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General

  • Target

    PO-020716-WA0002.pdf..exe

  • Size

    696KB

  • Sample

    240708-r29ynatfjq

  • MD5

    c51a9f02f48f2b02ecbbe5f330c211a4

  • SHA1

    394e84d7e16cf386f4b33bb2761cfb9beb13595a

  • SHA256

    636943f682f71370760679bd6afb382f5e0aacf31995624007c6541eddd62f53

  • SHA512

    085f8c471bfed18d83795cdc6acb44730c637a2b106188edda8cefbea9213923d638a107ec5052b426e0d14f2d8c7fd10f5c89c816ae5da29ca28fcf55eb46fb

  • SSDEEP

    12288:fY/SDzsiLGVTYEMaWrrdmZzaXRaHd/7g9JYms1PAo6:fY/SDDSfMhvgacd/qJYms1Yx

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.brianberrills-ie.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    k)(yecz3

Targets

    • Target

      PO-020716-WA0002.pdf..exe

    • Size

      696KB

    • MD5

      c51a9f02f48f2b02ecbbe5f330c211a4

    • SHA1

      394e84d7e16cf386f4b33bb2761cfb9beb13595a

    • SHA256

      636943f682f71370760679bd6afb382f5e0aacf31995624007c6541eddd62f53

    • SHA512

      085f8c471bfed18d83795cdc6acb44730c637a2b106188edda8cefbea9213923d638a107ec5052b426e0d14f2d8c7fd10f5c89c816ae5da29ca28fcf55eb46fb

    • SSDEEP

      12288:fY/SDzsiLGVTYEMaWrrdmZzaXRaHd/7g9JYms1PAo6:fY/SDDSfMhvgacd/qJYms1Yx

    • 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.

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks