General

  • Target

    0937db05f9825fd32a3418c2a2036896da92fff451d05cd0ec1f0e713c06dd2d

  • Size

    189KB

  • Sample

    231207-c5vwksaea6

  • MD5

    3a1465089ba79f5463130adfcb9ef647

  • SHA1

    f7c8db38416277ad982b6aa7c134761abf2d3066

  • SHA256

    0937db05f9825fd32a3418c2a2036896da92fff451d05cd0ec1f0e713c06dd2d

  • SHA512

    c4d90650fa09a8c290455b6c911b5455554e18b4185f8405c46a34a3475567992f1dd52f7b34d4dbf789381b87344a3a766e74c251c6bfe08ac2fd6ecb5a93c1

  • SSDEEP

    768:3wAbZSibMX9gRWjtwAbZSibMX9gRWjuuvK9laxlywPKKckNZPsE8GYmAKp:3wAlRkwAlRoowLKKDZPZ8GYmTp

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      0937db05f9825fd32a3418c2a2036896da92fff451d05cd0ec1f0e713c06dd2d

    • Size

      189KB

    • MD5

      3a1465089ba79f5463130adfcb9ef647

    • SHA1

      f7c8db38416277ad982b6aa7c134761abf2d3066

    • SHA256

      0937db05f9825fd32a3418c2a2036896da92fff451d05cd0ec1f0e713c06dd2d

    • SHA512

      c4d90650fa09a8c290455b6c911b5455554e18b4185f8405c46a34a3475567992f1dd52f7b34d4dbf789381b87344a3a766e74c251c6bfe08ac2fd6ecb5a93c1

    • SSDEEP

      768:3wAbZSibMX9gRWjtwAbZSibMX9gRWjuuvK9laxlywPKKckNZPsE8GYmAKp:3wAlRkwAlRoowLKKDZPZ8GYmTp

    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks