General

  • Target

    58c468eb6c6c1c30e136a4c6eb71d894188609b6eb176fb13e72848735790530.exe

  • Size

    614KB

  • Sample

    240320-cqwvbsfa7w

  • MD5

    a679bef30ec85c76410da363baf6b367

  • SHA1

    1f06f372b712fbd74d4f5ccd6753de95f759dcdd

  • SHA256

    58c468eb6c6c1c30e136a4c6eb71d894188609b6eb176fb13e72848735790530

  • SHA512

    1605e3280dda7a4c251ad8e05259f8fac9ed072fcd095cf645980324452abc42ceeb87eb314caa2cabd9a628f75ac1a981cad3e1b769043f93e737b91765af77

  • SSDEEP

    12288:MYZWPU5XjkRgU2Ej/xE7v9ksWXRisRmUNEG2HFtChdTZcigRh:1HXjkzHjC6tXRisRmg2lt49cR

Malware Config

Extracted

Family

agenttesla

C2

https://discordapp.com/api/webhooks/1209857093079924746/aRqkMI9ucnV7HnU-fejtpg1DyaC4R3yGnT_b8inR8VBAY9G-4x9zyP7I4nNnmj3b-zVu

Targets

    • Target

      58c468eb6c6c1c30e136a4c6eb71d894188609b6eb176fb13e72848735790530.exe

    • Size

      614KB

    • MD5

      a679bef30ec85c76410da363baf6b367

    • SHA1

      1f06f372b712fbd74d4f5ccd6753de95f759dcdd

    • SHA256

      58c468eb6c6c1c30e136a4c6eb71d894188609b6eb176fb13e72848735790530

    • SHA512

      1605e3280dda7a4c251ad8e05259f8fac9ed072fcd095cf645980324452abc42ceeb87eb314caa2cabd9a628f75ac1a981cad3e1b769043f93e737b91765af77

    • SSDEEP

      12288:MYZWPU5XjkRgU2Ej/xE7v9ksWXRisRmUNEG2HFtChdTZcigRh:1HXjkzHjC6tXRisRmg2lt49cR

    • 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

    • Checks computer location settings

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

    • 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