General

  • Target

    405728d134c1cefc1080144f8cf1cba98af80fdfc65b918b89263741cc395ae2.exe

  • Size

    850KB

  • Sample

    240612-bqcwsaxekg

  • MD5

    450756a09ab64b58aaa3c0e2613ee1b7

  • SHA1

    b4666f18cb21d499fe05a5e9e55a4b77560d1e06

  • SHA256

    405728d134c1cefc1080144f8cf1cba98af80fdfc65b918b89263741cc395ae2

  • SHA512

    ee5242a43615f84f126d3e195d556ecf85b60c4c24ab99738a489fecc03fdf0fcafe73ba1c89b2618ee61056ad54816fc5c9c13d3da1f0af445ab87c0ca26b36

  • SSDEEP

    24576:Lg61jjk0LAta9AuHDITy+oL0NcH6dCn5rUqh6iH7Z:nA80Nc8Cn5rnh6w7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Qb.X[.j.Yfm[

Targets

    • Target

      405728d134c1cefc1080144f8cf1cba98af80fdfc65b918b89263741cc395ae2.exe

    • Size

      850KB

    • MD5

      450756a09ab64b58aaa3c0e2613ee1b7

    • SHA1

      b4666f18cb21d499fe05a5e9e55a4b77560d1e06

    • SHA256

      405728d134c1cefc1080144f8cf1cba98af80fdfc65b918b89263741cc395ae2

    • SHA512

      ee5242a43615f84f126d3e195d556ecf85b60c4c24ab99738a489fecc03fdf0fcafe73ba1c89b2618ee61056ad54816fc5c9c13d3da1f0af445ab87c0ca26b36

    • SSDEEP

      24576:Lg61jjk0LAta9AuHDITy+oL0NcH6dCn5rUqh6iH7Z:nA80Nc8Cn5rnh6w7

    • 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 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks