Analysis
- max time kernel
68s - max time network
129s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
- submitted
27/02/2023, 09:24
General
- Target ljC5Y1fa6ilPfDC.exe
- Size 1.0MB
- Sample230227-lc29macf6y
- SHA256 534c9a9fa4838e6f01ba0efc8bb323c0d5d09095d7c0f95a0c70bb69473250eb
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot6153811580:AAFDLNZoT-HelPNUs1JOyE22nWD-iLH7QKY/sendMessage?chat_id=5582419717
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 5 IoCs
- 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\ljC5Y1fa6ilPfDC.exe"C:\Users\Admin\AppData\Local\Temp\ljC5Y1fa6ilPfDC.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\lwbuGspQZ.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\lwbuGspQZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD328.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmpD328.tmp
memory/324-72-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/324-75-0x0000000000400000-0x0000000000426000-memory.dmp
memory/324-77-0x0000000000400000-0x0000000000426000-memory.dmp
memory/324-71-0x0000000000400000-0x0000000000426000-memory.dmp
memory/324-73-0x0000000000400000-0x0000000000426000-memory.dmp
memory/324-69-0x0000000000400000-0x0000000000426000-memory.dmp
memory/324-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/324-68-0x0000000000400000-0x0000000000426000-memory.dmp
memory/768-78-0x0000000000550000-0x0000000000590000-memory.dmp
memory/768-79-0x0000000000550000-0x0000000000590000-memory.dmp
memory/1156-56-0x0000000000250000-0x0000000000266000-memory.dmp
memory/1156-67-0x0000000000E90000-0x0000000000EB8000-memory.dmp
memory/1156-55-0x0000000004AE0000-0x0000000004B20000-memory.dmp
memory/1156-54-0x0000000000F00000-0x000000000100A000-memory.dmp
memory/1156-59-0x0000000005C60000-0x0000000005D02000-memory.dmp
memory/1156-58-0x0000000000280000-0x000000000028C000-memory.dmp
memory/1156-57-0x0000000004AE0000-0x0000000004B20000-memory.dmp