General

  • Target

    Purchase Order 4500039272 Approved.7z

  • Size

    287KB

  • Sample

    231207-nbes2shh55

  • MD5

    2ae361dad1cb28293d8b181d3866185b

  • SHA1

    164a4bb62f026b3522e1e74f05212456fb762d74

  • SHA256

    54497205fe92f27ffc0f6dfc41d9c6af69976ac4470bb65957deb035b0e6b6a3

  • SHA512

    b895b2e3c662cbc780c337e261329097a6b60ccc96002ce67b73fe99a8f35385c3794be3c93059046a90d09afb5e0d50afe324869c0de7c3544525c0b26d2580

  • SSDEEP

    6144:kXqOq4tpXRlY5FUfFhkmbNdBfgNfcTyO4XQjzQ6LbHLSy0lCg:k6Oq0BmUthkGbB3eOhzxLbr/0l

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Purchase Order 4500039272 Approved.exe

    • Size

      347KB

    • MD5

      5cef4d15bae43132b36b2db81601aa16

    • SHA1

      58ad81c84ec579dc5e15b1b84a4939d398f97481

    • SHA256

      9f468e738ac7218f377e20302bedf378c573b15e54f46b786e4a6b5a2081fc8b

    • SHA512

      33ff6dbb8e0abe7af5951abcf820f162b718825f716038c22c15f552f1a83097d32ed36f616f9b9a26859e4afcefaa86508b8ffbff1b3748fb08b78ae960588f

    • SSDEEP

      6144:p0T5IUfFhkWbNyNffNfcTyg4XQdzQ9A185RDhq+2t55VEub:ppUthk2YNiegnzJ1ADhq1/9

    • 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