General

  • Target

    7990fa877fec785fe61a58c3c7a5ab76

  • Size

    726KB

  • Sample

    240127-hpxccsfch2

  • MD5

    7990fa877fec785fe61a58c3c7a5ab76

  • SHA1

    deb2f3da015e94c6d4ef3ae14dd2e0df801d4686

  • SHA256

    27f13dee7cc319ab79efc4a3597e33a513cbd9457ccd570db534a730448b6dfd

  • SHA512

    4b92f1c133098cfd7ad8a3610cd6d74416257e3912ceec37d8a3916a7c62861562ff9f143d31833df711f5c8dceff09c69177e1daea2f1d8511c6fe7ba6d95f1

  • SSDEEP

    12288:MkEhD8/cHIH9L7kT05u3s01AykMjc6hDgiNFjTZtvOtZfI2weRjsxZBOYti:MkEB8tLgQ5A1Ay5c6BgiNFPWtJweWxti

Malware Config

Extracted

Family

djvu

C2

http://astdg.top/fhsgtsspen6/get.php

Attributes
  • extension

    .reqg

  • offline_id

    ioYmb0jtMMtue7xjmkS3WQWGWLR8FTQhb2giQtt1

  • payload_url

    http://securebiz.org/dl/build2.exe

    http://astdg.top/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-jTbSQT8ApY Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0324gDrgo

rsa_pubkey.plain

Targets

    • Target

      7990fa877fec785fe61a58c3c7a5ab76

    • Size

      726KB

    • MD5

      7990fa877fec785fe61a58c3c7a5ab76

    • SHA1

      deb2f3da015e94c6d4ef3ae14dd2e0df801d4686

    • SHA256

      27f13dee7cc319ab79efc4a3597e33a513cbd9457ccd570db534a730448b6dfd

    • SHA512

      4b92f1c133098cfd7ad8a3610cd6d74416257e3912ceec37d8a3916a7c62861562ff9f143d31833df711f5c8dceff09c69177e1daea2f1d8511c6fe7ba6d95f1

    • SSDEEP

      12288:MkEhD8/cHIH9L7kT05u3s01AykMjc6hDgiNFjTZtvOtZfI2weRjsxZBOYti:MkEB8tLgQ5A1Ay5c6BgiNFPWtJweWxti

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Renames multiple (163) files with added filename extension

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Modifies file permissions

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks