Resubmissions

03-07-2024 11:08

240703-m8zn2szbng 10

03-07-2024 11:04

240703-m6ldmszapg 8

General

  • Target

    WaveInstaller.exe

  • Size

    1.5MB

  • Sample

    240703-m8zn2szbng

  • MD5

    c822ab5332b11c9185765b157d0b6e17

  • SHA1

    7fe909d73a24ddd87171896079cceb8b03663ad4

  • SHA256

    344700d3141170111a9b77db100f6961cc54a2988d964d34f7e1ca57aa42aa2a

  • SHA512

    a8612836fb4714b939d03f7fe08391bbc635ca83ab853fc677159e5db6b00f76b9b586bdae9c19d2406d9a2713d1caf614132cb6c14e1dddc6ac45e47f7e5a5d

  • SSDEEP

    24576:9viinbT3ipyqwPx4x3RyFoBkkAd04wJAAh/jV1gJcPNZI6fntX3HOt2pbs81ind2:EinbT3ipTD0anywJAaD/3U2pb7indT

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: 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

      WaveInstaller.exe

    • Size

      1.5MB

    • MD5

      c822ab5332b11c9185765b157d0b6e17

    • SHA1

      7fe909d73a24ddd87171896079cceb8b03663ad4

    • SHA256

      344700d3141170111a9b77db100f6961cc54a2988d964d34f7e1ca57aa42aa2a

    • SHA512

      a8612836fb4714b939d03f7fe08391bbc635ca83ab853fc677159e5db6b00f76b9b586bdae9c19d2406d9a2713d1caf614132cb6c14e1dddc6ac45e47f7e5a5d

    • SSDEEP

      24576:9viinbT3ipyqwPx4x3RyFoBkkAd04wJAAh/jV1gJcPNZI6fntX3HOt2pbs81ind2:EinbT3ipTD0anywJAaD/3U2pb7indT

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

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

    • Legitimate hosting services abused for malware hosting/C2

    • Sets desktop wallpaper using registry

MITRE ATT&CK Matrix ATT&CK v13

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

File and Directory Permissions Modification

2
T1222

Windows File and Directory Permissions Modification

1
T1222.001

Modify Registry

4
T1112

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

1
T1490

Defacement

1
T1491

Tasks