Analysis
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max time kernel
3s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
26-12-2023 19:52
General
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Target
8a098265737317cd7bf7bbef762b81c1.exe
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Size
2.2MB
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MD5
8a098265737317cd7bf7bbef762b81c1
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SHA1
e1c206f8914af7b22b4cc0af74966723faefd1bd
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SHA256
26ef72d7170fa0aa8ffab8695637d465040d1e51a8ba03a22855d7abfb902fbe
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SHA512
1a66997af3559b58db357e021ccce53a5de87fa47c5fba4c175f930792b0c8b2ec43a67823df7112e9b662935bbc81b0f367912ab5d729ec076d8742df7a9d69
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SSDEEP
24576:kJKWsWCN4jTYnUg5cb4xBNJhzuVy5rlZvUvb9CxxPkkz8V5p80kd2pkP4ij/v7IT:kJ2W/oUr4DNzzXrT4kMVfzhGN7es/K
Malware Config
Extracted
44caliber
https://discord.com/api/webhooks/850985103400108043/qMVlcxRCEtOy4d0lLo-ckGGqIgWka8O5mwrGC7NwW7qRJs5beglorhRUk-uRy4jQ1Cbz
Signatures
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44Caliber
An open source infostealer written in C#.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Checks whether UAC is enabled 1 TTPs 1 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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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\8a098265737317cd7bf7bbef762b81c1.exe"C:\Users\Admin\AppData\Local\Temp\8a098265737317cd7bf7bbef762b81c1.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\Spy IDChanger (2).exe"C:\Users\Admin\AppData\Local\Temp\Spy IDChanger (2).exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Insidious.exe"C:\Users\Admin\AppData\Local\Temp\Insidious.exe"2⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5.1MB
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Filesize
8KB
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Filesize
4KB
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Filesize
4KB
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Filesize
5.1MB
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Filesize
5.1MB
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Filesize
64KB
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Filesize
10.8MB
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Filesize
296KB
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Filesize
1.0MB
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Filesize
10.8MB