agenttesla | 901284065d9965909444432aaa22ac55a74d64a8c5932712777cb2f020b3e01c

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1980726966-773384374-2129981223-1000\Control Panel\International\Geo\Nation	SecuriteInfo.com.Win32.PWSX-gen.19335.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1980726966-773384374-2129981223-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1980726966-773384374-2129981223-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1980726966-773384374-2129981223-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1980726966-773384374-2129981223-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wSStSI = "C:\\Users\\Admin\\AppData\\Roaming\\wSStSI\\wSStSI.exe"	MSBuild.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
44	api.ipify.org
45	api.ipify.org

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{532D3171-A857-41E0-B910-A0B1E1E5A677}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4560 set thread context of 688	4560	SecuriteInfo.com.Win32.PWSX-gen.19335.exe	92

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

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

T1053

pid	Process
2460	schtasks.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4560	SecuriteInfo.com.Win32.PWSX-gen.19335.exe
688	MSBuild.exe
688	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4560	SecuriteInfo.com.Win32.PWSX-gen.19335.exe
Token: SeDebugPrivilege	688	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 2460	4560	SecuriteInfo.com.Win32.PWSX-gen.19335.exe	90
PID 4560 wrote to memory of 2460	4560	SecuriteInfo.com.Win32.PWSX-gen.19335.exe	90
PID 4560 wrote to memory of 2460	4560	SecuriteInfo.com.Win32.PWSX-gen.19335.exe	90
PID 4560 wrote to memory of 688	4560	SecuriteInfo.com.Win32.PWSX-gen.19335.exe	92
PID 4560 wrote to memory of 688	4560	SecuriteInfo.com.Win32.PWSX-gen.19335.exe	92
PID 4560 wrote to memory of 688	4560	SecuriteInfo.com.Win32.PWSX-gen.19335.exe	92
PID 4560 wrote to memory of 688	4560	SecuriteInfo.com.Win32.PWSX-gen.19335.exe	92
PID 4560 wrote to memory of 688	4560	SecuriteInfo.com.Win32.PWSX-gen.19335.exe	92
PID 4560 wrote to memory of 688	4560	SecuriteInfo.com.Win32.PWSX-gen.19335.exe	92
PID 4560 wrote to memory of 688	4560	SecuriteInfo.com.Win32.PWSX-gen.19335.exe	92
PID 4560 wrote to memory of 688	4560	SecuriteInfo.com.Win32.PWSX-gen.19335.exe	92

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1980726966-773384374-2129981223-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1980726966-773384374-2129981223-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.19335.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.19335.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4560
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TKgTIYemK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp288D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2460
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:688

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

4

System Information Discovery

4

Lateral Movement

Collection

Email Collection