Overview

overview

10

Static

static

1

lol sigma.png

windows10-1703-x64

3

lol sigma.png

windows10-2004-x64

3

lol sigma.png

windows11-21h2-x64

10

Sharing

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General

  • Target

    lol sigma.png

  • Size

    581KB

  • Sample

    240829-qc7assshlh

  • MD5

    c81328a92437a5fb47ad8ac7a201ecb9

  • SHA1

    2abfdd3b313613984e5df397d8d61a134a5fdd6f

  • SHA256

    dc0e066dda94f846f61cc031d499b60eefd48a2d1fa54aff1a5b85def4fa072f

  • SHA512

    a832bf20cd76da90911102b51b74446c0ec33a552ee65214ce0f411a511507342f8ac7444eba11754b3bd23b26c61487c586bb8349db4987c7f8e11cfabbee94

  • SSDEEP

    12288:lWvPh+N/YFnuDjzkJLwnIQWbKMjCWLl0JqOnTsQ6soQK:kI/8nkkV8IQMj96bnTffoQK

Score
10/10
wannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwareworm

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\Temp1_Ransomware.WannaCry.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: 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

      lol sigma.png

    • Size

      581KB

    • MD5

      c81328a92437a5fb47ad8ac7a201ecb9

    • SHA1

      2abfdd3b313613984e5df397d8d61a134a5fdd6f

    • SHA256

      dc0e066dda94f846f61cc031d499b60eefd48a2d1fa54aff1a5b85def4fa072f

    • SHA512

      a832bf20cd76da90911102b51b74446c0ec33a552ee65214ce0f411a511507342f8ac7444eba11754b3bd23b26c61487c586bb8349db4987c7f8e11cfabbee94

    • SSDEEP

      12288:lWvPh+N/YFnuDjzkJLwnIQWbKMjCWLl0JqOnTsQ6soQK:kI/8nkkV8IQMj96bnTffoQK

    Score
    10/10
    wannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwareworm

    • 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

    • 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

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2behavioral3

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

4
T1112

Credential Access

Discovery

Browser Information Discovery

1
T1217

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