Overview

overview

10

Static

static

10

2025-02-20...ry.exe

windows7-x64

10

2025-02-20...ry.exe

windows10-2004-x64

10

Resubmissions

20-02-2025 09:24

250220-lc7t4s1pft 10

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General

  • Target

    2025-02-20_1dea80c3acd337a732a41b1ef0a655c9_destroyer_wannacry

  • Size

    27KB

  • Sample

    250220-lc7t4s1pft

  • MD5

    1dea80c3acd337a732a41b1ef0a655c9

  • SHA1

    0c183db452f00bd5282de8c589b5ca39ff671dd6

  • SHA256

    a19228e0bf1b1aa215e84f0381b6f4ec16e4dc5831089600678a3d6c2eed0936

  • SHA512

    f42e8c34379afc24ac9dd3d87b6284571e60932d8dfe6b088cf30dd655416a894ad03e95c63b538d55fb20d082b9a3c0024cd4f8740665e13c8be7eef3070f62

  • SSDEEP

    384:OtWZPzzxAm1vmSZUoGnpjCG+N/y81lxOy5o91ns3J82v4:T7zxAmXZUoGwG+0Kho9VQ82A

Score
10/10
chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      2025-02-20_1dea80c3acd337a732a41b1ef0a655c9_destroyer_wannacry

    • Size

      27KB

    • MD5

      1dea80c3acd337a732a41b1ef0a655c9

    • SHA1

      0c183db452f00bd5282de8c589b5ca39ff671dd6

    • SHA256

      a19228e0bf1b1aa215e84f0381b6f4ec16e4dc5831089600678a3d6c2eed0936

    • SHA512

      f42e8c34379afc24ac9dd3d87b6284571e60932d8dfe6b088cf30dd655416a894ad03e95c63b538d55fb20d082b9a3c0024cd4f8740665e13c8be7eef3070f62

    • SSDEEP

      384:OtWZPzzxAm1vmSZUoGnpjCG+N/y81lxOy5o91ns3J82v4:T7zxAmXZUoGwG+0Kho9VQ82A

    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