General
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Target
nnll.exe
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Size
917KB
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Sample
230918-v2qfssdd74
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MD5
bd5c08142cf5d80157242c950ef85e62
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SHA1
7b4657f833fd25f579bfc49abc42ac16e9bff697
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SHA256
dd595da7ed62a415d319d4903c62312bf52e10603b54c2051b45c6ca955606a3
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SHA512
c48b348cc9e606622a259cf6fa18f975866ab36036b546fe92551a3ae4bd510e2baf64a4cbdf4b7c09fc6f3f7b9fa949847d92766bd9d0261b0517d0b8d9c9db
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SSDEEP
24576:o8m657w6ZBLmkitKqBCjC0PDgM5AH5DT+j:MVV1BCjBEDT
Static task
static1
Behavioral task
behavioral1
Sample
nnll.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
nnll.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
C:\Users\Admin\Downloads\_Readme.txt
https://we.tl/t-O0PCajl3M8
Extracted
C:\Users\Admin\Downloads\_Readme.txt
https://we.tl/t-O0PCajl3M8
Targets
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Target
nnll.exe
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Size
917KB
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MD5
bd5c08142cf5d80157242c950ef85e62
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SHA1
7b4657f833fd25f579bfc49abc42ac16e9bff697
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SHA256
dd595da7ed62a415d319d4903c62312bf52e10603b54c2051b45c6ca955606a3
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SHA512
c48b348cc9e606622a259cf6fa18f975866ab36036b546fe92551a3ae4bd510e2baf64a4cbdf4b7c09fc6f3f7b9fa949847d92766bd9d0261b0517d0b8d9c9db
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SSDEEP
24576:o8m657w6ZBLmkitKqBCjC0PDgM5AH5DT+j:MVV1BCjBEDT
Score10/10-
Disables Task Manager via registry modification
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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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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1