Analysis
- max time kernel
98s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
04/04/2023, 15:22
General
- Target Confirmación de recibo de transferencia.exe
- Size 540KB
- Sample230404-srwtqaaa7x
- SHA256 9de26fd849696f46e6642548bb36fdc56cca315b717f95d7821e6520c2ea1b25
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
smtp.cerranor.com
-
Port
587
-
Username
-
Password
RxrpS#f2
-
Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 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 2 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Confirmación de recibo de transferencia.exe"C:\Users\Admin\AppData\Local\Temp\Confirmación de recibo de transferencia.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Confirmación de recibo de transferencia.exe"C:\Users\Admin\AppData\Local\Temp\Confirmación de recibo de transferencia.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
Confirmación de recibo de transferencia.exe.log
memory/2044-133-0x0000000000170000-0x00000000001FE000-memory.dmp
memory/2044-134-0x0000000005080000-0x0000000005624000-memory.dmp
memory/2044-135-0x0000000004AD0000-0x0000000004B62000-memory.dmp
memory/2044-136-0x0000000004AB0000-0x0000000004ABA000-memory.dmp
memory/2044-137-0x0000000004AA0000-0x0000000004AB0000-memory.dmp
memory/2044-138-0x0000000004AA0000-0x0000000004AB0000-memory.dmp
memory/2044-139-0x0000000006790000-0x000000000682C000-memory.dmp
memory/2748-140-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2748-143-0x0000000004FB0000-0x0000000004FC0000-memory.dmp
memory/2748-144-0x00000000061F0000-0x00000000063B2000-memory.dmp
memory/2748-145-0x0000000004FB0000-0x0000000004FC0000-memory.dmp