Analysis
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max time kernel
119s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
26-12-2023 10:22
General
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Target
66ee6d3be4bf4eac3f989b15c84290f4.exe
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Size
1.2MB
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MD5
66ee6d3be4bf4eac3f989b15c84290f4
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SHA1
1eb48fc2d5b17d0c7ff4c94cd49912468c0a6a07
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SHA256
2f763b2468d091bc960bd4317cfed1675304662edae5255da5ef4dfc42e62c1b
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SHA512
0d293136306bf437e2dff862b5e8e90a9e0c84d7efdc1d4fd12c2aed288b3ec78a8c127082302282e3789bc21d9efe206184c6ed5d6681ccc2318a6c122ca3d1
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SSDEEP
24576:IZxrK1d73cWL62qMgqiz6aTCM1C6gHQUb6TPHRvlVk7V0:uxeHbcWDNiFTZ1CzkLHRTk7V
Malware Config
Extracted
44caliber
https://discord.com/api/webhooks/865584147081461791/cXeUQZDXCjKWrkaJ-3bJrhl6uSAZJXWp5_eKWccL93qrJuspqXX11np6a1xVpZdvlvsU
Signatures
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44Caliber
An open source infostealer written in C#.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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 2 IoCs
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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 behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\66ee6d3be4bf4eac3f989b15c84290f4.exe"C:\Users\Admin\AppData\Local\Temp\66ee6d3be4bf4eac3f989b15c84290f4.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.7MB
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Filesize
6.9MB
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Filesize
3.7MB
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Filesize
256KB
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Filesize
3.7MB
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Filesize
6.9MB