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Analysis
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max time kernel
108s -
max time network
110s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17/12/2024, 23:40
Behavioral task
behavioral1
Sample
Sink.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Sink.exe
Resource
win10v2004-20241007-en
Errors
General
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Target
Sink.exe
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Size
78KB
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MD5
3bc6909064a3d78ad04244e665b28079
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SHA1
3d0e150b328045dedfe39c3dc9dfe42ae6690c92
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SHA256
37099011f14240da8b4176f683f3d370bca12178354711e4d9596072f586f47a
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SHA512
67bd44a06e6a895279eeaa88db9314720c191796374a6a7f7414136cc66b0c1a247ca9bd80c0f2b5354724a136901b832e80546426841ec8ebbcb746a675b050
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SSDEEP
1536:f2WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+uPI6:fZv5PDwbjNrmAE+KI6
Malware Config
Extracted
discordrat
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discord_token
MTMxMjE5NDY4NjQ2MjcyMjA5MA.G7YUdG.K-mgZOCeTGTWWGUrExlVti2MtFiqivr77NZj98
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server_id
1292942347671441488
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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Abuse Elevation Control Mechanism: Bypass User Account Control 1 TTPs 1 IoCs
UAC Bypass Attempt via SilentCleanup Task.
pid Process 1304 SCHTASKS.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
flow ioc 10 discord.com 17 discord.com 49 discord.com 53 discord.com 54 discord.com 8 discord.com -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4148 Sink.exe Token: SeShutdownPrivilege 4148 Sink.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4148 wrote to memory of 1304 4148 Sink.exe 101 PID 4148 wrote to memory of 1304 4148 Sink.exe 101 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\Sink.exe"C:\Users\Admin\AppData\Local\Temp\Sink.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4148 -
C:\Windows\SYSTEM32\SCHTASKS.exe"SCHTASKS.exe" /run /tn \Microsoft\Windows\DiskCleanup\SilentCleanup /I2⤵
- Abuse Elevation Control Mechanism: Bypass User Account Control
PID:1304
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