Analysis
- max time kernel
90s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
23/01/2023, 18:25
General
- Target Swift Bildirimi1 pdf.exe
- Size 8KB
- Sample230123-w2ly2see87
- SHA256 3bd9d845ccb7ba1643cac5f3a2c9330638aef2d4d3de6ec4f658c356cf66131f
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5915009578:AAFvw4cFRhaW4cwctWwpZIu1fPMCP9cLGj0/sendMessage?chat_id=1467583453
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
- Adds Run key to start application 2 TTPs 1 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.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Swift Bildirimi1 pdf.exe"C:\Users\Admin\AppData\Local\Temp\Swift Bildirimi1 pdf.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMwA1AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\Swift Bildirimi1 pdf.exe"C:\Users\Admin\AppData\Local\Temp\Swift Bildirimi1 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
Swift Bildirimi1 pdf.exe.log
memory/1948-133-0x0000000004EF0000-0x0000000005494000-memory.dmp
memory/1948-134-0x00000000049E0000-0x0000000004A72000-memory.dmp
memory/1948-135-0x00000000049D0000-0x00000000049DA000-memory.dmp
memory/1948-136-0x0000000006530000-0x0000000006552000-memory.dmp
memory/1948-132-0x0000000000020000-0x0000000000028000-memory.dmp
memory/3848-149-0x0000000006B60000-0x0000000006D22000-memory.dmp
memory/3848-148-0x0000000005850000-0x00000000058EC000-memory.dmp
memory/3848-146-0x0000000000400000-0x0000000000426000-memory.dmp
memory/5112-140-0x0000000005CF0000-0x0000000005D56000-memory.dmp
memory/5112-143-0x0000000007C40000-0x00000000082BA000-memory.dmp
memory/5112-144-0x00000000068F0000-0x000000000690A000-memory.dmp
memory/5112-142-0x00000000063F0000-0x000000000640E000-memory.dmp
memory/5112-141-0x0000000005D60000-0x0000000005DC6000-memory.dmp
memory/5112-139-0x00000000055F0000-0x0000000005C18000-memory.dmp
memory/5112-138-0x0000000004E40000-0x0000000004E76000-memory.dmp