General
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Target
WTLDR.exe
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Size
31KB
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Sample
240623-1yxctsthjh
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MD5
7a94013c17dc892cea16fbae38646e43
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SHA1
8cf54c2ac961dd5c82cb3b07c3de317847aa94bb
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SHA256
cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400
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SHA512
03df47db51270ca87172620e5475ce7a99e1fa1bd61e1956e4a0b28792d145b4e30d5b0d7b0737ea3ed331cecaecde78641b4828b1b9425153b1f9ac3de6f34a
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SSDEEP
768:jrpS7G1XB9Qzxry1vIPvQbxvKnQmIDUu0tinaj:Um6yxIQVk7j
Behavioral task
behavioral1
Sample
WTLDR.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
WTLDR.exe
Resource
win10v2004-20240508-en
Malware Config
Extracted
njrat
0.7d
windowsdefender
88.168.211.65:6522
9300538b8eb52046b545ea0eefc265d2
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reg_key
9300538b8eb52046b545ea0eefc265d2
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splitter
Y262SUCZ4UJJ
Targets
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Target
WTLDR.exe
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Size
31KB
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MD5
7a94013c17dc892cea16fbae38646e43
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SHA1
8cf54c2ac961dd5c82cb3b07c3de317847aa94bb
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SHA256
cd35af0a0c71c382760409b7b2343c83857d89af55a0b365b72962f0f9c9a400
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SHA512
03df47db51270ca87172620e5475ce7a99e1fa1bd61e1956e4a0b28792d145b4e30d5b0d7b0737ea3ed331cecaecde78641b4828b1b9425153b1f9ac3de6f34a
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SSDEEP
768:jrpS7G1XB9Qzxry1vIPvQbxvKnQmIDUu0tinaj:Um6yxIQVk7j
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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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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
1