Analysis
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max time kernel
120s -
max time network
114s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-10-2024 02:53
Behavioral task
behavioral1
Sample
4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe
Resource
win10v2004-20241007-en
General
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Target
4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe
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Size
80KB
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MD5
d4a8afd3a1d7e5586a9b0c5100767800
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SHA1
d89abc35e73190edfdc60e5d581e370dea078556
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SHA256
4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335
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SHA512
d7b1905f28279a53f1c8fce9f983fba2d2e65fdb47e14bb97d4805ea0c3f6bed4f460a4fb57ff2c18d4d35abf31d16e9ae80c30d1ad92241aa097dc67d78d6f6
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SSDEEP
1536:dPvK/3zvzVQtCsscKvWIjzJxuOmb54vHTL6lm:diqCsp2zVmb5uHv6lm
Malware Config
Signatures
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BlackNET payload 1 IoCs
resource yara_rule behavioral2/files/0x000c000000023af9-20.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.
resource yara_rule behavioral2/files/0x000c000000023af9-20.dat disable_win_def -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe -
Executes dropped EXE 1 IoCs
pid Process 1092 WindowsUpdate.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cde2f914e4cce7f13b2c1cec7b6da970 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft\\MyClient\\WindowsUpdate.exe" 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.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
pid Process 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 4188 powershell.exe 4188 powershell.exe 1092 WindowsUpdate.exe 1092 WindowsUpdate.exe 1092 WindowsUpdate.exe 1092 WindowsUpdate.exe 1092 WindowsUpdate.exe 1092 WindowsUpdate.exe 1092 WindowsUpdate.exe 1092 WindowsUpdate.exe 1092 WindowsUpdate.exe 1092 WindowsUpdate.exe 1092 WindowsUpdate.exe 1092 WindowsUpdate.exe 1092 WindowsUpdate.exe 1092 WindowsUpdate.exe 1092 WindowsUpdate.exe 1092 WindowsUpdate.exe 1092 WindowsUpdate.exe 1092 WindowsUpdate.exe 1092 WindowsUpdate.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe Token: SeDebugPrivilege 4188 powershell.exe Token: SeDebugPrivilege 1092 WindowsUpdate.exe Token: SeDebugPrivilege 3608 powershell.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 220 wrote to memory of 4188 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 90 PID 220 wrote to memory of 4188 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 90 PID 220 wrote to memory of 1092 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 92 PID 220 wrote to memory of 1092 220 4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe 92 PID 1092 wrote to memory of 3608 1092 WindowsUpdate.exe 96 PID 1092 wrote to memory of 3608 1092 WindowsUpdate.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.exe"C:\Users\Admin\AppData\Local\Temp\4cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335N.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:220 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4188
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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:1092 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose3⤵
- Suspicious use of AdjustPrivilegeToken
PID:3608
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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
MD5d4a8afd3a1d7e5586a9b0c5100767800
SHA1d89abc35e73190edfdc60e5d581e370dea078556
SHA2564cfd26197f714246d5fe4d2f416babf1d2e72002f40e5eb885247965fca5c335
SHA512d7b1905f28279a53f1c8fce9f983fba2d2e65fdb47e14bb97d4805ea0c3f6bed4f460a4fb57ff2c18d4d35abf31d16e9ae80c30d1ad92241aa097dc67d78d6f6
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82