General

  • Target

    90cf35560032c380ddaaa05d9ed6baacbc7526a94a992a07fd02f92f371a8e92

  • Size

    500KB

  • Sample

    210408-nwjvms1t1e

  • MD5

    bc92920af8fcf53ccf9efd3c9d52e13a

  • SHA1

    8ec2266a0e4c807973a27bc9cf5b10b4d11f6c5c

  • SHA256

    90cf35560032c380ddaaa05d9ed6baacbc7526a94a992a07fd02f92f371a8e92

  • SHA512

    a5a9c06cb664594f2ab18b5582faf6dc4f0c0e92978f3059b036d7855bec1b69ccf9591e7b0b535dae84f6dc63c3b414d10cb37d1dac14b481a4dc0dc4258d2d

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: luebegg8024@onionmail.org mayakinggw3732@onionmail.org lauriabornhat7722@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://pysa2bitc5ldeyfak4seeruqymqs4sj5wt5qkcq7aoyg4h2acqieywad.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

      90cf35560032c380ddaaa05d9ed6baacbc7526a94a992a07fd02f92f371a8e92

    • Size

      500KB

    • MD5

      bc92920af8fcf53ccf9efd3c9d52e13a

    • SHA1

      8ec2266a0e4c807973a27bc9cf5b10b4d11f6c5c

    • SHA256

      90cf35560032c380ddaaa05d9ed6baacbc7526a94a992a07fd02f92f371a8e92

    • SHA512

      a5a9c06cb664594f2ab18b5582faf6dc4f0c0e92978f3059b036d7855bec1b69ccf9591e7b0b535dae84f6dc63c3b414d10cb37d1dac14b481a4dc0dc4258d2d

    • 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