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Analysis
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max time kernel
120s -
max time network
109s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
21/10/2024, 13:33
General
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Target
05a76fef7c417236dcbb43e4624dc57876a2aff8b9c8bbe16c87f3810b158a1bN.exe
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Size
80KB
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MD5
bf4edd976fcf5289e7c2531ef3ce69f0
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SHA1
c255da8598c17b23da2ad842808ea5e6f03dacd8
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SHA256
05a76fef7c417236dcbb43e4624dc57876a2aff8b9c8bbe16c87f3810b158a1b
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SHA512
6266415f3088061322077112030397c45544f96938f59ecfe7e26f0c481e15643569b8945a82c7e8a45387cc10c160ad0e9c1e51e27bf0836110723671bd9211
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SSDEEP
1536:dPvK/3zvzVQtCsscKvWUjzJxuOmb54vHTL6lm:diqCspazVmb5uHv6lm
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 2 IoCs
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Contains code to disable Windows Defender 2 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
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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 1 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 64 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\05a76fef7c417236dcbb43e4624dc57876a2aff8b9c8bbe16c87f3810b158a1bN.exe"C:\Users\Admin\AppData\Local\Temp\05a76fef7c417236dcbb43e4624dc57876a2aff8b9c8bbe16c87f3810b158a1bN.exe"1⤵
- Modifies Windows Defender Real-time Protection settings
- 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:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose3⤵
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD577d622bb1a5b250869a3238b9bc1402b
SHA1d47f4003c2554b9dfc4c16f22460b331886b191b
SHA256f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
SHA512d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
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Filesize
80KB
MD5bf4edd976fcf5289e7c2531ef3ce69f0
SHA1c255da8598c17b23da2ad842808ea5e6f03dacd8
SHA25605a76fef7c417236dcbb43e4624dc57876a2aff8b9c8bbe16c87f3810b158a1b
SHA5126266415f3088061322077112030397c45544f96938f59ecfe7e26f0c481e15643569b8945a82c7e8a45387cc10c160ad0e9c1e51e27bf0836110723671bd9211
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
10.8MB
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Filesize
64KB
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Filesize
10.8MB
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Filesize
136KB
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Filesize
8KB
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Filesize
9.6MB
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Filesize
4KB
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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
9.6MB
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Filesize
9.6MB
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Filesize
304KB
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Filesize
32KB
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Filesize
624KB
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Filesize
392KB
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Filesize
664KB
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Filesize
9.6MB
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Filesize
1024KB
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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
9.6MB
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Filesize
64KB
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Filesize
64KB