General

  • Target

    1f5c1b02db3e7c002e7a706b410e62b6_JaffaCakes118

  • Size

    783KB

  • Sample

    240507-ef2zpsgh3v

  • MD5

    1f5c1b02db3e7c002e7a706b410e62b6

  • SHA1

    d09236b586997b3fc4f464cbe622eb57be759949

  • SHA256

    489c7b7ee9ae9d46261f547b45d7b1dcce3c06e351217647b024603eee673046

  • SHA512

    05ec966bf53e96aa82eea602705216acda51b9f2837ca3fdb883947d8ccf950afe69201026ff988265cbe8ed4730ff88163daa61b807b3ad6c10f464e662553c

  • SSDEEP

    12288:hlh4g0ku6gV76xW5TevBIeMBZ9viXPK3EJFa:fBIeMBZ9viXPK3Eu

Malware Config

Extracted

Path

C:\Users\Admin\BEFC93-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .befc93 -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. Additionally, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_befc93: 5RyOvlqN//Km4ak5vLWHXYNaVWw9BLO00IpM5ZlN353hw9JHow 0kZvmy8f6jxXium38yjLCgEwa9Z6jyeAbr6h3JdwWnA7UOsEsr MCsziF122MX9UrjneWYmDZFBolINvZ63GpZZTMlbkiYwnomJKZ +OFvC5wDsAm1UEW4NOPoO9p1yZVdOo44yGftl0/KZSDUObjosY iynthzcpoRpYHHFc9OTeaFbl3XEzmyWIw2YMnspcJd+VZbrs35 VQQTqIG/Nsldx80hCWb4BF11HVl0uFT3W3jxyjWw==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Program Files\7-Zip\8AB976-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .8ab976 -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. Additionally, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_8ab976: pnOUZMXPXrlnMmmWATx23lZfFblIVyM+odezDtNipcDl7zMQov KxJm2Oi2cSWQ1Bmabj4FpUEIcIw73Fc4ClC251KB642LtZsEsr MKATPSOVreJGCbxFzCdihn4naWwNC2ybuZILYkw/3uyHZJYOy9 DzxKyGz+mtY3DgQayPdOBHrPL63NKoGfx3+2JErpTQ75NjG+ki 51HVU8h6I9sDFR0aGNuCZiEkYm8Xx+2HE8/nNoNhCvAr8fMT0V jxNF2Jh2u0E+1YPu82XMso36O6o0KqJGlgh2tu1w==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Targets

    • Target

      1f5c1b02db3e7c002e7a706b410e62b6_JaffaCakes118

    • Size

      783KB

    • MD5

      1f5c1b02db3e7c002e7a706b410e62b6

    • SHA1

      d09236b586997b3fc4f464cbe622eb57be759949

    • SHA256

      489c7b7ee9ae9d46261f547b45d7b1dcce3c06e351217647b024603eee673046

    • SHA512

      05ec966bf53e96aa82eea602705216acda51b9f2837ca3fdb883947d8ccf950afe69201026ff988265cbe8ed4730ff88163daa61b807b3ad6c10f464e662553c

    • SSDEEP

      12288:hlh4g0ku6gV76xW5TevBIeMBZ9viXPK3EJFa:fBIeMBZ9viXPK3Eu

    • Netwalker Ransomware

      Ransomware family with multiple versions. Also known as MailTo.

    • Renames multiple (7443) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

MITRE ATT&CK Enterprise v15

Tasks