Analysis
- max time kernel
61s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
17/11/2022, 08:20
General
- Target S-HPO-098765432345678909.exe
- Size 312KB
- Sample221117-j8fdmaaa4s
- SHA256 92bc2e1ae372c340fdc2e37a2224135e6e1f416e544f5a3e1462bb884eb7db21
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.grupoasei.com
-
Port
587
-
Username
-
Password
Infoasei1
-
Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- Drops startup file 2 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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\S-HPO-098765432345678909.exe"C:\Users\Admin\AppData\Local\Temp\S-HPO-098765432345678909.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\S-HPO-098765432345678909.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\S-HPO-098765432345678909.exe"C:\Users\Admin\AppData\Local\Temp\S-HPO-098765432345678909.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/176-146-0x00000000066E0000-0x00000000066EA000-memory.dmp
memory/176-145-0x0000000006750000-0x0000000006912000-memory.dmp
memory/176-143-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1016-132-0x0000000000170000-0x00000000001C4000-memory.dmp
memory/1016-133-0x00000000050F0000-0x0000000005694000-memory.dmp
memory/1016-134-0x0000000004BE0000-0x0000000004C72000-memory.dmp
memory/1016-135-0x0000000004D20000-0x0000000004DBC000-memory.dmp
memory/4820-140-0x0000000005480000-0x00000000054E6000-memory.dmp
memory/4820-139-0x00000000051E0000-0x0000000005202000-memory.dmp
memory/4820-141-0x0000000005C00000-0x0000000005C66000-memory.dmp
memory/4820-138-0x0000000005520000-0x0000000005B48000-memory.dmp
memory/4820-144-0x00000000060F0000-0x000000000610E000-memory.dmp
memory/4820-137-0x0000000002890000-0x00000000028C6000-memory.dmp
memory/4820-147-0x00000000067B0000-0x0000000006846000-memory.dmp
memory/4820-148-0x0000000006660000-0x000000000667A000-memory.dmp
memory/4820-149-0x00000000066C0000-0x00000000066E2000-memory.dmp