General

  • Target

    496ca27f7e8427d6c14a393566ba75c0bd9d1725eaf9cca5149d8455e5c34db7

  • Size

    1.1MB

  • Sample

    220302-qqfd8sgfhj

  • MD5

    8a454a6fe865069a359c36f6bc9da694

  • SHA1

    80c8f7b3902325618a32fabcbc975a5ef72defbc

  • SHA256

    496ca27f7e8427d6c14a393566ba75c0bd9d1725eaf9cca5149d8455e5c34db7

  • SHA512

    85712d31099d68634cc5e0c9d519e8ffb0db68112e5b249ed0414cfac102e4c78fc16bd7c1aac9987a429b2ae77238a9291fb8b76989f43cdc5bfca1f7fd63bf

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5276989987:AAF82wMzHIuNJUhln-W_Qu0JnglF2cbw1SM/sendDocument

Targets

    • Target

      496ca27f7e8427d6c14a393566ba75c0bd9d1725eaf9cca5149d8455e5c34db7

    • Size

      1.1MB

    • MD5

      8a454a6fe865069a359c36f6bc9da694

    • SHA1

      80c8f7b3902325618a32fabcbc975a5ef72defbc

    • SHA256

      496ca27f7e8427d6c14a393566ba75c0bd9d1725eaf9cca5149d8455e5c34db7

    • SHA512

      85712d31099d68634cc5e0c9d519e8ffb0db68112e5b249ed0414cfac102e4c78fc16bd7c1aac9987a429b2ae77238a9291fb8b76989f43cdc5bfca1f7fd63bf

    • AgentTesla

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

    • AgentTesla Payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Accesses Microsoft Outlook profiles

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks