General

  • Target

    8b4b233e87c61c8698e086b376da640c9ab2ecd71c58b1f6a2eceb60b7e1a691.sample

  • Size

    500KB

  • Sample

    210726-5f22nangd6

  • MD5

    dc82cd73d0738cfe2e49c499c2fa631e

  • SHA1

    81d1497490ee1ae20b2c87dff48cee31cdc4466f

  • SHA256

    8b4b233e87c61c8698e086b376da640c9ab2ecd71c58b1f6a2eceb60b7e1a691

  • SHA512

    6f67d86d4edb2ca0a31b2f206de7d1f6783124f30fedd527a2edf25efe6d885a5e64c8981dfbb91ab75dfa7213bc91465884ffb56747bb373911311c1c66f57d

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: Vtgjkcvcwxl@protonmail.com Greanxopdle@protonmail.com 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://wqmfzni2nvbbpk25.onion/ -------------- 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 to tell my boss? A: Protect Your System Amigo.

Targets

    • Target

      8b4b233e87c61c8698e086b376da640c9ab2ecd71c58b1f6a2eceb60b7e1a691.sample

    • Size

      500KB

    • MD5

      dc82cd73d0738cfe2e49c499c2fa631e

    • SHA1

      81d1497490ee1ae20b2c87dff48cee31cdc4466f

    • SHA256

      8b4b233e87c61c8698e086b376da640c9ab2ecd71c58b1f6a2eceb60b7e1a691

    • SHA512

      6f67d86d4edb2ca0a31b2f206de7d1f6783124f30fedd527a2edf25efe6d885a5e64c8981dfbb91ab75dfa7213bc91465884ffb56747bb373911311c1c66f57d

    • Mespinoza Ransomware

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

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Deletes itself

    • Reads user/profile data of web browsers

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

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Impact

Data Encrypted for Impact

1
T1486

Tasks