Resubmissions

28/03/2025, 16:33

250328-t2z5kayvbw10

25/03/2025, 14:33

250325-rwtz9axvhy10

25/03/2025, 14:30

250325-rt744a1ly810

05/02/2025, 10:34

250205-mmassssng110

05/02/2025, 10:33

250205-mlx7pssnfz10

13/01/2022, 17:53

220113-wgrc2abhgp10

General

  • Target
    scvhost.exe
  • Size 500KB
  • Sample250205-mlx7pssnfz
  • SHA256 5fa8c4ab6dc45672099078277903cce8e86ae1e310f24a0dd9862166e3c0e30c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • mespinoza

Attributes
  • ransomnote

    Hi Company, Every byte on any types of your devices was encrypted. Don't try to use backups because it were encrypted too. To get all your data back contact us: [email protected] Also, be aware that we downloaded files from your servers and in case of non-payment we will be forced to upload them on our website, and if necessary, we will sell them on the darknet. Check out our website, we just posted there new updates for our partners: http://pysa2bitc5ldeyfak4seeruqymqs4sj5wt5qkcq7aoyg4h2acqieywad.onion/ To go to our site you have to use TOR Browser. Download link: https://www.torproject.org/download/ -------------- FAQ: 1. Q: How can I make sure you don't fooling me? A: You can send us 2 files(max 2mb). 2. Q: What to do to get all data back? A: Don't restart the computer, don't move files and write us. 3. Q: What if I have no response? A: Wait and we will answer you in 24 hours. 4. Q: What to tell my boss? A: Protect Your System Amigo.

Extracted

Path
  • C:\Users\Readme.README

Ransom Note
  • Hi Company, Every byte on any types of your devices was encrypted. Don't try to use backups because it were encrypted too. To get all your data back contact us: [email protected] Also, be aware that we downloaded files from your servers and in case of non-payment we will be forced to upload them on our website, and if necessary, we will sell them on the darknet. Check out our website, we just posted there new updates for our partners: http://pysa2bitc5ldeyfak4seeruqymqs4sj5wt5qkcq7aoyg4h2acqieywad.onion/ To go to our site you have to use TOR Browser. Download link: https://www.torproject.org/download/ -------------- FAQ: 1. Q: How can I make sure you don't fooling me? A: You can send us 2 files(max 2mb). 2. Q: What to do to get all data back? A: Don't restart the computer, don't move files and write us. 3. Q: What if I have no response? A: Wait and we will answer you in 24 hours. 4. Q: What to tell my boss? A: Protect Your System Amigo.
URLs
  • http://pysa2bitc5ldeyfak4seeruqymqs4sj5wt5qkcq7aoyg4h2acqieywad.onion/

Targets

    • Target
      scvhost.exe
    • Size 500KB
    • SHA256 5fa8c4ab6dc45672099078277903cce8e86ae1e310f24a0dd9862166e3c0e30c
    • MD5 SHA1 SHA512 SSDEEP
    • Mespinoza Ransomware

      Also known as Pysa. Ransomware-as-a-servoce which first appeared in 2020.

    • Mespinoza family

    • Renames multiple (2569) 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.

    • Deletes itself

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

MITRE ATT&CK Enterprise v15

Tasks