Analysis
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max time kernel
145s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2024 14:31
Behavioral task
behavioral1
Sample
Realtek.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Realtek.exe
Resource
win10v2004-20241007-en
General
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Target
Realtek.exe
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Size
80KB
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MD5
9bcb1a253d07b610da76fd22ad176c9d
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SHA1
e5f8196083beab009db092fe891e88551393b247
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SHA256
3cf37367797ad61761ab44b22ec80c206d31411a604106d061be6935787b8110
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SHA512
1d0729cbff3905f937a59a9e56ed4c65cb805395cc430035b45bb82e1b06d8cfa490466d3661ade18b05e4be74ba642df1b61c03dbf7f22740373687261c5744
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SSDEEP
1536:FZno9xptw8VGHE1uWdas6vKPHvfpK3I5hxS9a/voKxjzxtV3wFrD:F+bZPfpK3g69a/voKhzxtdwFn
Malware Config
Signatures
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Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
resource yara_rule behavioral2/memory/3856-1-0x00000000003A0000-0x00000000003B8000-memory.dmp disable_win_def -
StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 1 IoCs
resource yara_rule behavioral2/memory/3856-1-0x00000000003A0000-0x00000000003B8000-memory.dmp family_stormkitty -
Stormkitty family
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvidiaDValueOn = "C:\\Users\\Admin\\AppData\\Local\\NVIDIA Local Drivers\\DriversUpdateProcess_x64.exe" Realtek.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 checkip.dyndns.org -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3856 Realtek.exe