Analysis
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max time kernel
54s -
max time network
55s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
23-11-2024 17:01
Behavioral task
behavioral1
Sample
Client-built_Sugary.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral2
Sample
Client-built_Sugary.exe
Resource
win11-20241007-en
General
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Target
Client-built_Sugary.exe
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Size
233KB
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MD5
29fb910aca6fd630dfc79683b0ae2a85
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SHA1
bc5cc2c7a290b5f85ed39bb042b8a8cd20946e59
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SHA256
ce864197af77c17580f8dcdc48c20d2ba53c1b9721f07664aebe33b9e7ce4fd3
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SHA512
9120a3815d1ce6c3abefc1472eee241ac9c7df382c80681cc477367e160aad4a51dbedd0e6be5e62638ccd2718c75d6c7af138721b12d5ef453475b3257516ca
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SSDEEP
6144:hv5PDwbBrnIrXxMxl1TSZOiECd7LbkjrR:hv5RrBGlhiECd
Malware Config
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 4 IoCs
Processes:
BackgroundTransferHost.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1537126222-899333903-2037027349-1000_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-1-5-21-1537126222-899333903-2037027349-1000_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-1-5-21-1537126222-899333903-2037027349-1000_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-1-5-21-1537126222-899333903-2037027349-1000_Classes\Local Settings\MuiCache BackgroundTransferHost.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Client-built_Sugary.exedescription pid Process Token: SeDebugPrivilege 1220 Client-built_Sugary.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Client-built_Sugary.exe"C:\Users\Admin\AppData\Local\Temp\Client-built_Sugary.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1220
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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:1200
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C:\Windows\system32\BackgroundTransferHost.exe"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.131⤵
- Modifies registry class
PID:4720
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\27fd14f3-6225-4b7f-ac7e-ae3659ce4ea4.down_data
Filesize555KB
MD55683c0028832cae4ef93ca39c8ac5029
SHA1248755e4e1db552e0b6f8651b04ca6d1b31a86fb
SHA256855abd360d8a8d6974eba92b70cbd09ce519bc8773439993f9ab37cb6847309e
SHA512aba434bd29be191c823b02ea9b639beb10647bbe7759bbffdaa790dfb1ec2c58d74c525ef11aacda209e4effe322d1d3a07b115446c8914b07a3bce4d8a0e2c3