General

  • Target

    2024-03-21_cdbb4fff55080101d27e5072025557bd_blackmatter_darkside

  • Size

    67KB

  • Sample

    240321-zhl2gshh29

  • MD5

    cdbb4fff55080101d27e5072025557bd

  • SHA1

    bfe246551ac1b8fa50d75ab16f30df1f4ae57efc

  • SHA256

    ecdb0aac31e29d0fd369342965a1bc5880ac951ade510ef947c592edb5828f53

  • SHA512

    38c5f3ccdfdda988722ada0ada508153b0db0b62fcb7cb7782ed76005546be765f53d5ae1e98cfc411752571585c467f369c1068929c098cb371dd085ac82f0c

  • SSDEEP

    1536:RzICS4AT6GxdEe+TOdincJXvKvSZg3kl:qR7auJXSqZg3C

Score
10/10

Malware Config

Extracted

Path

C:\Sl7OiPzOX.README.txt

Family

blackmatter

Ransom Note
~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> What happens? Your network is encrypted, and currently not operational. We have downloaded 1TB from your fileserver. 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. >> Data leak includes 1. Full emloyeers personal data 2. Network information 3. Schemes of buildings, active project information, architect details and contracts, 4. Finance info >>> How to contact with us? 1. Download and install TOR Browser (https://www.torproject.org/). 2. Open http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/7NT6LXKC1XQHW5039BLOV. >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/7NT6LXKC1XQHW5039BLOV

Targets

    • Target

      2024-03-21_cdbb4fff55080101d27e5072025557bd_blackmatter_darkside

    • Size

      67KB

    • MD5

      cdbb4fff55080101d27e5072025557bd

    • SHA1

      bfe246551ac1b8fa50d75ab16f30df1f4ae57efc

    • SHA256

      ecdb0aac31e29d0fd369342965a1bc5880ac951ade510ef947c592edb5828f53

    • SHA512

      38c5f3ccdfdda988722ada0ada508153b0db0b62fcb7cb7782ed76005546be765f53d5ae1e98cfc411752571585c467f369c1068929c098cb371dd085ac82f0c

    • SSDEEP

      1536:RzICS4AT6GxdEe+TOdincJXvKvSZg3kl:qR7auJXSqZg3C

    Score
    10/10
    • BlackMatter Ransomware

      BlackMatter ransomware group claims to be Darkside and REvil succesor.

    • Renames multiple (149) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks