Analysis
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max time kernel
94s -
max time network
96s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
24-08-2024 19:59
Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win11-20240802-en
Errors
General
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Target
Client-built.exe
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Size
78KB
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MD5
83860ce9cc1369a52dfad93b0659236e
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SHA1
277b1829c218f836276b5e6d844ed820456ddc59
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SHA256
f78df045a1f41bde435087881f57c55e551243a4be268d7ff78235586c1296b0
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SHA512
7b72754d9cda2ed1635ce711769617d91ce19937d0179f39135364a3de35e024c0b4a17be501592be490327dff1f127d088bf7a0090f2f97d9c5dec83189d795
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SSDEEP
1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+sPIC:5Zv5PDwbjNrmAE+AIC
Malware Config
Extracted
discordrat
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discord_token
MTI3Njg3MTgxNTM2MDE1NTcwOQ.GtSM3s.iKkBaqRKjxMJKm4ntalWWpJ9qXsmZ2KwMVLgCs
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server_id
1276870976394498060
Signatures
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Discord RAT
A RAT written in C# using Discord as a C2.
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Modifies data under HKEY_USERS 15 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "244" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4290799360" 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\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292114432" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292114432" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365268" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365268" LogonUI.exe 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 = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00 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\CurrentVersion\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-131918955-2378418313-883382443-1000_Classes\Local Settings\MuiCache MiniSearchHost.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3716 Client-built.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2184 MiniSearchHost.exe 2440 LogonUI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Client-built.exe"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3716
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2184
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3947055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2440
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
Filesize10KB
MD5f8f606a032719f0447a78d9b50fb672f
SHA145d741cb2185064eb8c06a91d79c928fcb657abe
SHA256d5e5bb3e87ef84f4e352d277fbe38a57f65ed50c0f8309dbff43d57af778b3ca
SHA51296169b9bcfce9f671452010340d707e2dd3a60a1ba2847cccbf1fff2dd11d0f74dfdc74cb9c20015bdbe95479f52501f9ee30ac634f547006104fba349472b65
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C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
Filesize10KB
MD527152171537c47796aa7194ac41383bc
SHA1430c380ea885fce765a771cc40cbfe6358b4d04c
SHA25628276ad4adb3f540918a28a722f10a63406037b96a14e05565e31ec90c605c22
SHA512044ded8d45d2249f69ae617768398a33cf060618f1cb583aa9d9a34171de10bf3e23f6e49b3c0b8ca872f5ecbe98e841168fb3e94fdef2efbb299a3cbc01f616