Analysis
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max time kernel
4294180s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20220223-en -
submitted
01-03-2022 18:12
General
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Target
92d3f92a57bf71f584fa0be94f75b4daba7e6e94aadb9a85a2d77c64af8201b3.exe
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Size
274KB
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MD5
3c7d9d0478ec7ba56bc562dd56d3021b
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SHA1
9832832c2bd0038549c24d86173f949bcbefa8a3
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SHA256
92d3f92a57bf71f584fa0be94f75b4daba7e6e94aadb9a85a2d77c64af8201b3
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SHA512
5d0ecf41e3788999afbd9a4c994bff5af957c8e02017275c994ed8fb95f2708c262b8ed7b2eabb0b093bc16064df6d1b0e4e964c986351aa6f12db0867388ef0
Malware Config
Extracted
44caliber
https://discord.com/api/webhooks/940935755608498197/XP-3HscY5BUWZ9NjQP1vew4mGjibW0owME_BbFqPRs3r4Q6CVTJnmEubM-1hmIBMkyLI
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\92d3f92a57bf71f584fa0be94f75b4daba7e6e94aadb9a85a2d77c64af8201b3.exe"C:\Users\Admin\AppData\Local\Temp\92d3f92a57bf71f584fa0be94f75b4daba7e6e94aadb9a85a2d77c64af8201b3.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