General

  • Target

    2cdb5edf3039863c30818ca34d9240cb0068ad33128895500721bcdca70c78fd.bin.sample

  • Size

    78KB

  • Sample

    210920-py7b9aebd9

  • MD5

    6e5986761cea340dce2efd4cf4f3790c

  • SHA1

    4a8ca4b5c04112a753e9ff5989b80f0b12e13654

  • SHA256

    2cdb5edf3039863c30818ca34d9240cb0068ad33128895500721bcdca70c78fd

  • SHA512

    8df4406a8807978df8690cb578cd00f8d22c2ad5ff78b8d87806484adcde2eaa2901f1da100c31f1538da0503043c78cb3856d0592af2f094901d864956b83af

Malware Config

Extracted

Family

blackmatter

Version

2.0

Botnet

6bed8cf959f0a07170c24bb972efd726

Credentials

  • Protocol:
    smtp
  • Port:
    587
  • Username:
    Administrator@rpi
  • Password:
    P0w3rPl4g

  • Protocol:
    smtp
  • Port:
    587
  • Username:
    2fatest@rpi
  • Password:
    poiu-0987

  • Protocol:
    smtp
  • Port:
    587
  • Username:
    2fauser@rpi
  • Password:
    1strongpassword!
C2

https://mojobiden.com

http://mojobiden.com

https://nowautomation.com

http://nowautomation.com

Attributes
  • attempt_auth

    true

  • create_mutex

    true

  • encrypt_network_shares

    true

  • exfiltrate

    true

  • mount_volumes

    true

rsa_pubkey.base64
aes.base64

Extracted

Path

C:\SykSKioSK.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://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/GBSLNRB4NL0OG6FX >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/GBSLNRB4NL0OG6FX

Targets

    • Target

      2cdb5edf3039863c30818ca34d9240cb0068ad33128895500721bcdca70c78fd.bin.sample

    • Size

      78KB

    • MD5

      6e5986761cea340dce2efd4cf4f3790c

    • SHA1

      4a8ca4b5c04112a753e9ff5989b80f0b12e13654

    • SHA256

      2cdb5edf3039863c30818ca34d9240cb0068ad33128895500721bcdca70c78fd

    • SHA512

      8df4406a8807978df8690cb578cd00f8d22c2ad5ff78b8d87806484adcde2eaa2901f1da100c31f1538da0503043c78cb3856d0592af2f094901d864956b83af

    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.

    • Loads dropped DLL

    • Enumerates connected drives

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

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Impact

Defacement

1
T1491

Tasks