General

  • Target
    Halkbank_Ekstre_20200527_080247_232393.pdf.exe
  • Size 398KB
  • Sample201109-4xmm6narva
  • SHA256 ea7084c6771d3582c0b95ef3cd3ce4e371cfcc7b41f358e8645e4bf4870fa2f2
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials

Extracted

Credentials

Targets

    • Target
      Halkbank_Ekstre_20200527_080247_232393.pdf.exe
    • Size 398KB
    • SHA256 ea7084c6771d3582c0b95ef3cd3ce4e371cfcc7b41f358e8645e4bf4870fa2f2
    • MD5 SHA1 SHA512
    • 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

    • rezer0

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

    • Drops file in Drivers directory

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks