agenttesla | 7124fb0df6155156b778221b452958443e0a683c3420b3a117ca20f87a1f963d

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	2b41382003c69ada2d3c768899538940.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	2b41382003c69ada2d3c768899538940.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	2b41382003c69ada2d3c768899538940.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2b41382003c69ada2d3c768899538940.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
T1552.001
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-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2b41382003c69ada2d3c768899538940.exe
Key opened	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2b41382003c69ada2d3c768899538940.exe
Key opened	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2b41382003c69ada2d3c768899538940.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	2b41382003c69ada2d3c768899538940.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	2b41382003c69ada2d3c768899538940.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2336 set thread context of 1900	2336	2b41382003c69ada2d3c768899538940.exe	37

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/Job

pid	Process
2916	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1900	2b41382003c69ada2d3c768899538940.exe
1900	2b41382003c69ada2d3c768899538940.exe
2756	powershell.exe
2196	powershell.exe
2424	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1900	2b41382003c69ada2d3c768899538940.exe
Token: SeDebugPrivilege	2756	powershell.exe
Token: SeDebugPrivilege	2196	powershell.exe
Token: SeDebugPrivilege	2424	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1900	2b41382003c69ada2d3c768899538940.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2424	2336	2b41382003c69ada2d3c768899538940.exe	30
PID 2336 wrote to memory of 2424	2336	2b41382003c69ada2d3c768899538940.exe	30
PID 2336 wrote to memory of 2424	2336	2b41382003c69ada2d3c768899538940.exe	30
PID 2336 wrote to memory of 2424	2336	2b41382003c69ada2d3c768899538940.exe	30
PID 2336 wrote to memory of 2756	2336	2b41382003c69ada2d3c768899538940.exe	33
PID 2336 wrote to memory of 2756	2336	2b41382003c69ada2d3c768899538940.exe	33
PID 2336 wrote to memory of 2756	2336	2b41382003c69ada2d3c768899538940.exe	33
PID 2336 wrote to memory of 2756	2336	2b41382003c69ada2d3c768899538940.exe	33
PID 2336 wrote to memory of 2916	2336	2b41382003c69ada2d3c768899538940.exe	35
PID 2336 wrote to memory of 2916	2336	2b41382003c69ada2d3c768899538940.exe	35
PID 2336 wrote to memory of 2916	2336	2b41382003c69ada2d3c768899538940.exe	35
PID 2336 wrote to memory of 2916	2336	2b41382003c69ada2d3c768899538940.exe	35
PID 2336 wrote to memory of 2196	2336	2b41382003c69ada2d3c768899538940.exe	39
PID 2336 wrote to memory of 2196	2336	2b41382003c69ada2d3c768899538940.exe	39
PID 2336 wrote to memory of 2196	2336	2b41382003c69ada2d3c768899538940.exe	39
PID 2336 wrote to memory of 2196	2336	2b41382003c69ada2d3c768899538940.exe	39
PID 2336 wrote to memory of 1900	2336	2b41382003c69ada2d3c768899538940.exe	37
PID 2336 wrote to memory of 1900	2336	2b41382003c69ada2d3c768899538940.exe	37
PID 2336 wrote to memory of 1900	2336	2b41382003c69ada2d3c768899538940.exe	37
PID 2336 wrote to memory of 1900	2336	2b41382003c69ada2d3c768899538940.exe	37
PID 2336 wrote to memory of 1900	2336	2b41382003c69ada2d3c768899538940.exe	37
PID 2336 wrote to memory of 1900	2336	2b41382003c69ada2d3c768899538940.exe	37
PID 2336 wrote to memory of 1900	2336	2b41382003c69ada2d3c768899538940.exe	37
PID 2336 wrote to memory of 1900	2336	2b41382003c69ada2d3c768899538940.exe	37
PID 2336 wrote to memory of 1900	2336	2b41382003c69ada2d3c768899538940.exe	37

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2b41382003c69ada2d3c768899538940.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2b41382003c69ada2d3c768899538940.exe

C:\Users\Admin\AppData\Local\Temp\2b41382003c69ada2d3c768899538940.exe
"C:\Users\Admin\AppData\Local\Temp\2b41382003c69ada2d3c768899538940.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
- Suspicious use of WriteProcessMemory
PID:2336
- 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\2b41382003c69ada2d3c768899538940.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2424
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JJxFeLP.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2756
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JJxFeLP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp64BC.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2916
- C:\Users\Admin\AppData\Local\Temp\2b41382003c69ada2d3c768899538940.exe
  "C:\Users\Admin\AppData\Local\Temp\2b41382003c69ada2d3c768899538940.exe"
  2⤵
  - 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\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JJxFeLP.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

Persistence

Scheduled Task/Job

1

Privilege Escalation

Scheduled Task/Job

1

Defense Evasion

Virtualization/Sandbox Evasion

2

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2