Overview

overview

10

Static

static

1

IMG_0049.png

windows10-2004-x64

10

IMG_0049.png

windows11-21h2-x64

3

Resubmissions

27-09-2024 20:53

240927-zpsgva1flc 3

27-09-2024 20:37

240927-zemtlsyckk 10

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General

  • Target

    IMG_0049.png

  • Size

    1.2MB

  • Sample

    240927-zemtlsyckk

  • MD5

    a4554a4172b37eca67ecab41333f047e

  • SHA1

    eb5aca5fad3d7bee7df85d0f1afebecf3f43c252

  • SHA256

    1a6079a61e8541ef2174ad2cfa922a9dea4a95c24e7b3d27b6ba7e5eec7ae240

  • SHA512

    9d2ab8ab974ac90bab4bd002380294c708d0143412a55ea8ff5518afb35d3e6fdff9b2635e33cc71626368a20d8a3323101b4ed9a0a2e7e330e6c9dabdbe1086

  • SSDEEP

    24576:Fk6Cf8B6PJ5fbTDhBbgbXBT7ysPhLwf6EWuFSRUSVJ4wjL6ezJuJ7kMCz3VFkbfj:Akgx9PN1W9ysad/FOZVJ4ML6l9Cr3kJR

Score
10/10
wannacrydefense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwareworm

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\WannaCry-main\WannaCry-main\@[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

      IMG_0049.png

    • Size

      1.2MB

    • MD5

      a4554a4172b37eca67ecab41333f047e

    • SHA1

      eb5aca5fad3d7bee7df85d0f1afebecf3f43c252

    • SHA256

      1a6079a61e8541ef2174ad2cfa922a9dea4a95c24e7b3d27b6ba7e5eec7ae240

    • SHA512

      9d2ab8ab974ac90bab4bd002380294c708d0143412a55ea8ff5518afb35d3e6fdff9b2635e33cc71626368a20d8a3323101b4ed9a0a2e7e330e6c9dabdbe1086

    • SSDEEP

      24576:Fk6Cf8B6PJ5fbTDhBbgbXBT7ysPhLwf6EWuFSRUSVJ4wjL6ezJuJ7kMCz3VFkbfj:Akgx9PN1W9ysad/FOZVJ4ML6l9Cr3kJR

    Score
    10/10
    wannacrydefense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwareworm

    • 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

    • Modifies Windows Firewall

      evasion

    • 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

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

      defense_evasion

    • Legitimate hosting services abused for malware hosting/C2

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • 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

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

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

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Modify Registry

3
T1112

Credential Access

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

6
T1012

System Information Discovery

6
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