Analysis
- max time kernel
58s - max time network
127s - platform
windows7_x64 - resource
win7-20220901-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
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snakekeylogger
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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 6 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.
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 21 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
- 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\tmpE86C.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
tmpE86C.tmp
d93f411851d7c929.customDestinations-ms
memory/624-84-0x000000006EC80000-0x000000006F22B000-memory.dmp
memory/624-81-0x000000006EC80000-0x000000006F22B000-memory.dmp
memory/680-82-0x000000006EC80000-0x000000006F22B000-memory.dmp
memory/680-83-0x000000006EC80000-0x000000006F22B000-memory.dmp
memory/1368-58-0x0000000000660000-0x000000000066E000-memory.dmp
memory/1368-59-0x0000000005A40000-0x0000000005AA0000-memory.dmp
memory/1368-67-0x0000000004E30000-0x0000000004E56000-memory.dmp
memory/1368-54-0x0000000000F30000-0x0000000000FDC000-memory.dmp
memory/1368-57-0x0000000000470000-0x0000000000486000-memory.dmp
memory/1368-56-0x00000000043E0000-0x0000000004470000-memory.dmp
memory/1368-55-0x0000000074E41000-0x0000000074E43000-memory.dmp
memory/2040-69-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2040-77-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2040-79-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2040-74-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2040-68-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2040-73-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2040-71-0x0000000000400000-0x0000000000426000-memory.dmp