Analysis
- max time kernel
149s - max time network
156s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
21/01/2022, 10:43
General
- Target PL FT220122L.pdf.exe
- Size 699KB
- Sample220121-mr866afcf9
- SHA256 4f932ea60ac54baa3d8a26705d2ba0013b6728576055457e301ffe96efd082c2
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5055289018:AAFLCTFI2lBk4x-5BsWLWI_UJ1-32AB_2p8/sendMessage?chat_id=1856108848
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 4 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 3 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 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\PL FT220122L.pdf.exe"C:\Users\Admin\AppData\Local\Temp\PL FT220122L.pdf.exe"1⤵
- 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\iRBwRmwViWJzO.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\iRBwRmwViWJzO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE060.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\PL FT220122L.pdf.exe"C:\Users\Admin\AppData\Local\Temp\PL FT220122L.pdf.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
memory/772-74-0x00000000023E0000-0x000000000302A000-memory.dmp
memory/772-73-0x00000000023E0000-0x000000000302A000-memory.dmp
memory/772-72-0x00000000023E0000-0x000000000302A000-memory.dmp
memory/1484-67-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1484-62-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1484-63-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1484-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1484-65-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1484-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1484-71-0x0000000000B50000-0x0000000000C50000-memory.dmp
memory/1896-59-0x0000000005270000-0x00000000052C2000-memory.dmp
memory/1896-58-0x000000007EF40000-0x000000007EF41000-memory.dmp
memory/1896-54-0x0000000000CD0000-0x0000000000D86000-memory.dmp
memory/1896-57-0x00000000008A0000-0x00000000008AC000-memory.dmp
memory/1896-56-0x0000000004F40000-0x0000000004F41000-memory.dmp
memory/1896-55-0x0000000076C61000-0x0000000076C63000-memory.dmp