Analysis
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max time kernel
147s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
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submitted
02-01-2025 04:54
General
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Target
Boostrapper.exe
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Size
42KB
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MD5
9971c94257cdafd71d672fccd82c9250
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SHA1
448d3a0ab283023990c817c574aae61416fda823
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SHA256
c9fca0f6efecacb6dd81bb0a65989d770cd467369159c9daf08ff59bdc1e051b
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SHA512
1827b5934655f9457a94bdc6f187190e3953c1b0afb2f644bafcfc9ca4b6625057b7f81569a9f5974da88ec170f7e99eac182715059772752d78c66a252b66fa
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SSDEEP
768:ZPSm4lMmcgmpxuZsLRqTjAKZKfgm3Eh1A:5AWpvLRqT0F7E/A
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/1324237031412600885/jXaIg4ATTpSFG8ZigAQLqZW3xZHhnYwtWWXOJOJ8ax3avDT0yUes6EI7UXDkcRKIQn7r
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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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
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Looks for VMWare Tools registry key 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
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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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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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Checks SCSI registry key(s) 3 TTPs 1 IoCs
SCSI information is often read in order to detect sandboxing environments.
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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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Enumerates system info in registry 2 TTPs 4 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Boostrapper.exe"C:\Users\Admin\AppData\Local\Temp\Boostrapper.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Checks SCSI registry key(s)
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay 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
8KB
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Filesize
10.8MB