Overview

overview

10

Static

static

10

2025-02-22...ry.exe

windows7-x64

10

2025-02-22...ry.exe

windows10-2004-x64

10

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General

  • Target

    2025-02-22_07c5cfd4fa74888f514aadacacef5a2d_destroyer_wannacry

  • Size

    43KB

  • Sample

    250222-h8ddla1kat

  • MD5

    07c5cfd4fa74888f514aadacacef5a2d

  • SHA1

    f6a20aa9eb5348f934edf0dac3fa5532e21877d7

  • SHA256

    aa3f95e84fb4f6fe9ed70f093088fbe568c12251b8da1047824559c1b4ab7027

  • SHA512

    5095eb2cd955221cee1e3108fa11245a932a70013cb38177e6e18925bef7370c523a13d78eb11cb1b70567a18a8069dfe14fc4e7cf42a55f326a01d0d0bb205c

  • SSDEEP

    768:b7zxAmn9szGG0Uho9O/fkrJj2WLRSwsFrpxVfZAFn8TY882a:bNzG0Uq9O/fkrJjH11s/zho8TYHz

Score
10/10
chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      2025-02-22_07c5cfd4fa74888f514aadacacef5a2d_destroyer_wannacry

    • Size

      43KB

    • MD5

      07c5cfd4fa74888f514aadacacef5a2d

    • SHA1

      f6a20aa9eb5348f934edf0dac3fa5532e21877d7

    • SHA256

      aa3f95e84fb4f6fe9ed70f093088fbe568c12251b8da1047824559c1b4ab7027

    • SHA512

      5095eb2cd955221cee1e3108fa11245a932a70013cb38177e6e18925bef7370c523a13d78eb11cb1b70567a18a8069dfe14fc4e7cf42a55f326a01d0d0bb205c

    • SSDEEP

      768:b7zxAmn9szGG0Uho9O/fkrJj2WLRSwsFrpxVfZAFn8TY882a:bNzG0Uq9O/fkrJjH11s/zho8TYHz

    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

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Disables Task Manager via registry modification

      defense_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