Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30-11-2024 17:51
Behavioral task
behavioral1
Sample
MexoTempSpoofer.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
MexoTempSpoofer.exe
Resource
win10v2004-20241007-en
General
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Target
MexoTempSpoofer.exe
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Size
42KB
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MD5
d7ccf6dae6f63e6828e2dfa59bc0a627
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SHA1
6b89b78f2ad0610e06895660d885f7f5f3420016
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SHA256
37e185d5dcb85f7ef75bd6a8549b7f937a51390dee15595b3dbffaa99c7c61da
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SHA512
13114ae6ed650532450c1b8e1533ee4f1273af51260f8b78432bc391b8358467887306bb5ba008c447cc19fef0e47aa9c3775a8f32670c8c2ea6693eb7849db6
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SSDEEP
768:jmtNY8Y1XPPomMpuZoLuiTjlKZKfgm3EhjJ:mLYlOLuiThF7EVJ
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/1312449321681158316/eG-YAKPZOIPE_-PjejXuWNMq9hRvfRc8hD5UqxKwrNZoOC1ykn4WzXso8qwWLgifPt-w
Signatures
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Mercurial Grabber Stealer
Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.
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Mercurialgrabber family
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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 3 IoCs
flow ioc 18 discord.com 19 discord.com 21 discord.com -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 ip4.seeip.org 16 ip-api.com -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 MexoTempSpoofer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MexoTempSpoofer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4508 MexoTempSpoofer.exe