General

  • Target

    8dcaa9517e12efc21dde0ab0726d65c4df9a80d7fa61e070274c5592c4edc282

  • Size

    2.4MB

  • Sample

    240607-apgb5sec9s

  • MD5

    f62074a51b0cd0a3619baf6701b3a9ae

  • SHA1

    a1ef522a3fb7052ba9c27375e58e226ca9e60ab3

  • SHA256

    8dcaa9517e12efc21dde0ab0726d65c4df9a80d7fa61e070274c5592c4edc282

  • SHA512

    ae61889a0a5ad0ac771c17e789dbf346b9ca2824d1186f0ec68df862225a196305b7b7f697357c57ea6e75f447bdc18caf3907147199ddd4315f4360fd0744fd

  • SSDEEP

    49152:wQc81KnB/a/hNT/dJYa8aesY3Ot4N7G/:wDta/hNT/dJn0etD/

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

      8dcaa9517e12efc21dde0ab0726d65c4df9a80d7fa61e070274c5592c4edc282

    • Size

      2.4MB

    • MD5

      f62074a51b0cd0a3619baf6701b3a9ae

    • SHA1

      a1ef522a3fb7052ba9c27375e58e226ca9e60ab3

    • SHA256

      8dcaa9517e12efc21dde0ab0726d65c4df9a80d7fa61e070274c5592c4edc282

    • SHA512

      ae61889a0a5ad0ac771c17e789dbf346b9ca2824d1186f0ec68df862225a196305b7b7f697357c57ea6e75f447bdc18caf3907147199ddd4315f4360fd0744fd

    • SSDEEP

      49152:wQc81KnB/a/hNT/dJYa8aesY3Ot4N7G/:wDta/hNT/dJn0etD/

    • 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