agenttesla | abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99

Virtualization/Sandbox Evasion

Processes:

abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.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:

abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.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:

abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.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
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:

abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.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:

abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

description	pid	process	target process
PID 4660 set thread context of 5036	4660	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.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

1980 schtasks.exe

pid	process
1980	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeabc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

pid	process
5056	powershell.exe
5056	powershell.exe
5036	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe
5036	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeabc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

description	pid	process
Token: SeDebugPrivilege	5056	powershell.exe
Token: SeDebugPrivilege	5036	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

description	pid	process	target process
PID 4660 wrote to memory of 5056	4660	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe	powershell.exe
PID 4660 wrote to memory of 5056	4660	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe	powershell.exe
PID 4660 wrote to memory of 5056	4660	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe	powershell.exe
PID 4660 wrote to memory of 1980	4660	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe	schtasks.exe
PID 4660 wrote to memory of 1980	4660	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe	schtasks.exe
PID 4660 wrote to memory of 1980	4660	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe	schtasks.exe
PID 4660 wrote to memory of 5036	4660	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe
PID 4660 wrote to memory of 5036	4660	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe
PID 4660 wrote to memory of 5036	4660	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe
PID 4660 wrote to memory of 5036	4660	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe
PID 4660 wrote to memory of 5036	4660	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe
PID 4660 wrote to memory of 5036	4660	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe
PID 4660 wrote to memory of 5036	4660	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe
PID 4660 wrote to memory of 5036	4660	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

outlook_office_path 1 IoCs

Processes:

abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

outlook_win_path 1 IoCs

Processes:

abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe

C:\Users\Admin\AppData\Local\Temp\abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe
"C:\Users\Admin\AppData\Local\Temp\abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.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:4660

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mNyjlyzGeWUO.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5056

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mNyjlyzGeWUO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp30C4.tmp"
2⤵
- Creates scheduled task(s)
PID:1980

C:\Users\Admin\AppData\Local\Temp\abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe
"C:\Users\Admin\AppData\Local\Temp\abc25bebac98ea131ee3197ca6c68e52c376d6aa8228e09aa6c9fab636a88f99.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:5036

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

5

Virtualization/Sandbox Evasion

System Information Discovery

4

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Data from Local System

T1005

Email Collection