Analysis
- max time kernel
77s - max time network
119s - platform
windows7_x64 - resource
win7-20230220-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 7 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 5 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 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⤵
-
-
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
memory/592-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/592-68-0x0000000000400000-0x0000000000426000-memory.dmp
memory/592-72-0x0000000004980000-0x00000000049C0000-memory.dmp
memory/592-71-0x0000000004980000-0x00000000049C0000-memory.dmp
memory/592-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/592-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/592-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/592-61-0x0000000000400000-0x0000000000426000-memory.dmp
memory/592-62-0x0000000000400000-0x0000000000426000-memory.dmp
memory/592-63-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1516-55-0x00000000020F0000-0x0000000002130000-memory.dmp
memory/1516-60-0x0000000000610000-0x000000000063A000-memory.dmp
memory/1516-54-0x0000000000130000-0x00000000001CC000-memory.dmp
memory/1516-59-0x0000000004DF0000-0x0000000004E52000-memory.dmp
memory/1516-58-0x0000000000430000-0x000000000043A000-memory.dmp
memory/1516-57-0x00000000020F0000-0x0000000002130000-memory.dmp
memory/1516-56-0x0000000000410000-0x000000000041E000-memory.dmp