General
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://files.sberdisk.ru/s/Y2ZkqyXdbwbLsNC
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
https://files.sberdisk.ru/s/Y2ZkqyXdbwbLsNC
Resource
win10-20231023-en
Malware Config
Extracted
smokeloader
up3
Targets
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Target
https://files.sberdisk.ru/s/Y2ZkqyXdbwbLsNC
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Detect ZGRat V1
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SectopRAT payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Windows Firewall
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Stops running service(s)
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.NET Reactor proctector
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
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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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Executes dropped EXE
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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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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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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
2Windows Service
2Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
4Disable or Modify Tools
3Modify Registry
6Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1