General

  • Target

    55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe

  • Size

    66KB

  • Sample

    221228-sf6vjsdg3y

  • MD5

    8e09e25c6dd51a06b9383457a5ec4b1e

  • SHA1

    bb04c8d83f8946c3e03386269b290fb338c07dae

  • SHA256

    55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843

  • SHA512

    5ff01b4a419f3e25b5b3b154b556dd847a33aff884e25fc2c827bdf7c2d10b77affb7908f46b7400c293470314984ad771303d6468c6909b86093af9fca0414b

  • SSDEEP

    1536:1zICS4AT6GxdEe+TOdincJXvKvWLBjklE:WR7auJXSOhCE

Malware Config

Extracted

Family

blackmatter

Version

1.2

Botnet

bab21ee475b52c0c9eb47d23ec9ba1d1

C2

https://paymenthacks.com

http://paymenthacks.com

https://mojobiden.com

http://mojobiden.com

Attributes
  • attempt_auth

    false

  • create_mutex

    true

  • encrypt_network_shares

    true

  • exfiltrate

    true

  • mount_volumes

    true

rsa_pubkey.base64
aes.base64

Extracted

Path

C:\mbNfo6Nfs.README.txt

Family

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 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://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/GDBJS76DH3D4IKQD2QO7R. >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/GDBJS76DH3D4IKQD2QO7R

Targets

    • Target

      55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843.exe

    • Size

      66KB

    • MD5

      8e09e25c6dd51a06b9383457a5ec4b1e

    • SHA1

      bb04c8d83f8946c3e03386269b290fb338c07dae

    • SHA256

      55926e8f3e48c5cc5a1e6279045a5ae39c26dcc79e84411d34f7b2158042a843

    • SHA512

      5ff01b4a419f3e25b5b3b154b556dd847a33aff884e25fc2c827bdf7c2d10b77affb7908f46b7400c293470314984ad771303d6468c6909b86093af9fca0414b

    • SSDEEP

      1536:1zICS4AT6GxdEe+TOdincJXvKvWLBjklE:WR7auJXSOhCE

    Score
    10/10
    • BlackMatter Ransomware

      BlackMatter ransomware group claims to be Darkside and REvil succesor.

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks