General

  • Target

    YoudaoDictexe.exe

  • Size

    6.8MB

  • Sample

    240103-sre6zaaae9

  • MD5

    ff3d9c5dcde804a90e862de9c1d32a8c

  • SHA1

    04b0da40346d661a11e9e899daec104ee77c6606

  • SHA256

    a238bd522702802eb2a2b71b4b00a1a1553b1c2fff0d8b9e50b13e999cabbdf3

  • SHA512

    288e716dd70bedd1cebdc7582f44d969050de9ffe387ae0b9363937fc41b62eedb1faba1fd0cead9a05ba96a880df4d00727e60cde2606a16849e8a5cf266ac3

  • SSDEEP

    12288:IPvAXg30gk3yrkb+/nCSnilwUOSFaoAiTI2MHPwrQKUs6:IgpbOROQ3s6

Malware Config

Extracted

Family

marsstealer

Botnet

Default

C2

www.moscow-post.ru/ryuka/grocktack/fdzeiw.php

Targets

    • Target

      YoudaoDictexe.exe

    • Size

      6.8MB

    • MD5

      ff3d9c5dcde804a90e862de9c1d32a8c

    • SHA1

      04b0da40346d661a11e9e899daec104ee77c6606

    • SHA256

      a238bd522702802eb2a2b71b4b00a1a1553b1c2fff0d8b9e50b13e999cabbdf3

    • SHA512

      288e716dd70bedd1cebdc7582f44d969050de9ffe387ae0b9363937fc41b62eedb1faba1fd0cead9a05ba96a880df4d00727e60cde2606a16849e8a5cf266ac3

    • SSDEEP

      12288:IPvAXg30gk3yrkb+/nCSnilwUOSFaoAiTI2MHPwrQKUs6:IgpbOROQ3s6

    • Mars Stealer

      An infostealer written in C++ based on other infostealers.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

MITRE ATT&CK Enterprise v15

Tasks