General
-
Target
RNSM00467.7z
-
Size
45.7MB
-
Sample
241002-wvprcstdjd
-
MD5
5f627fc7873e169b68e9ef7b451af4e7
-
SHA1
0f93fa259755ebb3db906eeec451e7d33f70baf1
-
SHA256
e876044c37cc3f095ae06e90abf8c4acf3f51e8073e07f8db8d7759d5979830b
-
SHA512
840ddebf95227df1e958e8597d7ef65c5efefd714b09b6334bfd20deae9088a852b6abe104d89a8bf08b5c0eb2c7838d7ca599e95bea86158f246f0c669f17d3
-
SSDEEP
786432:EIZpaUGmOROZa4JakO54pLGERvqY/bLd6Q1SYZxdzqw4rxvttrDDo/ongF4m:v3GmOGa/9GG2x5zZLzqJxvnrgQngF4m
Static task
static1
Behavioral task
behavioral1
Sample
RNSM00467.7z
Resource
win10v2004-20240802-en
Malware Config
Extracted
https://cdn.discordapp.com/attachments/880265796767608892/882377555729063987/New_Text_Document.txt
Extracted
https://cdn.discordapp.com/attachments/880265796767608892/881902176195186728/New_Text_Document.txt
Extracted
C:\Users\Admin\Desktop\index.html
http
Extracted
djvu
http://tbpws.top/fhsgtsspen6/get.php
-
extension
.efdc
-
offline_id
rCmd3j4aykEBx0X7GSZFXZTRaA1p1vOlNlSS59t1
-
payload_url
http://securebiz.org/dl/build2.exe
http://tbpws.top/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. You can get and look video overview decrypt tool: https://we.tl/t-8FD9fC02w8 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. 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: 0332gDrgo
Extracted
C:\ProgramData\readme.txt
conti
http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/
https://contirecovery.xyz/
Targets
-
-
Target
RNSM00467.7z
-
Size
45.7MB
-
MD5
5f627fc7873e169b68e9ef7b451af4e7
-
SHA1
0f93fa259755ebb3db906eeec451e7d33f70baf1
-
SHA256
e876044c37cc3f095ae06e90abf8c4acf3f51e8073e07f8db8d7759d5979830b
-
SHA512
840ddebf95227df1e958e8597d7ef65c5efefd714b09b6334bfd20deae9088a852b6abe104d89a8bf08b5c0eb2c7838d7ca599e95bea86158f246f0c669f17d3
-
SSDEEP
786432:EIZpaUGmOROZa4JakO54pLGERvqY/bLd6Q1SYZxdzqw4rxvttrDDo/ongF4m:v3GmOGa/9GG2x5zZLzqJxvnrgQngF4m
-
Detected Djvu ransomware
-
GandCrab payload
-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
-
Downloads MZ/PE file
-
Modifies Windows Firewall
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
-
Loads dropped DLL
-
Modifies file permissions
-
Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
-
Adds Run key to start application
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Uses Tor communications
Malware can proxy its traffic through Tor for more anonymity.
-
Hide Artifacts: Hidden Files and Directories
-
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
File and Directory Permissions Modification
1Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
2Virtualization/Sandbox Evasion
2