General

  • Target

    c30befc99303cfc82c0aea4a6e8d3fb009e94a27be5517c1f16a302aafc4ef65

  • Size

    2.4MB

  • Sample

    240603-gtbe1seb3y

  • MD5

    426f4ce1b8e421a9540a988f03d98317

  • SHA1

    2586f888adde0830a211bb4d9ad9be5cdb0b78a1

  • SHA256

    c30befc99303cfc82c0aea4a6e8d3fb009e94a27be5517c1f16a302aafc4ef65

  • SHA512

    20c62c8a39f9d34e03f48e4745661a46cb27d7599ee342446352ba6327f3f5109a019c97faf6433508b3390ee11dc478bd47e9bee943aca0894f23f64a976df4

  • SSDEEP

    49152:wQc81KnB/a/hNT/dpYa8aesY3Ot4N7G/:wDta/hNT/dpn0etD/

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

      c30befc99303cfc82c0aea4a6e8d3fb009e94a27be5517c1f16a302aafc4ef65

    • Size

      2.4MB

    • MD5

      426f4ce1b8e421a9540a988f03d98317

    • SHA1

      2586f888adde0830a211bb4d9ad9be5cdb0b78a1

    • SHA256

      c30befc99303cfc82c0aea4a6e8d3fb009e94a27be5517c1f16a302aafc4ef65

    • SHA512

      20c62c8a39f9d34e03f48e4745661a46cb27d7599ee342446352ba6327f3f5109a019c97faf6433508b3390ee11dc478bd47e9bee943aca0894f23f64a976df4

    • SSDEEP

      49152:wQc81KnB/a/hNT/dpYa8aesY3Ot4N7G/:wDta/hNT/dpn0etD/

    • 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