General

  • Target

    6cb2aac5524a46c2a394104d7b882b06f65ca95d62e39aa47f758e9708c4072c

  • Size

    513KB

  • Sample

    220521-pbezgsabep

  • MD5

    6cfd53e466cea9de8d510716bcf2641f

  • SHA1

    cffc8bc3df7471a7b72323cbf14898987093b932

  • SHA256

    6cb2aac5524a46c2a394104d7b882b06f65ca95d62e39aa47f758e9708c4072c

  • SHA512

    86c3f9d2cf50902763e75e00c3f9f9ee7f438f5328ef04e71c67ce8eaccc96c6b56b13da82285ccf650cff5d6b668b432d8b77a92423ae0247308d8551c4c6d2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ereglitso.org.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    #(G=xru&3R-8

Targets

    • Target

      BOOKING 6x20' AGL.pdf.exe

    • Size

      604KB

    • MD5

      67d52644b5e58b57b81cddcd40bce613

    • SHA1

      5c027479621a99fcc91a5cb4f1df952e5f20a47b

    • SHA256

      62433e4de86d61a56cfc3333382d8a43d666a4839415a88ceca53a0754e06636

    • SHA512

      3a09e502752180cb9a967cbb3095e515c0d0493c184254bdce4c76ab8fb4c2bb7667606a2f243741cd2496f90c85152d6a78eef605e3a55ae6e67f8f9c5b0c55

    • AgentTesla

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

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

    • AgentTesla Payload

    • CoreCCC Packer

      Detects CoreCCC packer used to load .NET malware.

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • Checks computer location settings

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

    • 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 Enterprise v6

Tasks