Overview

overview

10

Static

static

10

9bae897c19...58.exe

windows7-x64

10

9bae897c19...58.exe

windows10-2004-x64

10

9bae897c19...58.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    9bae897c19f237c22b6bdc024df27455e739be24bed07ef0d409f2df87eeda58.zip
  • Size 55KB
  • Sample240429-3hhkvaeb4v
  • SHA256 0bdce4d960e8b9537fbdcb4a70838be86163f355ba9f4344fd4982536924f27e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
blackmatter4e591a315c54e8800dae714320555fa5ransomware

Malware Config

Extracted

Family

  • blackmatter

Version

  • 3.0

Botnet

  • 4e591a315c54e8800dae714320555fa5

Credentials
Credentials
Credentials
C2

  • https://fluentzip.org

  • http://fluentzip.org

Attributes
  • attempt_auth

    true

  • create_mutex

    true

  • encrypt_network_shares

    true

  • exfiltrate

    true

  • mount_volumes

    true

rsa_pubkey.base64
aes.base64

Extracted

Path

  • C:\JBBoXFxoE.README.txt

  • blackmatter

Ransom Note
  • ~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> What happens? Your network is encrypted, and currently not operational. We need only money, after payment we will give you a decryptor for the entire network and you will restore all the data. >>> What data stolen? From your network was stolen large amount of data. If you do not contact us we will publish all your data in our blog and will send it to the biggest mass media. >>> What guarantees? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. If we do not give you decrypters or we do not delete your data, no one will pay us in the future, this does not comply with our goals. We always keep our promises. >> How to contact with us? 1. Download and install TOR Browser (https://www.torproject.org/). 2. Open http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/U6H6RKDF6W3B8XOWL >> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

  • http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/U6H6RKDF6W3B8XOWL

Targets

    • Target
      9bae897c19f237c22b6bdc024df27455e739be24bed07ef0d409f2df87eeda58.exe
    • Size 95KB
    • SHA256 9bae897c19f237c22b6bdc024df27455e739be24bed07ef0d409f2df87eeda58
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    blackmatterransomware

    • BlackMatter Ransomware

      BlackMatter ransomware group claims to be Darkside and REvil succesor.

      ransomwareblackmatter

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Sets desktop wallpaper using registry

      ransomware

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v15

Tasks