Analysis
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max time kernel
4294178s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20220311-en -
submitted
14-03-2022 18:23
General
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Target
b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da.exe
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Size
3.1MB
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MD5
6578d9be5fb4897f662fb0d03483e180
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SHA1
777d1e20cf2a663645dc2ddaba6c55b3bd6d1061
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SHA256
b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da
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SHA512
853d2d4bfb5314449ad2261fd03babd65660ef005d83736ed3e98ea9f7e7b24a47050bd93c26839a67bf50916890893ef113c4087ebb63e9605f82970e18e681
Malware Config
Extracted
44caliber
https://discord.com/api/webhooks/847554055823032344/s6_moo6eA2oloMQ3eCj7PZLl-oLloTBhcmvx-NIpGmanUeVMkMDi8R_Yywnb-HptWupH
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\b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da.exe"C:\Users\Admin\AppData\Local\Temp\b54c282da9fa8cc50db1db517ecf34f47f56a5053d4c161eb44bcff8463358da.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
9.9MB
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Filesize
8KB