General

  • Target

    ee1f5806bdc523e06b98c513142a735ac3c16da9948c645a9916bd68cf24673b.exe

  • Size

    681KB

  • Sample

    240326-dkgznacd62

  • MD5

    ca2e7abccc5cb10dce5c6e7374fe5a35

  • SHA1

    4c4ff642534ebb32d4edd6c752f6309ee9fbcf02

  • SHA256

    ee1f5806bdc523e06b98c513142a735ac3c16da9948c645a9916bd68cf24673b

  • SHA512

    badc6a66922e810322e6e7f4876de5bf2d7e67322c7ecc03847aca201f4c79b4017abbfaf30145adaa201c348579c36880de6c21a30d6911257799dff2c89526

  • SSDEEP

    12288:BJggC74CMw3iOdiDSZnRtnt9iXSSfI5qIFngvpZsG9WxzQaU3y:BJgFoOdjtnOSKPhh6GEQn3

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6240128422:AAGfewUxVcQqKio_MV181yAuk31JpsBcgy8/

Targets

    • Target

      ee1f5806bdc523e06b98c513142a735ac3c16da9948c645a9916bd68cf24673b.exe

    • Size

      681KB

    • MD5

      ca2e7abccc5cb10dce5c6e7374fe5a35

    • SHA1

      4c4ff642534ebb32d4edd6c752f6309ee9fbcf02

    • SHA256

      ee1f5806bdc523e06b98c513142a735ac3c16da9948c645a9916bd68cf24673b

    • SHA512

      badc6a66922e810322e6e7f4876de5bf2d7e67322c7ecc03847aca201f4c79b4017abbfaf30145adaa201c348579c36880de6c21a30d6911257799dff2c89526

    • SSDEEP

      12288:BJggC74CMw3iOdiDSZnRtnt9iXSSfI5qIFngvpZsG9WxzQaU3y:BJgFoOdjtnOSKPhh6GEQn3

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables packed with SmartAssembly

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • 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