agenttesla | 06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf

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"	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.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	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe = "0"	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.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
1876	powershell.exe
2376	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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	vbc.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	vbc.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\apihost.exe.lnk	vbc.exe

Executes dropped EXE 1 IoCs

pid	Process
1968	apihost.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe = "0"	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	vbc.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	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe

Looks up external IP address via web service 3 IoCs

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

flow	ioc
32	checkip.dyndns.org
33	api.ipify.org
35	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3352 set thread context of 2216	3352	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe	87

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	apihost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.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
4660	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2216	vbc.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1876	powershell.exe
1876	powershell.exe
2216	vbc.exe
2216	vbc.exe
2216	vbc.exe
2216	vbc.exe
2376	powershell.exe
2376	powershell.exe
2216	vbc.exe
2216	vbc.exe
2216	vbc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3352	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe
Token: SeDebugPrivilege	1876	powershell.exe
Token: SeDebugPrivilege	2216	vbc.exe
Token: SeDebugPrivilege	2376	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2216	vbc.exe
2216	vbc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 1876	3352	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe	85
PID 3352 wrote to memory of 1876	3352	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe	85
PID 3352 wrote to memory of 2216	3352	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe	87
PID 3352 wrote to memory of 2216	3352	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe	87
PID 3352 wrote to memory of 2216	3352	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe	87
PID 3352 wrote to memory of 2216	3352	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe	87
PID 3352 wrote to memory of 2216	3352	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe	87
PID 3352 wrote to memory of 2216	3352	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe	87
PID 3352 wrote to memory of 2216	3352	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe	87
PID 3352 wrote to memory of 2216	3352	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe	87
PID 3352 wrote to memory of 2216	3352	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe	87
PID 3352 wrote to memory of 4704	3352	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe	88
PID 3352 wrote to memory of 4704	3352	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe	88
PID 3352 wrote to memory of 4704	3352	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe	88
PID 2216 wrote to memory of 4660	2216	vbc.exe	107
PID 2216 wrote to memory of 4660	2216	vbc.exe	107
PID 2216 wrote to memory of 4660	2216	vbc.exe	107
PID 2216 wrote to memory of 2376	2216	vbc.exe	108
PID 2216 wrote to memory of 2376	2216	vbc.exe	108
PID 2216 wrote to memory of 2376	2216	vbc.exe	108
PID 2216 wrote to memory of 1968	2216	vbc.exe	113
PID 2216 wrote to memory of 1968	2216	vbc.exe	113
PID 2216 wrote to memory of 1968	2216	vbc.exe	113

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"	06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

C:\Users\Admin\AppData\Local\Temp\06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe
"C:\Users\Admin\AppData\Local\Temp\06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.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 AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3352
- 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\06150e8a137191d9513d89883efb3e0d3abe5839682c8340f4c4288e13b3b8bf.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1876
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - Drops startup file
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:2216
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /tn AccSys /tr "C:\Users\Admin\AppData\Roaming\ACCApi\apihost.exe" /st 09:20 /du 23:59 /sc daily /ri 1 /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4660
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\ACCApi'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2376
- - C:\Users\Admin\AppData\Roaming\ACCApi\apihost.exe
    "C:\Users\Admin\AppData\Roaming\ACCApi\apihost.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1968
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:4704

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

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