Overview

overview

10

Static

static

3

mtksecbypass_v12.exe

windows10-2004-x64

10

mtksecbypass_v12.exe

windows11-21h2-x64

3

Sharing

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General

  • Target

    mtksecbypass_v12.exe

  • Size

    19.7MB

  • Sample

    241124-qq99lsxrcl

  • MD5

    978ce2baacdc4a4d370d2cad1014641d

  • SHA1

    524b43651a20a3a5da3f6c6bc7a12f2caa17feef

  • SHA256

    6d0b760cfe0b66dfb3b535f9571183913389ad88719adaff630d9c04fd4f36fc

  • SHA512

    ec7bc18eedd235e473469864c61a48a6cf59402235235fa37f96ecfd2f48b21cba0812183b3b70d4c615f80451a30247f0ee0cdc0c12ea559d0b7ad224aff790

  • SSDEEP

    393216:vzmS2D1u1e3CL3rbg2cXXO5e3O/U4DW2rJJsv6tWKFdu9CJZdi:75I4Vbg2cu5D/U4DhrLZc

Score
10/10
wannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealerworm

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\!Please Read Me!.txt

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: 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1 Next, please find the decrypt software on your desktop, an executable file named "!WannaDecryptor!.exe". If it does not exsit, download the software from the address below. (You may need to disable your antivirus for a while.) rar password: wcry123 Run and follow the instructions! �
Wallets

15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1

Targets

    • Target

      mtksecbypass_v12.exe

    • Size

      19.7MB

    • MD5

      978ce2baacdc4a4d370d2cad1014641d

    • SHA1

      524b43651a20a3a5da3f6c6bc7a12f2caa17feef

    • SHA256

      6d0b760cfe0b66dfb3b535f9571183913389ad88719adaff630d9c04fd4f36fc

    • SHA512

      ec7bc18eedd235e473469864c61a48a6cf59402235235fa37f96ecfd2f48b21cba0812183b3b70d4c615f80451a30247f0ee0cdc0c12ea559d0b7ad224aff790

    • SSDEEP

      393216:vzmS2D1u1e3CL3rbg2cXXO5e3O/U4DW2rJJsv6tWKFdu9CJZdi:75I4Vbg2cu5D/U4DhrLZc

    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

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

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

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Modify Registry

2
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

Query Registry

1
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