Analysis
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max time kernel
11s -
max time network
111s -
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 02:50
Behavioral task
behavioral1
Sample
abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe
Resource
win10v2004-20241007-en
General
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Target
abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe
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Size
70KB
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MD5
3fce760c2d0b38e2922b19ed2b870edb
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SHA1
d096fe45bced0c5a36d6fd65e3134c5b76f62b5c
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SHA256
abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35
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SHA512
1fa91cf52569f24b3f8382390c3c54719249fe5aaacd432b5bb4e123775dc9d3f43cb399e17f2c83113ecc5554104af6ace2116917187f709859789ffc4370f0
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SSDEEP
1536:gFTnqpKxynVLGeifCSzTPb542HkLbvJfxa:gFT+Geifrvb59H+bvJ5a
Malware Config
Signatures
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BlackNET payload 1 IoCs
resource yara_rule behavioral2/files/0x000d000000023b3a-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/0x000d000000023b3a-18.dat disable_win_def -
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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe -
Executes dropped EXE 1 IoCs
pid Process 3164 WindowsUpdate.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2965b7eabf9eb6ce83de7d2260ab71ba = "C:\\Users\\Admin\\AppData\\Local\\Temp\\abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe" abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2965b7eabf9eb6ce83de7d2260ab71ba = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft\\MyClient\\WindowsUpdate.exe" abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2965b7eabf9eb6ce83de7d2260ab71ba = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft\\MyClient\\WindowsUpdate.exe" WindowsUpdate.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 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe 3164 WindowsUpdate.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe Token: SeDebugPrivilege 3164 WindowsUpdate.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4116 wrote to memory of 3164 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 91 PID 4116 wrote to memory of 3164 4116 abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe"C:\Users\Admin\AppData\Local\Temp\abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4116 -
C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3164
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD53fce760c2d0b38e2922b19ed2b870edb
SHA1d096fe45bced0c5a36d6fd65e3134c5b76f62b5c
SHA256abf8775ca0867143edf0e265ff5023e46993ed1fd12ab5d1213a932d10322f35
SHA5121fa91cf52569f24b3f8382390c3c54719249fe5aaacd432b5bb4e123775dc9d3f43cb399e17f2c83113ecc5554104af6ace2116917187f709859789ffc4370f0