Analysis
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max time kernel
90s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
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submitted
01-12-2022 16:35
General
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Target
c82fa54ea87c77df522b4f7acd0f864a.exe
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Size
2.4MB
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MD5
c82fa54ea87c77df522b4f7acd0f864a
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SHA1
6e68b52b6155efdd63b02914b672c689ce5c4ceb
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SHA256
12b10654f5c1372ce656c951448a75f72d25c28cda867c7fa1daf4d81760759b
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SHA512
08e1b9ed9cf95800373d6c8f7bfc6c85254043d70ea782ecb91c01d7b1bc2188fbcc2affcbce9f7e356a493aee940969e4561c989508c9f8bba352a0891899f2
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SSDEEP
49152:ExHZLf07ypvu3LkxlMkevAQOhq1UBGofNTVm2hg82wB7EGf6t6+FLekMkN69n:wHFBu4qkevA3hnBrlRDgIB7XfuFLegN
Malware Config
Extracted
lucastealer
https://discord.com/api/webhooks/1039311547425640518/lMmTqbPugNDu_ZDCwjwcSOibAKdac1rSgQqQo7l7aXWncfJ-97uDFaBWLcbvbe0npp3B
Signatures
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Luca Stealer
Info stealer written in Rust first seen in July 2022.
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UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Deletes itself 1 IoCs
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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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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Program crash 1 IoCs
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Suspicious behavior: EnumeratesProcesses 6 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\c82fa54ea87c77df522b4f7acd0f864a.exe"C:\Users\Admin\AppData\Local\Temp\c82fa54ea87c77df522b4f7acd0f864a.exe"1⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 4936 -s 15602⤵
- Program crash
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 476 -p 4936 -ip 49361⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
5.5MB
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Filesize
5.5MB