Overview

overview

10

Static

static

10

W71my1HtQm.exe

windows7_x64

10

W71my1HtQm.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    sample-604995-339165f63aec8d7fd7798129d0fc68ad.zip

  • Size

    229KB

  • Sample

    220525-2rm19aefd9

  • MD5

    84d2df993ecc1d772411758180a426db

  • SHA1

    323f84604434cd4f120e1b938aa113e7dff5106b

  • SHA256

    8880aa3c00150fb4a6745b59b33c71dd6246b61309e81a15d8f6350616adfbd9

  • SHA512

    8675e1e4471dfc23b02351b918ac0993e0c1cecde53e6fb70f3816f0b93fec88f6988e965c51bd9f7b8fbc1620f36bf91ae296c1bcc8680e53099d99604a7b4f

Score
10/10
mespinozaransomwarespywarestealer

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: StivDuglass@protonmail.com LindaStruch@protonmail.com -------------- 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

      W71my1HtQm.exe

    • Size

      499KB

    • MD5

      339165f63aec8d7fd7798129d0fc68ad

    • SHA1

      07f594333ca9db110bbee37a9643988f4cc22933

    • SHA256

      0f0014669bc10a7d87472cafc05301c66516857607b920ddeb3039f4cb8f0a50

    • SHA512

      5ef9dbe0f29397adf00f0c4ace8f90fd0aba9a0c2016cecff02f68bcef5781bc5dcd32c18d9b54cc8025581ec6494990dd472cdd36c394637799907e5cc55e3b

    Score
    10/10
    mespinozaransomwarespywarestealer

    • Mespinoza Ransomware

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

      ransomwaremespinoza

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      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.

      spywarestealer
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Data Encrypted for Impact

1
T1486

Tasks