00007FF682963000-memory.dmp	themida
behavioral4/memory/4328-56-0x00007FF681930000-0x00007FF682963000-memory.dmp	themida
behavioral4/memory/4328-65-0x00007FF681930000-0x00007FF682963000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

persistence privilege_escalation

Processes:

smss.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	smss.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow	ioc
3	ip-api.com

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

RDPWinst.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\AllowMultipleTSSessions = "1"	RDPWinst.exe

AutoIT Executable 11 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral4/memory/4328-4-0x00007FF681930000-0x00007FF682963000-memory.dmp	autoit_exe
behavioral4/memory/4328-3-0x00007FF681930000-0x00007FF682963000-memory.dmp	autoit_exe
behavioral4/memory/4328-5-0x00007FF681930000-0x00007FF682963000-memory.dmp	autoit_exe
behavioral4/memory/4328-7-0x00007FF681930000-0x00007FF682963000-memory.dmp	autoit_exe
behavioral4/memory/4328-6-0x00007FF681930000-0x00007FF682963000-memory.dmp	autoit_exe
behavioral4/memory/4328-8-0x00007FF681930000-0x00007FF682963000-memory.dmp	autoit_exe
behavioral4/memory/4328-9-0x00007FF681930000-0x00007FF682963000-memory.dmp	autoit_exe
behavioral4/memory/4328-45-0x00007FF681930000-0x00007FF682963000-memory.dmp	autoit_exe
behavioral4/memory/4328-49-0x00007FF681930000-0x00007FF682963000-memory.dmp	autoit_exe
behavioral4/memory/4328-56-0x00007FF681930000-0x00007FF682963000-memory.dmp	autoit_exe
behavioral4/memory/4328-65-0x00007FF681930000-0x00007FF682963000-memory.dmp	autoit_exe

Drops file in System32 directory 1 IoCs

Processes:

RDPWinst.exe

description	ioc	Process
File created	C:\Windows\System32\rfxvmt.dll	RDPWinst.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

smss.exe

pid	Process
4328	smss.exe

Drops file in Program Files directory 5 IoCs

Processes:

RDPWinst.exesvchost.exesmss.exe

description	ioc	Process
File created	C:\Program Files\RDP Wrapper\rdpwrap.ini	RDPWinst.exe
File created	C:\Program Files\RDP Wrapper\rdpwrap.dll	RDPWinst.exe
File opened for modification	\??\c:\program files\rdp wrapper\rdpwrap.txt	svchost.exe
File opened for modification	C:\Program Files\RDP Wrapper	smss.exe
File opened for modification	C:\Program Files\RDP Wrapper\rdpwrap.ini	smss.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

Netsh Helper DLL

T1546.007

Processes:

netsh.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Permission Groups Discovery: Local Groups 1 TTPs
Attempt to find local system groups and permission settings.
discovery

Local Groups
T1069.001

System Location Discovery: System Language Discovery 1 TTPs 6 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

Processes:

winserv.exewinserv.exeRDPWinst.exewinserv.exewinserv.exewinserv.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winserv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winserv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RDPWinst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winserv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winserv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winserv.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

Processes:

smss.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	smss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	smss.exe

Delays execution with timeout.exe 1 IoCs

evasion

Processes:

timeout.exe

pid	Process
484	timeout.exe

Modifies registry class 3 IoCs

Processes:

smss.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3761892313-3378554128-2287991803-1000_Classes\MIME\Database	smss.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Charset	smss.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Codepage	smss.exe

NTFS ADS 1 IoCs

Processes:

smss.exe

description	ioc	Process
File opened for modification	C:\ProgramData\Setup\winmgmts:\	smss.exe

Runs net.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

Processes:

schtasks.exeschtasks.exe

pid	Process
3220	schtasks.exe
4536	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

smss.exewinserv.exewinserv.exesvchost.exe

pid	Process
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
1388	winserv.exe
1388	winserv.exe
1388	winserv.exe
1388	winserv.exe
1388	winserv.exe
1388	winserv.exe
3056	winserv.exe
3056	winserv.exe
3056	winserv.exe
3056	winserv.exe
3532	svchost.exe
3532	svchost.exe
3532	svchost.exe
3532	svchost.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe
4328	smss.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid	Process
656

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

winserv.exewinserv.exeRDPWinst.exesvchost.exe

description	pid	Process
Token: SeDebugPrivilege	1388	winserv.exe
Token: SeTakeOwnershipPrivilege	3056	winserv.exe
Token: SeTcbPrivilege	3056	winserv.exe
Token: SeTcbPrivilege	3056	winserv.exe
Token: SeDebugPrivilege	1236	RDPWinst.exe
Token: SeAuditPrivilege	3532	svchost.exe

