avoslocker | 373a791f058539d72983e38ebe68e98132fcf996d04e9a181145f22a96689386

Analysis

max time kernel
146s
max time network
140s
platform
windows7_x64
resource
win7-en-20210920
submitted
28-09-2021 18:44

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General

Target

offline.exe
Size

915KB
MD5

1bdffb5a5d1986792c5a70ef39bfc5c1
SHA1

e7de910d60ff4f2dbfb7e42d77f0cbbec8ba1fca
SHA256

373a791f058539d72983e38ebe68e98132fcf996d04e9a181145f22a96689386
SHA512

6bceafc9098d42136f8a07a15486441b85c5410e716ce02d71f441ccda3dd75d748d7eb3b16df06eb424c55d289036688b18b1501bfdbf98d826ae6c5595cbab

Score

10^/10

avoslocker ransomware

Malware Config

Extracted

Path

C:\GET_YOUR_FILES_BACK.txt

Family

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://avosjon4pfh3y7ew3jdwz6ofw7lljcxlbk7hcxxmnxlh5kvf2akcqjad.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. Contact us soon, because those who don't have their data leaked in our press release blog and the price they'll have to pay will go up significantly. The corporations whom don't pay or fail to respond in a swift manner can be found in our blog, accessible at http://avosqxh72b5ia23dl5fgwcpndkctuzqvh2iefk5imp3pi5gfhel5klad.onion Your ID: fcf1575dad4fc1d9b259dfc17e0ae1c6e1eb7e142247c8410dd740bf8bc7efb1

URLs

http://avosjon4pfh3y7ew3jdwz6ofw7lljcxlbk7hcxxmnxlh5kvf2akcqjad.onion

http://avosqxh72b5ia23dl5fgwcpndkctuzqvh2iefk5imp3pi5gfhel5klad.onion

Signatures

Avoslocker Ransomware
Avoslocker is a relatively new ransomware, that was observed in late June and early July, 2021.
ransomware avoslocker

Modifies extensions of user files 9 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\UnprotectReceive.tiff => C:\Users\Admin\Pictures\UnprotectReceive.tiff.avos2	offline.exe
File opened for modification	C:\Users\Admin\Pictures\EditRevoke.tiff	offline.exe
File renamed	C:\Users\Admin\Pictures\EditRevoke.tiff => C:\Users\Admin\Pictures\EditRevoke.tiff.avos2	offline.exe
File opened for modification	C:\Users\Admin\Pictures\UnprotectReceive.tiff	offline.exe
File renamed	C:\Users\Admin\Pictures\ShowGroup.tiff => C:\Users\Admin\Pictures\ShowGroup.tiff.avos2	offline.exe
File renamed	C:\Users\Admin\Pictures\UnprotectMount.tif => C:\Users\Admin\Pictures\UnprotectMount.tif.avos2	offline.exe
File opened for modification	C:\Users\Admin\Pictures\ShowGroup.tiff	offline.exe
File renamed	C:\Users\Admin\Pictures\PingDismount.raw => C:\Users\Admin\Pictures\PingDismount.raw.avos2	offline.exe
File renamed	C:\Users\Admin\Pictures\SplitClose.tif => C:\Users\Admin\Pictures\SplitClose.tif.avos2	offline.exe

C:\Users\Admin\AppData\Local\Temp\offline.exe
"C:\Users\Admin\AppData\Local\Temp\offline.exe"
1⤵
- Modifies extensions of user files
PID:1324

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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