General

  • Target

    NEAS.4a1e905eda13c02979b5a7562cc9af45f96da810fb7fd01fe858dc998a3d78b9.exe

  • Size

    711KB

  • Sample

    231111-mbk5dsdd2x

  • MD5

    2c0a51d87d3bf16105bee87fb94b9e61

  • SHA1

    19143f0ba3126321683870dd03367802b4eadaba

  • SHA256

    4a1e905eda13c02979b5a7562cc9af45f96da810fb7fd01fe858dc998a3d78b9

  • SHA512

    3da83bc9ff7d312dda29065fd1c7222c4f3043ba1bff679aedaa50fc60801161ee1738910032587e44a75ac518dc481f39697a0d50ae5053c1711304996c3867

  • SSDEEP

    12288:q8Yk4I8Vj6DmlU9P6vJxzEYXcugdSSTyQ+W12VYw16jeDDSgG:VYBIm4mPIYXcfSS4w2VYw86DDSg

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      NEAS.4a1e905eda13c02979b5a7562cc9af45f96da810fb7fd01fe858dc998a3d78b9.exe

    • Size

      711KB

    • MD5

      2c0a51d87d3bf16105bee87fb94b9e61

    • SHA1

      19143f0ba3126321683870dd03367802b4eadaba

    • SHA256

      4a1e905eda13c02979b5a7562cc9af45f96da810fb7fd01fe858dc998a3d78b9

    • SHA512

      3da83bc9ff7d312dda29065fd1c7222c4f3043ba1bff679aedaa50fc60801161ee1738910032587e44a75ac518dc481f39697a0d50ae5053c1711304996c3867

    • SSDEEP

      12288:q8Yk4I8Vj6DmlU9P6vJxzEYXcugdSSTyQ+W12VYw16jeDDSgG:VYBIm4mPIYXcfSS4w2VYw86DDSg

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Checks computer location settings

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

    • 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.

    • Adds Run key to start application

    • 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