Analysis
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max time kernel
40s -
max time network
43s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
25-05-2022 23:57
General
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Target
53b85d35bd75f81e319b73b23e5365fa.exe
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Size
274KB
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MD5
53b85d35bd75f81e319b73b23e5365fa
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SHA1
57eed9245a9e3038f9d52a0a92e8f8e34ec300d5
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SHA256
bf80ff95259a0b37ed82b6f8ef0a4e5e46f43826c658a3ca293940501acfeade
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SHA512
378b91a141a41a4d73c105a891cd6dd6a736183834211b55e3639ba1de6862d9052037febd921edb79c7b53d929f5f86e2fc310b2b9bdf9625c34883a25a827b
Malware Config
Extracted
44caliber
https://discord.com/api/webhooks/978681971377066014/lhkhBc9L6y2LvaYX351vJVqWRCp9XPtoQXNCIE1xVhHhPnPH6Ahl95rLoKmIiPwfNQRi
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\53b85d35bd75f81e319b73b23e5365fa.exe"C:\Users\Admin\AppData\Local\Temp\53b85d35bd75f81e319b73b23e5365fa.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