Overview

overview

10

Static

static

1

RNSM00302.7z

windows7-x64

10

Sharing

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General

  • Target
    RNSM00302.7z
  • Size 5.7MB
  • Sample241113-xtc7lsxjev
  • SHA256 9689344d843d5e3b268f08a3fa3b57da2fa578b8c313ab3926e785c69ceb2383
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
dharmawannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwareworm

Malware Config

Extracted

Path

  • 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: 115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn 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

  • 115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn

Targets

    • Target
      RNSM00302.7z
    • Size 5.7MB
    • SHA256 9689344d843d5e3b268f08a3fa3b57da2fa578b8c313ab3926e785c69ceb2383
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    dharmawannacrydefense_evasiondiscoveryexecutionimpactpersistenceransomwareworm

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

      ransomwaredharma

    • Dharma family

      dharma

    • Wannacry

      WannaCry is a ransomware cryptoworm.

      ransomwarewormwannacry

    • Wannacry family

      wannacry

    • 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

    • Drops desktop.ini file(s)

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

      defense_evasion

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    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

Direct Volume Access

1
T1006

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

2
T1070

File Deletion

2
T1070.004

Modify Registry

1
T1112

Credential Access

Discovery

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2
T1490

Tasks