Overview

overview

10

Static

static

3

OperaSetup.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    OperaSetup.exe

  • Size

    2.0MB

  • Sample

    241130-v6f3xstqbr

  • MD5

    271269d8d69ef1e0eb683c8926f92215

  • SHA1

    7bf1a083b6fbf0ec9517668f0b2536cb89e8d102

  • SHA256

    6f200e8367eab016045a8295964728f115d49e8ba0f287b12a8092186aee2bf6

  • SHA512

    2309795e7f7a2f25fd5257870a840dad5d482c5e307a9f540829f931fdd84a2c9ae886fe59982deae48a5d849cc11e88e042f8b6f0ff6ba38db76802fbd9d7e1

  • SSDEEP

    49152:UVAbwuKbBgP4bW/rsMOgYf5yBVy96Ggari+0HxiQZv//:4Avqggqzsjz5i3++xiAvn

Score
10/10
wannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealerworm

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\@[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

      OperaSetup.exe

    • Size

      2.0MB

    • MD5

      271269d8d69ef1e0eb683c8926f92215

    • SHA1

      7bf1a083b6fbf0ec9517668f0b2536cb89e8d102

    • SHA256

      6f200e8367eab016045a8295964728f115d49e8ba0f287b12a8092186aee2bf6

    • SHA512

      2309795e7f7a2f25fd5257870a840dad5d482c5e307a9f540829f931fdd84a2c9ae886fe59982deae48a5d849cc11e88e042f8b6f0ff6ba38db76802fbd9d7e1

    • SSDEEP

      49152:UVAbwuKbBgP4bW/rsMOgYf5yBVy96Ggari+0HxiQZv//:4Avqggqzsjz5i3++xiAvn

    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

    • 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

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

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

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

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