General
Static task
static1
URLScan task
urlscan1
Malware Config
Extracted
bitrat
1.38
158.58.168.61:1337
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communication_password
2fdbb4b27758a54f27d8f8cbb485787b
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install_dir
system32
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install_file
Windows Update.exe
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tor_process
tor
Targets
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Detect Neshta payload
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Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Contacts a large (10300) amount of remote hosts
This may indicate a network scan to discover remotely running services.
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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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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Drops file in Drivers directory
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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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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Modifies system executable filetype association
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Adds Run key to start application
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1