General
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Target
659d2f69fbb92faf8b7d78fe3029079c.exe
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Size
365KB
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Sample
231207-bth7zaaba3
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MD5
659d2f69fbb92faf8b7d78fe3029079c
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SHA1
32239ab4620fa17e325e1a397b9b0a510642837f
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SHA256
e834a8e546ebb97025f70bf9736f32662e0da8312be7220e36b126eab27b8c8c
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SHA512
ab1a50fe7df4444fb6339ea1d09bdcb14560c4c203c8a8313f44cffdb0b9e35f6771f1cc437569c238577bc61ec8acf22ee15d3d580b45bafc0791fad1752a2e
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SSDEEP
3072:JUCS1tSXdg5oOsapsGWCOZcOXRCPB2sA4+XB5z7Vdb9rK+:pOmdAOCOZcOBqYswPDh
Static task
static1
Behavioral task
behavioral1
Sample
659d2f69fbb92faf8b7d78fe3029079c.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
659d2f69fbb92faf8b7d78fe3029079c.exe
Resource
win10v2004-20231130-en
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.nbzi
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offline_id
csCsb6cUvy0iMa6NgGCGH0hSfXQlGjZVEmFVkgt1
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payload_url
http://brusuax.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
risepro
193.233.132.51
Targets
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Target
659d2f69fbb92faf8b7d78fe3029079c.exe
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Size
365KB
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MD5
659d2f69fbb92faf8b7d78fe3029079c
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SHA1
32239ab4620fa17e325e1a397b9b0a510642837f
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SHA256
e834a8e546ebb97025f70bf9736f32662e0da8312be7220e36b126eab27b8c8c
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SHA512
ab1a50fe7df4444fb6339ea1d09bdcb14560c4c203c8a8313f44cffdb0b9e35f6771f1cc437569c238577bc61ec8acf22ee15d3d580b45bafc0791fad1752a2e
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SSDEEP
3072:JUCS1tSXdg5oOsapsGWCOZcOXRCPB2sA4+XB5z7Vdb9rK+:pOmdAOCOZcOBqYswPDh
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Detect ZGRat V1
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Detected Djvu ransomware
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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Raccoon Stealer V2 payload
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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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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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Deletes itself
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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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Modifies file permissions
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Accesses Microsoft Outlook profiles
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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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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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AutoIT Executable
AutoIT scripts compiled to PE executables.
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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
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
File and Directory Permissions Modification
1Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1