General

  • Target

    wvP.exe

  • Size

    722KB

  • Sample

    240914-q9wwbsxgja

  • MD5

    b33d730136cae062a912aebbdf3364d4

  • SHA1

    2aa45f4bff155e5f2b717c3108ed60eb4e82f7d8

  • SHA256

    83bd0492ad4599669d45f30993c0f6758940875008ee00a2b460f85566e1afee

  • SHA512

    8a5a0654b6afae7d791b4c4c1236b28925a7e0d25d04e9b82f26c73e95a6abd7173067a7f81167ec6107ed9b3dcbb2004b2feab4c77d2c4f9c9ba17893554924

  • SSDEEP

    12288:MWYIPXjxannnHg2tJVf4E/c3xVnBv66wHVKk8zbHPdeXfiD/KzKkjbD5T:MWYIPFannnHg2dQ8cx6LKkkbvdeQK+K

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5419172676:AAGNCqb7KIw9SSEGRFeD_N3VWL9qYPGdqaw/

Targets

    • Target

      wvP.exe

    • Size

      722KB

    • MD5

      b33d730136cae062a912aebbdf3364d4

    • SHA1

      2aa45f4bff155e5f2b717c3108ed60eb4e82f7d8

    • SHA256

      83bd0492ad4599669d45f30993c0f6758940875008ee00a2b460f85566e1afee

    • SHA512

      8a5a0654b6afae7d791b4c4c1236b28925a7e0d25d04e9b82f26c73e95a6abd7173067a7f81167ec6107ed9b3dcbb2004b2feab4c77d2c4f9c9ba17893554924

    • SSDEEP

      12288:MWYIPXjxannnHg2tJVf4E/c3xVnBv66wHVKk8zbHPdeXfiD/KzKkjbD5T:MWYIPFannnHg2dQ8cx6LKkkbvdeQK+K

    • AgentTesla

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • 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.

    • 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