General
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Target
winloker builder 2.0.exe
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Size
37KB
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Sample
240621-ns4thasblk
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MD5
91fcb1cea2f6c84da3c9622a070b7c4f
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SHA1
32fc093c2041e540ac41d2d0278a1ffb6a589dbd
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SHA256
c97418800bfc03f8f719b7924aa490cec520d2fd24266186b7b65fd86b3ebd6a
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SHA512
d7f46cdc20a4a01109971fb0135ea0a8d8fa763f2699c11bdbf5629c35818b49eef7615d982f5b1cb7edc240f3d6896e8d9864ab240747fc6c63a4c77f66790d
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SSDEEP
384:AU/KMizdLjnBhFbJ8ycP3hXZIwaihMrAF+rMRTyN/0L+EcoinblneHQM3epzXW3o://gLlLJfcP3hyNiOrM+rMRa8NuY4t
Behavioral task
behavioral1
Sample
winloker builder 2.0.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
winloker builder 2.0.exe
Resource
win7-20240221-en
Malware Config
Extracted
njrat
im523
hack
4.tcp.eu.ngrok.io:16090
8b89dad6c018b3abd5aab0539a99437c
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reg_key
8b89dad6c018b3abd5aab0539a99437c
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splitter
|'|'|
Targets
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Target
winloker builder 2.0.exe
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Size
37KB
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MD5
91fcb1cea2f6c84da3c9622a070b7c4f
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SHA1
32fc093c2041e540ac41d2d0278a1ffb6a589dbd
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SHA256
c97418800bfc03f8f719b7924aa490cec520d2fd24266186b7b65fd86b3ebd6a
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SHA512
d7f46cdc20a4a01109971fb0135ea0a8d8fa763f2699c11bdbf5629c35818b49eef7615d982f5b1cb7edc240f3d6896e8d9864ab240747fc6c63a4c77f66790d
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SSDEEP
384:AU/KMizdLjnBhFbJ8ycP3hXZIwaihMrAF+rMRTyN/0L+EcoinblneHQM3epzXW3o://gLlLJfcP3hyNiOrM+rMRa8NuY4t
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Modifies Windows Firewall
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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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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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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