Analysis
- max time kernel
91s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
24/05/2023, 10:06
General
- Target Justificante de la operación.exe
- Size 601KB
- Sample230524-l43dpsce41
- SHA256 f328c0cde7df997ea2fd271bd3096b93f28fb6d93b06e5894209684b9f58873e
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.pinnafidelis.com
-
Port
587
-
Username
-
Password
*jrdFCF7IO.J
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.pinnafidelis.com
-
Port
587
-
Username
-
Password
*jrdFCF7IO.J
-
Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- 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 4 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Justificante de la operación.exe"C:\Users\Admin\AppData\Local\Temp\Justificante de la operación.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Justificante de la operación.exe"C:\Users\Admin\AppData\Local\Temp\Justificante de la operación.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
Justificante de la operación.exe.log
memory/1808-133-0x00000000001C0000-0x000000000025C000-memory.dmp
memory/1808-134-0x0000000005220000-0x00000000057C4000-memory.dmp
memory/1808-135-0x0000000004C70000-0x0000000004D02000-memory.dmp
memory/1808-136-0x0000000004C30000-0x0000000004C3A000-memory.dmp
memory/1808-137-0x0000000004BB0000-0x0000000004BC0000-memory.dmp
memory/1808-138-0x0000000004BB0000-0x0000000004BC0000-memory.dmp
memory/1808-139-0x0000000006840000-0x00000000068DC000-memory.dmp
memory/2700-140-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2700-143-0x0000000005470000-0x0000000005480000-memory.dmp
memory/2700-144-0x0000000006610000-0x00000000067D2000-memory.dmp
memory/2700-145-0x0000000005470000-0x0000000005480000-memory.dmp