Analysis
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max time kernel
123s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
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submitted
16-09-2024 18:58
General
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Target
winexp.exe
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Size
41KB
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MD5
21a21bb1d9322ae71436daa198cf8ef4
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SHA1
f1a34749fe45bf4d01f2fabf700a1d134300fc64
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SHA256
9dcbc998b0331876e6e1b75fb7a0194dda96d286594c95164020ed7740a90c51
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SHA512
fd9ea6ddb7b4b13120b174fc382668ea27cc7003f463c17e81dda0c72986070ef770b46b21bcd2757733cfae4760ba8673330e1502c26eb232f16a55b636f087
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SSDEEP
768:AscaIiIqfT6acpDXswEuZseeWTjLMKZKfgm3EhVD:3c1ofnckeeWTsF7ELD
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/1285311347256725576/tyLCCzi8G5LtuHGxSFah1PosAjhMWDRh0iSyBBhaaIKMcb4pzn4VxCQzgH3ih1nyaS4X
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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Reads user/profile data of web browsers 2 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\winexp.exe"C:\Users\Admin\AppData\Local\Temp\winexp.exe"1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
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Filesize
8KB
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Filesize
10.8MB
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Filesize
10.8MB