Overview

overview

10

Static

static

10

2024-12-15...ry.exe

windows7-x64

10

2024-12-15...ry.exe

windows10-2004-x64

10

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General

  • Target

    2024-12-15_603e48a98dad157d9f8661097ac9bd4e_wannacry

  • Size

    362KB

  • Sample

    241215-dxnmzasnav

  • MD5

    603e48a98dad157d9f8661097ac9bd4e

  • SHA1

    5680b89b1ff990bd32067bf2d84bb792d1614fa6

  • SHA256

    b6b9fa58bf57ceab4809ad2fc5983686567df05b92413aa8183a979b75f30016

  • SHA512

    43db5e997f260e66865195e08379dc9a6a83439cbff497f71f03255dde8ff2620b7852eeb592c1cb82d9a09934af9c0e802de879ae4476fe73a32ef324bb5354

  • SSDEEP

    6144:X4Zq9lVYxyj9aqEaEPs8PqAftRe2CT1R4qV3hAB52:X4gVYxuTEa8PqAfTPEqqV3yB52

Score
10/10
chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      2024-12-15_603e48a98dad157d9f8661097ac9bd4e_wannacry

    • Size

      362KB

    • MD5

      603e48a98dad157d9f8661097ac9bd4e

    • SHA1

      5680b89b1ff990bd32067bf2d84bb792d1614fa6

    • SHA256

      b6b9fa58bf57ceab4809ad2fc5983686567df05b92413aa8183a979b75f30016

    • SHA512

      43db5e997f260e66865195e08379dc9a6a83439cbff497f71f03255dde8ff2620b7852eeb592c1cb82d9a09934af9c0e802de879ae4476fe73a32ef324bb5354

    • SSDEEP

      6144:X4Zq9lVYxyj9aqEaEPs8PqAftRe2CT1R4qV3hAB52:X4gVYxuTEa8PqAfTPEqqV3yB52

    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