Overview

overview

10

Static

static

10

Ransomware.exe

windows11-21h2-x64

10

Resubmissions

18-04-2024 20:00

240418-yrb27sef61 10

29-03-2024 09:48

240329-ls75tafa83 10

23-03-2024 00:07

240323-aetjqaag89 10

19-03-2024 21:11

240319-z1p6vsgd61 10

19-03-2024 21:07

240319-zygrpsgc9y 10

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General

  • Target

    Ransomware.exe

  • Size

    127KB

  • Sample

    240418-yrb27sef61

  • MD5

    6f014d20774a7ec9869e54fe3d977f11

  • SHA1

    2f05737ded3e8f2a6c7468482a6d500ec32d7d30

  • SHA256

    3688345fc9eaee1073bfb24872d397a180a784e263b7a3b0ef91a8cd2bdad747

  • SHA512

    c67358c788beab21c192032fd157dbfaa81398c719a4d4091d49bef2d02c364760f1fac23721e433d7d10a7f25779db143a5f4f68cc07a500e14cb6b544852a8

  • SSDEEP

    1536:KNboAHq9CTesdi+y1WAPoRD9AuH7x9Z2eVGjzfnvI7BpxZe2WyKlsEX7xuTI3:ulHq9CliXWAPEV9Ue4znvqg2WVrxua

Score
10/10
chaosevasionpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\Contacts\read_it.txt

Ransom Note
Don't worry, you can return all your files! All your files like documents, photos, databases and other important are encrypted What guarantees do we give to you? You can send 3 of your encrypted files and we decrypt it for free. You must follow these steps To decrypt your files : 1) Write on our e-mail :test@test.com ( In case of no answer in 24 hours check your spam folder or write us to this e-mail: test2@test.com) 2) Obtain Bitcoin (You have to pay for decryption in Bitcoins. After payment we will send you the tool that will decrypt all your files.)
Emails

test@test.com

test2@test.com

Targets

    • Target

      Ransomware.exe

    • Size

      127KB

    • MD5

      6f014d20774a7ec9869e54fe3d977f11

    • SHA1

      2f05737ded3e8f2a6c7468482a6d500ec32d7d30

    • SHA256

      3688345fc9eaee1073bfb24872d397a180a784e263b7a3b0ef91a8cd2bdad747

    • SHA512

      c67358c788beab21c192032fd157dbfaa81398c719a4d4091d49bef2d02c364760f1fac23721e433d7d10a7f25779db143a5f4f68cc07a500e14cb6b544852a8

    • SSDEEP

      1536:KNboAHq9CTesdi+y1WAPoRD9AuH7x9Z2eVGjzfnvI7BpxZe2WyKlsEX7xuTI3:ulHq9CliXWAPEV9Ue4znvqg2WVrxua

    Score
    10/10
    chaosevasionpersistenceransomwarespywarestealer

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Disables Task Manager via registry modification

      evasion

    • 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

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

2
T1082

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

4
T1490

Defacement

1
T1491

Resource Development

Reconnaissance

Tasks