Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    b4a714655bfde79535b74a3bafe8535913e0d89f04c9d0c9a61cd8b6d63635cd

  • Size

    2.0MB

  • Sample

    240525-lvj6rsdd84

  • MD5

    3d952424bc82347851dc57506b404ec0

  • SHA1

    790a14d8c4bc5f27c40fcc1d40dd6dbb0fec504b

  • SHA256

    b4a714655bfde79535b74a3bafe8535913e0d89f04c9d0c9a61cd8b6d63635cd

  • SHA512

    295723cc52f0a7816b1eafc91eee7f164c5523675714f8e9f75a8129e3af62d4ba4b02c63f5822692cc8d61a1d272af279512ad923a8e854591fca67a25ffcc4

  • SSDEEP

    49152:s4K3x1vUKJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18KtIuoITsdZ

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

      b4a714655bfde79535b74a3bafe8535913e0d89f04c9d0c9a61cd8b6d63635cd

    • Size

      2.0MB

    • MD5

      3d952424bc82347851dc57506b404ec0

    • SHA1

      790a14d8c4bc5f27c40fcc1d40dd6dbb0fec504b

    • SHA256

      b4a714655bfde79535b74a3bafe8535913e0d89f04c9d0c9a61cd8b6d63635cd

    • SHA512

      295723cc52f0a7816b1eafc91eee7f164c5523675714f8e9f75a8129e3af62d4ba4b02c63f5822692cc8d61a1d272af279512ad923a8e854591fca67a25ffcc4

    • SSDEEP

      49152:s4K3x1vUKJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18KtIuoITsdZ

    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