mespinoza | 8880aa3c00150fb4a6745b59b33c71dd6246b61309e81a15d8f6350616adfbd9

Resubmissions

05-02-2025 10:30

250205-mj94gstpgl 10

05-02-2025 10:30

250205-mjtfqssmgt 10

25-05-2022 22:49

220525-2rm19aefd9 10

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General

Target

sample-604995-339165f63aec8d7fd7798129d0fc68ad.zip
Size

229KB
Sample

250205-mj94gstpgl
MD5

84d2df993ecc1d772411758180a426db
SHA1

323f84604434cd4f120e1b938aa113e7dff5106b
SHA256

8880aa3c00150fb4a6745b59b33c71dd6246b61309e81a15d8f6350616adfbd9
SHA512

8675e1e4471dfc23b02351b918ac0993e0c1cecde53e6fb70f3816f0b93fec88f6988e965c51bd9f7b8fbc1620f36bf91ae296c1bcc8680e53099d99604a7b4f
SSDEEP

6144:bGdyBIiDhMHtnawJTmewBqXAqoMGpzKh9:bU6IiatawJTmeI4AqoD69

Score

10^/10

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] [email protected] -------------- 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.

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] [email protected] -------------- 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.

Emails

[email protected]

Targets

- Target
  
  sample-604995-339165f63aec8d7fd7798129d0fc68ad.zip
- Size
  
  229KB
- MD5
  
  84d2df993ecc1d772411758180a426db
- SHA1
  
  323f84604434cd4f120e1b938aa113e7dff5106b
- SHA256
  
  8880aa3c00150fb4a6745b59b33c71dd6246b61309e81a15d8f6350616adfbd9
- SHA512
  
  8675e1e4471dfc23b02351b918ac0993e0c1cecde53e6fb70f3816f0b93fec88f6988e965c51bd9f7b8fbc1620f36bf91ae296c1bcc8680e53099d99604a7b4f
- SSDEEP
  
  6144:bGdyBIiDhMHtnawJTmewBqXAqoMGpzKh9:bU6IiatawJTmeI4AqoD69
Score

3^/10

discovery
behavioral1 behavioral2 behavioral3 behavioral4 behavioral5 behavioral6 behavioral7 behavioral8 behavioral9
- Target
  
  W71my1HtQm.exe
- Size
  
  499KB
- MD5
  
  339165f63aec8d7fd7798129d0fc68ad
- SHA1
  
  07f594333ca9db110bbee37a9643988f4cc22933
- SHA256
  
  0f0014669bc10a7d87472cafc05301c66516857607b920ddeb3039f4cb8f0a50
- SHA512
  
  5ef9dbe0f29397adf00f0c4ace8f90fd0aba9a0c2016cecff02f68bcef5781bc5dcd32c18d9b54cc8025581ec6494990dd472cdd36c394637799907e5cc55e3b
- SSDEEP
  
  12288:WLIv9fm79P+OeO+OeNhBBhhBBmBRW3aHhIBidMbDI8s9eJ:EIv9OxBRW3+hIIdE01e
Score

10^/10

mespinoza discovery ransomware spyware stealer
- Mespinoza Ransomware
  Also known as Pysa. Ransomware-as-a-servoce which first appeared in 2020.
  ransomware mespinoza
- Mespinoza family
  mespinoza
- Renames multiple (2725) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- 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.
  spyware stealer
behavioral10 behavioral11 behavioral12 behavioral13 behavioral14 behavioral15 behavioral16 behavioral17 behavioral18

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

Resubmissions

Sharing

General

Malware Config

Extracted

Extracted

Targets

Mespinoza Ransomware

Mespinoza family

Renames multiple (2725) files with added filename extension

Checks computer location settings

Deletes itself

Reads user/profile data of web browsers

MITRE ATT&CK Enterprise v15

Tasks

static1

behavioral1

behavioral2

behavioral3

behavioral4

behavioral5

behavioral6

behavioral7

behavioral8

behavioral9

behavioral10

behavioral11

behavioral12

behavioral13

behavioral14

behavioral15

behavioral16

behavioral17

behavioral18