Analysis
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max time kernel
119s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
04/01/2024, 19:38
Static task
static1
Behavioral task
behavioral1
Sample
41bc8873fd6d6ac6f6c75939c40fd715.exe
Resource
win7-20231215-en
General
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Target
41bc8873fd6d6ac6f6c75939c40fd715.exe
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Size
93KB
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MD5
41bc8873fd6d6ac6f6c75939c40fd715
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SHA1
4316c0add69c47fdef361da97b0718f633e59988
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SHA256
f870dc5b82e390d514c9d4ee68c5c839eb28da11832cb3bb36012088bb8fc0e7
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SHA512
a0cd900fd9ccb06f3b9b6db23e990e1e9a751a37a43fcba1523af20aa42dbce2b77f7e46fa895ccf3c824fb6b8ce01b3a7353e2b2c613ea62767d59ebb0a990c
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SSDEEP
1536:/RmZ88rwIYn1e5hQA9a9HRE3GBpJ18pJxffwNF0zrCp3F8C3xMWA:/Qe8q1e5iGsxE3GvJ1SoNizep2C3x
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2816 cmd.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2100 wrote to memory of 2816 2100 41bc8873fd6d6ac6f6c75939c40fd715.exe 30 PID 2100 wrote to memory of 2816 2100 41bc8873fd6d6ac6f6c75939c40fd715.exe 30 PID 2100 wrote to memory of 2816 2100 41bc8873fd6d6ac6f6c75939c40fd715.exe 30 PID 2100 wrote to memory of 2816 2100 41bc8873fd6d6ac6f6c75939c40fd715.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\41bc8873fd6d6ac6f6c75939c40fd715.exe"C:\Users\Admin\AppData\Local\Temp\41bc8873fd6d6ac6f6c75939c40fd715.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\ytk.bat" "C:\Users\Admin\AppData\Local\Temp\41bc8873fd6d6ac6f6c75939c40fd715.exe" "2⤵
- Deletes itself
PID:2816
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
71B
MD5e6b031b9b7d40fa332ebc6f38b2f9f64
SHA1d6dbffcfcc6a26188fd8d2e5b6257af4821fb48f
SHA25666a04ff993916bce61351e4c3b94ea079c806efb1723c7cd79bd32aaf6847e0b
SHA5127d17655334fcda4c3326110d340fd91cd23ee284dec99c3a8bbc8408342fda5f51e27aaba75fba4cccd513c342c22f07ad2cf6e2326ba575e3cc0eba4ea91948