Resubmissions

11-07-2024 18:37

240711-w9z6ms1gmc 10

11-07-2024 08:47

240711-kp9zkayfjn 10

General

  • Target

    NO-ESCAPE-main.zip

  • Size

    732KB

  • Sample

    240711-w9z6ms1gmc

  • MD5

    9172731ba3f16b578bcb14000ccbccd4

  • SHA1

    e7ab716661ed88ecf060dc5d53720877b141eac9

  • SHA256

    ce0a32e35b7c79e7e2ffe7bd3c7566a6fb843341268ad50f4a594e56e17a5110

  • SHA512

    3a35995b6dadf408ca69699220120bba5f70fb3c2a850165ab11dad03821c8ce316bf7e9662f8976e0bf659cdb9adf0c8d0d7beca22b59480e4830dc5e02666c

  • SSDEEP

    12288:RhHGV4kchbcLL5pKYy89+cKOHQ05rwEc21etvfURHmsHKaMekSij9EgnSrojr:RhH3llcLL5vV9+vOHJUEchweReC9vnSq

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\Temp1_Ransomware.WannaCry.zip\@[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: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw 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

12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw

Targets

    • Target

      NO-ESCAPE-main/No Escape.exe

    • Size

      771KB

    • MD5

      2782877418b44509fd306fd9afe43e39

    • SHA1

      b0c18bdf782ca9c4fa41074f05458ce8e0f3961b

    • SHA256

      56d612e014504c96bb92429c31eb93f40938015d422b35765912ac4e6bd3755b

    • SHA512

      8826881b3ab406ee4c1fabd4848161f8524aeaeb7c4397384d36840f947ef95c8560850b2409fbf761ff225cdc8ac6eb875b705476fe9574b23c7a5478505a86

    • SSDEEP

      24576:OeTrmlZGPL7NV9+VitFsQUxY8BGOdQSqZ:hT6KDrmIFsBJBG4XqZ

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • 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

    • Checks installed software on the system

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

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

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks