General

  • Target

    46a13ef0149e6bf476639fe069430f0d61987decfadbc200f39bae36ab950283

  • Size

    2.4MB

  • Sample

    240606-3sy1ksdh3v

  • MD5

    14342b81208144df4b7a78ac9c3f2697

  • SHA1

    af886a028dcc2d03d3e60e77b27af469250c6cf6

  • SHA256

    46a13ef0149e6bf476639fe069430f0d61987decfadbc200f39bae36ab950283

  • SHA512

    de0f5e4e7d6ff97d2991e007c4da8edb46a93ab183f98f95571bd4f3608b18e28597462abea650c77e4a7bc15bd9a656d3038d0a5ae1e91886ad82469f905bd8

  • SSDEEP

    49152:wQc81KnB/a/hNT/dVYa8aesY3Ot4N7G/:wDta/hNT/dVn0etD/

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

      46a13ef0149e6bf476639fe069430f0d61987decfadbc200f39bae36ab950283

    • Size

      2.4MB

    • MD5

      14342b81208144df4b7a78ac9c3f2697

    • SHA1

      af886a028dcc2d03d3e60e77b27af469250c6cf6

    • SHA256

      46a13ef0149e6bf476639fe069430f0d61987decfadbc200f39bae36ab950283

    • SHA512

      de0f5e4e7d6ff97d2991e007c4da8edb46a93ab183f98f95571bd4f3608b18e28597462abea650c77e4a7bc15bd9a656d3038d0a5ae1e91886ad82469f905bd8

    • SSDEEP

      49152:wQc81KnB/a/hNT/dVYa8aesY3Ot4N7G/:wDta/hNT/dVn0etD/

    • 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