Overview

overview

10

Static

static

1

libvlc.dll

windows11-21h2-x64

10

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General

  • Target

    libvlc.dll

  • Size

    186KB

  • Sample

    240712-lyhr4sycmr

  • MD5

    b8ff818acd53b0016bf83013a8d5f606

  • SHA1

    a543a37a74631c0b28898ce6d6cc8db70059669b

  • SHA256

    709777343867951673bdc9d75a58c462bae590215e6e124b9c7abccfbbed0b30

  • SHA512

    96adae886b5a4d0369140da948e70fb9eea15bab1703d1e54e5ea7b3e8cc7b72bef9995f8d06243968d6b9eb3614fb9ca9e179f2da0542d7d0af5ce523958cb0

  • SSDEEP

    3072:pM6pRaubfTPeuD6spsr8VEkycdLQvJLyLMs:pMAHTTGWI0pycqRLyL1

Score
10/10
chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

Malware Config

Targets

    • Target

      libvlc.dll

    • Size

      186KB

    • MD5

      b8ff818acd53b0016bf83013a8d5f606

    • SHA1

      a543a37a74631c0b28898ce6d6cc8db70059669b

    • SHA256

      709777343867951673bdc9d75a58c462bae590215e6e124b9c7abccfbbed0b30

    • SHA512

      96adae886b5a4d0369140da948e70fb9eea15bab1703d1e54e5ea7b3e8cc7b72bef9995f8d06243968d6b9eb3614fb9ca9e179f2da0542d7d0af5ce523958cb0

    • SSDEEP

      3072:pM6pRaubfTPeuD6spsr8VEkycdLQvJLyLMs:pMAHTTGWI0pycqRLyL1

    Score
    10/10
    chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Drops startup file

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Command and Scripting Interpreter

1
T1059

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Modify Registry

1
T1112

Direct Volume Access

1
T1006

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

4
T1082

Query Registry

4
T1012

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

4
T1490

Defacement

1
T1491

Resource Development

Reconnaissance

Tasks