Overview

overview

10

Static

static

10

2025-01-08...ry.exe

windows7-x64

10

2025-01-08...ry.exe

windows10-2004-x64

10

Resubmissions

08-01-2025 05:04

250108-fqg8qavpgy 10

08-01-2025 04:30

250108-e43wxawpel 10

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General

  • Target

    2025-01-08_581ee9647cd1e172a842994422821ae5_destroyer_wannacry

  • Size

    54KB

  • Sample

    250108-e43wxawpel

  • MD5

    581ee9647cd1e172a842994422821ae5

  • SHA1

    2cf3dea7e729c52bc1e4ac79cb99e1716930829a

  • SHA256

    cef3874fb20c6b330fa55e74ce88434bbd849e229974663bed77e6ba18253276

  • SHA512

    10d5924d47c033e59ce67fad60d83a1c37af8be52b2da632f129c1b6f2108d749d65e5d996cf3205e5e8a966aa0e5089dd5c0d0695c8b082a7ee255a955a8851

  • SSDEEP

    768:87zxAmnV2D+kRho9IzFuHJbfslnjo/qAZYMGvZM2ACyFD0iM6wteI82j:8NA+kRq9IcHX/NYMGvZFA3FD0T2e

Score
10/10
chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      2025-01-08_581ee9647cd1e172a842994422821ae5_destroyer_wannacry

    • Size

      54KB

    • MD5

      581ee9647cd1e172a842994422821ae5

    • SHA1

      2cf3dea7e729c52bc1e4ac79cb99e1716930829a

    • SHA256

      cef3874fb20c6b330fa55e74ce88434bbd849e229974663bed77e6ba18253276

    • SHA512

      10d5924d47c033e59ce67fad60d83a1c37af8be52b2da632f129c1b6f2108d749d65e5d996cf3205e5e8a966aa0e5089dd5c0d0695c8b082a7ee255a955a8851

    • SSDEEP

      768:87zxAmnV2D+kRho9IzFuHJbfslnjo/qAZYMGvZM2ACyFD0iM6wteI82j:8NA+kRq9IcHX/NYMGvZFA3FD0T2e

    Score
    10/10
    chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

    • 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

    • Renames multiple (203) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Disables Task Manager via registry modification

      evasion

    • 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

    • Adds Run key to start application

      persistence

    • 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

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Direct Volume Access

1
T1006

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Modify Registry

2
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

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

4
T1490

Tasks