Analysis
-
max time kernel
150s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-10-2024 18:37
Behavioral task
behavioral1
Sample
a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe
Resource
win10v2004-20241007-en
General
-
Target
a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe
-
Size
80KB
-
MD5
e95b79a1f19abb4fb5144412ed01e810
-
SHA1
8bb1a184264c8b22929c4b6ec7439b28072c0d5b
-
SHA256
a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351d
-
SHA512
3272f74164c4188c275b5276f3ba1430384e12003a12558609e857ad28a675b70d4553bfdce8b3956a74582e788e040dfbbd899c95c81f6d01afd5ed623faf26
-
SSDEEP
1536:dPvK/3zvzVQtCsscKvWfjzJxuOmb54vHTL6lm:diqCsp7zVmb5uHv6lm
Malware Config
Signatures
-
BlackNET payload 1 IoCs
resource yara_rule behavioral2/files/0x0009000000022719-18.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/0x0009000000022719-18.dat disable_win_def -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe -
Executes dropped EXE 1 IoCs
pid Process 5016 WindowsUpdate.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cde2f914e4cce7f13b2c1cec7b6da970 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft\\MyClient\\WindowsUpdate.exe" a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 1640 powershell.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 1640 powershell.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe 5016 WindowsUpdate.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe Token: SeDebugPrivilege 1640 powershell.exe Token: SeDebugPrivilege 5016 WindowsUpdate.exe Token: SeDebugPrivilege 2608 powershell.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3456 wrote to memory of 1640 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 90 PID 3456 wrote to memory of 1640 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 90 PID 3456 wrote to memory of 5016 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 92 PID 3456 wrote to memory of 5016 3456 a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe 92 PID 5016 wrote to memory of 2608 5016 WindowsUpdate.exe 94 PID 5016 wrote to memory of 2608 5016 WindowsUpdate.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.exe"C:\Users\Admin\AppData\Local\Temp\a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351dN.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:3456 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1640
-
-
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:5016 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2608
-
-
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
-
Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
-
Filesize
944B
MD552afa702b34ab802e2ecd71d9539c829
SHA16a6f18158c82910e158d7e27972486c6e4dc5c93
SHA256992fefff5236c174b6dd74b76a2c5c0d33470bec786ee4b30f5577aea27b8025
SHA5125e42fead63b34fb62e4173e83e11110543583aece41f736c007d8512e8f23b6713140c9233bf99f9b9d1c3302a2f526bd4d33ed1ce1f777c9e0d9dea25e37639
-
Filesize
80KB
MD5e95b79a1f19abb4fb5144412ed01e810
SHA18bb1a184264c8b22929c4b6ec7439b28072c0d5b
SHA256a3e093dd38ff8234d42c0cb256bd37028f3563b42ac05a13fdd38e8b0b6a351d
SHA5123272f74164c4188c275b5276f3ba1430384e12003a12558609e857ad28a675b70d4553bfdce8b3956a74582e788e040dfbbd899c95c81f6d01afd5ed623faf26
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82