General

  • Target

    0e51a1fe337238a485ded423de1cad3e0ff8339256b3f57d398bcb4e93f77dd8

  • Size

    1.0MB

  • Sample

    250110-be78jswpes

  • MD5

    80f4fe7424a399eb8cb5ca6a38b98ca3

  • SHA1

    7c98eef90723bdae7e7a7048e4c73dd3ccee0d60

  • SHA256

    0e51a1fe337238a485ded423de1cad3e0ff8339256b3f57d398bcb4e93f77dd8

  • SHA512

    59e172a8f6b3565ad969c8ea76d26a9783da4eb480cb015e25eef645611a1f697770b663307e97a31f88619e1549c321d94d8314fecc85b1cab4f88a3f434f17

  • SSDEEP

    24576:U/yKZ+uOOOgYGLW9VJhZ1Q7L3qL4qImtnkCZ9ZvGa5OHW:U/yK8uOOOgFLEv71Qf6rIykCBvGa5O

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.valtronics-ae.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    YTMIlIR0

Targets

    • Target

      0e51a1fe337238a485ded423de1cad3e0ff8339256b3f57d398bcb4e93f77dd8

    • Size

      1.0MB

    • MD5

      80f4fe7424a399eb8cb5ca6a38b98ca3

    • SHA1

      7c98eef90723bdae7e7a7048e4c73dd3ccee0d60

    • SHA256

      0e51a1fe337238a485ded423de1cad3e0ff8339256b3f57d398bcb4e93f77dd8

    • SHA512

      59e172a8f6b3565ad969c8ea76d26a9783da4eb480cb015e25eef645611a1f697770b663307e97a31f88619e1549c321d94d8314fecc85b1cab4f88a3f434f17

    • SSDEEP

      24576:U/yKZ+uOOOgYGLW9VJhZ1Q7L3qL4qImtnkCZ9ZvGa5OHW:U/yK8uOOOgFLEv71Qf6rIykCBvGa5O

    • AgentTesla

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

    • Agenttesla family

    • AgentTesla payload

    • Looks for VirtualBox Guest Additions in registry

    • Command and Scripting Interpreter: PowerShell

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

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • 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

    • Maps connected drives based on registry

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks