Analysis
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max time kernel
42s -
max time network
48s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 18:26
Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
8 signatures
150 seconds
Errors
Reason
Machine shutdown
General
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Target
Client-built.exe
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Size
78KB
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MD5
513fd46951e84bb03ce06b2cb9b36c87
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SHA1
0178e00984bd01f6c4139fcafdd66239068c8aab
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SHA256
1c35c705b1631b42ec9031cef8e480dcde919b5edd053f44c679ed60ef1e9861
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SHA512
a7b2610fdef025d0e8dec106353442a47e6713c92466f6269834966133a255c4165cf4c105d3a3e3064ef7db7fbb9cc3e567d6f382c2e39e6b3934479e0694a6
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SSDEEP
1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+GPIC:5Zv5PDwbjNrmAE+iIC
Score
10/10
Malware Config
Extracted
Family
discordrat
Attributes
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discord_token
MTI0MDM2OTMwNTAxOTg3OTYxNQ.GWVbBm.czywoPvQW4vkvutIFNvm-Jgf0tjXRH09lViLf0
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server_id
1240368331786027058
Signatures
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Discord RAT
A RAT written in C# using Discord as a C2.
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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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation Client-built.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 7 IoCs
flow ioc 12 discord.com 27 discord.com 28 discord.com 29 discord.com 46 discord.com 6 discord.com 7 discord.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies data under HKEY_USERS 15 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "217" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" LogonUI.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1640 Client-built.exe Token: SeShutdownPrivilege 2776 shutdown.exe Token: SeRemoteShutdownPrivilege 2776 shutdown.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2892 LogonUI.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1640 wrote to memory of 2776 1640 Client-built.exe 91 PID 1640 wrote to memory of 2776 1640 Client-built.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\Client-built.exe"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Windows\System32\shutdown.exe"C:\Windows\System32\shutdown.exe" /r /t 02⤵
- Suspicious use of AdjustPrivilegeToken
PID:2776
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3952855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2892