General
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Target
FpsOptimizer_ByKartavik.exe
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Size
93KB
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Sample
241227-p4vkmsvrdm
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MD5
0db33230bc1e881b68a31799335b53d9
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SHA1
f9f8eb1b71192000916de686b76c253acd8df57d
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SHA256
175698d488c8b8ec03b4647a3e183be501424b2cf353ae1edb1cdc16b7f8cb3f
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SHA512
e66d40aaca03d9302df5cb1cd5ed13b63fde98fd5b063d32c84e222e1eebd3b96cfb107010bf0ea2d04466b190d2f0a248ce018528948531d78c7fb58d176f16
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SSDEEP
768:YY3HepD9O/pBcxYsbae6GIXb9pDX2b9zPL0OXLeuXxrjEtCdnl2pi1Rz4Rk3wFse:neLOx6baIa9RIj00ljEwzGi1dDODpgS
Behavioral task
behavioral1
Sample
FpsOptimizer_ByKartavik.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
FpsOptimizer_ByKartavik.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
njrat
0.7d
HacKed
hakim32.ddns.net:2000
4.tcp.eu.ngrok.io:18952
821a5e40838230be1ba47fe894e1e9d7
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reg_key
821a5e40838230be1ba47fe894e1e9d7
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splitter
|'|'|
Targets
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Target
FpsOptimizer_ByKartavik.exe
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Size
93KB
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MD5
0db33230bc1e881b68a31799335b53d9
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SHA1
f9f8eb1b71192000916de686b76c253acd8df57d
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SHA256
175698d488c8b8ec03b4647a3e183be501424b2cf353ae1edb1cdc16b7f8cb3f
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SHA512
e66d40aaca03d9302df5cb1cd5ed13b63fde98fd5b063d32c84e222e1eebd3b96cfb107010bf0ea2d04466b190d2f0a248ce018528948531d78c7fb58d176f16
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SSDEEP
768:YY3HepD9O/pBcxYsbae6GIXb9pDX2b9zPL0OXLeuXxrjEtCdnl2pi1Rz4Rk3wFse:neLOx6baIa9RIj00ljEwzGi1dDODpgS
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Njrat 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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Legitimate hosting services abused for malware hosting/C2
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Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1