Analysis
- max time kernel
92s - max time network
132s - platform
windows7_x64 - resource
win7-20220414-en - submitted
14/07/2022, 16:20
General
- Target ed73f2c29230e5e92cf7e65278c57faa.exe
- Size 671KB
- Sample220714-ts3jbscdc3
- SHA256 d38aff0f99e34f5eccdb505a8c2d6d65cfdbc7ae8b7c5fcd0845f55c83b9bb11
Malware Config
Extracted
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snakekeylogger
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Protocol
smtp
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Host
mail.p17.co.th
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Port
2526
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Username
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Password
Wi2017
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Email to
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https://api.telegram.org/bot5569795110:AAG0MXEQ7rPZZV0Y8Aje84VI3Bd7kS1gJ88/sendMessage?chat_id=5523238206
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 6 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\ed73f2c29230e5e92cf7e65278c57faa.exe"C:\Users\Admin\AppData\Local\Temp\ed73f2c29230e5e92cf7e65278c57faa.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XLabYFYguNC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD200.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\ed73f2c29230e5e92cf7e65278c57faa.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmpD200.tmp
memory/1748-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1748-72-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1748-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1748-67-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1748-61-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1748-62-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1748-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1936-56-0x0000000000290000-0x000000000029A000-memory.dmp
memory/1936-57-0x00000000053B0000-0x0000000005462000-memory.dmp
memory/1936-54-0x0000000000FB0000-0x000000000105E000-memory.dmp
memory/1936-58-0x0000000000670000-0x00000000006D4000-memory.dmp
memory/1936-55-0x00000000757C1000-0x00000000757C3000-memory.dmp