Analysis
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max time kernel
119s -
max time network
120s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241211-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
19-12-2024 19:45
Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win10ltsc2021-20241211-en
windows10-ltsc 2021-x64
9 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
89249d63f77c4227820ea7e5046ce219
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SHA1
e5daf022b5f5e5bb4dd48498579d1195aa6dbcfd
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SHA256
b0cff6b0f53d6ad0097df127600fa166267aa60c3e99831420797e91138bf4c0
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SHA512
9726b2546d31bbc3e67a1058d114e158ac575502e72d9e05e4538922ad91fe2bf7eff76f2ce819504b082e1bc355ff0082f38f5ee0f020aeb84b433b69c084d9
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SSDEEP
1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+QPIC:5Zv5PDwbjNrmAE+UIC
Score
10/10
Malware Config
Extracted
Family
discordrat
Attributes
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discord_token
MTMxOTM4Njc2ODc2Nzk3OTU5NA.GttuYA.t61aXZnaEwOZf3x6zn0ZhrCH-TR0NBW9udRQRA
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server_id
1270343545160597536
Signatures
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Discord RAT
A RAT written in C# using Discord as a C2.
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Discordrat family
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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-1-5-21-3226857575-536881564-1522996248-1000\Control Panel\International\Geo\Nation Client-built.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 7 IoCs
flow ioc 60 discord.com 13 discord.com 14 discord.com 25 discord.com 29 discord.com 30 discord.com 55 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 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\ColorizationColor = "3288365271" 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 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent 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\EnableWindowColorization = "108" LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 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\Themes\History\AutoColor = "0" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM 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 4600 Client-built.exe Token: SeShutdownPrivilege 3708 shutdown.exe Token: SeRemoteShutdownPrivilege 3708 shutdown.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4600 Client-built.exe 4600 Client-built.exe 2116 LogonUI.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4600 wrote to memory of 3708 4600 Client-built.exe 90 PID 4600 wrote to memory of 3708 4600 Client-built.exe 90
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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Windows\System32\shutdown.exe"C:\Windows\System32\shutdown.exe" /r /t 02⤵
- Suspicious use of AdjustPrivilegeToken
PID:3708
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3a10855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2116