General
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Target
https://koroas.com.tr/wp-upload/file_release2.rar
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Sample
240227-s5ykgadb71
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://koroas.com.tr/wp-upload/file_release2.rar
Resource
win10v2004-20240226-en
Malware Config
Extracted
smokeloader
pub3
Extracted
risepro
193.233.132.49:50500
193.233.132.62
Extracted
smokeloader
2022
http://selebration17io.io/index.php
http://vacantion18ffeu.cc/index.php
http://valarioulinity1.net/index.php
http://buriatiarutuhuob.net/index.php
http://cassiosssionunu.me/index.php
http://sulugilioiu19.net/index.php
http://goodfooggooftool.net/index.php
Extracted
djvu
http://habrafa.com/test2/get.php
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extension
.lkfr
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offline_id
OxV6DGl22io8sqMOW1zCCOlzPiv4f1Vqzw7Y8zt1
- payload_url
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ransomnote
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Extracted
tofsee
vanaheim.cn
jotunheim.name
Extracted
vidar
8
ab8ba484d8a6c9be7d043c05bea0aa9f
https://t.me/neoschats
https://steamcommunity.com/profiles/76561199644883218
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profile_id_v2
ab8ba484d8a6c9be7d043c05bea0aa9f
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user_agent
Mozilla/5.0 (Linux; Android 11; M2102J20SG) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.99 Mobile Safari/537.36 EdgA/97.0.1072.78
Targets
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Target
https://koroas.com.tr/wp-upload/file_release2.rar
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Detect Vidar Stealer
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Detect ZGRat V1
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Detected Djvu ransomware
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Glupteba payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Contacts a large (789) amount of remote hosts
This may indicate a network scan to discover remotely running services.
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Creates new service(s)
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Downloads MZ/PE file
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Modifies Windows Firewall
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Stops running service(s)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Scheduled Task/Job
1Defense Evasion
Impair Defenses
2Disable or Modify System Firewall
1Modify Registry
1Virtualization/Sandbox Evasion
2