General

  • Target

    τιμολόγια.doc

  • Size

    604KB

  • Sample

    240918-pqlqkssbkj

  • MD5

    42ad7b83b1895d01e960c956b3fa6f31

  • SHA1

    f0140678fd3890d9277c6eca53174e8c423fbf08

  • SHA256

    4f974b06ab44d235e6d30c028fb689025f8351cf7de778a18f6a2a60d7159034

  • SHA512

    20b0f48da4dacce8f841cc2dc00f67168e0eab6ed090f889b04b4c9b2481a97c09bd4bbb413dd5c5bce07dba63565398bf3f4642affba7f6fc636e7e4e287f74

  • SSDEEP

    3072:DwAlawAlawAltGLaCO5Yt7PPy1kvC42xq995fSYuw9dkKm4UKEs:DwAYwAYwAW+5YtD/T2yfHuwo5KEs

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      τιμολόγια.doc

    • Size

      604KB

    • MD5

      42ad7b83b1895d01e960c956b3fa6f31

    • SHA1

      f0140678fd3890d9277c6eca53174e8c423fbf08

    • SHA256

      4f974b06ab44d235e6d30c028fb689025f8351cf7de778a18f6a2a60d7159034

    • SHA512

      20b0f48da4dacce8f841cc2dc00f67168e0eab6ed090f889b04b4c9b2481a97c09bd4bbb413dd5c5bce07dba63565398bf3f4642affba7f6fc636e7e4e287f74

    • SSDEEP

      3072:DwAlawAlawAltGLaCO5Yt7PPy1kvC42xq995fSYuw9dkKm4UKEs:DwAYwAYwAW+5YtD/T2yfHuwo5KEs

    • AgentTesla

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks