Analysis
- max time kernel
147s - max time network
144s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
09/02/2023, 04:30
General
- Target SecuriteInfo.com.Win32.PWSX-gen.19337.4618.exe
- Size 641KB
- Sample230209-e4tm8scb86
- SHA256 d9f2f1798f8a08c52775d4e5a49762d96f8a5ddc4e58df0ce4dd9ef13df936b5
Malware Config
Extracted
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snakekeylogger
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Protocol
smtp
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Host
mail.wilcon.com.ph
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Port
587
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Username
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Password
password@cashier
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Email to
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https://api.telegram.org/bot5839027687:AAGrC4UWgd0JQxMHOf1dCehA-oSrYF_Bez8/sendMessage?chat_id=1094077450
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 3 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\SecuriteInfo.com.Win32.PWSX-gen.19337.4618.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.19337.4618.exe"1⤵
- Suspicious use of SetThreadContext
- 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\Roaming\KecZesi.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\KecZesi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9DE6.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.19337.4618.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.19337.4618.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
Loading Replay Monitor...
Downloads
tmp9DE6.tmp
memory/624-78-0x000000006DE50000-0x000000006E3FB000-memory.dmp
memory/624-63-0x000000006DE50000-0x000000006E3FB000-memory.dmp
memory/1696-58-0x0000000005B30000-0x0000000005BB2000-memory.dmp
memory/1696-54-0x00000000000D0000-0x0000000000176000-memory.dmp
memory/1696-57-0x0000000000600000-0x000000000060C000-memory.dmp
memory/1696-56-0x0000000000580000-0x0000000000594000-memory.dmp
memory/1696-64-0x0000000004E60000-0x0000000004E88000-memory.dmp
memory/1696-55-0x0000000075201000-0x0000000075203000-memory.dmp
memory/1964-68-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1964-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1964-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1964-71-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1964-74-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1964-76-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1964-65-0x0000000000400000-0x0000000000426000-memory.dmp