Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    9b64f7e2da35e9ebfdcdb5cd59c20c22f0e6b9d76a7bb7977223641cc6fb049d

  • Size

    1.8MB

  • Sample

    240523-gv511sfh83

  • MD5

    da1f953ac24cdfec86011d4e9eb5a897

  • SHA1

    83915672f7d8b92170627bd7bab7cac358a8457a

  • SHA256

    9b64f7e2da35e9ebfdcdb5cd59c20c22f0e6b9d76a7bb7977223641cc6fb049d

  • SHA512

    0447bf4c1065963218788b73ea07ab3b14585785df9f1fccc758408bfa38e08ffaa29cfb4a16cea6897ec85302abdfb6b152b135830fd8ba3c54513a807598c2

  • SSDEEP

    24576:FBfuZfeq6sVO6hTdtTF+TxMoxQH1Tj4wtjYZH1DmoYYzi3WH45yv+OueSJhm9e:F7qFHJtTF+TxMoxc1TU+j+dAzGwlrh

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      9b64f7e2da35e9ebfdcdb5cd59c20c22f0e6b9d76a7bb7977223641cc6fb049d

    • Size

      1.8MB

    • MD5

      da1f953ac24cdfec86011d4e9eb5a897

    • SHA1

      83915672f7d8b92170627bd7bab7cac358a8457a

    • SHA256

      9b64f7e2da35e9ebfdcdb5cd59c20c22f0e6b9d76a7bb7977223641cc6fb049d

    • SHA512

      0447bf4c1065963218788b73ea07ab3b14585785df9f1fccc758408bfa38e08ffaa29cfb4a16cea6897ec85302abdfb6b152b135830fd8ba3c54513a807598c2

    • SSDEEP

      24576:FBfuZfeq6sVO6hTdtTF+TxMoxQH1Tj4wtjYZH1DmoYYzi3WH45yv+OueSJhm9e:F7qFHJtTF+TxMoxc1TU+j+dAzGwlrh

    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