Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    499d469380686b8e0787c72be0c3026df7f9f69ff13534f775988cc4c336e841

  • Size

    1.9MB

  • Sample

    240527-vb3y7saf4v

  • MD5

    b194354d7ca0656121e7ece2b56a7871

  • SHA1

    2d1fec7414db1c7192a3dab7dad08f1507284595

  • SHA256

    499d469380686b8e0787c72be0c3026df7f9f69ff13534f775988cc4c336e841

  • SHA512

    8dfd07e46e99e0a3285815f02768070670c71264556527d2fee497e394b641b4cf7978cf8d8a4417e405e118977d97b09ef5190755319909a0b9b12cf3a17e3f

  • SSDEEP

    49152:CdKfTn6v2JtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnNtIuoITsdZ

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

      499d469380686b8e0787c72be0c3026df7f9f69ff13534f775988cc4c336e841

    • Size

      1.9MB

    • MD5

      b194354d7ca0656121e7ece2b56a7871

    • SHA1

      2d1fec7414db1c7192a3dab7dad08f1507284595

    • SHA256

      499d469380686b8e0787c72be0c3026df7f9f69ff13534f775988cc4c336e841

    • SHA512

      8dfd07e46e99e0a3285815f02768070670c71264556527d2fee497e394b641b4cf7978cf8d8a4417e405e118977d97b09ef5190755319909a0b9b12cf3a17e3f

    • SSDEEP

      49152:CdKfTn6v2JtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnNtIuoITsdZ

    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 Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks