General

  • Target

    e88479a6a059eb522d2fec40fe2e1a88

  • Size

    80KB

  • Sample

    231220-t1px7scbfj

  • MD5

    e88479a6a059eb522d2fec40fe2e1a88

  • SHA1

    4bea73917d60c7b09c3f74ca2b1c80f27492b15f

  • SHA256

    ccee26ea662c87a6c3171b091044282849cc8d46d4b9b9da6cf429b8114c4239

  • SHA512

    40e9533188e2b76e27e095c8141851fa7dcddf85ddd686494ada2a48978ea429e6f507a0504a545c79df7dfcdd516ce162e5893704018a4a23c4fd5ae7ad9bc8

  • SSDEEP

    1536:unICS4A79p2qFTM2HT02F4mHI5mCTXOuZr:JpOqFQ2HT025HuTXN

Malware Config

Extracted

Family

blackmatter

Version

2.0

Botnet

58c572785e542f3750b57601df612fc4

Attributes
  • attempt_auth

    false

  • create_mutex

    false

  • encrypt_network_shares

    true

  • exfiltrate

    false

  • mount_volumes

    true

rsa_pubkey.base64
aes.base64

Extracted

Path

C:\krIQ2dkQs.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/YX6RXMC65MRX8LLQ >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/YX6RXMC65MRX8LLQ

Targets

    • Target

      e88479a6a059eb522d2fec40fe2e1a88

    • Size

      80KB

    • MD5

      e88479a6a059eb522d2fec40fe2e1a88

    • SHA1

      4bea73917d60c7b09c3f74ca2b1c80f27492b15f

    • SHA256

      ccee26ea662c87a6c3171b091044282849cc8d46d4b9b9da6cf429b8114c4239

    • SHA512

      40e9533188e2b76e27e095c8141851fa7dcddf85ddd686494ada2a48978ea429e6f507a0504a545c79df7dfcdd516ce162e5893704018a4a23c4fd5ae7ad9bc8

    • SSDEEP

      1536:unICS4A79p2qFTM2HT02F4mHI5mCTXOuZr:JpOqFQ2HT025HuTXN

    Score
    10/10
    • BlackMatter Ransomware

      BlackMatter ransomware group claims to be Darkside and REvil succesor.

    • Renames multiple (127) 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 Matrix ATT&CK v13

Defense Evasion

Modify Registry

1
T1112

Impact

Defacement

1
T1491

Tasks