Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    a21abbe511a70a675ac2913f7c70ae70708707c3505119b2000a823c30362056

  • Size

    1.6MB

  • Sample

    240611-n4tsnswfqm

  • MD5

    5a8c487d305bcda8b8187e0bb8c97589

  • SHA1

    226680a3270d1999a2ad0b08228df56129763f89

  • SHA256

    a21abbe511a70a675ac2913f7c70ae70708707c3505119b2000a823c30362056

  • SHA512

    dceb74d1edc9dc6690fd10cace0d6a5fbaaf593ef064d4b0aedd0ca75ede7afe40733bd653ee18846a37b3d3056cd8ae901e1770dfc55ad7bd95edc125596649

  • SSDEEP

    24576:spM5863IGfTAVpalBsUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BsUkxVVChjHZQs

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354
Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      a21abbe511a70a675ac2913f7c70ae70708707c3505119b2000a823c30362056

    • Size

      1.6MB

    • MD5

      5a8c487d305bcda8b8187e0bb8c97589

    • SHA1

      226680a3270d1999a2ad0b08228df56129763f89

    • SHA256

      a21abbe511a70a675ac2913f7c70ae70708707c3505119b2000a823c30362056

    • SHA512

      dceb74d1edc9dc6690fd10cace0d6a5fbaaf593ef064d4b0aedd0ca75ede7afe40733bd653ee18846a37b3d3056cd8ae901e1770dfc55ad7bd95edc125596649

    • SSDEEP

      24576:spM5863IGfTAVpalBsUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BsUkxVVChjHZQs

    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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spywarestealer

    • 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 Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks