Analysis
- max time kernel
148s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
31/05/2024, 07:45
General
- Target bffe8df611b123873b0cb59f8e19255c8c9828452a32c811d922443c63c69c66.exe
- Size 1.0MB
- Sample240531-jlfe4scd66
- SHA256 bffe8df611b123873b0cb59f8e19255c8c9828452a32c811d922443c63c69c66
Malware Config
Extracted
-
djvu
-
http://sajdfue.com/test1/get.php
-
extension
.uajs
-
offline_id
Jx0i3k2ogR5cKxX1evmz0Ex7TUxOUlnbh2dvnIt1
-
payload_url
http://sdfjhuz.com/dl/build2.exe
http://sajdfue.com/files/1/build3.exe
-
ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/df01994dd8d37c2c33469922f8e7155a20240402134014/fd95b0 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0859PsawqS
Signatures
- Detected Djvu ransomware 3 IoCs
- Djvu Ransomware
Ransomware which is a variant of the STOP family.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bffe8df611b123873b0cb59f8e19255c8c9828452a32c811d922443c63c69c66.exe"C:\Users\Admin\AppData\Local\Temp\bffe8df611b123873b0cb59f8e19255c8c9828452a32c811d922443c63c69c66.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\bffe8df611b123873b0cb59f8e19255c8c9828452a32c811d922443c63c69c66.exe"C:\Users\Admin\AppData\Local\Temp\bffe8df611b123873b0cb59f8e19255c8c9828452a32c811d922443c63c69c66.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/852-7-0x0000000000400000-0x0000000002CDB000-memory.dmp
memory/852-3-0x0000000002D60000-0x0000000002D61000-memory.dmp
memory/852-4-0x0000000000400000-0x0000000002CDB000-memory.dmp
memory/852-1-0x0000000000400000-0x0000000002CDB000-memory.dmp
memory/852-5-0x0000000000401000-0x000000000040F000-memory.dmp
memory/852-2-0x0000000000400000-0x0000000002CDB000-memory.dmp
memory/852-0-0x0000000000400000-0x0000000002CDB000-memory.dmp
memory/852-8-0x0000000000400000-0x0000000002CDB000-memory.dmp
memory/852-13-0x0000000000401000-0x000000000040F000-memory.dmp
memory/852-12-0x0000000000400000-0x0000000002CDB000-memory.dmp
memory/3508-9-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3508-11-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3508-21-0x0000000000400000-0x0000000000537000-memory.dmp