Analysis
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max time kernel
14s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
22-10-2024 10:45
General
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Target
4ac48637b0c873c5a6747754cf380932a7a63658c562937dcc85d2a8db56bbb6N.exe
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Size
70KB
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MD5
8c3576e6a42711e4deb71285045a7820
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SHA1
fc83e5ce23b2e44feeeeca7a9f5b6a7467dc0372
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SHA256
4ac48637b0c873c5a6747754cf380932a7a63658c562937dcc85d2a8db56bbb6
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SHA512
e764647cf2839bfdbbf73b82f718a4d23933f29ac4288c8f012471a9d4566832d44637d3e693103995b31ed9e017d17493d5b7dfb7216e76ef98a4ab90b62275
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SSDEEP
1536:gFTnqpKxynVqGeifCSzTPb542HkLbvJfxa:gFTDGeifrvb59H+bvJ5a
Malware Config
Signatures
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BlackNET
BlackNET is an open source remote access tool written in VB.NET.
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BlackNET payload 1 IoCs
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Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Adds Run key to start application 2 TTPs 3 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 56 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\4ac48637b0c873c5a6747754cf380932a7a63658c562937dcc85d2a8db56bbb6N.exe"C:\Users\Admin\AppData\Local\Temp\4ac48637b0c873c5a6747754cf380932a7a63658c562937dcc85d2a8db56bbb6N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD58c3576e6a42711e4deb71285045a7820
SHA1fc83e5ce23b2e44feeeeca7a9f5b6a7467dc0372
SHA2564ac48637b0c873c5a6747754cf380932a7a63658c562937dcc85d2a8db56bbb6
SHA512e764647cf2839bfdbbf73b82f718a4d23933f29ac4288c8f012471a9d4566832d44637d3e693103995b31ed9e017d17493d5b7dfb7216e76ef98a4ab90b62275
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
4.8MB
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Filesize
664KB
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Filesize
9.6MB
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Filesize
32KB
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Filesize
304KB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
392KB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
4KB
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Filesize
4KB
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Filesize
624KB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
-
Filesize
9.6MB
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Filesize
9.6MB
-
Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB