General

  • Target

    f1b32217c15bfd16622fd088eff75e18aebc71e87b1400c57dc3a13e0e1057ef

  • Size

    1.9MB

  • Sample

    240605-tvfscabh4t

  • MD5

    29a8a65500e0ccee4d1f17535760491a

  • SHA1

    9965ba378679f5a9037316bf52a9fcee35d9b264

  • SHA256

    f1b32217c15bfd16622fd088eff75e18aebc71e87b1400c57dc3a13e0e1057ef

  • SHA512

    35854f89f53f095e3318552fcec2b2985aca2baa2f438ff9354e636767e6fca93f428cb6a30d2e730ace8dbd6e26df4bed34beb58a61f730a0bdcfe6f7e250db

  • SSDEEP

    24576:n/eC7bzaXi7m0oJu0LXolGLbJnR/z4+EbVbw2qug4ctOlQLernWO:nGYz0P0oMS4cdR/z4+UVi4e9Crn

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      f1b32217c15bfd16622fd088eff75e18aebc71e87b1400c57dc3a13e0e1057ef

    • Size

      1.9MB

    • MD5

      29a8a65500e0ccee4d1f17535760491a

    • SHA1

      9965ba378679f5a9037316bf52a9fcee35d9b264

    • SHA256

      f1b32217c15bfd16622fd088eff75e18aebc71e87b1400c57dc3a13e0e1057ef

    • SHA512

      35854f89f53f095e3318552fcec2b2985aca2baa2f438ff9354e636767e6fca93f428cb6a30d2e730ace8dbd6e26df4bed34beb58a61f730a0bdcfe6f7e250db

    • SSDEEP

      24576:n/eC7bzaXi7m0oJu0LXolGLbJnR/z4+EbVbw2qug4ctOlQLernWO:nGYz0P0oMS4cdR/z4+UVi4e9Crn

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks