Overview

overview

10

Static

static

1

Ransomware...us.zip

windows11-21h2-x64

10

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General

  • Target

    Ransomware.WannaCry_Plus.zip

  • Size

    164KB

  • Sample

    240731-fxzrcaybrj

  • MD5

    717139fb84e9ead495b8918687e31324

  • SHA1

    2cecf0b6bc0e3c81c4e73aaa6d8297b25a8e6210

  • SHA256

    d62586f26a2e6fd14f4db21ef30eb79687623de35b42fc2903f62588484af384

  • SHA512

    e5aa4a855c80f6b5be8c0e22df0605f7ece4414a5ea15c8b75615f60d5da4067a10a9c7322499f465a582f745b31ebc961199c438ec844f437247d3d8fde0bd1

  • SSDEEP

    3072:v9LxwVWSr1lhL26yelP/X6OOKeRw+tms1YElsGaPYwI1bwecpI7kszBrDUEbvZ3V:Bjio5zvSOKMQpfEj71+sNs8wbiWQb9Ss

Score
10/10
wannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealerworm

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\@[email protected]

Family

wannacry

Ransom Note
Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions, we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw Next, please find an application file named "@[email protected]". It is the decrypt software. Run and follow the instructions! (You may need to disable your antivirus for a while.) Q: How can I trust? A: Don't worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users. * If you need our assistance, send a message by clicking <Contact Us> on the decryptor window. �
Wallets

12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw

Targets

    • Target

      Ransomware.WannaCry_Plus.zip

    • Size

      164KB

    • MD5

      717139fb84e9ead495b8918687e31324

    • SHA1

      2cecf0b6bc0e3c81c4e73aaa6d8297b25a8e6210

    • SHA256

      d62586f26a2e6fd14f4db21ef30eb79687623de35b42fc2903f62588484af384

    • SHA512

      e5aa4a855c80f6b5be8c0e22df0605f7ece4414a5ea15c8b75615f60d5da4067a10a9c7322499f465a582f745b31ebc961199c438ec844f437247d3d8fde0bd1

    • SSDEEP

      3072:v9LxwVWSr1lhL26yelP/X6OOKeRw+tms1YElsGaPYwI1bwecpI7kszBrDUEbvZ3V:Bjio5zvSOKMQpfEj71+sNs8wbiWQb9Ss

    Score
    10/10
    wannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealerworm

    • Wannacry

      WannaCry is a ransomware cryptoworm.

      ransomwarewormwannacry

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Downloads MZ/PE file

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Modifies system executable filetype association

      persistence

    • 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

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

      defense_evasion

    • Legitimate hosting services abused for malware hosting/C2

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

File and Directory Permissions Modification

2
T1222

Windows File and Directory Permissions Modification

1
T1222.001

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Modify Registry

4
T1112

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

1
T1490

Tasks