Analysis
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max time kernel
147s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
02-01-2025 21:16
Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win11-20241007-en
General
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Target
Client-built.exe
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Size
78KB
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MD5
2e1323e7a1dfbd9c21d945000c5e9cc3
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SHA1
03e50ec33bff6f36e874a0cad97acf252efbfa71
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SHA256
07f0a68cf4af26e9355c1349bc5c60ae802630faff552081f2785a250ac6284d
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SHA512
6c8cffc9bb3773ec05670a00e82e90c31a09b6d023a921db5601f4234ed63eead5d0d740ff79b35bc55aa361ccb59a007ada76fb9ffc4e8d95a9bddec631d1f8
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SSDEEP
1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+5PIC:5Zv5PDwbjNrmAE+JIC
Malware Config
Extracted
discordrat
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discord_token
MTMwOTg3MTc5NzI4MTM2MTk3Mg.GxkrTq.HMcXJCw7BR5Qd51PElome6meuLewR1-0fLEqpY
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server_id
1263224566717878413
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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Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix BackgroundTransferHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" BackgroundTransferHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:" BackgroundTransferHost.exe Key created \REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000_Classes\Local Settings\MuiCache BackgroundTransferHost.exe Key created \REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000_Classes\Local Settings\MuiCache MiniSearchHost.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2948 Client-built.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3344 MiniSearchHost.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:2948
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C:\Windows\system32\BackgroundTransferHost.exe"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.131⤵
- Modifies registry class
PID:3040
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:728
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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:3344
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\AC\BackgroundTransferApi\9369d663-2126-4e8c-919a-dac443ffe67b.down_data
Filesize555KB
MD55683c0028832cae4ef93ca39c8ac5029
SHA1248755e4e1db552e0b6f8651b04ca6d1b31a86fb
SHA256855abd360d8a8d6974eba92b70cbd09ce519bc8773439993f9ab37cb6847309e
SHA512aba434bd29be191c823b02ea9b639beb10647bbe7759bbffdaa790dfb1ec2c58d74c525ef11aacda209e4effe322d1d3a07b115446c8914b07a3bce4d8a0e2c3
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C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
Filesize10KB
MD577a8b2c86dd26c214bc11c989789b62d
SHA18b0f2d9d0ded2d7f9bff8aed6aefd6b3fdd1a499
SHA256e288c02cbba393c9703519e660bf8709331f11978c6d994ea2a1346eef462cb8
SHA512c287e3ae580343c43a5354347ca5444f54840fba127a2b1edc897b1dfea286fa37b5808f6e89f535c4022db8b3f29448aa4cc2f41ab0f308eec525a99fac4e5e