Overview

overview

10

Static

static

1

hel.txt

windows11-21h2-x64

Sharing

Copy URL
Twitter E-mail

General

  • Target

    hel.txt

  • Size

    244B

  • Sample

    240816-jwr7naxgkq

  • MD5

    da0f814f2dc31ac1076cdd89a44e8d92

  • SHA1

    5ab7fb0c68a2cdfd5c8571c168e260982daae757

  • SHA256

    905bb2585fdd9626b300e917ec0e4f89dd5fbea6381684efe5008551c5cc5902

  • SHA512

    782a6a4744f20c13768c91bf429e7245b43f40e5c14d22077207a6ca9d30330a1b333b2baeb8a08613c9b0f031ee338aff1befdae2081dd17c166e8679a49403

Score
10/10
wannacrybootkitdefense_evasiondiscoveryexecutionimpactpersistenceransomwareworm

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: 13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94 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

13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94

Targets

    • Target

      hel.txt

    • Size

      244B

    • MD5

      da0f814f2dc31ac1076cdd89a44e8d92

    • SHA1

      5ab7fb0c68a2cdfd5c8571c168e260982daae757

    • SHA256

      905bb2585fdd9626b300e917ec0e4f89dd5fbea6381684efe5008551c5cc5902

    • SHA512

      782a6a4744f20c13768c91bf429e7245b43f40e5c14d22077207a6ca9d30330a1b333b2baeb8a08613c9b0f031ee338aff1befdae2081dd17c166e8679a49403

    Score
    10/10
    wannacrybootkitdefense_evasiondiscoveryexecutionimpactpersistenceransomwareworm

    • 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

    • 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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • 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

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

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

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
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