General

  • Target

    c47c7cf2497d0df514193831ccc475b1935bf8305142c5668ffab62b40f6afd8

  • Size

    2.4MB

  • Sample

    240601-jvaafseg2x

  • MD5

    24e1697efcc92b0c3951cce68507a76d

  • SHA1

    8874bf37e8d06ffc7e87c1f90db164cad90be0e6

  • SHA256

    c47c7cf2497d0df514193831ccc475b1935bf8305142c5668ffab62b40f6afd8

  • SHA512

    f1c84ebec174896ae55241a25e702397804b36bf5a39749f888fe367e49b1fb7fca99113dd14a361b1fe253fc91837d875358a061f32aef6b8fe2ac22e2cb9ff

  • 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

      c47c7cf2497d0df514193831ccc475b1935bf8305142c5668ffab62b40f6afd8

    • Size

      2.4MB

    • MD5

      24e1697efcc92b0c3951cce68507a76d

    • SHA1

      8874bf37e8d06ffc7e87c1f90db164cad90be0e6

    • SHA256

      c47c7cf2497d0df514193831ccc475b1935bf8305142c5668ffab62b40f6afd8

    • SHA512

      f1c84ebec174896ae55241a25e702397804b36bf5a39749f888fe367e49b1fb7fca99113dd14a361b1fe253fc91837d875358a061f32aef6b8fe2ac22e2cb9ff

    • 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

    • 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