Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    de5f6453be3771548a1bc5cc4d6f4c5cccb3bff0d0add68fbb5ec88d87d19637

  • Size

    1.9MB

  • Sample

    240528-kb9rmsdf23

  • MD5

    94022b87c452877a8b3138fc5d2eadc3

  • SHA1

    c1dbed0339a01772fe8b4378370656812c49e69a

  • SHA256

    de5f6453be3771548a1bc5cc4d6f4c5cccb3bff0d0add68fbb5ec88d87d19637

  • SHA512

    ab2dda380fe8f1cbe6b396d838c4ceac6fa4f3eee7c9cba4f4d6c5aaefe74804c7b7be14c9a97acac7e28971d3de9ea64ec86429f10b21e2646d488ad8021638

  • SSDEEP

    49152:CdKfTn6v+JtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTn1tIuoITsdZ

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

      de5f6453be3771548a1bc5cc4d6f4c5cccb3bff0d0add68fbb5ec88d87d19637

    • Size

      1.9MB

    • MD5

      94022b87c452877a8b3138fc5d2eadc3

    • SHA1

      c1dbed0339a01772fe8b4378370656812c49e69a

    • SHA256

      de5f6453be3771548a1bc5cc4d6f4c5cccb3bff0d0add68fbb5ec88d87d19637

    • SHA512

      ab2dda380fe8f1cbe6b396d838c4ceac6fa4f3eee7c9cba4f4d6c5aaefe74804c7b7be14c9a97acac7e28971d3de9ea64ec86429f10b21e2646d488ad8021638

    • SSDEEP

      49152:CdKfTn6v+JtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTn1tIuoITsdZ

    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