General

  • Target

    df5883555f9b9581460fba69ce524510dc7320eb7e2b8fe7aeb86a71faf20c78

  • Size

    1.8MB

  • Sample

    240604-a1d16afg95

  • MD5

    66a215b2825cef9f37f62679b580e92e

  • SHA1

    9bdd28d713a1d88431ff58d57e90eb68b9ab3ddc

  • SHA256

    df5883555f9b9581460fba69ce524510dc7320eb7e2b8fe7aeb86a71faf20c78

  • SHA512

    84bbadd2cec25d74bba8243e5f039d37eb4998bb932f45cab63f2791430b5d8f3e1336be840e3ead434ebde96aabbc9b65a42bc42f842d21cf7f498223dc0938

  • SSDEEP

    24576:W7YfUB7F1931tbUYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbUYa8aesY3Ot4N7G/

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

      df5883555f9b9581460fba69ce524510dc7320eb7e2b8fe7aeb86a71faf20c78

    • Size

      1.8MB

    • MD5

      66a215b2825cef9f37f62679b580e92e

    • SHA1

      9bdd28d713a1d88431ff58d57e90eb68b9ab3ddc

    • SHA256

      df5883555f9b9581460fba69ce524510dc7320eb7e2b8fe7aeb86a71faf20c78

    • SHA512

      84bbadd2cec25d74bba8243e5f039d37eb4998bb932f45cab63f2791430b5d8f3e1336be840e3ead434ebde96aabbc9b65a42bc42f842d21cf7f498223dc0938

    • SSDEEP

      24576:W7YfUB7F1931tbUYaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtbUYa8aesY3Ot4N7G/

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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