Analysis
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max time kernel
141s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
04-05-2022 12:26
General
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Target
72c486f862e71725ec5b05df3f273fee8ccd02b358d6e817d43e8f7f939980f9.exe
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Size
274KB
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MD5
d2fa23ff3612073d344a51d35531337b
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SHA1
868935912e8a7b2c2a7fa9953203aa49ed03403d
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SHA256
72c486f862e71725ec5b05df3f273fee8ccd02b358d6e817d43e8f7f939980f9
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SHA512
637ce0f72f9ed1b9299f2e9b42c6e4fd0f83a7b947e25e82f5ae1b2814cfc11245f348eee9528a9269ef670aff3fcfc6dfe0db3c5b7ccedaad37dcbd7ed6b62d
Malware Config
Extracted
44caliber
https://discord.com/api/webhooks/868165756532179044/9Wht5QRwQI22RKhTqTychIaUX8rzws89p6FHzVstwwhhwpV9IhRLu6rdsBCywp4HVXuZ
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\72c486f862e71725ec5b05df3f273fee8ccd02b358d6e817d43e8f7f939980f9.exe"C:\Users\Admin\AppData\Local\Temp\72c486f862e71725ec5b05df3f273fee8ccd02b358d6e817d43e8f7f939980f9.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
10.8MB