General

  • Target

    bef13e2a13e638d90c59d3f907b5f989.exe

  • Size

    324KB

  • Sample

    230104-p1sa4sfe87

  • MD5

    bef13e2a13e638d90c59d3f907b5f989

  • SHA1

    d12154bed6e973bea01b07f8b3e6af27decab73f

  • SHA256

    36bdcbf6b5dc9188b19c540648f2a359337d16c61b9b43cae6a5a10ab860af92

  • SHA512

    fd979fe64d8b6874511caa1a2b1a592af478f75f1dfc74478a17f7e26356107ea9f14c3938dc0fd69d448ff3d2daf6bc5f022593f088150695bffa0545364fc3

  • SSDEEP

    6144:gYa6Xb6rpsvn85M7WqiBskrkYzEzbid6+h+P5Rr6UMG:gY6psU5OWqiB1keQbSmH

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      bef13e2a13e638d90c59d3f907b5f989.exe

    • Size

      324KB

    • MD5

      bef13e2a13e638d90c59d3f907b5f989

    • SHA1

      d12154bed6e973bea01b07f8b3e6af27decab73f

    • SHA256

      36bdcbf6b5dc9188b19c540648f2a359337d16c61b9b43cae6a5a10ab860af92

    • SHA512

      fd979fe64d8b6874511caa1a2b1a592af478f75f1dfc74478a17f7e26356107ea9f14c3938dc0fd69d448ff3d2daf6bc5f022593f088150695bffa0545364fc3

    • SSDEEP

      6144:gYa6Xb6rpsvn85M7WqiBskrkYzEzbid6+h+P5Rr6UMG:gY6psU5OWqiB1keQbSmH

    • AgentTesla

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

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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 v6

Tasks