Overview

overview

10

Static

static

10

FridayBoycrazyV2.exe

windows11-21h2-x64

10

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General

  • Target

    FridayBoycrazyV2.exe

  • Size

    280KB

  • Sample

    240812-a63ayaxdlk

  • MD5

    41e34a8240026b4e9cd8d81a73ee8b2c

  • SHA1

    3876b12e152dd552a7059538242b6f87a23e60f5

  • SHA256

    0ef2768bdfaa0b953a5c498f18bbf2df5dce249eaf2044474c476c4367c535b5

  • SHA512

    a7d610ee4f116121757f47193bf092b639cf2d439dcfa364ea800c28c0f21996fd8baa31c9abe68d2c18cc8f334c57f9d71c4e444a04a27d3b9cab90eecbba73

  • SSDEEP

    6144:1r93iyJ7/+WZT1kRnSeXSX9MNzxiMwP2OswK:iyJ7/+Wd1kRnFX4mNzxyeOswK

Score
10/10
chaoscredential_accessdefense_evasiondiscoveryevasionexecutionimpactransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\Documents\Warning.txt

Ransom Note
Your files has been encrypted By FridayBoycrazy and you won't be able to decrypt them without our help What can I do to get my files back You can buy our special decryption software, this software will allow you to recover all of your data and remove the ransomware from your computer The price for the software is $100 Dollars can be made in Venmo Or Robux only Please Contact Us At Gmail: [email protected] Discord Username: fridayboycrazy Payment information Venmo Amount: $100 Robux Payment Information: 10,000 Paid Ransom: https://www.roblox.com/game-pass/887175972 Paid Ransom: https://venmo.com/u/gratefulcode
URLs

https://www.roblox.com/game-pass/887175972

https://venmo.com/u/gratefulcode

Targets

    • Target

      FridayBoycrazyV2.exe

    • Size

      280KB

    • MD5

      41e34a8240026b4e9cd8d81a73ee8b2c

    • SHA1

      3876b12e152dd552a7059538242b6f87a23e60f5

    • SHA256

      0ef2768bdfaa0b953a5c498f18bbf2df5dce249eaf2044474c476c4367c535b5

    • SHA512

      a7d610ee4f116121757f47193bf092b639cf2d439dcfa364ea800c28c0f21996fd8baa31c9abe68d2c18cc8f334c57f9d71c4e444a04a27d3b9cab90eecbba73

    • SSDEEP

      6144:1r93iyJ7/+WZT1kRnSeXSX9MNzxiMwP2OswK:iyJ7/+Wd1kRnFX4mNzxyeOswK

    Score
    10/10
    chaoscredential_accessdefense_evasiondiscoveryevasionexecutionimpactransomwarespywarestealer

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

      credential_accessstealer

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Management Instrumentation

1
T1047

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

1
T1006

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Modify Registry

1
T1112

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Credentials from Password Stores

1
T1555

Windows Credential Manager

1
T1555.004

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

4
T1490

Tasks