General

  • Target

    5844e9441b8bc94bef7fb7f77ef42b69d9afee7093b513aa2224cca2aafcd449

  • Size

    1.6MB

  • Sample

    240612-jx7zhavfph

  • MD5

    d30aa42f820296887715f7394b286367

  • SHA1

    b2e2199ddbc95116a3eb723d0f1412d1c75b50b8

  • SHA256

    5844e9441b8bc94bef7fb7f77ef42b69d9afee7093b513aa2224cca2aafcd449

  • SHA512

    fd86b017a1d662907760b539dbc28b696784a9366c3ff7b50d778eeef5db6a4c3aac1d30678a3bd551c5980800f1963244f82efd3259835a1be45b4b6f38ea68

  • SSDEEP

    24576:spM5863IGfTAVpalB0UfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6B0UkxVVChjHZQs

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

      5844e9441b8bc94bef7fb7f77ef42b69d9afee7093b513aa2224cca2aafcd449

    • Size

      1.6MB

    • MD5

      d30aa42f820296887715f7394b286367

    • SHA1

      b2e2199ddbc95116a3eb723d0f1412d1c75b50b8

    • SHA256

      5844e9441b8bc94bef7fb7f77ef42b69d9afee7093b513aa2224cca2aafcd449

    • SHA512

      fd86b017a1d662907760b539dbc28b696784a9366c3ff7b50d778eeef5db6a4c3aac1d30678a3bd551c5980800f1963244f82efd3259835a1be45b4b6f38ea68

    • SSDEEP

      24576:spM5863IGfTAVpalB0UfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6B0UkxVVChjHZQs

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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 Matrix ATT&CK v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks