blackmatter | b824bbc645f15e213b4cb2628f7d383e9e37282059b03f6fe60f7c84ea1fed1f

General

Target

1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118
Size

72KB
Sample

241007-rc4ekssfkg
MD5

1dd464cbb3fbd6881eef3f05b8b1fbd5
SHA1

cafd8d20f2abaebbbfc367b4b4512107362f3758
SHA256

b824bbc645f15e213b4cb2628f7d383e9e37282059b03f6fe60f7c84ea1fed1f
SHA512

1564fffe28c2b7c2b18c35d68e3e254106620b2c3b7b5f41b95cfbb3a2cf0d9c42616d670b4060d09129ff18f0148c03e00bbd205f9d10697b265109a43d053c
SSDEEP

1536:yICS4AgxwhjEO3r825exqkHYnKeGsXqsMt:R2SN3mxYnKr

Score

10^/10

Malware Config

Extracted

Family

blackmatter

Version

1.6

Botnet

0c6ca0532355a106258791f50b66c153

Attributes

attempt_auth
false
create_mutex
false
encrypt_network_shares
true
exfiltrate
false
mount_volumes
true

rsa_pubkey.base64

aes.base64

Extracted

Path

C:\Users\uSeecXGeJ.README.txt

Family

blackmatter

Ransom Note

~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> Hello B&G International >>> 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/RSW33BDOYPLWM78U9A09BZDI >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.

URLs

http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/RSW33BDOYPLWM78U9A09BZDI

Targets

- Target
  
  1dd464cbb3fbd6881eef3f05b8b1fbd5_JaffaCakes118
- Size
  
  72KB
- MD5
  
  1dd464cbb3fbd6881eef3f05b8b1fbd5
- SHA1
  
  cafd8d20f2abaebbbfc367b4b4512107362f3758
- SHA256
  
  b824bbc645f15e213b4cb2628f7d383e9e37282059b03f6fe60f7c84ea1fed1f
- SHA512
  
  1564fffe28c2b7c2b18c35d68e3e254106620b2c3b7b5f41b95cfbb3a2cf0d9c42616d670b4060d09129ff18f0148c03e00bbd205f9d10697b265109a43d053c
- SSDEEP
  
  1536:yICS4AgxwhjEO3r825exqkHYnKeGsXqsMt:R2SN3mxYnKr
Score

10^/10

blackmatter discovery ransomware
- BlackMatter Ransomware
  BlackMatter ransomware group claims to be Darkside and REvil succesor.
  ransomware blackmatter
- Renames multiple (149) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Sets desktop wallpaper using registry
  ransomware
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2