Overview

overview

10

Static

static

10

WannaCry.exe

windows7-x64

10

WannaCry.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    WannaCry.EXE

  • Size

    3.4MB

  • Sample

    230625-n51bvaeh5t

  • MD5

    80d2cfccef17caa46226147c1b0648e6

  • SHA1

    4540c60c99594ebd49e0ede7d2070b00f5fb021b

  • SHA256

    91afb972e14584bc1e23802e2b26813f57b802689fe61a540fdaf162cecd7493

  • SHA512

    d0c245182b1f984f244a49267ead57296002f31d4ce36102508b604f85aa32a879a80f628312e1332f04104af35da0947b3c0e0eec35385bbac7540345f8a99b

  • SSDEEP

    98304:JPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g36R:JPe1Cxcxk3ZAEUadzR8yc4gKR

Score
10/10
neshtawannacrydiscoverypersistenceransomwarespywarestealerworm

Malware Config

Extracted

Path

C:\Users\Admin\Documents\@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: 13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94 Next, please find an application file named "@WanaDecryptor@.exe". 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

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\3582-490\@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: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw Next, please find an application file named "@WanaDecryptor@.exe". 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

      WannaCry.EXE

    • Size

      3.4MB

    • MD5

      80d2cfccef17caa46226147c1b0648e6

    • SHA1

      4540c60c99594ebd49e0ede7d2070b00f5fb021b

    • SHA256

      91afb972e14584bc1e23802e2b26813f57b802689fe61a540fdaf162cecd7493

    • SHA512

      d0c245182b1f984f244a49267ead57296002f31d4ce36102508b604f85aa32a879a80f628312e1332f04104af35da0947b3c0e0eec35385bbac7540345f8a99b

    • SSDEEP

      98304:JPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g36R:JPe1Cxcxk3ZAEUadzR8yc4gKR

    Score
    10/10
    neshtawannacrydiscoverypersistenceransomwarespywarestealerworm

    • Detect Neshta payload

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

      persistencespywareneshta

    • Wannacry

      WannaCry is a ransomware cryptoworm.

      ransomwarewormwannacry

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Modifies system executable filetype association

      persistence

    • 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

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

1
T1060

Hidden Files and Directories

1
T1158

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

File Permissions Modification

1
T1222

Modify Registry

4
T1112

Hidden Files and Directories

1
T1158

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Defacement

1
T1491

Tasks