General

  • Target

    e44389aac5bf04439b0786276568be0c_JaffaCakes118

  • Size

    488KB

  • Sample

    240916-h3slbsvfkp

  • MD5

    e44389aac5bf04439b0786276568be0c

  • SHA1

    b73de6e9343ef028b18d3e1ae162237e3b8ac1b9

  • SHA256

    cfec0f8ad0a8eb02df64eefa46d486869e9e19c4ec203e8b8f1defddc9000025

  • SHA512

    fa17a14943d01cb98760b56b8fe354b0adaefc1ab9d7dddc696d12f28c133dcfa1771258da0c84cc53f55f478935add6c5c9b66ec496e68c940e020537cc2896

  • SSDEEP

    12288:Jqb70RjxaEK7MIarqTy8FkdKhELaxdaS7/uuG/xQVZX:J87Cxa77MIarZAUPUl5G/KVZX

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Shipment Details.exe

    • Size

      652KB

    • MD5

      848f32374aff34d10233e89796e1b799

    • SHA1

      999f1cb4fac32f3f8e97e21b1c44186540c14d2d

    • SHA256

      3c359f5677b780cc968723ceca8310ed20ae4bf691bd9900c7d334303b101776

    • SHA512

      8db7b8ec33834c6b122596558889e501565413cbc3638884cb68e9b437aa1b9fd872ffededace9ee1acb1b52ac412c2f4b5b3792cfb0191d347e61e4e0edf5ea

    • SSDEEP

      12288:JCGDah87AwmYuxpXGAIO5P0wtuknzuYtgwM++ro:WqAwqRIS9t7ptgwMRro

    • AgentTesla

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

    • AgentTesla payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • 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 v15

Tasks