General

  • Target

    432a76f26de5993ed48365fd360a26a52a907d15602dab534bb3acb75d00356c

  • Size

    2.0MB

  • Sample

    240603-fxdh4scg2y

  • MD5

    ee3cebb4598acccf26bb37f4a81ce6b8

  • SHA1

    f9afa88d03baf030b8561b7bfb1d43a681f39a73

  • SHA256

    432a76f26de5993ed48365fd360a26a52a907d15602dab534bb3acb75d00356c

  • SHA512

    6f85e5f1b2bc63400fc42b36195a21dab21a6fc8df1d7ab6c1a290d9ea4c5cc5146f0636756c6fc60ccf1c3c61ade55572132d812db4429bd3385882f30f17f7

  • SSDEEP

    49152:eqtdPVosJEAz/+VHA58ljrIY+96lJS9bZ:e6d9fJhc7jvedZ

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/ta904ek

https://steamcommunity.com/profiles/76561199695752269

Attributes
  • user_agent

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

Targets

    • Target

      432a76f26de5993ed48365fd360a26a52a907d15602dab534bb3acb75d00356c

    • Size

      2.0MB

    • MD5

      ee3cebb4598acccf26bb37f4a81ce6b8

    • SHA1

      f9afa88d03baf030b8561b7bfb1d43a681f39a73

    • SHA256

      432a76f26de5993ed48365fd360a26a52a907d15602dab534bb3acb75d00356c

    • SHA512

      6f85e5f1b2bc63400fc42b36195a21dab21a6fc8df1d7ab6c1a290d9ea4c5cc5146f0636756c6fc60ccf1c3c61ade55572132d812db4429bd3385882f30f17f7

    • SSDEEP

      49152:eqtdPVosJEAz/+VHA58ljrIY+96lJS9bZ:e6d9fJhc7jvedZ

    • 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

    • Loads dropped DLL

    • 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