Analysis
- max time kernel
141s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
09/09/2022, 14:18
General
- Target SHIPPING INVOICE DOCS.exe
- Size 769KB
- Sample220909-rl9myscbdp
- SHA256 4952a1b507d5779ad9e44e2976af3b6f890fb7d9f1bb685bea255300a70cf1bf
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5515611206:AAEcQSX8hXHOAxSYr8KUdLxGF5eqw4FRXoA/sendMessage?chat_id=1504449137
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 3 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\SHIPPING INVOICE DOCS.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE DOCS.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 UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQA1AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE DOCS.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE DOCS.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
SHIPPING INVOICE DOCS.exe.log
memory/216-136-0x0000000005490000-0x0000000005AB8000-memory.dmp
memory/216-141-0x0000000006770000-0x000000000678A000-memory.dmp
memory/216-135-0x0000000002C90000-0x0000000002CC6000-memory.dmp
memory/216-137-0x0000000005AC0000-0x0000000005B26000-memory.dmp
memory/216-138-0x0000000005C20000-0x0000000005C86000-memory.dmp
memory/216-139-0x0000000006280000-0x000000000629E000-memory.dmp
memory/216-140-0x0000000007AC0000-0x000000000813A000-memory.dmp
memory/1084-132-0x00000000008D0000-0x0000000000996000-memory.dmp
memory/1084-133-0x0000000005520000-0x0000000005542000-memory.dmp
memory/1868-143-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1868-145-0x00000000059F0000-0x0000000005F94000-memory.dmp
memory/1868-146-0x0000000005520000-0x00000000055BC000-memory.dmp
memory/1868-147-0x0000000006830000-0x00000000069F2000-memory.dmp
memory/1868-148-0x0000000006A00000-0x0000000006A92000-memory.dmp
memory/1868-149-0x00000000067B0000-0x00000000067BA000-memory.dmp