General
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Target
b9b7ff811fbcd919e52025e0cc43df00N.exe
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Size
117KB
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Sample
240822-vcbw4szepr
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MD5
b9b7ff811fbcd919e52025e0cc43df00
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SHA1
de140a3f0e2d1ac5e8af631fb483fad115de8b95
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SHA256
14198abd49a3dd1b706266823e80c82ce97503b47ce9ba18999a6b665d03ceb8
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SHA512
a7cbc8242046a040e7113e193a43873178f816663b60cf6199ea1bd393c05dd954eaea7896314587411c57eed5c76ebd1c99282b328f97c2b161d184d67e00ca
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLCGIm4:P5eznsjsguGDFqGZ2rDLIm4
Static task
static1
Behavioral task
behavioral1
Sample
b9b7ff811fbcd919e52025e0cc43df00N.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
b9b7ff811fbcd919e52025e0cc43df00N.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
njrat
0.7d
neuf
doddyfire.linkpc.net:10000
e1a87040f2026369a233f9ae76301b7b
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reg_key
e1a87040f2026369a233f9ae76301b7b
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splitter
|'|'|
Targets
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Target
b9b7ff811fbcd919e52025e0cc43df00N.exe
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Size
117KB
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MD5
b9b7ff811fbcd919e52025e0cc43df00
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SHA1
de140a3f0e2d1ac5e8af631fb483fad115de8b95
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SHA256
14198abd49a3dd1b706266823e80c82ce97503b47ce9ba18999a6b665d03ceb8
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SHA512
a7cbc8242046a040e7113e193a43873178f816663b60cf6199ea1bd393c05dd954eaea7896314587411c57eed5c76ebd1c99282b328f97c2b161d184d67e00ca
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLCGIm4:P5eznsjsguGDFqGZ2rDLIm4
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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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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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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
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
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
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1