Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    0b28575bc27a80730724775c48f7a32bb95851c5f44960d87fa8848ea1e20d5b

  • Size

    2.0MB

  • Sample

    240525-lnbk2sdc42

  • MD5

    b1efe73af7d3b37fdd6c2e902e4b9312

  • SHA1

    34d5a6d1fb2ec54c9d371e2fc0072b6bdd0ae404

  • SHA256

    0b28575bc27a80730724775c48f7a32bb95851c5f44960d87fa8848ea1e20d5b

  • SHA512

    3ff1fbfe390f15d743f4981a923dde32f8a1b85f2956e08bd959943bf995fc37116c6b6b44a32567bd4d505a1f92f67563b0db03abf2067ccdc9dab7a98b485d

  • SSDEEP

    49152:s4K3x1vUSJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18StIuoITsdZ

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

      0b28575bc27a80730724775c48f7a32bb95851c5f44960d87fa8848ea1e20d5b

    • Size

      2.0MB

    • MD5

      b1efe73af7d3b37fdd6c2e902e4b9312

    • SHA1

      34d5a6d1fb2ec54c9d371e2fc0072b6bdd0ae404

    • SHA256

      0b28575bc27a80730724775c48f7a32bb95851c5f44960d87fa8848ea1e20d5b

    • SHA512

      3ff1fbfe390f15d743f4981a923dde32f8a1b85f2956e08bd959943bf995fc37116c6b6b44a32567bd4d505a1f92f67563b0db03abf2067ccdc9dab7a98b485d

    • SSDEEP

      49152:s4K3x1vUSJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18StIuoITsdZ

    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