Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    ef22d55c84b223cc1eaffcdaa55bb7691a05650ac3662a766ffb7973fcb36579

  • Size

    2.0MB

  • Sample

    240524-r4v8aahf2z

  • MD5

    e8533921d44b93ebe4177c0f929c684b

  • SHA1

    639a59827dc3726a9acf5203e2d0bd85ecbffc7c

  • SHA256

    ef22d55c84b223cc1eaffcdaa55bb7691a05650ac3662a766ffb7973fcb36579

  • SHA512

    28f74b613c2f42451b12161bb2b0bac5e8b164d7bf2b1ff1f6f08d4a1b87a6c1b55271f523964cd4a044e62322b9ea5784890939b35648b577a97776e93264e3

  • SSDEEP

    49152:s4K3x1vUCJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18CtIuoITsdZ

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

      ef22d55c84b223cc1eaffcdaa55bb7691a05650ac3662a766ffb7973fcb36579

    • Size

      2.0MB

    • MD5

      e8533921d44b93ebe4177c0f929c684b

    • SHA1

      639a59827dc3726a9acf5203e2d0bd85ecbffc7c

    • SHA256

      ef22d55c84b223cc1eaffcdaa55bb7691a05650ac3662a766ffb7973fcb36579

    • SHA512

      28f74b613c2f42451b12161bb2b0bac5e8b164d7bf2b1ff1f6f08d4a1b87a6c1b55271f523964cd4a044e62322b9ea5784890939b35648b577a97776e93264e3

    • SSDEEP

      49152:s4K3x1vUCJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18CtIuoITsdZ

    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