agenttesla | 1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d

Bypass User Account Control

T1088

Disabling Security 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

Disabling Security 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

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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
392	svchost.exe

Windows security modification 2 TTPs 3 IoCs

Disabling Security Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.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

Looks up external IP address via web service 2 IoCs

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

flow	ioc
14	api.ipify.org
15	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 392 set thread context of 1900	392	svchost.exe	100

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

pid	Process
420	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
616	timeout.exe

Suspicious behavior: EnumeratesProcesses 44 IoCs

pid	Process
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
1296	powershell.exe
392	svchost.exe
392	svchost.exe
392	svchost.exe
392	svchost.exe
392	svchost.exe
392	svchost.exe
392	svchost.exe
392	svchost.exe
392	svchost.exe
392	svchost.exe
392	svchost.exe
392	svchost.exe
392	svchost.exe
392	svchost.exe
392	svchost.exe
392	svchost.exe
1296	powershell.exe
1900	AddInProcess32.exe
1900	AddInProcess32.exe
1900	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
Token: SeDebugPrivilege	392	svchost.exe
Token: SeDebugPrivilege	1296	powershell.exe
Token: SeDebugPrivilege	1900	AddInProcess32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1900	AddInProcess32.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2596	2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe	85
PID 2424 wrote to memory of 2596	2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe	85
PID 2424 wrote to memory of 2796	2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe	86
PID 2424 wrote to memory of 2796	2424	1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe	86
PID 2796 wrote to memory of 616	2796	cmd.exe	88
PID 2796 wrote to memory of 616	2796	cmd.exe	88
PID 2596 wrote to memory of 420	2596	cmd.exe	89
PID 2596 wrote to memory of 420	2596	cmd.exe	89
PID 2796 wrote to memory of 392	2796	cmd.exe	90
PID 2796 wrote to memory of 392	2796	cmd.exe	90
PID 392 wrote to memory of 1296	392	svchost.exe	91
PID 392 wrote to memory of 1296	392	svchost.exe	91
PID 392 wrote to memory of 1028	392	svchost.exe	93
PID 392 wrote to memory of 1028	392	svchost.exe	93
PID 392 wrote to memory of 1960	392	svchost.exe	94
PID 392 wrote to memory of 1960	392	svchost.exe	94
PID 392 wrote to memory of 1368	392	svchost.exe	96
PID 392 wrote to memory of 1368	392	svchost.exe	96
PID 392 wrote to memory of 1248	392	svchost.exe	95
PID 392 wrote to memory of 1248	392	svchost.exe	95
PID 392 wrote to memory of 4260	392	svchost.exe	97
PID 392 wrote to memory of 4260	392	svchost.exe	97
PID 392 wrote to memory of 4752	392	svchost.exe	98
PID 392 wrote to memory of 4752	392	svchost.exe	98
PID 392 wrote to memory of 4140	392	svchost.exe	99
PID 392 wrote to memory of 4140	392	svchost.exe	99
PID 392 wrote to memory of 2096	392	svchost.exe	101
PID 392 wrote to memory of 2096	392	svchost.exe	101
PID 392 wrote to memory of 1900	392	svchost.exe	100
PID 392 wrote to memory of 1900	392	svchost.exe	100
PID 392 wrote to memory of 1900	392	svchost.exe	100
PID 392 wrote to memory of 1900	392	svchost.exe	100
PID 392 wrote to memory of 1900	392	svchost.exe	100
PID 392 wrote to memory of 1900	392	svchost.exe	100
PID 392 wrote to memory of 1900	392	svchost.exe	100
PID 392 wrote to memory of 1900	392	svchost.exe	100

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

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe
"C:\Users\Admin\AppData\Local\Temp\1f9d1b268f67bc64c145ba149a9b0ecbce8e08d3d8149732b77022278089f97d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2424
- 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:2596
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
    3⤵
    - Creates scheduled task(s)
    PID:420
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7535.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:616
- - 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:392
  - - 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⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1296
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SMSvcHost.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SMSvcHost.exe"
      4⤵
      PID:1028
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\EdmGen.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\EdmGen.exe"
      4⤵
      PID:1960
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:1248
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe"
      4⤵
      PID:1368
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regbrowsers.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regbrowsers.exe"
      4⤵
      PID:4260
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngentask.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngentask.exe"
      4⤵
      PID:4752
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Microsoft.Workflow.Compiler.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Microsoft.Workflow.Compiler.exe"
      4⤵
      PID:4140
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe"
      4⤵
      Accesses Microsoft Outlook profiles
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      outlook_office_path
      outlook_win_path
      PID:1900
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ComSvcConfig.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ComSvcConfig.exe"
      4⤵
      PID:2096

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

Privilege Escalation

Bypass User Account Control

T1088

Scheduled Task

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry