Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    4cca0a50e84e6968361ae0db074f411a9435c7c5db43b61bbfeff7f4a5cd7a8e

  • Size

    1.9MB

  • Sample

    240528-mc171age33

  • MD5

    2e07ae73fb32645cbfbd77502b4f3f40

  • SHA1

    eb78a8ae3c81d67f5c797d17253232a75c719930

  • SHA256

    4cca0a50e84e6968361ae0db074f411a9435c7c5db43b61bbfeff7f4a5cd7a8e

  • SHA512

    49e619548542c0e7ec64bc944d98673ad50116875d28f12e256642204215abfe35167f5971e77d1f50fb84c23b4239e5de5b25b982a7ff5b2aff4d02539f4744

  • SSDEEP

    49152:CdKfTn6vmJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnVtIuoITsdZ

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

      4cca0a50e84e6968361ae0db074f411a9435c7c5db43b61bbfeff7f4a5cd7a8e

    • Size

      1.9MB

    • MD5

      2e07ae73fb32645cbfbd77502b4f3f40

    • SHA1

      eb78a8ae3c81d67f5c797d17253232a75c719930

    • SHA256

      4cca0a50e84e6968361ae0db074f411a9435c7c5db43b61bbfeff7f4a5cd7a8e

    • SHA512

      49e619548542c0e7ec64bc944d98673ad50116875d28f12e256642204215abfe35167f5971e77d1f50fb84c23b4239e5de5b25b982a7ff5b2aff4d02539f4744

    • SSDEEP

      49152:CdKfTn6vmJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnVtIuoITsdZ

    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