Analysis
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max time kernel
266s -
max time network
268s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-es -
resource tags
arch:x64arch:x86image:win10v2004-20241007-eslocale:es-esos:windows10-2004-x64systemwindows -
submitted
15-12-2024 19:25
Behavioral task
behavioral1
Sample
freenitro.exe
Resource
win10v2004-20241007-es
Errors
General
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Target
freenitro.exe
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Size
78KB
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MD5
b58f8ad5ecec74a0a9c6e1366927ff20
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SHA1
9d0a89cf9c29a34190ddc969cf83aa68f8a0b375
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SHA256
a9a9c93050215054b78f235c5f8169bc7f94524ac8f31233d6848e2b291b2ec6
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SHA512
d24fbc4dfa4eb333f2d18689ec711c629c580956653624d66068b161f864cdbdc52d4952b017238a2a42287a15c05455a7627ab6f8252af2b364559306b7ee51
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SSDEEP
1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+MPIC:5Zv5PDwbjNrmAE+gIC
Malware Config
Extracted
discordrat
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discord_token
MTMxNzE1MTMxMDMxMDY3NDQ1Mw.Gq-B5x.yAU663nmqjWG6nu7dT187nxcCqhsp-ardUfoX8
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server_id
1317163923350487151
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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Downloads MZ/PE file
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 11 IoCs
flow ioc 60 discord.com 62 raw.githubusercontent.com 64 discord.com 61 raw.githubusercontent.com 63 discord.com 10 discord.com 11 discord.com 19 discord.com 56 discord.com 57 discord.com 59 discord.com -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1796 SCHTASKS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1644 freenitro.exe Token: SeShutdownPrivilege 1644 freenitro.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1644 wrote to memory of 1796 1644 freenitro.exe 104 PID 1644 wrote to memory of 1796 1644 freenitro.exe 104 -
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\freenitro.exe"C:\Users\Admin\AppData\Local\Temp\freenitro.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Windows\SYSTEM32\SCHTASKS.exe"SCHTASKS.exe" /create /tn "$77freenitro.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\freenitro.exe'" /sc onlogon /rl HIGHEST2⤵
- Scheduled Task/Job: Scheduled Task
PID:1796
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