General

  • Target

    b7e37b3d0a0a89735d83b563d34d56420c568512068e7b239c3c3e3043dbc05d

  • Size

    2.4MB

  • Sample

    240601-jac6lseg25

  • MD5

    6c61c504a20917d3335b5b44abfb4085

  • SHA1

    98f4d1b497060eba49cdadeb9402bc2a277dae31

  • SHA256

    b7e37b3d0a0a89735d83b563d34d56420c568512068e7b239c3c3e3043dbc05d

  • SHA512

    92de318e12ab174408a78b76767aee18dea2add34a6027403bf8536ff1bfe817d6ef86dd7f7816bd5f1b7acd33e6e4de4bf5fe8a04d1459f39d450223e02b238

  • SSDEEP

    49152:wQc81KnB/a/hNT/d1Ya8aesY3Ot4N7G/:wDta/hNT/d1n0etD/

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

      b7e37b3d0a0a89735d83b563d34d56420c568512068e7b239c3c3e3043dbc05d

    • Size

      2.4MB

    • MD5

      6c61c504a20917d3335b5b44abfb4085

    • SHA1

      98f4d1b497060eba49cdadeb9402bc2a277dae31

    • SHA256

      b7e37b3d0a0a89735d83b563d34d56420c568512068e7b239c3c3e3043dbc05d

    • SHA512

      92de318e12ab174408a78b76767aee18dea2add34a6027403bf8536ff1bfe817d6ef86dd7f7816bd5f1b7acd33e6e4de4bf5fe8a04d1459f39d450223e02b238

    • SSDEEP

      49152:wQc81KnB/a/hNT/d1Ya8aesY3Ot4N7G/:wDta/hNT/d1n0etD/

    • 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