General

  • Target

    c5ede20ffafcd5a794af3bea7ac1f7817a399da89c4c28903d319afd8b76ea4d.zip

  • Size

    689KB

  • Sample

    240612-cm1zwayeja

  • MD5

    b703eab715fb836477a1fe00bd73b435

  • SHA1

    a74103ed668a4edd102e6ad6ac7853ee1127d8ce

  • SHA256

    c5ede20ffafcd5a794af3bea7ac1f7817a399da89c4c28903d319afd8b76ea4d

  • SHA512

    e133a588002bbb1dff08156808aa5de17b24d1f2cef8c365c8ddfe8e39b7db9aca48f54fc4e6eedcae80be0d12adc9e7755f842c39c17c23ddecce74f2371f2b

  • SSDEEP

    12288:JEOBm8W5lHiIO4zIk66TFPlxVlZvfJeFl7BMCcjXheC6iikzUE8li1CwfiNNOmG:JEXVpx9PLXoDdKjXheBP6gRwqNNOB

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Consigment Docs.exe

    • Size

      712KB

    • MD5

      d1022b868084f1b66bfa7886d99beb6a

    • SHA1

      260ea9ea5fc5169f4e0c4801cf1bbb8f1b77c2d2

    • SHA256

      ae56de5b8d4d89c0644b5dca19f74228561188657b2c6b034837c6c51572ff8a

    • SHA512

      6b59f5edcf84ce66f40e26fc8bba0f913ca2a21b909fa55e6071bfe0342b42b5f75a1e89c87b8178979f8cb39be253272b3959154af8ba12a8ece63d5f782620

    • SSDEEP

      12288:LaCR5leZlN2EwXWoS+fTRzbiuaGvIAs7BMCqjXfaCmiikzaG8liSeXgj3HRYojzN:G+ergZWo31G/JdEjXfa/P6unLHh/F

    • 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.

    • 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