Analysis
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max time kernel
121s -
max time network
127s -
platform
windows10_x64 -
resource
win10-en-20211104 -
submitted
03-12-2021 09:47
General
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Target
20987654345678987456789.exe
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Size
808KB
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MD5
4e87c7097801540f52ce50ae4049ea58
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SHA1
5dd7e8cc8bf7bcf31c5b14266c47903dfc67bb61
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SHA256
467fc148b91e2229b4342835534e082337e14293bf346c1c17333a659abd1f0a
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SHA512
2e2c1b77cc6dc0e6cb57899d3ed01a8a415864b9f34bb878efb9a387ad5c8e454b5f9fb6eb8d20f17bd6ec8bae152dc8f61719b8617f202949a605242cc7bdb6
Malware Config
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger Payload 3 IoCs
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Loads dropped DLL 1 IoCs
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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 local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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 Microsoft Outlook profiles 1 TTPs 3 IoCs
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Drops desktop.ini file(s) 2 IoCs
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Drops file in Windows directory 3 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 10 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\20987654345678987456789.exe"C:\Users\Admin\AppData\Local\Temp\20987654345678987456789.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\20987654345678987456789.exe"C:\Users\Admin\AppData\Local\Temp\20987654345678987456789.exe"2⤵
- Accesses Microsoft Outlook profiles
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
556KB
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Filesize
556KB
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Filesize
4KB
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Filesize
8KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB