agenttesla | b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd

Virtualization/Sandbox Evasion

Processes:

b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.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

Processes:

b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

Processes:

b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.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

Processes:

b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

description	pid	process	target process
PID 2548 set thread context of 4972	2548	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

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

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
T1053

Processes:

schtasks.exe

pid process

1428 schtasks.exe

pid	process
1428	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exepowershell.exeb472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

pid	process
2548	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe
2548	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe
2548	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe
3380	powershell.exe
2548	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe
4972	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe
4972	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe
3380	powershell.exe
4972	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exepowershell.exeb472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

description	pid	process
Token: SeDebugPrivilege	2548	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe
Token: SeDebugPrivilege	3380	powershell.exe
Token: SeDebugPrivilege	4972	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

pid process

4972 b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

pid	process
4972	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

outlook_office_path 1 IoCs

Processes:

b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

outlook_win_path 1 IoCs

Processes:

b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe

C:\Users\Admin\AppData\Local\Temp\b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe
"C:\Users\Admin\AppData\Local\Temp\b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wvWkFgwJLDJG.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3380
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wvWkFgwJLDJG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp67B3.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1428
- C:\Users\Admin\AppData\Local\Temp\b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe
  "C:\Users\Admin\AppData\Local\Temp\b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe"
  2⤵
  PID:1880
- C:\Users\Admin\AppData\Local\Temp\b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe
  "C:\Users\Admin\AppData\Local\Temp\b472343a9ac7b5969b40f22b90771cdee7210913d348e966ce4ed7540bcb9ddd.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4972

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Virtualization/Sandbox Evasion

2

Credential Access

Credentials in Files

3

T1081

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

4

Virtualization/Sandbox Evasion

2