General

  • Target

    fe2a9ae78a0634c404db5100489e946283cfedf0240ddf57e7b4f17dfec30162.exe

  • Size

    816KB

  • Sample

    240516-cd2vtafd6x

  • MD5

    e75e4386354d6dbb1f3a9aa9d610d40c

  • SHA1

    0471d2f18919dfe5494df5f336a81211774f85c6

  • SHA256

    fe2a9ae78a0634c404db5100489e946283cfedf0240ddf57e7b4f17dfec30162

  • SHA512

    7c19a4e3486d5540459ccf0fc0f164016de13f7c4184bc6e6064db69beea461255bb515c521dfa51ef60330a46cc1be84e1ce1b10fdbc6610f3d8ea95daab7f2

  • SSDEEP

    12288:TVTeElSskSKSIwjB8/m9D+lQNKD1mkoWC3E+f/humh4taX6zio:prlSJSNIs++9D+liNkI0+f/hzy9

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      fe2a9ae78a0634c404db5100489e946283cfedf0240ddf57e7b4f17dfec30162.exe

    • Size

      816KB

    • MD5

      e75e4386354d6dbb1f3a9aa9d610d40c

    • SHA1

      0471d2f18919dfe5494df5f336a81211774f85c6

    • SHA256

      fe2a9ae78a0634c404db5100489e946283cfedf0240ddf57e7b4f17dfec30162

    • SHA512

      7c19a4e3486d5540459ccf0fc0f164016de13f7c4184bc6e6064db69beea461255bb515c521dfa51ef60330a46cc1be84e1ce1b10fdbc6610f3d8ea95daab7f2

    • SSDEEP

      12288:TVTeElSskSKSIwjB8/m9D+lQNKD1mkoWC3E+f/humh4taX6zio:prlSJSNIs++9D+liNkI0+f/hzy9

    • 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