Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    cb4f00924b27fb4cec6ecaedff5ce95d731c3f58a598878a0788ca4174fd1759

  • Size

    2.6MB

  • Sample

    240528-nffadaaa53

  • MD5

    6e7cd39b58ce88aad6ebd66c9e4b84a1

  • SHA1

    6fc70d14d7e44a59129b19743a22dfa72f851f79

  • SHA256

    cb4f00924b27fb4cec6ecaedff5ce95d731c3f58a598878a0788ca4174fd1759

  • SHA512

    a5bdf2a0b9ea112c63c6babbb4b9ac24f65ee7946f1f8627ecfa1b171c40c1edd938c9e65d84b5cd00cf9080e7b680eb92e07a1efb198de25867826cdffaf0b7

  • SSDEEP

    49152:XQzIzMiqCNwqJtTF+TxMoxc1TU+j+dAzGwlrh:XY598ntIuoITsdZ

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

      cb4f00924b27fb4cec6ecaedff5ce95d731c3f58a598878a0788ca4174fd1759

    • Size

      2.6MB

    • MD5

      6e7cd39b58ce88aad6ebd66c9e4b84a1

    • SHA1

      6fc70d14d7e44a59129b19743a22dfa72f851f79

    • SHA256

      cb4f00924b27fb4cec6ecaedff5ce95d731c3f58a598878a0788ca4174fd1759

    • SHA512

      a5bdf2a0b9ea112c63c6babbb4b9ac24f65ee7946f1f8627ecfa1b171c40c1edd938c9e65d84b5cd00cf9080e7b680eb92e07a1efb198de25867826cdffaf0b7

    • SSDEEP

      49152:XQzIzMiqCNwqJtTF+TxMoxc1TU+j+dAzGwlrh:XY598ntIuoITsdZ

    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