Overview

overview

10

Static

static

1

sample.js

windows11-21h2-x64

10

Sharing

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General

  • Target

    sample

  • Size

    77KB

  • Sample

    240825-lla7haygpp

  • MD5

    0286b1671938982bc9133feffd86dd16

  • SHA1

    767651d021a7fe5a6abcd5a8a42ca1008af044c1

  • SHA256

    2f2657077e3c27d80c1794e01fd55ffa6189c6de3bd10825c700d304cd46a3cc

  • SHA512

    14e48cffff86b55093e5d2d33bf46e03d4dd1fe4ff57f36e97d6c2cd74bbd847ffbb243f0edd2f7b66656d32a92b02476959ffb7405b5b5832e75e560097cf15

  • SSDEEP

    1536:46QJFLCSwNie4vQehNFZuSuWtWWxGAda/63qjeKjpGkcS+NXWaEpcs+56ZJsnefG:XQJFLxwQ0Ada/63qjeKjpGkcS+NXWaEw

Score
10/10
wannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwareupxworm

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\Temp1_WannaCrypt0r.zip\@[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

      sample

    • Size

      77KB

    • MD5

      0286b1671938982bc9133feffd86dd16

    • SHA1

      767651d021a7fe5a6abcd5a8a42ca1008af044c1

    • SHA256

      2f2657077e3c27d80c1794e01fd55ffa6189c6de3bd10825c700d304cd46a3cc

    • SHA512

      14e48cffff86b55093e5d2d33bf46e03d4dd1fe4ff57f36e97d6c2cd74bbd847ffbb243f0edd2f7b66656d32a92b02476959ffb7405b5b5832e75e560097cf15

    • SSDEEP

      1536:46QJFLCSwNie4vQehNFZuSuWtWWxGAda/63qjeKjpGkcS+NXWaEpcs+56ZJsnefG:XQJFLxwQ0Ada/63qjeKjpGkcS+NXWaEw

    Score
    10/10
    wannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwareupxworm

    • Modifies WinLogon for persistence

      persistence

    • Wannacry

      WannaCry is a ransomware cryptoworm.

      ransomwarewormwannacry

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Blocklisted process makes network request

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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

Command and Scripting Interpreter

1
T1059

JavaScript

1
T1059.007

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

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

Credential Access

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

1
T1490

Tasks