Analysis
- max time kernel
186s - max time network
190s - platform
windows10-2004_x64 - resource
win10v2004-20220812-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 1 IoCs
- 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.
- 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 20 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⤵
- Checks computer location settings
- 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\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\tmpEB1.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⤵
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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⤵
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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
tmpEB1.tmp
memory/1356-133-0x0000000005640000-0x0000000005BE4000-memory.dmp
memory/1356-134-0x0000000005130000-0x00000000051C2000-memory.dmp
memory/1356-135-0x0000000005110000-0x000000000511A000-memory.dmp
memory/1356-136-0x0000000008EC0000-0x0000000008F5C000-memory.dmp
memory/1356-132-0x00000000006D0000-0x0000000000776000-memory.dmp
memory/1580-146-0x0000000005A70000-0x0000000005AD6000-memory.dmp
memory/1580-152-0x0000000070A60000-0x0000000070AAC000-memory.dmp
memory/1580-141-0x00000000053D0000-0x00000000059F8000-memory.dmp
memory/1580-160-0x0000000007720000-0x0000000007728000-memory.dmp
memory/1580-144-0x0000000005250000-0x0000000005272000-memory.dmp
memory/1580-159-0x00000000077F0000-0x000000000780A000-memory.dmp
memory/1580-139-0x00000000027E0000-0x0000000002816000-memory.dmp
memory/1580-148-0x0000000005AE0000-0x0000000005B46000-memory.dmp
memory/1580-156-0x0000000006570000-0x000000000657A000-memory.dmp
memory/1580-149-0x0000000006100000-0x000000000611E000-memory.dmp
memory/1580-158-0x0000000007650000-0x000000000765E000-memory.dmp
memory/1580-151-0x0000000007110000-0x0000000007142000-memory.dmp
memory/1580-157-0x0000000007730000-0x00000000077C6000-memory.dmp
memory/1580-153-0x00000000070F0000-0x000000000710E000-memory.dmp
memory/1580-154-0x0000000007AE0000-0x000000000815A000-memory.dmp
memory/1580-155-0x00000000074A0000-0x00000000074BA000-memory.dmp
memory/3180-147-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3180-150-0x00000000068C0000-0x0000000006A82000-memory.dmp