Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    4f7f3c11e8a147d09fecea562864f93b6af8b0e727af7ded6bfb49d04f29cf96

  • Size

    1.9MB

  • Sample

    240527-nsymgsba29

  • MD5

    0ce3d185593b58e5c2f54ff836c63641

  • SHA1

    8c468e0a342a2ce39424f49eaaa57068e6e3ef69

  • SHA256

    4f7f3c11e8a147d09fecea562864f93b6af8b0e727af7ded6bfb49d04f29cf96

  • SHA512

    89a20fed9a82c26e0c6cd8fdaa4b9ee909b094df61750626a9e858834d95e436f686cdfa62b91cc8b1bb394dfecf6d3b88d7fb49ee9ab1e6d634c609ce4340c3

  • SSDEEP

    49152:CdKfTn6vGJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTn1tIuoITsdZ

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

      4f7f3c11e8a147d09fecea562864f93b6af8b0e727af7ded6bfb49d04f29cf96

    • Size

      1.9MB

    • MD5

      0ce3d185593b58e5c2f54ff836c63641

    • SHA1

      8c468e0a342a2ce39424f49eaaa57068e6e3ef69

    • SHA256

      4f7f3c11e8a147d09fecea562864f93b6af8b0e727af7ded6bfb49d04f29cf96

    • SHA512

      89a20fed9a82c26e0c6cd8fdaa4b9ee909b094df61750626a9e858834d95e436f686cdfa62b91cc8b1bb394dfecf6d3b88d7fb49ee9ab1e6d634c609ce4340c3

    • SSDEEP

      49152:CdKfTn6vGJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTn1tIuoITsdZ

    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