Overview

overview

10

Static

static

3

unlicense.exe

windows7-x64

7

unlicense.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    unlicense.exe

  • Size

    47.2MB

  • Sample

    241209-2h7pasypcq

  • MD5

    69e2318d24da523c4d6623385a81f201

  • SHA1

    62f8fbf59fabad8052dc215fc6f7527d7fd4e33f

  • SHA256

    33c27d4deaaf54f832849d71ce65ce568eb2ca2bb1f24c21f9cf9f0dde7af955

  • SHA512

    ccdad88cef3469e87d6952779f76b326246dc6e00b22028667924e44fcfa1a19140d73e591014a05e6148169622ea0f7b19c695e096acf44348daa774ce47632

  • SSDEEP

    786432:+58GYRd4zI0m67kAJEuhH9KH/jlO6mjTCjeZVKgTGR9Vt3VEqVXnQEWtbtHhOrOn:+dId4zDm67JSuN9KH/jlO6q2jeZVK/PI

Score
10/10
wannacrydefense_evasiondiscoveryexecutionimpactpersistencepyinstallerransomwarespywarestealerworm

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: 115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn 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

115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn

Targets

    • Target

      unlicense.exe

    • Size

      47.2MB

    • MD5

      69e2318d24da523c4d6623385a81f201

    • SHA1

      62f8fbf59fabad8052dc215fc6f7527d7fd4e33f

    • SHA256

      33c27d4deaaf54f832849d71ce65ce568eb2ca2bb1f24c21f9cf9f0dde7af955

    • SHA512

      ccdad88cef3469e87d6952779f76b326246dc6e00b22028667924e44fcfa1a19140d73e591014a05e6148169622ea0f7b19c695e096acf44348daa774ce47632

    • SSDEEP

      786432:+58GYRd4zI0m67kAJEuhH9KH/jlO6mjTCjeZVKgTGR9Vt3VEqVXnQEWtbtHhOrOn:+dId4zDm67JSuN9KH/jlO6q2jeZVK/PI

    Score
    10/10
    wannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealerworm

    • Wannacry

      WannaCry is a ransomware cryptoworm.

      ransomwarewormwannacry

    • Wannacry family

      wannacry

    • 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

    • 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
    behavioral1behavioral2

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

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

3
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

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

System Information Discovery

4
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