Analysis
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max time kernel
121s -
max time network
123s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
01-03-2022 18:13
General
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Target
c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b.exe
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Size
274KB
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MD5
58dda4f172222c41e87d2782a363b2bb
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SHA1
9d5a8d0d9d97b95b7b0cca88ad48017941c7a4fc
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SHA256
c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b
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SHA512
ef9da0e0b2fd1369cc54cf43baa1908e7349888c923edf8cc78cd1ad0fdee59f1c79692eeb9a627306b8b0be7cfde919a285af8bb5439353d209155b22790086
Malware Config
Extracted
44caliber
https://discordapp.com/api/webhooks/942342705353199656/D1rXHNGPNVCZU4vJqkCF4OKJwQJyEuXiVGUHrdu885iCt3s776Mbhg0XMhQoPFRyERjg
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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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
Processes
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C:\Users\Admin\AppData\Local\Temp\c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b.exe"C:\Users\Admin\AppData\Local\Temp\c5399cf4b380afdf4b7182c713757961ccb61c51c1f6f520c98afc6711a12d3b.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
296KB
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Filesize
4KB
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Filesize
8KB