Analysis
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max time kernel
123s -
max time network
124s -
platform
windows11-21h2_x64 -
resource
win11-20250313-en -
resource tags
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submitted
22/03/2025, 21:27
General
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Target
GrimClient.exe
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Size
42KB
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MD5
741192c487a2285c838825a985c52891
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SHA1
4cb0d8720a185d8d3779f563a3f416257cf2cd09
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SHA256
22539771bc6ed75d61f5e470d84402ed2d6806eb471b802aa2c974908c901ae9
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SHA512
97151f1f713070a2a1d44b1b826517463166054679854925c7e5417fd9912f62292b6a637f7ef15c6150d6bbb245028ee1aaf25f910501ff10ca7f9fadb3893e
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SSDEEP
768:Tcn5EYH//4MxuZZLe0TjfKZKfgm3Eho/:qEaDMLe0TjF7EO/
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/1353117499427782738/Vikk5cAO8-VAIoaymO0s8dluDnpm9vpmGxcvh48L2pF2iWhljsHkcUPLVPzSfd6aLCKs
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 4 IoCs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\GrimClient.exe"C:\Users\Admin\AppData\Local\Temp\GrimClient.exe"1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
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Filesize
64KB
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Filesize
10.8MB
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Filesize
8KB
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Filesize
10.8MB