agenttesla | 53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
4764	powershell.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe
Key opened	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe
Key opened	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2484 set thread context of 3676	2484	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe	97

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4764	powershell.exe
3676	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe
3676	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe
4764	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4764	powershell.exe
Token: SeDebugPrivilege	3676	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 4764	2484	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe	95
PID 2484 wrote to memory of 4764	2484	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe	95
PID 2484 wrote to memory of 4764	2484	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe	95
PID 2484 wrote to memory of 3676	2484	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe	97
PID 2484 wrote to memory of 3676	2484	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe	97
PID 2484 wrote to memory of 3676	2484	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe	97
PID 2484 wrote to memory of 3676	2484	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe	97
PID 2484 wrote to memory of 3676	2484	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe	97
PID 2484 wrote to memory of 3676	2484	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe	97
PID 2484 wrote to memory of 3676	2484	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe	97
PID 2484 wrote to memory of 3676	2484	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe

C:\Users\Admin\AppData\Local\Temp\53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe
"C:\Users\Admin\AppData\Local\Temp\53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4764
- C:\Users\Admin\AppData\Local\Temp\53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe
  "C:\Users\Admin\AppData\Local\Temp\53c1c210775e65d335f886ef4205a292a4eaf722d234f4b8b4516e22386ab2ac.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion