General

  • Target

    81313224ee12f9a06f36e6f47f95f01b1bc30e94bf9c576f3c476b3633a0302b.exe

  • Size

    1.1MB

  • Sample

    250110-rwv8bayrbq

  • MD5

    c63d82258f1ff64d0f21b6bc5c2be1e5

  • SHA1

    1f270b930f58dacf5f18b2658191ca300283ada0

  • SHA256

    81313224ee12f9a06f36e6f47f95f01b1bc30e94bf9c576f3c476b3633a0302b

  • SHA512

    df1c4a894fdb4497aa62b9c0b06ca6abd5c60c701c56a0e5cf36530ba5d746a9a9a757a1a9da2767a91e846d7bdf4a17db7b157f65333fd2de960aae7c722509

  • SSDEEP

    12288:9pZsSjq5o5LUdMyQHuvKp35UZ27TfqSPwYbQsrEOW0tF:9zsQM/vKIE7TCSj8Cr5F

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      81313224ee12f9a06f36e6f47f95f01b1bc30e94bf9c576f3c476b3633a0302b.exe

    • Size

      1.1MB

    • MD5

      c63d82258f1ff64d0f21b6bc5c2be1e5

    • SHA1

      1f270b930f58dacf5f18b2658191ca300283ada0

    • SHA256

      81313224ee12f9a06f36e6f47f95f01b1bc30e94bf9c576f3c476b3633a0302b

    • SHA512

      df1c4a894fdb4497aa62b9c0b06ca6abd5c60c701c56a0e5cf36530ba5d746a9a9a757a1a9da2767a91e846d7bdf4a17db7b157f65333fd2de960aae7c722509

    • SSDEEP

      12288:9pZsSjq5o5LUdMyQHuvKp35UZ27TfqSPwYbQsrEOW0tF:9zsQM/vKIE7TCSj8Cr5F

    • 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