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-Order #24560274 for 8,380 USD.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-Order #24560274 for 8,380 USD.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\Payment-Order #24560274 for 8,380 USD.exe = "0"	Payment-Order #24560274 for 8,380 USD.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
3512	powershell.exe
4636	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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	Payment-Order #24560274 for 8,380 USD.exe

Executes dropped EXE 1 IoCs

pid	Process
3212	dmnxcg.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-Order #24560274 for 8,380 USD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	Payment-Order #24560274 for 8,380 USD.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\Payment-Order #24560274 for 8,380 USD.exe = "0"	Payment-Order #24560274 for 8,380 USD.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-Order #24560274 for 8,380 USD.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Payment-Order #24560274 for 8,380 USD.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4948 set thread context of 3764	4948	Payment-Order #24560274 for 8,380 USD.exe	85
PID 3212 set thread context of 1208	3212	dmnxcg.exe	113

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	regsvcs.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	jsc.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3512	powershell.exe
3512	powershell.exe
4636	powershell.exe
4636	powershell.exe
3764	regsvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3512	powershell.exe
Token: SeDebugPrivilege	3764	regsvcs.exe
Token: SeDebugPrivilege	4636	powershell.exe
Token: SeDebugPrivilege	1208	jsc.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 3512	4948	Payment-Order #24560274 for 8,380 USD.exe	83
PID 4948 wrote to memory of 3512	4948	Payment-Order #24560274 for 8,380 USD.exe	83
PID 4948 wrote to memory of 3764	4948	Payment-Order #24560274 for 8,380 USD.exe	85
PID 4948 wrote to memory of 3764	4948	Payment-Order #24560274 for 8,380 USD.exe	85
PID 4948 wrote to memory of 3764	4948	Payment-Order #24560274 for 8,380 USD.exe	85
PID 4948 wrote to memory of 3764	4948	Payment-Order #24560274 for 8,380 USD.exe	85
PID 4948 wrote to memory of 3764	4948	Payment-Order #24560274 for 8,380 USD.exe	85
PID 4948 wrote to memory of 3764	4948	Payment-Order #24560274 for 8,380 USD.exe	85
PID 4948 wrote to memory of 3764	4948	Payment-Order #24560274 for 8,380 USD.exe	85
PID 4948 wrote to memory of 3764	4948	Payment-Order #24560274 for 8,380 USD.exe	85
PID 4948 wrote to memory of 4988	4948	Payment-Order #24560274 for 8,380 USD.exe	86
PID 4948 wrote to memory of 4988	4948	Payment-Order #24560274 for 8,380 USD.exe	86
PID 4948 wrote to memory of 4988	4948	Payment-Order #24560274 for 8,380 USD.exe	86
PID 3764 wrote to memory of 4456	3764	regsvcs.exe	107
PID 3764 wrote to memory of 4456	3764	regsvcs.exe	107
PID 3764 wrote to memory of 4456	3764	regsvcs.exe	107
PID 4456 wrote to memory of 4636	4456	cmd.exe	109
PID 4456 wrote to memory of 4636	4456	cmd.exe	109
PID 4456 wrote to memory of 4636	4456	cmd.exe	109
PID 4636 wrote to memory of 3212	4636	powershell.exe	110
PID 4636 wrote to memory of 3212	4636	powershell.exe	110
PID 3212 wrote to memory of 1064	3212	dmnxcg.exe	111
PID 3212 wrote to memory of 1064	3212	dmnxcg.exe	111
PID 3212 wrote to memory of 1064	3212	dmnxcg.exe	111
PID 3212 wrote to memory of 1292	3212	dmnxcg.exe	112
PID 3212 wrote to memory of 1292	3212	dmnxcg.exe	112
PID 3212 wrote to memory of 1292	3212	dmnxcg.exe	112
PID 3212 wrote to memory of 1208	3212	dmnxcg.exe	113
PID 3212 wrote to memory of 1208	3212	dmnxcg.exe	113
PID 3212 wrote to memory of 1208	3212	dmnxcg.exe	113
PID 3212 wrote to memory of 1208	3212	dmnxcg.exe	113
PID 3212 wrote to memory of 1208	3212	dmnxcg.exe	113
PID 3212 wrote to memory of 1208	3212	dmnxcg.exe	113
PID 3212 wrote to memory of 1208	3212	dmnxcg.exe	113
PID 3212 wrote to memory of 1208	3212	dmnxcg.exe	113
PID 3212 wrote to memory of 1856	3212	dmnxcg.exe	114
PID 3212 wrote to memory of 1856	3212	dmnxcg.exe	114
PID 3212 wrote to memory of 1856	3212	dmnxcg.exe	114

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-Order #24560274 for 8,380 USD.exe

C:\Users\Admin\AppData\Local\Temp\Payment-Order #24560274 for 8,380 USD.exe
"C:\Users\Admin\AppData\Local\Temp\Payment-Order #24560274 for 8,380 USD.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:4948
- 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-Order #24560274 for 8,380 USD.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3512
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3764
- - 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\dmnxcg.exe"' & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4456
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\dmnxcg.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:4636
    - - C:\Users\Admin\AppData\Local\Temp\dmnxcg.exe
        
        "C:\Users\Admin\AppData\Local\Temp\dmnxcg.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:3212
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
        6⤵
        
        PID:1064
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
        6⤵
        
        PID:1292
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:1208
      - C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
        6⤵
        
        PID:1856
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
  2⤵
  PID:4988

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