General

  • Target

    b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb.exe

  • Size

    720KB

  • Sample

    240228-vj3cmshc21

  • MD5

    b774ca62d4f7e4a8359a40c7cad50ddb

  • SHA1

    09467ea941b0c2c65cf908419847a7b3f948cc44

  • SHA256

    b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb

  • SHA512

    73e6c2c67cdba72866316ddd6010f9a289ab75dac8f3228a749ec1595d94c18e10b8890f77978004341a762874845ddf7b1785f388cc956b38a99eaabab5a2a7

  • SSDEEP

    12288:1lW33mzBh35KR3kWhUlZ/WYjJsRVFYF/Iu65Ho3ZFQYATaFX21Q9NtS8zVjBwCkR:rBwRbqZ/H1sRbW/Iu6FoJFJATAX21Q9A

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.elec-qatar.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    MHabrar2019@#

Targets

    • Target

      b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb.exe

    • Size

      720KB

    • MD5

      b774ca62d4f7e4a8359a40c7cad50ddb

    • SHA1

      09467ea941b0c2c65cf908419847a7b3f948cc44

    • SHA256

      b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb

    • SHA512

      73e6c2c67cdba72866316ddd6010f9a289ab75dac8f3228a749ec1595d94c18e10b8890f77978004341a762874845ddf7b1785f388cc956b38a99eaabab5a2a7

    • SSDEEP

      12288:1lW33mzBh35KR3kWhUlZ/WYjJsRVFYF/Iu65Ho3ZFQYATaFX21Q9NtS8zVjBwCkR:rBwRbqZ/H1sRbW/Iu6FoJFJATAX21Q9A

    • 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

    • Checks computer location settings

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

    • 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