General
- Target 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856
- Size 402KB
- Sample260615-t39emacz6z
- SHA256 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856
- MD5 d285f1366d0d4fdae0b558db690497ea
- SHA1 f6f94e2f49cd64a9590963ef3852e135e2b8deba
- SHA512 0922a6698c9a63935289fed5f70eff7cd4603c113410e713bcff6039a70edd1b505af503fb0f9e19b21f56cacba1d774c9a51dc275be2a0d67477731c5cc2718
- SSDEEP 12288:L5rxhWsTDzB6BybYxl+xX4VpMDEvqXHRAS0uayw4HxsNI4j:L5rxhW6PB6BybYxlWX/DEv4eow
- TLSH T13C94AF223691E032D9B211304F69D6755A7EF4300E220ADBB7E46F2E5F716919B32F27
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856.exe
Resource
win10v2004-20260513-en
5 signatures
300 seconds
Malware Config
Extracted
Path
-
C:\Recovery\GET_YOUR_FILES_BACK.txt
-
avoslocker
Ransom Note
- Attention! Your files have been encrypted using AES-256. We highly suggest not shutting down your computer in case encryption process is not finished, as your files may get corrupted. In order to decrypt your files, you must pay for the decryption key & application. You may do so by visiting us at http://avos2fuj6olp6x36.onion. This is an onion address that you may access using Tor Browser which you may download at https://www.torproject.org/download/ Details such as pricing, how long before the price increases and such will be available to you once you enter your ID presented to you below in this note in our website. Hurry up, as the price may increase in the following days. If you fail to respond in a swift manner, we will leak your files in our press release/blog website accessible at http://avos53nnmi4u6amh.onion/ Message from agent: We have exfiltrated confidential documents, passports scans, social security numbers and financial documents. All data will be leaked if you do not cooperate! Your ID: 168e11dcf2c8e477a570a445a82dec00ed1ae418a6722075b2986ccfd661f2d6
URLs
-
http://avos2fuj6olp6x36.onion
-
http://avos53nnmi4u6amh.onion/
Targets
-
- Target 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856
- Size 402KB
- SHA256 43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856
- MD5 d285f1366d0d4fdae0b558db690497ea
- SHA1 f6f94e2f49cd64a9590963ef3852e135e2b8deba
- SHA512 0922a6698c9a63935289fed5f70eff7cd4603c113410e713bcff6039a70edd1b505af503fb0f9e19b21f56cacba1d774c9a51dc275be2a0d67477731c5cc2718
- SSDEEP 12288:L5rxhWsTDzB6BybYxl+xX4VpMDEvqXHRAS0uayw4HxsNI4j:L5rxhW6PB6BybYxlWX/DEv4eow
- TLSH T13C94AF223691E032D9B211304F69D6755A7EF4300E220ADBB7E46F2E5F716919B32F27
- MD5 SHA1 SHA512 SSDEEP TLSH
Score10/10-
Family: Avoslocker Ransomware
Avoslocker is a relatively new ransomware, that was observed in late June and early July, 2021.
-
Renames multiple (55) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.