Suspicious use of SetWindowsHookEx 20 IoCs

Processes:

winserv.exewinserv.exewinserv.exewinserv.exewinserv.exe

pid	Process
1388	winserv.exe
1388	winserv.exe
1388	winserv.exe
1388	winserv.exe
3056	winserv.exe
3056	winserv.exe
3056	winserv.exe
3056	winserv.exe
3084	winserv.exe
3084	winserv.exe
3084	winserv.exe
3084	winserv.exe
1092	winserv.exe
1092	winserv.exe
1092	winserv.exe
1092	winserv.exe
1872	winserv.exe
1872	winserv.exe
1872	winserv.exe
1872	winserv.exe

Suspicious use of WriteProcessMemory 58 IoCs

Processes:

smss.execmd.exenet.execmd.exenet.execmd.exenet.execmd.exenet.execmd.exenet.execmd.exenet.execmd.exenet.exeRDPWinst.execmd.exe

description	pid	Process	procid_target
PID 4328 wrote to memory of 3220	4328	smss.exe	79
PID 4328 wrote to memory of 3220	4328	smss.exe	79
PID 4328 wrote to memory of 4536	4328	smss.exe	81
PID 4328 wrote to memory of 4536	4328	smss.exe	81
PID 4328 wrote to memory of 1388	4328	smss.exe	83
PID 4328 wrote to memory of 1388	4328	smss.exe	83
PID 4328 wrote to memory of 1388	4328	smss.exe	83
PID 4328 wrote to memory of 1880	4328	smss.exe	86
PID 4328 wrote to memory of 1880	4328	smss.exe	86
PID 1880 wrote to memory of 1860	1880	cmd.exe	88
PID 1880 wrote to memory of 1860	1880	cmd.exe	88
PID 1860 wrote to memory of 2780	1860	net.exe	89
PID 1860 wrote to memory of 2780	1860	net.exe	89
PID 4328 wrote to memory of 1868	4328	smss.exe	90
PID 4328 wrote to memory of 1868	4328	smss.exe	90
PID 1868 wrote to memory of 4188	1868	cmd.exe	92
PID 1868 wrote to memory of 4188	1868	cmd.exe	92
PID 4188 wrote to memory of 1120	4188	net.exe	93
PID 4188 wrote to memory of 1120	4188	net.exe	93
PID 4328 wrote to memory of 2956	4328	smss.exe	94
PID 4328 wrote to memory of 2956	4328	smss.exe	94
PID 2956 wrote to memory of 4656	2956	cmd.exe	96
PID 2956 wrote to memory of 4656	2956	cmd.exe	96
PID 4656 wrote to memory of 4380	4656	net.exe	97
PID 4656 wrote to memory of 4380	4656	net.exe	97
PID 4328 wrote to memory of 3892	4328	smss.exe	98
PID 4328 wrote to memory of 3892	4328	smss.exe	98
PID 3892 wrote to memory of 2320	3892	cmd.exe	100
PID 3892 wrote to memory of 2320	3892	cmd.exe	100
PID 2320 wrote to memory of 3560	2320	net.exe	101
PID 2320 wrote to memory of 3560	2320	net.exe	101
PID 4328 wrote to memory of 2988	4328	smss.exe	102
PID 4328 wrote to memory of 2988	4328	smss.exe	102
PID 2988 wrote to memory of 3088	2988	cmd.exe	104
PID 2988 wrote to memory of 3088	2988	cmd.exe	104
PID 3088 wrote to memory of 1992	3088	net.exe	105
PID 3088 wrote to memory of 1992	3088	net.exe	105
PID 4328 wrote to memory of 1540	4328	smss.exe	106
PID 4328 wrote to memory of 1540	4328	smss.exe	106
PID 1540 wrote to memory of 3380	1540	cmd.exe	108
PID 1540 wrote to memory of 3380	1540	cmd.exe	108
PID 3380 wrote to memory of 776	3380	net.exe	109
PID 3380 wrote to memory of 776	3380	net.exe	109
PID 4328 wrote to memory of 2916	4328	smss.exe	110
PID 4328 wrote to memory of 2916	4328	smss.exe	110
PID 2916 wrote to memory of 1188	2916	cmd.exe	112
PID 2916 wrote to memory of 1188	2916	cmd.exe	112
PID 1188 wrote to memory of 1112	1188	net.exe	113
PID 1188 wrote to memory of 1112	1188	net.exe	113
PID 4328 wrote to memory of 1236	4328	smss.exe	115
PID 4328 wrote to memory of 1236	4328	smss.exe	115
PID 4328 wrote to memory of 1236	4328	smss.exe	115
PID 1236 wrote to memory of 3964	1236	RDPWinst.exe	119
PID 1236 wrote to memory of 3964	1236	RDPWinst.exe	119
PID 4328 wrote to memory of 1544	4328	smss.exe	121
PID 4328 wrote to memory of 1544	4328	smss.exe	121
PID 1544 wrote to memory of 484	1544	cmd.exe	123
PID 1544 wrote to memory of 484	1544	cmd.exe	123

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\smss.exe
"C:\Users\Admin\AppData\Local\Temp\smss.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Checks processor information in registry
- Modifies registry class
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4328
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /TN "Microsoft\Windows\Wininet\winsers" /TR "\"C:\ProgramData\Windows Tasks Service\winserv.exe\" Task Service\winserv.exe" /SC MINUTE /MO 1 /RL HIGHEST
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3220
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /TN "Microsoft\Windows\Wininet\winser" /TR "\"C:\ProgramData\Windows Tasks Service\winserv.exe\" Task Service\winserv.exe" /SC ONLOGON /RL HIGHEST
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4536
- C:\ProgramData\Windows Tasks Service\winserv.exe
  "C:\ProgramData\Windows Tasks Service\winserv.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1388
- - C:\ProgramData\Windows Tasks Service\winserv.exe
    "C:\ProgramData\Windows Tasks Service\winserv.exe" -second
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:3056
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c net user John 12345 /add
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1880
- - C:\Windows\system32\net.exe
    net user John 12345 /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1860
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 user John 12345 /add
      4⤵
      PID:2780
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c net localgroup "Администраторы" John /add
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1868
- - C:\Windows\system32\net.exe
    net localgroup "Администраторы" John /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4188
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup "Администраторы" John /add
      4⤵
      PID:1120
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c net localgroup "Пользователи удаленного рабочего стола" John /add
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2956
- - C:\Windows\system32\net.exe
    net localgroup "Пользователи удаленного рабочего стола" John /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4656
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup "Пользователи удаленного рабочего стола" John /add
      4⤵
      PID:4380
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c net localgroup "Пользователи удаленного управления" john /add" John /add
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3892
- - C:\Windows\system32\net.exe
    net localgroup "Пользователи удаленного управления" john /add" John /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2320
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup "Пользователи удаленного управления" john /add" John /add
      4⤵
      PID:3560
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c net localgroup "Administrators" John /add
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Windows\system32\net.exe
    net localgroup "Administrators" John /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3088
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup "Administrators" John /add
      4⤵
      PID:1992
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c net localgroup "Administradores" John /add
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1540
- - C:\Windows\system32\net.exe
    net localgroup "Administradores" John /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3380
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup "Administradores" John /add
      4⤵
      PID:776
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c net localgroup "Remote Desktop Users" john /add
  2⤵
  - Remote Service Session Hijacking: RDP Hijacking
  - Suspicious use of WriteProcessMemory
  PID:2916
- - C:\Windows\system32\net.exe
    net localgroup "Remote Desktop Users" john /add
    3⤵
    - Remote Service Session Hijacking: RDP Hijacking
    - Suspicious use of WriteProcessMemory
    PID:1188
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup "Remote Desktop Users" john /add
      4⤵
      Remote Service Session Hijacking: RDP Hijacking
      PID:1112
- C:\ProgramData\RDPWinst.exe
  C:\ProgramData\RDPWinst.exe -i
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Modifies WinLogon
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1236
- - C:\Windows\SYSTEM32\netsh.exe
    netsh advfirewall firewall add rule name="Remote Desktop" dir=in protocol=tcp localport=3389 profile=any action=allow
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:3964
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Programdata\Install\del.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1544
- - C:\Windows\system32\timeout.exe
    timeout 5
    3⤵
    - Delays execution with timeout.exe
    PID:484

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -s TermService
1⤵
PID:1736

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -s TermService
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3532

C:\ProgramData\Windows Tasks Service\winserv.exe
"C:\ProgramData\Windows Tasks Service\winserv.exe" Task Service\winserv.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3084

C:\ProgramData\Windows Tasks Service\winserv.exe
"C:\ProgramData\Windows Tasks Service\winserv.exe" Task Service\winserv.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1092

C:\ProgramData\Windows Tasks Service\winserv.exe
"C:\ProgramData\Windows Tasks Service\winserv.exe" Task Service\winserv.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Account Manipulation

T1098

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Account Manipulation

T1098

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Permission Groups Discovery

T1069

Local Groups

T1069.001

Query Registry

System Information Discovery