Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    d1d1c42d5724469759bd4e2530e69cfc41f0a4285d5aa8486fa9ef668f7150bf

  • Size

    1.9MB

  • Sample

    240527-mk638age5x

  • MD5

    8c7d488d1800fe3d44a3819964579623

  • SHA1

    c79dd17dc87c6adeb04418c15d39de6c691439f8

  • SHA256

    d1d1c42d5724469759bd4e2530e69cfc41f0a4285d5aa8486fa9ef668f7150bf

  • SHA512

    ac84c87ee77cedd82b1c3dada98e47c47ebbab39d42c4d57a8e3ef5ef46d72ca9ff0312ec4fbef12164ec3d15543c13c1afac101cc487db832192b8bf86d1cec

  • SSDEEP

    49152:CdKfTn6vWJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnttIuoITsdZ

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

      d1d1c42d5724469759bd4e2530e69cfc41f0a4285d5aa8486fa9ef668f7150bf

    • Size

      1.9MB

    • MD5

      8c7d488d1800fe3d44a3819964579623

    • SHA1

      c79dd17dc87c6adeb04418c15d39de6c691439f8

    • SHA256

      d1d1c42d5724469759bd4e2530e69cfc41f0a4285d5aa8486fa9ef668f7150bf

    • SHA512

      ac84c87ee77cedd82b1c3dada98e47c47ebbab39d42c4d57a8e3ef5ef46d72ca9ff0312ec4fbef12164ec3d15543c13c1afac101cc487db832192b8bf86d1cec

    • SSDEEP

      49152:CdKfTn6vWJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnttIuoITsdZ

    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