Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    1707ca614484545a2411aa38fd1205812a732aeac5378cb6af7c3bab9d91131f

  • Size

    228KB

  • Sample

    240520-sylx4afe93

  • MD5

    9bf08871d45df7b29733ec65f7c8251d

  • SHA1

    d98f3b80c92e46b138475404300f6cdaadb82d9a

  • SHA256

    1707ca614484545a2411aa38fd1205812a732aeac5378cb6af7c3bab9d91131f

  • SHA512

    678343eb9be3996921804826d857c257d59580d47c66c0e05c5a611505ceebe2733bcc82970eb0cea0babcf9e37f362a6fa314728b645dd074e419af1d834aee

  • SSDEEP

    3072:mc9uO6r/Nibu2Bm+AmBQuJ+bTlPY0zJ8V/cSPwVp1g6FBa9Mj7V8AZ40Uda:mnioGVJ+bTlPYwJ8fPO3g6F0o73Z40

Score
10/10
buerstealcdefault11discoveryloaderspywarestealer

Malware Config

Extracted

Family

stealc

Botnet

default11

C2

http://185.172.128.170

Attributes
  • url_path

    /7043a0c6a68d9c65.php

Targets

    • Target

      1707ca614484545a2411aa38fd1205812a732aeac5378cb6af7c3bab9d91131f

    • Size

      228KB

    • MD5

      9bf08871d45df7b29733ec65f7c8251d

    • SHA1

      d98f3b80c92e46b138475404300f6cdaadb82d9a

    • SHA256

      1707ca614484545a2411aa38fd1205812a732aeac5378cb6af7c3bab9d91131f

    • SHA512

      678343eb9be3996921804826d857c257d59580d47c66c0e05c5a611505ceebe2733bcc82970eb0cea0babcf9e37f362a6fa314728b645dd074e419af1d834aee

    • SSDEEP

      3072:mc9uO6r/Nibu2Bm+AmBQuJ+bTlPY0zJ8V/cSPwVp1g6FBa9Mj7V8AZ40Uda:mnioGVJ+bTlPYwJ8fPO3g6F0o73Z40

    Score
    10/10
    buerstealcdefault11discoveryloaderspywarestealer

    • Buer

      Buer is a new modular loader first seen in August 2019.

      loaderbuer

    • Stealc

      Stealc is an infostealer written in C++.

      stealerstealc

    • Downloads MZ/PE file

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spywarestealer

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

3
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks