Overview

overview

10

Static

static

10

2025-02-16...ry.exe

windows7-x64

10

2025-02-16...ry.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2025-02-16_e191b299fdbebe6c1351e5b0eb2b9b9e_destroyer_wannacry

  • Size

    53KB

  • Sample

    250216-1aa5payqej

  • MD5

    e191b299fdbebe6c1351e5b0eb2b9b9e

  • SHA1

    c3f6a7a11536132e3a215ced4384734b53dbbdc4

  • SHA256

    f4936bda6829b612f548ad3b1ef4c0155506e54d49535aa7cf48dba6d110be26

  • SHA512

    bc38c992adf1110921705d6fdef4b5b2749c9486687e6b7c3a595f4b5e897a55d452fce0637a2572e18a4ddf83a4f6a5e6c0c013983bf940904d5b6046b5021f

  • SSDEEP

    1536:y3kIyVVWBr9S9qzUY7VWzXyFDyKs9lgU3qz+h:y3kZWBr9S9qzUYxcyFs3qz+h

Score
10/10
chaosdefense_evasiondiscoveryevasionexecutionimpactransomwarespywarestealer

Malware Config

Targets

    • Target

      2025-02-16_e191b299fdbebe6c1351e5b0eb2b9b9e_destroyer_wannacry

    • Size

      53KB

    • MD5

      e191b299fdbebe6c1351e5b0eb2b9b9e

    • SHA1

      c3f6a7a11536132e3a215ced4384734b53dbbdc4

    • SHA256

      f4936bda6829b612f548ad3b1ef4c0155506e54d49535aa7cf48dba6d110be26

    • SHA512

      bc38c992adf1110921705d6fdef4b5b2749c9486687e6b7c3a595f4b5e897a55d452fce0637a2572e18a4ddf83a4f6a5e6c0c013983bf940904d5b6046b5021f

    • SSDEEP

      1536:y3kIyVVWBr9S9qzUY7VWzXyFDyKs9lgU3qz+h:y3kZWBr9S9qzUYxcyFs3qz+h

    Score
    10/10
    chaosdefense_evasionevasionexecutionimpactransomwarespywarestealerdiscovery

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Chaos family

      chaos

    • 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

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • 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)

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Management Instrumentation

1
T1047

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

1
T1006

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Modify Registry

1
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

4
T1490

Tasks