Analysis
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max time kernel
150s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-10-2024 03:23
Behavioral task
behavioral1
Sample
e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe
Resource
win10v2004-20241007-en
General
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Target
e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe
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Size
80KB
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MD5
b674fc47bf5919c6bae7a2ee6f930c96
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SHA1
1bf46d6d3262ee63eb844859c96b46bec26d626a
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SHA256
e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a
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SHA512
384f6c5bb3e9cc759c4d2a3eed18cbeca51acb047e6fb46690991fcc0064975f706a7b4bc676cf35c8b3220d613c0ac144fc1727bcf496a0101f2c6fe5ca5c0a
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SSDEEP
1536:dPvK/3zvzVQtCsscKvWCjzJxuOmb54vHTL6lm:diqCspUzVmb5uHv6lm
Malware Config
Signatures
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BlackNET payload 1 IoCs
Processes:
resource yara_rule behavioral2/files/0x0031000000023b81-19.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/0x0031000000023b81-19.dat disable_win_def -
Processes:
e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe -
Executes dropped EXE 1 IoCs
Processes:
WindowsUpdate.exepid Process 3568 WindowsUpdate.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cde2f914e4cce7f13b2c1cec7b6da970 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft\\MyClient\\WindowsUpdate.exe" e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.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:
e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exepowershell.exeWindowsUpdate.exepid Process 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 2028 powershell.exe 2028 powershell.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe 3568 WindowsUpdate.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exepowershell.exeWindowsUpdate.exepowershell.exedescription pid Process Token: SeDebugPrivilege 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe Token: SeDebugPrivilege 2028 powershell.exe Token: SeDebugPrivilege 3568 WindowsUpdate.exe Token: SeDebugPrivilege 3368 powershell.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exeWindowsUpdate.exedescription pid Process procid_target PID 3008 wrote to memory of 2028 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 88 PID 3008 wrote to memory of 2028 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 88 PID 3008 wrote to memory of 3568 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 90 PID 3008 wrote to memory of 3568 3008 e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe 90 PID 3568 wrote to memory of 3368 3568 WindowsUpdate.exe 94 PID 3568 wrote to memory of 3368 3568 WindowsUpdate.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe"C:\Users\Admin\AppData\Local\Temp\e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.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:3008 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2028
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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:3568 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose3⤵
- Suspicious use of AdjustPrivilegeToken
PID:3368
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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
MD552afa702b34ab802e2ecd71d9539c829
SHA16a6f18158c82910e158d7e27972486c6e4dc5c93
SHA256992fefff5236c174b6dd74b76a2c5c0d33470bec786ee4b30f5577aea27b8025
SHA5125e42fead63b34fb62e4173e83e11110543583aece41f736c007d8512e8f23b6713140c9233bf99f9b9d1c3302a2f526bd4d33ed1ce1f777c9e0d9dea25e37639
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Filesize
80KB
MD5b674fc47bf5919c6bae7a2ee6f930c96
SHA11bf46d6d3262ee63eb844859c96b46bec26d626a
SHA256e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a
SHA512384f6c5bb3e9cc759c4d2a3eed18cbeca51acb047e6fb46690991fcc0064975f706a7b4bc676cf35c8b3220d613c0ac144fc1727bcf496a0101f2c6fe5ca5c0a
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82