Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    89df2b7e07aab0e13f59889424bd093f91b4360a8ac4289093c074ace8cf5a9f

  • Size

    2.0MB

  • Sample

    240525-hw3gysab3v

  • MD5

    17f5383cbd2d61ead964d379a25b6876

  • SHA1

    fb347b0dd12bef3d4c8749dc49de3130f06f2ea3

  • SHA256

    89df2b7e07aab0e13f59889424bd093f91b4360a8ac4289093c074ace8cf5a9f

  • SHA512

    e1d224a90188199b97d07af5d1118afd5aa40e7a8686feefb2788a03f3f1698e825d3fdf38c36fb6c00987a10dd57d8eeb4699a73fff70cb32d0cf0d11a5f98e

  • SSDEEP

    49152:s4K3x1vUWJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18WtIuoITsdZ

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

      89df2b7e07aab0e13f59889424bd093f91b4360a8ac4289093c074ace8cf5a9f

    • Size

      2.0MB

    • MD5

      17f5383cbd2d61ead964d379a25b6876

    • SHA1

      fb347b0dd12bef3d4c8749dc49de3130f06f2ea3

    • SHA256

      89df2b7e07aab0e13f59889424bd093f91b4360a8ac4289093c074ace8cf5a9f

    • SHA512

      e1d224a90188199b97d07af5d1118afd5aa40e7a8686feefb2788a03f3f1698e825d3fdf38c36fb6c00987a10dd57d8eeb4699a73fff70cb32d0cf0d11a5f98e

    • SSDEEP

      49152:s4K3x1vUWJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18WtIuoITsdZ

    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