Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    41b0bedd80712ffb926aa61685245d95d60c1458122f572ef66787e854cd5bea

  • Size

    2.0MB

  • Sample

    240524-wfww5adh2z

  • MD5

    27357e6724bcff676779325f6425386c

  • SHA1

    0a9d9a5270cbef8b5e2d06289266761dfe3a4110

  • SHA256

    41b0bedd80712ffb926aa61685245d95d60c1458122f572ef66787e854cd5bea

  • SHA512

    b3cd6c2b80218b3dab3902fde2f0b1d3ea8202f27b573dac5c03e3b57cb9c610d1a551a4edbb72a0b162fa61b194a37a5f4d1d112baa64cadc54c8777a12050c

  • SSDEEP

    49152:s4K3x1vUKJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18KtIuoITsdZ

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

      41b0bedd80712ffb926aa61685245d95d60c1458122f572ef66787e854cd5bea

    • Size

      2.0MB

    • MD5

      27357e6724bcff676779325f6425386c

    • SHA1

      0a9d9a5270cbef8b5e2d06289266761dfe3a4110

    • SHA256

      41b0bedd80712ffb926aa61685245d95d60c1458122f572ef66787e854cd5bea

    • SHA512

      b3cd6c2b80218b3dab3902fde2f0b1d3ea8202f27b573dac5c03e3b57cb9c610d1a551a4edbb72a0b162fa61b194a37a5f4d1d112baa64cadc54c8777a12050c

    • SSDEEP

      49152:s4K3x1vUKJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18KtIuoITsdZ

    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