General

  • Target

    9a7207b44d5b3eed28dd8265530bc82f178469f5cba31fdf9f660b7b7e4bf2a0

  • Size

    1.9MB

  • Sample

    240606-njpm8add9z

  • MD5

    4e28e690c0fea482ed9fb34cb7e2220c

  • SHA1

    fd9b453cf997efc22c315aaa7b0abe7b40816db3

  • SHA256

    9a7207b44d5b3eed28dd8265530bc82f178469f5cba31fdf9f660b7b7e4bf2a0

  • SHA512

    8c09f575a37058d5327b034ae2cbbb6c74b1e9e898e28800d01112bdfcd5af12cd46c94ca41c0405fb316d71fbe6a4e9c3cd550fe30efb2226ec8cfc0ad782ca

  • SSDEEP

    24576:n/eC7bzaXi7m04Ju0LXolGLbJnR/z4+EbVbw2qug4ctOlQLernWO:nGYz0P04MS4cdR/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

      9a7207b44d5b3eed28dd8265530bc82f178469f5cba31fdf9f660b7b7e4bf2a0

    • Size

      1.9MB

    • MD5

      4e28e690c0fea482ed9fb34cb7e2220c

    • SHA1

      fd9b453cf997efc22c315aaa7b0abe7b40816db3

    • SHA256

      9a7207b44d5b3eed28dd8265530bc82f178469f5cba31fdf9f660b7b7e4bf2a0

    • SHA512

      8c09f575a37058d5327b034ae2cbbb6c74b1e9e898e28800d01112bdfcd5af12cd46c94ca41c0405fb316d71fbe6a4e9c3cd550fe30efb2226ec8cfc0ad782ca

    • SSDEEP

      24576:n/eC7bzaXi7m04Ju0LXolGLbJnR/z4+EbVbw2qug4ctOlQLernWO:nGYz0P04MS4cdR/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