General

  • Target

    Ransom.Win32.LCrypt0rX.zip

  • Size

    3.3MB

  • Sample

    241024-latvga1dmf

  • MD5

    20697ea483fa25e4c623d7df8a93a07a

  • SHA1

    cba0af992ae9dd0331dcd3a01affe919e681c8d5

  • SHA256

    c37651558d3b87df699354c3d54af3a6958ab7f9a4810387e5fbea1e58bf20cf

  • SHA512

    2e80dfdcc1ffd0d18b246b1f78ded24dfa202eab3ccdb5f24b35445f27d19dd75fc03e5abc22fc567958f7e25a1d9d2108b4ce6163642a54d5f4896209901ea5

  • SSDEEP

    98304:D5NNAWLPBOJlC9urQS//nSNLagcXOIARd7WIw52I7r:1zQJ09urQSyfcXMRw1X

Malware Config

Extracted

Path

C:\Users\Admin\Documents\@[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

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\other malware cuz why not\@[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

      Ransom.Win32.LCrypt0rX.A/LCrypt0rX with shutdown.vbs

    • Size

      19KB

    • MD5

      8aa664ce58b37ea055c57137b311de72

    • SHA1

      24296c2aa2aa9529db935e39b982c4d60d626ac7

    • SHA256

      560b7919733ca8a891743eae7080224114aa1d376f9f11c734c86cc119e8ac9f

    • SHA512

      132f8358848a23d046e5ad042eec110fbfb2f9baa296c92529be6fe9325ae53661c61cb0555feb4aade4f953bac20db671fafed1bd214f05a6076aca8e258ba5

    • SSDEEP

      384:tDqbplStxYHQHSH7l+iijqF2ZNvz1wj9byX+Ek8:lkMK2N+ED

    • UAC bypass

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Blocklisted process makes network request

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

    • Disables RegEdit via registry modification

    • Checks computer location settings

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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Target

      Ransom.Win32.LCrypt0rX.A/LCrypt0rX.vbs

    • Size

      19KB

    • MD5

      5e95d5012a68cd521e499869f432d41a

    • SHA1

      5225377f6e3f634dc10f37e727d39dce5b3425fc

    • SHA256

      150d5a11d4d5ee4ce4c41b63210e14bdbc80da07b0a7249f58de4e3bef7819bf

    • SHA512

      b0d39ddd55248cef9b95a16198a198f7f5e478e664691b663e04453c5f5eaa87f8d55d98d3df4b228464fad9021c05e9060b40e2d770962bc117b62314544c23

    • SSDEEP

      384:tDYbplStxYHQHSH7l+iijqF2ZNvz1wj9byX+EkO:lqMK2N+EX

    • UAC bypass

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Blocklisted process makes network request

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

    • Disables RegEdit via registry modification

    • Checks computer location settings

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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Target

      other malware cuz why not/[email protected]

    • Size

      3.4MB

    • MD5

      84c82835a5d21bbcf75a61706d8ab549

    • SHA1

      5ff465afaabcbf0150d1a3ab2c2e74f3a4426467

    • SHA256

      ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa

    • SHA512

      90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244

    • SSDEEP

      98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g3x:QqPe1Cxcxk3ZAEUadzR8yc4gB

    • 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

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks