General

  • Target

    586e9f3425efbdd31ed9e4c1365254bbb165374690bf739b24b15fe1e9df057d

  • Size

    2.4MB

  • Sample

    240606-3y76fafa84

  • MD5

    ef0d15b7f313ed0278533d65a2fc87e6

  • SHA1

    0b712e1d4fefcc9c1535f16d291a9dd57485372e

  • SHA256

    586e9f3425efbdd31ed9e4c1365254bbb165374690bf739b24b15fe1e9df057d

  • SHA512

    216ddbbd6ef5cf565d90990261dc6c7fd8039349972b86abf4cc76cae5bb158a4ca78add5992622b3f54b610293701b77db72e711049f58725a59feaab839bd2

  • SSDEEP

    49152:wQc81KnB/a/hNT/ddYa8aesY3Ot4N7G/:wDta/hNT/ddn0etD/

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

      586e9f3425efbdd31ed9e4c1365254bbb165374690bf739b24b15fe1e9df057d

    • Size

      2.4MB

    • MD5

      ef0d15b7f313ed0278533d65a2fc87e6

    • SHA1

      0b712e1d4fefcc9c1535f16d291a9dd57485372e

    • SHA256

      586e9f3425efbdd31ed9e4c1365254bbb165374690bf739b24b15fe1e9df057d

    • SHA512

      216ddbbd6ef5cf565d90990261dc6c7fd8039349972b86abf4cc76cae5bb158a4ca78add5992622b3f54b610293701b77db72e711049f58725a59feaab839bd2

    • SSDEEP

      49152:wQc81KnB/a/hNT/ddYa8aesY3Ot4N7G/:wDta/hNT/ddn0etD/

    • 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