Analysis
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max time kernel
150s -
max time network
113s -
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 23:59
Behavioral task
behavioral1
Sample
8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe
Resource
win10v2004-20241007-en
General
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Target
8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe
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Size
80KB
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MD5
b57654f0f6dfaf60a71f052e5ac1680e
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SHA1
a76e00a564ff25583675f9edddef3700444c5a1b
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SHA256
8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90
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SHA512
1537cb65dacd57822eef2e88650e05bd32e0ff0b6fa65ad03aa82dc52660604227bec809673887dc16e6700ea83c72cb7d84bce75ab1157d2fecb020e310ac59
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SSDEEP
1536:dPvK/3zvzVQtCsscKvWZjzJxuOmb54vHTL6lm:diqCspBzVmb5uHv6lm
Malware Config
Signatures
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BlackNET payload 1 IoCs
Processes:
resource yara_rule behavioral2/files/0x000a000000023c77-21.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/0x000a000000023c77-21.dat disable_win_def -
Processes:
8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe -
Executes dropped EXE 1 IoCs
Processes:
WindowsUpdate.exepid Process 1700 WindowsUpdate.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cde2f914e4cce7f13b2c1cec7b6da970 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft\\MyClient\\WindowsUpdate.exe" 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.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:
8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exepowershell.exeWindowsUpdate.exepowershell.exepid Process 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 5040 powershell.exe 5040 powershell.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 1700 WindowsUpdate.exe 620 powershell.exe 620 powershell.exe 1700 WindowsUpdate.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exepowershell.exeWindowsUpdate.exepowershell.exedescription pid Process Token: SeDebugPrivilege 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe Token: SeDebugPrivilege 5040 powershell.exe Token: SeDebugPrivilege 1700 WindowsUpdate.exe Token: SeDebugPrivilege 620 powershell.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exeWindowsUpdate.exedescription pid Process procid_target PID 4916 wrote to memory of 5040 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 90 PID 4916 wrote to memory of 5040 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 90 PID 4916 wrote to memory of 1700 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 92 PID 4916 wrote to memory of 1700 4916 8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe 92 PID 1700 wrote to memory of 620 1700 WindowsUpdate.exe 98 PID 1700 wrote to memory of 620 1700 WindowsUpdate.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.exe"C:\Users\Admin\AppData\Local\Temp\8136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90.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:4916 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5040
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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:1700 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:620
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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
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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
MD5b57654f0f6dfaf60a71f052e5ac1680e
SHA1a76e00a564ff25583675f9edddef3700444c5a1b
SHA2568136e137dbfa32f469d09da02b99314cb22bf0f6014c7e071df23cec88c70c90
SHA5121537cb65dacd57822eef2e88650e05bd32e0ff0b6fa65ad03aa82dc52660604227bec809673887dc16e6700ea83c72cb7d84bce75ab1157d2fecb020e310ac59
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82