Overview

overview

10

Static

static

btl.exe

windows7_x64

10

btl.exe

windows10_x64

10

Sharing

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General

  • Target
    btl.exe
  • Size 1.8MB
  • Sample201102-3jfgp8jhca
  • SHA256 8bad16db1bd40fbc6e6fa8a9a9efd9f3bf8e95dd83af238625ee3f1f1ff1950c
  • MD5 SHA1 SHA512
Score
10/10
agentteslakeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

  • agenttesla

C2

  • https://api.telegram.org/bot1394541177:AAE6fCE2MaLuLyQ2uGkiqBzcYa6csPGwM5Q/sendDocument

Targets

    • Target
      btl.exe
    • Size 1.8MB
    • SHA256 8bad16db1bd40fbc6e6fa8a9a9efd9f3bf8e95dd83af238625ee3f1f1ff1950c
    • MD5 SHA1 SHA512
    Score
    10/10
    agentteslakeyloggerpersistencespywarestealertrojan

    • AgentTesla

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

      keyloggertrojanstealerspywareagenttesla

    • Modifies WinLogon for persistence

      persistence

    • AgentTesla Payload

    • Drops startup file

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spyware

    • Reads user/profile data of local email clients

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

      spyware

    • Reads user/profile data of web browsers

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

      spyware

    • Adds Run key to start application

      persistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks