asyncrat | e8f6dc455cea42a08feb8fcf5a34928864d537ec5ec905576cee58c9fabd6a5f

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"	Payment-Order24560274for8380USD.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	Payment-Order24560274for8380USD.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\Payment-Order24560274for8380USD.exe = "0"	Payment-Order24560274for8380USD.exe

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4656	powershell.exe
3632	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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	Payment-Order24560274for8380USD.exe

Executes dropped EXE 1 IoCs

pid	Process
1280	wcqlkp.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	Payment-Order24560274for8380USD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	Payment-Order24560274for8380USD.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\Payment-Order24560274for8380USD.exe = "0"	Payment-Order24560274for8380USD.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	Payment-Order24560274for8380USD.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Payment-Order24560274for8380USD.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3484 set thread context of 3336	3484	Payment-Order24560274for8380USD.exe	85
PID 1280 set thread context of 4196	1280	wcqlkp.exe	109

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 4 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	installutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msbuild.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4656	powershell.exe
4656	powershell.exe
3632	powershell.exe
3632	powershell.exe
3336	installutil.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4656	powershell.exe
Token: SeDebugPrivilege	3336	installutil.exe
Token: SeDebugPrivilege	3632	powershell.exe
Token: SeDebugPrivilege	4196	msbuild.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3484 wrote to memory of 4656	3484	Payment-Order24560274for8380USD.exe	83
PID 3484 wrote to memory of 4656	3484	Payment-Order24560274for8380USD.exe	83
PID 3484 wrote to memory of 3336	3484	Payment-Order24560274for8380USD.exe	85
PID 3484 wrote to memory of 3336	3484	Payment-Order24560274for8380USD.exe	85
PID 3484 wrote to memory of 3336	3484	Payment-Order24560274for8380USD.exe	85
PID 3484 wrote to memory of 3336	3484	Payment-Order24560274for8380USD.exe	85
PID 3484 wrote to memory of 3336	3484	Payment-Order24560274for8380USD.exe	85
PID 3484 wrote to memory of 3336	3484	Payment-Order24560274for8380USD.exe	85
PID 3484 wrote to memory of 3336	3484	Payment-Order24560274for8380USD.exe	85
PID 3484 wrote to memory of 3336	3484	Payment-Order24560274for8380USD.exe	85
PID 3484 wrote to memory of 1196	3484	Payment-Order24560274for8380USD.exe	86
PID 3484 wrote to memory of 1196	3484	Payment-Order24560274for8380USD.exe	86
PID 3484 wrote to memory of 1196	3484	Payment-Order24560274for8380USD.exe	86
PID 3336 wrote to memory of 2452	3336	installutil.exe	105
PID 3336 wrote to memory of 2452	3336	installutil.exe	105
PID 3336 wrote to memory of 2452	3336	installutil.exe	105
PID 2452 wrote to memory of 3632	2452	cmd.exe	107
PID 2452 wrote to memory of 3632	2452	cmd.exe	107
PID 2452 wrote to memory of 3632	2452	cmd.exe	107
PID 3632 wrote to memory of 1280	3632	powershell.exe	108
PID 3632 wrote to memory of 1280	3632	powershell.exe	108
PID 1280 wrote to memory of 4196	1280	wcqlkp.exe	109
PID 1280 wrote to memory of 4196	1280	wcqlkp.exe	109
PID 1280 wrote to memory of 4196	1280	wcqlkp.exe	109
PID 1280 wrote to memory of 4196	1280	wcqlkp.exe	109
PID 1280 wrote to memory of 4196	1280	wcqlkp.exe	109
PID 1280 wrote to memory of 4196	1280	wcqlkp.exe	109
PID 1280 wrote to memory of 4196	1280	wcqlkp.exe	109
PID 1280 wrote to memory of 4196	1280	wcqlkp.exe	109
PID 1280 wrote to memory of 4796	1280	wcqlkp.exe	110
PID 1280 wrote to memory of 4796	1280	wcqlkp.exe	110
PID 1280 wrote to memory of 4796	1280	wcqlkp.exe	110

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"	Payment-Order24560274for8380USD.exe

C:\Users\Admin\AppData\Local\Temp\Payment-Order24560274for8380USD.exe
"C:\Users\Admin\AppData\Local\Temp\Payment-Order24560274for8380USD.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:3484
- 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\Payment-Order24560274for8380USD.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4656
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3336
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c start /b powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\wcqlkp.exe"' & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2452
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\wcqlkp.exe"'
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3632
    - - C:\Users\Admin\AppData\Local\Temp\wcqlkp.exe
        
        "C:\Users\Admin\AppData\Local\Temp\wcqlkp.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:1280
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:4196
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
        6⤵
        
        PID:4796
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  PID:1196

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