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Overview

overview

10

Static

static

1

sample.html

windows10-2004-x64

10

Resubmissions

09/03/2025, 09:08

250309-k31m2szkx5 1

09/03/2025, 08:57

250309-kw35lazsgv 10

09/03/2025, 08:35

250309-khevvazjx3 10

09/03/2025, 08:28

250309-kc7cxazjv3 8

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General

  • Target

    sample

  • Size

    218KB

  • Sample

    250309-khevvazjx3

  • MD5

    3f06b47847759782317c7542e1b2c761

  • SHA1

    71880ad118b1e577fcc6839a6906b739dfe03c23

  • SHA256

    da4cc1b53a91259c68033e08d90e4bbef47df7ae48369a6b86e1f2de4d753932

  • SHA512

    6d68c779d7cb118a19917d083538fecdbdf29d8886cb8eb31436e2bf6cb1ce76de35ca496cbebc80505ee34e818a6bbed223e7540079c42553b3962c33f568eb

  • SSDEEP

    1536:34Edd0E6RJNvZO+uzA+QmMJUDmidraCOljmFSwP6AhUdcC/cl2h7ZBog3B:HbDmU5yPKg3B

Score
10/10
jigsawwannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealerworm

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\Ransomware.WannaCry\@[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

      sample

    • Size

      218KB

    • MD5

      3f06b47847759782317c7542e1b2c761

    • SHA1

      71880ad118b1e577fcc6839a6906b739dfe03c23

    • SHA256

      da4cc1b53a91259c68033e08d90e4bbef47df7ae48369a6b86e1f2de4d753932

    • SHA512

      6d68c779d7cb118a19917d083538fecdbdf29d8886cb8eb31436e2bf6cb1ce76de35ca496cbebc80505ee34e818a6bbed223e7540079c42553b3962c33f568eb

    • SSDEEP

      1536:34Edd0E6RJNvZO+uzA+QmMJUDmidraCOljmFSwP6AhUdcC/cl2h7ZBog3B:HbDmU5yPKg3B

    Score
    10/10
    jigsawwannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealerworm

    • Jigsaw Ransomware

      Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.

      ransomwarejigsaw

    • Jigsaw family

      jigsaw

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Wannacry

      WannaCry is a ransomware cryptoworm.

      ransomwarewormwannacry

    • Wannacry family

      wannacry

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (3709) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • 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

    • Drops desktop.ini file(s)

    • 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

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

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