General
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Target
b041bb8145f8237186aeee76a6bc8fc0N.exe
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Size
115KB
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Sample
240812-3jkfts1gpg
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MD5
b041bb8145f8237186aeee76a6bc8fc0
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SHA1
b1e230ade2a9f0fc4be95a544b42e6a6e16c5814
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SHA256
42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c
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SHA512
16009c2fd22508b46caedd7a98282304c1fed084556e8fd18869b48edf38f589546d5d5a5a7faeaba57a31111730b7d3ea9d7651aabfbc547e18e7f830fcc8d4
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMCh:P5eznsjsguGDFqGZ2rCh
Static task
static1
Behavioral task
behavioral1
Sample
b041bb8145f8237186aeee76a6bc8fc0N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
b041bb8145f8237186aeee76a6bc8fc0N.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
b041bb8145f8237186aeee76a6bc8fc0N.exe
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Size
115KB
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MD5
b041bb8145f8237186aeee76a6bc8fc0
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SHA1
b1e230ade2a9f0fc4be95a544b42e6a6e16c5814
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SHA256
42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c
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SHA512
16009c2fd22508b46caedd7a98282304c1fed084556e8fd18869b48edf38f589546d5d5a5a7faeaba57a31111730b7d3ea9d7651aabfbc547e18e7f830fcc8d4
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMCh:P5eznsjsguGDFqGZ2rCh
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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