Analysis
- max time kernel
73s - max time network
134s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
- submitted
08/02/2023, 19:42
General
- Target fbd93ef7f7c0d319e22b59cc56ca9a2a.exe
- Size 918KB
- Sample230208-yenv8sed2x
- SHA256 40c0aeecd4e2a74e596321dc0ad63cd62ce9e3c0cc1a2d095844e20bef5fec40
Malware Config
Extracted
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snakekeylogger
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Protocol
smtp
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Host
mail.alwethba.com
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Port
587
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Username
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Password
BI21Awe7zW
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Email to
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https://api.telegram.org/bot5814180506:AAFpVfxl9CBszzsUeg8FTylBwiTKUc4g3lA/sendMessage?chat_id=5056270248
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 10 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe"C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fwaYQVFS.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fwaYQVFS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF548.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe"C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe"2⤵
- Accesses Microsoft Outlook profiles
- 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
tmpF548.tmp
d93f411851d7c929.customDestinations-ms
memory/1092-78-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1092-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1092-76-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1092-73-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1092-72-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1092-67-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1092-68-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1180-81-0x000000006D0E0000-0x000000006D68B000-memory.dmp
memory/1180-82-0x000000006D0E0000-0x000000006D68B000-memory.dmp
memory/1364-66-0x0000000004A00000-0x0000000004A28000-memory.dmp
memory/1364-54-0x0000000000CC0000-0x0000000000DAC000-memory.dmp
memory/1364-58-0x0000000005B10000-0x0000000005B92000-memory.dmp
memory/1364-57-0x0000000000530000-0x000000000053C000-memory.dmp
memory/1364-56-0x00000000004A0000-0x00000000004B4000-memory.dmp
memory/1364-55-0x0000000074DE1000-0x0000000074DE3000-memory.dmp
memory/2016-80-0x000000006D0E0000-0x000000006D68B000-memory.dmp
memory/2016-83-0x000000006D0E0000-0x000000006D68B000-memory.dmp