Overview

overview

10

Static

static

10

2025-01-28...ry.exe

windows7-x64

10

2025-01-28...ry.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2025-01-28_536dab3f0bfdec9cf2df58e34f9ff03e_destroyer_wannacry

  • Size

    26KB

  • Sample

    250128-sz8s9atjax

  • MD5

    536dab3f0bfdec9cf2df58e34f9ff03e

  • SHA1

    a219102a1ddb45062f8c7c20d2a0f7e871b8dfb9

  • SHA256

    2184740f645a0d041cbbe71d390a53d92326b65b25c31b770fcd143c635ffac8

  • SHA512

    424ae2dc0b1f63a2b57293aa452697891052446dba6a63f1118cc40348341e144fdc4160d71b2a689424c49ffcd84a184881b3a0ff6490a032881036083fec7e

  • SSDEEP

    384:JtWZPzzxAm1vA50rRxJYilMDwXd5el1Oy5o915mb582vY:Q7zxAmMoVYTedAho9mV82w

Score
10/10
chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      2025-01-28_536dab3f0bfdec9cf2df58e34f9ff03e_destroyer_wannacry

    • Size

      26KB

    • MD5

      536dab3f0bfdec9cf2df58e34f9ff03e

    • SHA1

      a219102a1ddb45062f8c7c20d2a0f7e871b8dfb9

    • SHA256

      2184740f645a0d041cbbe71d390a53d92326b65b25c31b770fcd143c635ffac8

    • SHA512

      424ae2dc0b1f63a2b57293aa452697891052446dba6a63f1118cc40348341e144fdc4160d71b2a689424c49ffcd84a184881b3a0ff6490a032881036083fec7e

    • SSDEEP

      384:JtWZPzzxAm1vA50rRxJYilMDwXd5el1Oy5o915mb582vY:Q7zxAmMoVYTedAho9mV82w

    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)

    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

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

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

4
T1490

Tasks