General
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Target
extrim.exe
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Size
25KB
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Sample
240907-wpnbcaxalp
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MD5
e57942bcdcbea1e24f8eb91f28d941ed
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SHA1
03a80129434d5721a1883f8cde5b89b94ded4026
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SHA256
ec4cd327cf62d00bd67b54eb786c6e81af270fdc17d31d6861670aefdaa92ea1
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SHA512
e6fa2f08b9d339b5de2483373891dad44e6b7ff832190770acabd005c1987acac2c22891b272a73861e86b2e7b65ca681e42774141023809beac46a6b6f7c422
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SSDEEP
768:5vkgXF2UVmVknCwRRi7iEIk9Pm5huNR2R:ygQUVm4CwRRqD9PwuNR2R
Static task
static1
Behavioral task
behavioral1
Sample
extrim.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
extrim.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
njrat
Njrat 0.7 Golden By Hassan Amiri
??????? ??????? ??????? ?? ????
10.0.0.100:5552
Windows Update
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reg_key
Windows Update
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splitter
|Hassan|
Targets
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Target
extrim.exe
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Size
25KB
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MD5
e57942bcdcbea1e24f8eb91f28d941ed
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SHA1
03a80129434d5721a1883f8cde5b89b94ded4026
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SHA256
ec4cd327cf62d00bd67b54eb786c6e81af270fdc17d31d6861670aefdaa92ea1
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SHA512
e6fa2f08b9d339b5de2483373891dad44e6b7ff832190770acabd005c1987acac2c22891b272a73861e86b2e7b65ca681e42774141023809beac46a6b6f7c422
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SSDEEP
768:5vkgXF2UVmVknCwRRi7iEIk9Pm5huNR2R:ygQUVm4CwRRqD9PwuNR2R
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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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Adds Run key to start application
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1