Overview

overview

10

Static

static

1

MEMZ.md

windows11-21h2-x64

10

Sharing

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General

  • Target

    MEMZ.md

  • Size

    208KB

  • Sample

    250326-s8qzssxyg1

  • MD5

    5361e1d92ea5c01a0318bdf39eecdac2

  • SHA1

    d10e329aaa2677059a1f297c882ee4add1aae246

  • SHA256

    65df221a3b76e85472932ff3fd2bbbb56b775b08b0fc0c01e1a510a678ff8494

  • SHA512

    9dfdb6a6c68c2ead68e9a6f0df8a4fd709ae74d16af6ec165206b38d2cc20449c0cbcd6400d575e5358817d01a6ce5d7216281c421a1a7e215972968ea65e108

  • SSDEEP

    6144:H7Ng5pOL/saqkPV97HILqgIDSsqIW9ZvZJT3CqbMrhryf65NRPaCieMjAkvCJv1h:bNg5pOL/saqkPV97HILqgIDSsqIW9Zvc

Score
10/10
wannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealerworm

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\@[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

      MEMZ.md

    • Size

      208KB

    • MD5

      5361e1d92ea5c01a0318bdf39eecdac2

    • SHA1

      d10e329aaa2677059a1f297c882ee4add1aae246

    • SHA256

      65df221a3b76e85472932ff3fd2bbbb56b775b08b0fc0c01e1a510a678ff8494

    • SHA512

      9dfdb6a6c68c2ead68e9a6f0df8a4fd709ae74d16af6ec165206b38d2cc20449c0cbcd6400d575e5358817d01a6ce5d7216281c421a1a7e215972968ea65e108

    • SSDEEP

      6144:H7Ng5pOL/saqkPV97HILqgIDSsqIW9ZvZJT3CqbMrhryf65NRPaCieMjAkvCJv1h:bNg5pOL/saqkPV97HILqgIDSsqIW9Zvc

    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

    • 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

Query Registry

2
T1012

System Information Discovery

2
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