Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-10-2024 20:30
Behavioral task
behavioral1
Sample
41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe
Resource
win10v2004-20241007-en
General
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Target
41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe
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Size
80KB
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MD5
8253c8ad1432c453ccc6b26434436d9c
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SHA1
f73e24cdebbe4a27e314072a11b602911bba0775
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SHA256
41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664
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SHA512
3cacb2ca124d3c7505cf6ffe0706e1cda3a4e7fcfdd18f2c779da353dd3ffb1e4092259c68e90e42035869c31295975e8c397d7e9f6088e4a0b026594a554d21
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SSDEEP
1536:dPvK/3zvzVQtCsscKvWYjzJxuOmb54vHTL6lm:diqCspGzVmb5uHv6lm
Malware Config
Extracted
blacknet
HacKed
https://lovegunny.net/
BN[GnFquUJG-0548378]
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antivm
false
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elevate_uac
true
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install_name
WindowsUpdate.exe
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splitter
|BN|
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start_name
cde2f914e4cce7f13b2c1cec7b6da970
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startup
false
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usb_spread
true
Signatures
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BlackNET payload 1 IoCs
Processes:
resource yara_rule behavioral2/files/0x0008000000023cbc-30.dat family_blacknet -
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.
Processes:
resource yara_rule behavioral2/files/0x0008000000023cbc-30.dat disable_win_def -
Processes:
41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe -
Executes dropped EXE 1 IoCs
Processes:
WindowsUpdate.exepid Process 3480 WindowsUpdate.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cde2f914e4cce7f13b2c1cec7b6da970 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft\\MyClient\\WindowsUpdate.exe" 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exepowershell.exeWindowsUpdate.exepid Process 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 1660 powershell.exe 1660 powershell.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe 3480 WindowsUpdate.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exepowershell.exeWindowsUpdate.exepowershell.exedescription pid Process Token: SeDebugPrivilege 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe Token: SeDebugPrivilege 1660 powershell.exe Token: SeDebugPrivilege 3480 WindowsUpdate.exe Token: SeDebugPrivilege 944 powershell.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exeWindowsUpdate.exedescription pid Process procid_target PID 2316 wrote to memory of 1660 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 90 PID 2316 wrote to memory of 1660 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 90 PID 2316 wrote to memory of 3480 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 92 PID 2316 wrote to memory of 3480 2316 41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe 92 PID 3480 wrote to memory of 944 3480 WindowsUpdate.exe 95 PID 3480 wrote to memory of 944 3480 WindowsUpdate.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.exe"C:\Users\Admin\AppData\Local\Temp\41eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664.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
PID:2316 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1660
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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
PID:3480 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose3⤵
- Suspicious use of AdjustPrivilegeToken
PID:944
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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
MD58253c8ad1432c453ccc6b26434436d9c
SHA1f73e24cdebbe4a27e314072a11b602911bba0775
SHA25641eba88da3b59ad7be8f21bc031c74d9341d5905b55d4de644eca7849a91e664
SHA5123cacb2ca124d3c7505cf6ffe0706e1cda3a4e7fcfdd18f2c779da353dd3ffb1e4092259c68e90e42035869c31295975e8c397d7e9f6088e4a0b026594a554d21
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82