General

  • Target

    a36c66fb7fdfb2639cc0ccdeaeef4e6c1a1cd103ba76309ed32777b3f2ab069d

  • Size

    758KB

  • Sample

    241122-ywvp4sxqdw

  • MD5

    f3c67cd1bbb9c8a8bcb56ee97c5a7b27

  • SHA1

    ad3397267ada55bca8d547dbb93bc79f40d138cf

  • SHA256

    a36c66fb7fdfb2639cc0ccdeaeef4e6c1a1cd103ba76309ed32777b3f2ab069d

  • SHA512

    6bd165450a9007ce4e90a120455bb9ff5914e423e99266cdc854b91aaea9376c3d54f78ab2ee034597ac90de74462f9e9e8b74b598e3d5c3b5edb834df0f757e

  • SSDEEP

    12288:grOY+Ri3AgFdh1QW4s+HCBhKBSh4/wFgfyYVWmTr6bzoAlHJ35mkR:pQ3Ag/QzsjBgBShKagfJVtv63oArD

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7180778750:AAGcpZL53RI1C6DEr2Yp4lM3UKxKArXTZ4I/

Targets

    • Target

      a36c66fb7fdfb2639cc0ccdeaeef4e6c1a1cd103ba76309ed32777b3f2ab069d

    • Size

      758KB

    • MD5

      f3c67cd1bbb9c8a8bcb56ee97c5a7b27

    • SHA1

      ad3397267ada55bca8d547dbb93bc79f40d138cf

    • SHA256

      a36c66fb7fdfb2639cc0ccdeaeef4e6c1a1cd103ba76309ed32777b3f2ab069d

    • SHA512

      6bd165450a9007ce4e90a120455bb9ff5914e423e99266cdc854b91aaea9376c3d54f78ab2ee034597ac90de74462f9e9e8b74b598e3d5c3b5edb834df0f757e

    • SSDEEP

      12288:grOY+Ri3AgFdh1QW4s+HCBhKBSh4/wFgfyYVWmTr6bzoAlHJ35mkR:pQ3Ag/QzsjBgBShKagfJVtv63oArD

    • AgentTesla

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

    • Agenttesla family

    • 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.

    • 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