General
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Target
http://amigo-light.mail.ru/
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Sample
220423-rm5qdsghhj
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://amigo-light.mail.ru/
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
http://amigo-light.mail.ru/
Resource
win10-20220414-en
Malware Config
Extracted
vidar
39.9
706
https://prophefliloc.tumblr.com/
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profile_id
706
Extracted
smokeloader
2020
http://aucmoney.com/upload/
http://thegymmum.com/upload/
http://atvcampingtrips.com/upload/
http://kuapakualaman.com/upload/
http://renatazarazua.com/upload/
http://nasufmutlu.com/upload/
Targets
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Target
http://amigo-light.mail.ru/
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Modifies firewall policy service
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Modifies security service
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Modifies system executable filetype association
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Registers COM server for autorun
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suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3
suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3
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Checks for common network interception software
Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
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Enumerates VirtualBox registry keys
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Modifies boot configuration data using bcdedit
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Vidar Stealer
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Blocklisted process makes network request
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Downloads MZ/PE file
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Drops file in Drivers directory
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Executes dropped EXE
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Modifies Windows Firewall
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Sets DLL path for service in the registry
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Sets service image path in registry
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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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Drops startup file
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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 for any installed AV software in registry
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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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Creates a large amount of network flows
This may indicate a network scan to discover remotely running services.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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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 Matrix ATT&CK v6
Persistence
Modify Existing Service
4Change Default File Association
1Registry Run Keys / Startup Folder
4Bootkit
1Scheduled Task
1Defense Evasion
Modify Registry
11Disabling Security Tools
1Virtualization/Sandbox Evasion
2Install Root Certificate
1