Overview

overview

10

Static

static

10

2024-12-20...ry.exe

windows7-x64

10

2024-12-20...ry.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-12-20_9ce3929aaec5d8761a8e30097e005abf_wannacry

  • Size

    518KB

  • Sample

    241220-f9xshs1khy

  • MD5

    9ce3929aaec5d8761a8e30097e005abf

  • SHA1

    7d3747521d2d4eb933427891c6df6eb2adbe69ef

  • SHA256

    4e4f4ecd0a58337656a6f4fd8a2e728c7c8f4f33ca8886e0db16035f588d7680

  • SHA512

    360b7bbaaf2825a8ae472321d6d1173b37d8548e7bb5383b75222fd412794aa276f82efd492f4dbbac1d08ff80317264f2aaa0fd700bd77e424965d87722c4a6

  • SSDEEP

    12288:jI6ml8eenfmeq8je6e6U0T0aYA0eFHkRNaGU3N9nQFZ:2HosVN1jZ

Score
10/10
chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      2024-12-20_9ce3929aaec5d8761a8e30097e005abf_wannacry

    • Size

      518KB

    • MD5

      9ce3929aaec5d8761a8e30097e005abf

    • SHA1

      7d3747521d2d4eb933427891c6df6eb2adbe69ef

    • SHA256

      4e4f4ecd0a58337656a6f4fd8a2e728c7c8f4f33ca8886e0db16035f588d7680

    • SHA512

      360b7bbaaf2825a8ae472321d6d1173b37d8548e7bb5383b75222fd412794aa276f82efd492f4dbbac1d08ff80317264f2aaa0fd700bd77e424965d87722c4a6

    • SSDEEP

      12288:jI6ml8eenfmeq8je6e6U0T0aYA0eFHkRNaGU3N9nQFZ:2HosVN1jZ

    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

      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