Analysis
- max time kernel
154s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
28/11/2022, 04:28
General
- Target SecuriteInfo.com.Win32.PWSX-gen.9218.16650.exe
- Size 661KB
- Sample221128-e3netsaf8x
- SHA256 9c9e05c8a99f909e778ab5f437d3fbd5a7a3b643a71248ed110f41a97079840e
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5402813712:AAG__8vfwqo_1K9XHIpxzTR9T7UW4raysO4/sendMessage?chat_id=5034680713
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
- Looks for VMWare Tools registry key 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9218.16650.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9218.16650.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- 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\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9218.16650.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\uLowZxK.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\uLowZxK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD3C6.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9218.16650.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9218.16650.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
tmpD3C6.tmp
memory/2360-142-0x0000000004D80000-0x0000000004DA2000-memory.dmp
memory/2360-144-0x0000000004E20000-0x0000000004E86000-memory.dmp
memory/2360-153-0x0000000006470000-0x000000000648E000-memory.dmp
memory/2360-152-0x0000000070E10000-0x0000000070E5C000-memory.dmp
memory/2360-148-0x0000000005E20000-0x0000000005E3E000-memory.dmp
memory/2360-139-0x00000000024F0000-0x0000000002526000-memory.dmp
memory/2360-140-0x0000000005020000-0x0000000005648000-memory.dmp
memory/2428-151-0x0000000070E10000-0x0000000070E5C000-memory.dmp
memory/2428-150-0x0000000007910000-0x0000000007942000-memory.dmp
memory/2804-133-0x00000000053A0000-0x0000000005944000-memory.dmp
memory/2804-138-0x0000000008820000-0x0000000008886000-memory.dmp
memory/2804-136-0x0000000000D00000-0x0000000000D9C000-memory.dmp
memory/2804-134-0x0000000004DF0000-0x0000000004E82000-memory.dmp
memory/2804-132-0x0000000000300000-0x00000000003AC000-memory.dmp
memory/2804-135-0x0000000004D30000-0x0000000004D3A000-memory.dmp
memory/3368-149-0x0000000006B80000-0x0000000006D42000-memory.dmp
memory/3368-147-0x0000000000400000-0x0000000000426000-memory.dmp