Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target
    a302be0fe26ce02082aab349227e0dc65e4040d23e1f596310d5b62ecbb5a41c
  • Size 2.4MB
  • Sample240609-prskhsbc42
  • SHA256 a302be0fe26ce02082aab349227e0dc65e4040d23e1f596310d5b62ecbb5a41c
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

  • stealc

rc4.plain

Extracted

Family

  • vidar

C2

  • https://t.me/r8z0l

  • https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target
      a302be0fe26ce02082aab349227e0dc65e4040d23e1f596310d5b62ecbb5a41c
    • Size 2.4MB
    • SHA256 a302be0fe26ce02082aab349227e0dc65e4040d23e1f596310d5b62ecbb5a41c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    stealcvidardiscoveryspywarestealer

    • Detect Vidar Stealer

      stealer

    • Stealc

      Stealc is an infostealer written in C++.

      stealerstealc

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • 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.

      spywarestealer

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks