General

  • Target

    83b5eed2bc3b182170fd40ec8b8f5867_JaffaCakes118

  • Size

    80KB

  • Sample

    241031-2b8m1svaqp

  • MD5

    83b5eed2bc3b182170fd40ec8b8f5867

  • SHA1

    b4072bc41d10a822f0ca63094dd30eae6fa008a2

  • SHA256

    fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2

  • SHA512

    0c108e05c59831ee963122e2e77df1eb6ed8e0fd96f3b33fd1d1719447099144601cc3e28338bf6929933e80b885e3329f322f1831ed313e0859258484d48e16

  • SSDEEP

    1536:nnICS4A79p2qFTM2HT02F4mHI5mF7O3p6R9:0pOqFQ2HT025HI56

Malware Config

Extracted

Family

blackmatter

Version

2.0

Botnet

d0e84579a05c8e92e95eee8f5d0000e5

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:\gqBGwMBGo.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/5PRYG0PCO2OW528IDWU3VFPE >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/5PRYG0PCO2OW528IDWU3VFPE

Targets

    • Target

      83b5eed2bc3b182170fd40ec8b8f5867_JaffaCakes118

    • Size

      80KB

    • MD5

      83b5eed2bc3b182170fd40ec8b8f5867

    • SHA1

      b4072bc41d10a822f0ca63094dd30eae6fa008a2

    • SHA256

      fe2b2beeff98cae90f58a5b2f01dab31eaa98d274757a7dd9f70f4dc8432a6e2

    • SHA512

      0c108e05c59831ee963122e2e77df1eb6ed8e0fd96f3b33fd1d1719447099144601cc3e28338bf6929933e80b885e3329f322f1831ed313e0859258484d48e16

    • SSDEEP

      1536:nnICS4A79p2qFTM2HT02F4mHI5mF7O3p6R9:0pOqFQ2HT025HI56

    • BlackMatter Ransomware

      BlackMatter ransomware group claims to be Darkside and REvil succesor.

    • Blackmatter family

    • Renames multiple (146) 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