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General
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Target
C0D3X17-NUKER.exe
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Size
37.5MB
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Sample
250205-fpc8dasnaj
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MD5
1723589503194e30504ab703f55b70fd
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SHA1
1a74dcf5d737dd91bdeee28859c5d44506be9b16
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SHA256
60600f983d15d7313292ae4f84daf1a97fc627bc3f70f5b854004fda492cdc7f
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SHA512
7f457e68ab252a22c209c261ad5a97c2b3770fe73fbee1463aeb4d94b8f779344ae99ac019cdc099feda1441256d134674e236744799f9ec7dc065ed1637db93
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SSDEEP
786432:t8zERMQ/lE2eFCvSuaPHY3hep5lbvMycOsujlVT2r9jgD/TeoL:2zERMQt7eYRebNrcOhfmj3u
Static task
static1
Behavioral task
behavioral1
Sample
C0D3X17-NUKER.exe
Resource
win7-20241010-en
Malware Config
Extracted
xworm
5.0
1VeDwfujGeaxOsgJ
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install_file
USB.exe
Extracted
njrat
0.7d
2025 HOST
microsoft-365-updater.duckdns.org:5552
5b4af3576e30808651ae14fbef1ee719
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reg_key
5b4af3576e30808651ae14fbef1ee719
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splitter
|'|'|
Targets
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Target
C0D3X17-NUKER.exe
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Size
37.5MB
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MD5
1723589503194e30504ab703f55b70fd
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SHA1
1a74dcf5d737dd91bdeee28859c5d44506be9b16
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SHA256
60600f983d15d7313292ae4f84daf1a97fc627bc3f70f5b854004fda492cdc7f
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SHA512
7f457e68ab252a22c209c261ad5a97c2b3770fe73fbee1463aeb4d94b8f779344ae99ac019cdc099feda1441256d134674e236744799f9ec7dc065ed1637db93
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SSDEEP
786432:t8zERMQ/lE2eFCvSuaPHY3hep5lbvMycOsujlVT2r9jgD/TeoL:2zERMQt7eYRebNrcOhfmj3u
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Detect Xworm Payload
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Njrat family
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Xworm family
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Modifies Windows Firewall
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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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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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An obfuscated cmd.exe command-line is typically used to evade detection.
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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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Enumerates processes with tasklist
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1