agenttesla | bdbe7ce4d599a31a0eca49c7a95fd3bec0478195c693c9e9ba5ee85f7c06ffdf

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	JaffaCakes118_fdca6572666af063acc689f310ab977d.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
1660	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	JaffaCakes118_fdca6572666af063acc689f310ab977d.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

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 300 set thread context of 2740	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	36

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	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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
2580	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe
300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe
2740	RegSvcs.exe
2740	RegSvcs.exe
1660	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe
Token: SeDebugPrivilege	2740	RegSvcs.exe
Token: SeDebugPrivilege	1660	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 300 wrote to memory of 1660	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	31
PID 300 wrote to memory of 1660	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	31
PID 300 wrote to memory of 1660	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	31
PID 300 wrote to memory of 1660	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	31
PID 300 wrote to memory of 2580	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	34
PID 300 wrote to memory of 2580	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	34
PID 300 wrote to memory of 2580	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	34
PID 300 wrote to memory of 2580	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	34
PID 300 wrote to memory of 2740	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	36
PID 300 wrote to memory of 2740	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	36
PID 300 wrote to memory of 2740	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	36
PID 300 wrote to memory of 2740	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	36
PID 300 wrote to memory of 2740	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	36
PID 300 wrote to memory of 2740	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	36
PID 300 wrote to memory of 2740	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	36
PID 300 wrote to memory of 2740	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	36
PID 300 wrote to memory of 2740	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	36
PID 300 wrote to memory of 2740	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	36
PID 300 wrote to memory of 2740	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	36
PID 300 wrote to memory of 2740	300	JaffaCakes118_fdca6572666af063acc689f310ab977d.exe	36

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fdca6572666af063acc689f310ab977d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fdca6572666af063acc689f310ab977d.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:300
- 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\JaffaCakes118_fdca6572666af063acc689f310ab977d.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1660
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LhXpHbhXNhV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp35A1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2580
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2740

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

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Virtualization/Sandbox Evasion

2

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2

Lateral Movement

Collection

Email Collection