General

  • Target

    ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c

  • Size

    2.4MB

  • Sample

    240603-gpkg5afb52

  • MD5

    c195f865edc7bafe41a46abf49a51d92

  • SHA1

    dd5def2ab5fa5470ee67f2b2bb840a41679381f1

  • SHA256

    ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c

  • SHA512

    5e44ac1490da7a91313de1a8a8a38c4a5f941beba3bbb83e2b3a4ecc1e21ce0556150108468582097f7e39c2cb8f61749eb41b517c635e142e2f208356bbd432

  • SSDEEP

    49152:wQc81KnB/a/hNT/dFYa8aesY3Ot4N7G/:wDta/hNT/dFn0etD/

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

      ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c

    • Size

      2.4MB

    • MD5

      c195f865edc7bafe41a46abf49a51d92

    • SHA1

      dd5def2ab5fa5470ee67f2b2bb840a41679381f1

    • SHA256

      ba25b560ebdd410dfe51ab41b5a7ccbecd3d3491ab556a47e747683c22552d2c

    • SHA512

      5e44ac1490da7a91313de1a8a8a38c4a5f941beba3bbb83e2b3a4ecc1e21ce0556150108468582097f7e39c2cb8f61749eb41b517c635e142e2f208356bbd432

    • SSDEEP

      49152:wQc81KnB/a/hNT/dFYa8aesY3Ot4N7G/:wDta/hNT/dFn0etD/

    • 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