General

  • Target

    alterware-launcher.exe

  • Size

    2.7MB

  • Sample

    240918-hqlx1sxhjh

  • MD5

    4af0f95919968b3532fd5109f1e6fee6

  • SHA1

    bdd35631146d1cc10f43374a14dc3d9c80168d37

  • SHA256

    743db4f06c2d37ec3a1a5bc9869266638544b9acf24e1403e7776c1dff357284

  • SHA512

    c3292412774dbb72132803786e7f30b6b87f976660b34fe78aca2222080acdefde9d44484914bdc889a79ef0e22582b6752b1f170b9067926c4b562dee1d763a

  • SSDEEP

    49152:QTnKYBANPY2maIwCnY73C6YV0EoViMYdxHqPljH2mQtvt1w:Dv9jAtV1

Malware Config

Extracted

Family

crimsonrat

C2

185.136.161.124

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\Temp1_The-MALWARE-Repo-master.zip\The-MALWARE-Repo-master\Ransomware\@[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

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\Temp1_The-MALWARE-Repo-master.zip\The-MALWARE-Repo-master\Ransomware\!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: 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1 Next, please find the decrypt software on your desktop, an executable file named "!WannaDecryptor!.exe". If it does not exsit, download the software from the address below. (You may need to disable your antivirus for a while.) rar password: wcry123 Run and follow the instructions! �
Wallets

15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1

Targets

    • Target

      alterware-launcher.exe

    • Size

      2.7MB

    • MD5

      4af0f95919968b3532fd5109f1e6fee6

    • SHA1

      bdd35631146d1cc10f43374a14dc3d9c80168d37

    • SHA256

      743db4f06c2d37ec3a1a5bc9869266638544b9acf24e1403e7776c1dff357284

    • SHA512

      c3292412774dbb72132803786e7f30b6b87f976660b34fe78aca2222080acdefde9d44484914bdc889a79ef0e22582b6752b1f170b9067926c4b562dee1d763a

    • SSDEEP

      49152:QTnKYBANPY2maIwCnY73C6YV0EoViMYdxHqPljH2mQtvt1w:Dv9jAtV1

    • CrimsonRAT main payload

    • CrimsonRat

      Crimson RAT is a malware linked to a Pakistani-linked threat actor.

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • 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

    • 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 for any installed AV software in registry

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • 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

    • Mark of the Web detected: This indicates that the page was originally saved or cloned.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks