Overview

overview

10

Static

static

10

2025-01-24...ry.exe

windows7-x64

10

2025-01-24...ry.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2025-01-24_a1f418db95f94c1f1663147818fa0876_destroyer_wannacry

  • Size

    27KB

  • Sample

    250124-mqnh3awjbn

  • MD5

    a1f418db95f94c1f1663147818fa0876

  • SHA1

    77ed15edc420d4ab57a9a78277295510e89d7f0c

  • SHA256

    d9ae6f94dd80186d859b7db83af8e0dcfef1d23196427d1837e3afb920eb09dd

  • SHA512

    06419b5a1d350061f4b05dfea4faa63d587228a57725fe1f10a846c2878b21fe55b4ea388b779ab8d5f4d2a60c90bd388da7183d7dfa7011244a00205c6aafc9

  • SSDEEP

    384:QtWZPzzxAm1va5ST2cbS74WtRQ3dChlsNpGxUlkOy5o91vtl+RXP82vc:l7zxAmCEXbS1RQ3dnN4Dho9Mt82E

Score
10/10
chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      2025-01-24_a1f418db95f94c1f1663147818fa0876_destroyer_wannacry

    • Size

      27KB

    • MD5

      a1f418db95f94c1f1663147818fa0876

    • SHA1

      77ed15edc420d4ab57a9a78277295510e89d7f0c

    • SHA256

      d9ae6f94dd80186d859b7db83af8e0dcfef1d23196427d1837e3afb920eb09dd

    • SHA512

      06419b5a1d350061f4b05dfea4faa63d587228a57725fe1f10a846c2878b21fe55b4ea388b779ab8d5f4d2a60c90bd388da7183d7dfa7011244a00205c6aafc9

    • SSDEEP

      384:QtWZPzzxAm1va5ST2cbS74WtRQ3dChlsNpGxUlkOy5o91vtl+RXP82vc:l7zxAmCEXbS1RQ3dnN4Dho9Mt82E

    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