Overview

overview

10

Static

static

10

2025-02-19...ry.exe

windows7-x64

10

2025-02-19...ry.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2025-02-19_afc5291af9dedb512de52834bfaebdee_destroyer_wannacry

  • Size

    27KB

  • Sample

    250219-3edsgs1ngt

  • MD5

    afc5291af9dedb512de52834bfaebdee

  • SHA1

    66031dc9e1086990ae764f949874352de56cd455

  • SHA256

    3e52fd2c2ad71eb254ce2cc243edabfb2b034994a8669e1031ccabde3448ef9f

  • SHA512

    1708bbf5040da1a2426947f9a34b32e1a2a1052d46b7315c0e869c46389201d432fce0c57db55cb4a0bddd359b8edc251e59b517f8ded83ac003b198bda1ae1b

  • SSDEEP

    384:LtWZPzzxAm1vDM2tANCSGGhS6PNVclIOy5o91j6dA382vf0:C7zxAmS2tANCG0kNbho9tc8820

Score
10/10
chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      2025-02-19_afc5291af9dedb512de52834bfaebdee_destroyer_wannacry

    • Size

      27KB

    • MD5

      afc5291af9dedb512de52834bfaebdee

    • SHA1

      66031dc9e1086990ae764f949874352de56cd455

    • SHA256

      3e52fd2c2ad71eb254ce2cc243edabfb2b034994a8669e1031ccabde3448ef9f

    • SHA512

      1708bbf5040da1a2426947f9a34b32e1a2a1052d46b7315c0e869c46389201d432fce0c57db55cb4a0bddd359b8edc251e59b517f8ded83ac003b198bda1ae1b

    • SSDEEP

      384:LtWZPzzxAm1vDM2tANCSGGhS6PNVclIOy5o91j6dA382vf0:C7zxAmS2tANCG0kNbho9tc8820

    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