General

  • Target

    859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe

  • Size

    585KB

  • Sample

    240523-rdx9ysdg76

  • MD5

    dd3fba3f07cccaca8c79bcc64a2990d6

  • SHA1

    561ee5c2a12d3336cf9c997bc50fe75ef097cbc0

  • SHA256

    859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2

  • SHA512

    288a24d0f99e19bce4b63248a38456df39b82bb113bfa9359a108c6f90554394237480c452f3f80c22aa9470f81a226cad4173faf8fb1e0b8c1d9740fbd51b67

  • SSDEEP

    12288:IlYifTjl00g/LqWMw0tdjpBfXZ7z2cJlh9j01U9w7wAtxYRWoHn3+:HiN9gDH0JpNX1z2cJlCU9wwu

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2.exe

    • Size

      585KB

    • MD5

      dd3fba3f07cccaca8c79bcc64a2990d6

    • SHA1

      561ee5c2a12d3336cf9c997bc50fe75ef097cbc0

    • SHA256

      859ce543eead04b946a2d77d7d2a9342cfdfad1698fef1d442cb51fe6429eef2

    • SHA512

      288a24d0f99e19bce4b63248a38456df39b82bb113bfa9359a108c6f90554394237480c452f3f80c22aa9470f81a226cad4173faf8fb1e0b8c1d9740fbd51b67

    • SSDEEP

      12288:IlYifTjl00g/LqWMw0tdjpBfXZ7z2cJlh9j01U9w7wAtxYRWoHn3+:HiN9gDH0JpNX1z2cJlCU9wwu

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Tasks