Overview

overview

10

Static

static

10

2024-10-14...ry.exe

windows7-x64

10

2024-10-14...ry.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-10-14_76caee0502e3483b22ffe34508a06ec3_destroyer_wannacry

  • Size

    26KB

  • Sample

    241014-vw3tyawgmf

  • MD5

    76caee0502e3483b22ffe34508a06ec3

  • SHA1

    c4120e980f86a2ab7bd29864e9045012c40ba70f

  • SHA256

    b4dc0cd3a5824ad15c8607c4cf23278b90d61946e2d904445e5707534a67d989

  • SHA512

    65f5bcee2c45d38d981638657d936d78096586659e1cd52a329876c1cac37aef105d97addce101158472f14322f1dbb5a932a08ea160d2e5d3a8b14d8db1d9ed

  • SSDEEP

    384:3tWZPzzxAm1vObMcJQ7o71+k4zxBSKrE7lGOy5o91Y5O9jx82vH:O7zxAmaXJQ7ogk426Jho925O9t82v

Score
10/10
chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      2024-10-14_76caee0502e3483b22ffe34508a06ec3_destroyer_wannacry

    • Size

      26KB

    • MD5

      76caee0502e3483b22ffe34508a06ec3

    • SHA1

      c4120e980f86a2ab7bd29864e9045012c40ba70f

    • SHA256

      b4dc0cd3a5824ad15c8607c4cf23278b90d61946e2d904445e5707534a67d989

    • SHA512

      65f5bcee2c45d38d981638657d936d78096586659e1cd52a329876c1cac37aef105d97addce101158472f14322f1dbb5a932a08ea160d2e5d3a8b14d8db1d9ed

    • SSDEEP

      384:3tWZPzzxAm1vObMcJQ7o71+k4zxBSKrE7lGOy5o91Y5O9jx82vH:O7zxAmaXJQ7ogk426Jho925O9t82v

    Score
    10/10
    chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • 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)

    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