Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    3144597548e676862adce959fc3a6d575813a64c0ab0c5531faf60f12056ff98

  • Size

    2.0MB

  • Sample

    240525-nnwx4aeg71

  • MD5

    f001fe770e635d69ce739e0126a82d40

  • SHA1

    5d339a8017e309bee38419614c3cae21e87aa4b1

  • SHA256

    3144597548e676862adce959fc3a6d575813a64c0ab0c5531faf60f12056ff98

  • SHA512

    b4e98a48897183b2322821a35b8cdee5a8af210124e379b4aa729f97783a0db1acf883457c995a70e99a7fecd06c638bc816d6f34c0397ead60072ad14e66646

  • SSDEEP

    49152:s4K3x1vUqJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18qtIuoITsdZ

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199689717899

https://t.me/copterwin
Attributes
  • user_agent

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

Targets

    • Target

      3144597548e676862adce959fc3a6d575813a64c0ab0c5531faf60f12056ff98

    • Size

      2.0MB

    • MD5

      f001fe770e635d69ce739e0126a82d40

    • SHA1

      5d339a8017e309bee38419614c3cae21e87aa4b1

    • SHA256

      3144597548e676862adce959fc3a6d575813a64c0ab0c5531faf60f12056ff98

    • SHA512

      b4e98a48897183b2322821a35b8cdee5a8af210124e379b4aa729f97783a0db1acf883457c995a70e99a7fecd06c638bc816d6f34c0397ead60072ad14e66646

    • SSDEEP

      49152:s4K3x1vUqJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18qtIuoITsdZ

    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