Overview

overview

10

Static

static

1

URLScan

urlscan

1

https://bazaar.abuse...

windows11-21h2-x64

10

Sharing

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General

  • Target

    https://bazaar.abuse.ch/sample/79ba6f438dc061cd67dd554bccb6a3a8c7263615565d324b48e92d5a3e4a82d4/

  • Sample

    241120-1myfratpgw

Score
10/10
cryptbotcredential_accessdiscoveryevasionspywarestealer

Malware Config

Targets

    • Target

      https://bazaar.abuse.ch/sample/79ba6f438dc061cd67dd554bccb6a3a8c7263615565d324b48e92d5a3e4a82d4/

    Score
    10/10
    cryptbotcredential_accessdiscoveryevasionspywarestealer

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

      spywarestealercryptbot

    • Cryptbot family

      cryptbot

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

      spywarestealer

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

      credential_accessstealer

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • Loads dropped DLL

    • 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 NtSetInformationThreadHideFromDebugger

    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Modify Authentication Process

1
T1556

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Authentication Process

1
T1556

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Modify Authentication Process

1
T1556

Steal Web Session Cookie

1
T1539

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Query Registry

6
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Virtualization/Sandbox Evasion

2
T1497

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks